octave: liboctave/util/kpse.cc annotate

annotate liboctave/util/kpse.cc @ 21864:f3487b21e879

* kpse.cc: Remove obsolete and unused code.

author	John W. Eaton <jwe@octave.org>
date	Fri, 10 Jun 2016 17:16:35 -0400
parents	a25110491607
children	0469ae203a1d

rev	line source
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1 // This file is not compiled to a separate object file.
b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	2 // It is included in pathsearch.cc.
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	3
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	4 /* Look up a filename in a path.
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	5
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19410 diff changeset	6 Copyright (C) 2003-2015 John W. Eaton
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	7 Copyright (C) 1993, 94, 95, 96, 97, 98 Karl Berry.
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	8 Copyright (C) 1993, 94, 95, 96, 97 Karl Berry & O. Weber.
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	9 Copyright (C) 1992, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	10
16768 e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	11 This file is part of Octave.
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	12
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	13 Octave is free software; you can redistribute it and/or modify it
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	14 under the terms of the GNU General Public License as published by the
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	15 Free Software Foundation; either version 3 of the License, or (at your
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	16 option) any later version.
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	17
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	18 Octave is distributed in the hope that it will be useful, but WITHOUT
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	19 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	20 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	21 for more details.
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	22
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	23 You should have received a copy of the GNU General Public License
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	24 along with Octave; see the file COPYING. If not, see
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	25 <http://www.gnu.org/licenses/>.
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	26
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	27 */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	28
21690 b6a686543080 Only include config.h in files that are compiled separately. John W. Eaton <jwe@octave.org> parents: 21562 diff changeset	29 // This file should not include config.h. It is only included in other
b6a686543080 Only include config.h in files that are compiled separately. John W. Eaton <jwe@octave.org> parents: 21562 diff changeset	30 // C++ source files that should have included config.h before including
b6a686543080 Only include config.h in files that are compiled separately. John W. Eaton <jwe@octave.org> parents: 21562 diff changeset	31 // this file.
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	32
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	33 #include <map>
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	34 #include <string>
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	35
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	36 /* System defines are for non-Unix systems only. (Testing for all Unix
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	37 variations should be done in configure.) Presently the defines used
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	38 are: DOS OS2 WIN32. I do not use any of these systems
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	39 myself; if you do, I'd be grateful for any changes. --kb@mail.tug.org */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	40
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	41 /* If we have either DOS or OS2, we are DOSISH. */
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14155 diff changeset	42 #if defined (DOS) \|\| defined (OS2) \|\| defined (WIN32) \|\| defined (__MSDOS__)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	43 #define DOSISH
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	44 #endif
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	45
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	46 extern "C" {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14155 diff changeset	47 #if defined (__MINGW32__)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	48 #include <windows.h>
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	49 #include <fcntl.h>
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14155 diff changeset	50 #elif defined (WIN32)
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	51 #if ! defined (_MSC_VER)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	52 #define __STDC__ 1
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	53 #include "win32lib.h"
6106 82fff8a063c2 [project @ 2006-10-26 21:52:14 by jwe] jwe parents: 5765 diff changeset	54 #endif
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	55 #endif /* not WIN32 */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	56 }
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	57
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	58 /* Some drivers have partially integrated kpathsea changes. */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	59 #if ! defined (KPATHSEA)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	60 #define KPATHSEA 32
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	61 #endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	62
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	63 /* System dependencies that are figured out by 'configure'. If we are
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	64 compiling standalone, we get our c-auto.h. Otherwise, the package
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	65 containing us must provide this (unless it can somehow generate ours
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	66 from c-auto.in). We use <...> instead of "..." so that the current
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	67 cpp directory (i.e., kpathsea/) won't be searched. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	68
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	69 /* If you want to find subdirectories in a directory with non-Unix
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	70 semantics (specifically, if a directory with no subdirectories does
5622 8b7046423d1e [project @ 2006-02-15 16:36:32 by jwe] jwe parents: 5618 diff changeset	71 not have exactly two links), define this. */
21864 f3487b21e879 * kpse.cc: Remove obsolete and unused code. John W. Eaton <jwe@octave.org> parents: 21863 diff changeset	72 #if ! defined (DOSISH)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	73 #define ST_NLINK_TRICK
21864 f3487b21e879 * kpse.cc: Remove obsolete and unused code. John W. Eaton <jwe@octave.org> parents: 21863 diff changeset	74 #endif /* not DOSISH */
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	75
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	76 /* Define the characters which separate components of
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	77 filenames and environment variable paths. */
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	78
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	79 /* What separates filename components? */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	80 #if ! defined (DIR_SEP)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	81 #if defined (DOSISH)
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	82 /* Either \'s or 's work. Wayne Sullivan's web2pc prefers /, so we'll
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	83 go with that. */
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	84 #define DIR_SEP '/'
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	85 #define DIR_SEP_STRING "/"
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	86 #define IS_DEVICE_SEP(ch) ((ch) == ':')
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14155 diff changeset	87 #define NAME_BEGINS_WITH_DEVICE(name) ((name.length ()>0) && IS_DEVICE_SEP((name)[1]))
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	88 /* On DOS, it's good to allow both \ and / between directories. */
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	89 #define IS_DIR_SEP(ch) ((ch) == '/' \|\| (ch) == '\\')
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	90 #else
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	91 #define DIR_SEP '/'
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	92 #define DIR_SEP_STRING "/"
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	93 #endif /* not DOSISH */
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	94 #endif /* not DIR_SEP */
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	95
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	96 #if ! defined (IS_DIR_SEP)
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	97 #define IS_DIR_SEP(ch) ((ch) == DIR_SEP)
6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	98 #endif
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	99 #if ! defined (IS_DEVICE_SEP)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	100 /* No 'devices' on, e.g., Unix. */
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	101 #define IS_DEVICE_SEP(ch) 0
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	102 #endif
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	103 #if ! defined (NAME_BEGINS_WITH_DEVICE)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	104 #define NAME_BEGINS_WITH_DEVICE(name) 0
11236 6ccf1130f23c kpse cleanups John W. Eaton <jwe@octave.org> parents: 10411 diff changeset	105 #endif
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	106
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	107 #include "lo-error.h"
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	108 #include "oct-env.h"
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	109 #include "oct-passwd.h"
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	110 #include "str-vec.h"
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	111
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	112 /* Header files that essentially all of our sources need, and
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	113 that all implementations have. We include these first, to help with
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	114 NULL being defined multiple times. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	115 #include <cstdio>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	116 #include <cstdarg>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	117 #include <cstdlib>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	118 #include <cerrno>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	119 #include <cassert>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	120
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	121 #include <sys/types.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	122 #include <unistd.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	123
21863 a25110491607 eliminate obsolete sysdir.h header file John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	124 #include <dirent.h>
a25110491607 eliminate obsolete sysdir.h header file John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	125
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	126 #include "statdefs.h"
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	127
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	128 /* define NAME_MAX, the maximum length of a single
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	129 component in a filename. No such limit may exist, or may vary
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	130 depending on the filesystem. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	131
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	132 /* Most likely the system will truncate filenames if it is not POSIX,
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	133 and so we can use the BSD value here. */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	134 #if ! defined (_POSIX_NAME_MAX)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	135 #define _POSIX_NAME_MAX 255
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	136 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	137
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	138 #if ! defined (NAME_MAX)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	139 #define NAME_MAX _POSIX_NAME_MAX
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	140 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	141
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	142 #include <cctype>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	143
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	144 /* What separates elements in environment variable path lists? */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	145 #if ! defined (ENV_SEP)
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	146 #if defined (SEPCHAR) && defined (SEPCHAR_STR)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	147 #define ENV_SEP SEPCHAR
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	148 #define ENV_SEP_STRING SEPCHAR_STR
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	149 #elif defined (DOSISH)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	150 #define ENV_SEP ';'
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	151 #define ENV_SEP_STRING ";"
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	152 #else
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	153 #define ENV_SEP ':'
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	154 #define ENV_SEP_STRING ":"
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	155 #endif /* not DOS */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	156 #endif /* not ENV_SEP */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	157
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	158 #if ! defined (IS_ENV_SEP)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	159 #define IS_ENV_SEP(ch) ((ch) == ENV_SEP)
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	160 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	161
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	162 /* define PATH_MAX, the maximum length of a filename. Since no such
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	163 limit may exist, it's preferable to dynamically grow filenames as
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	164 needed. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	165
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	166 /* Cheat and define this as a manifest constant no matter what, instead
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	167 of using pathconf. I forget why we want to do this. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	168
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	169 #if ! defined (_POSIX_PATH_MAX)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	170 #define _POSIX_PATH_MAX 255
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	171 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	172
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	173 #if ! defined (PATH_MAX)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	174 #if defined (MAXPATHLEN)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	175 #define PATH_MAX MAXPATHLEN
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	176 #else
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	177 #define PATH_MAX _POSIX_PATH_MAX
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	178 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	179 #endif /* not PATH_MAX */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	180
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	181 /* If NO_DEBUG is defined (not recommended), skip all this. */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	182 #if ! defined (NO_DEBUG)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	183
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	184 /* OK, we'll have tracing support. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	185 #define KPSE_DEBUG
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	186
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	187 /* Test if a bit is on. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	188 #define KPSE_DEBUG_P(bit) (kpathsea_debug & (1 << (bit)))
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	189
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	190 #define KPSE_DEBUG_STAT 0 /* stat calls */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	191 #define KPSE_DEBUG_HASH 1 /* hash lookups */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	192 #define KPSE_DEBUG_FOPEN 2 /* fopen/fclose calls */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	193 #define KPSE_DEBUG_PATHS 3 /* search path initializations */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	194 #define KPSE_DEBUG_EXPAND 4 /* path element expansion */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	195 #define KPSE_DEBUG_SEARCH 5 /* searches */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	196 #define KPSE_DEBUG_VARS 6 /* variable values */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	197 #define KPSE_LAST_DEBUG KPSE_DEBUG_VARS
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	198
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	199 /* A printf for the debugging. */
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	200 #define DEBUGF_START() do { gnulib::fputs ("kdebug:", stderr)
12912 e116dd862879 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	201 #define DEBUGF_END() gnulib::fflush (stderr); } while (0)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	202
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	203 #define DEBUGF(str) \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	204 DEBUGF_START (); gnulib::fputs (str, stderr); DEBUGF_END ()
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	205 #define DEBUGF1(str, e1) \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	206 DEBUGF_START (); gnulib::fprintf (stderr, str, e1); DEBUGF_END ()
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	207 #define DEBUGF2(str, e1, e2) \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	208 DEBUGF_START (); gnulib::fprintf (stderr, str, e1, e2); DEBUGF_END ()
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	209 #define DEBUGF3(str, e1, e2, e3) \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	210 DEBUGF_START (); gnulib::fprintf (stderr, str, e1, e2, e3); DEBUGF_END ()
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	211 #define DEBUGF4(str, e1, e2, e3, e4) \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	212 DEBUGF_START (); gnulib::fprintf (stderr, str, e1, e2, e3, e4); DEBUGF_END ()
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	213
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	214 #endif /* not NO_DEBUG */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	215
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	216 #if defined (KPSE_DEBUG)
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	217 static unsigned int kpathsea_debug = 0;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	218 #endif
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	219
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20443 diff changeset	220 #if defined (WIN32) && ! defined (__MINGW32__)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	221
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	222 /* System description file for Windows NT. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	223
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	224 /*
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	225 * Define symbols to identify the version of Unix this is.
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	226 * Define all the symbols that apply correctly.
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	227 */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	228
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	229 #if ! defined (DOSISH)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	230 #define DOSISH
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	231 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	232
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	233 #if ! defined (MAXPATHLEN)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	234 #define MAXPATHLEN _MAX_PATH
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	235 #endif
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	236
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	237 /* These have to be defined because our compilers treat __STDC__ as being
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	238 defined (most of them anyway). */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	239
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	240 #define access _access
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	241 #define stat _stat
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	242 #define strdup _strdup
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	243
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	244 #define S_IFMT _S_IFMT
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	245 #define S_IFDIR _S_IFDIR
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	246
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	247 /* Define this so that winsock.h definitions don't get included when
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	248 windows.h is... For this to have proper effect, config.h must
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	249 always be included before windows.h. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	250 #define _WINSOCKAPI_ 1
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	251
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	252 #include <windows.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	253
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	254 /* For proper declaration of environ. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	255 #include <io.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	256 #include <fcntl.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	257 #include <process.h>
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	258
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	259 /* ============================================================ */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	260
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	261 #endif /* WIN32 */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	262
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	263 /* Define common sorts of messages. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	264
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	265 /* This should be called only after a system call fails. Don't exit
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	266 with status 'errno', because that might be 256, which would mean
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	267 success (exit statuses are truncated to eight bits). */
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	268 #define FATAL_PERROR(str) \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	269 do \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	270 { \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	271 gnulib::fputs ("pathsearch: ", stderr); \
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	272 perror (str); exit (EXIT_FAILURE); \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	273 } \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	274 while (0)
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	275
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	276 #define FATAL(str) \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	277 do \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	278 { \
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	279 gnulib::fputs ("pathsearch: fatal: ", stderr); \
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	280 gnulib::fputs (str, stderr); \
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	281 gnulib::fputs (".\n", stderr); \
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	282 exit (1); \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	283 } \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	284 while (0)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	285
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	286 #if ! defined (WIN32)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	287 static void xclosedir (DIR *d);
4386 112a509bd2e6 [project @ 2003-04-24 18:41:02 by jwe] jwe parents: 4385 diff changeset	288 #endif
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	289
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	290 /* It's a little bizarre to be using the same type for the list and the
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	291 elements of the list, but no reason not to in this case, I think --
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	292 we never need a NULL string in the middle of the list, and an extra
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	293 NULL/NULL element always at the end is inconsequential. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	294
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	295 struct str_llist_elt
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	296 {
11501 331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	297 str_llist_elt (void) : str (), moved (0), next (0) { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	298
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	299 ~str_llist_elt (void) { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	300
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	301 std::string str;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	302 int moved;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	303 struct str_llist_elt *next;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	304 };
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	305
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	306 typedef str_llist_elt str_llist_elt_type;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	307 typedef str_llist_elt *str_llist_type;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	308
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	309 #define STR_LLIST(sl) ((sl).str)
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	310 #define STR_LLIST_MOVED(sl) ((sl).moved)
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	311 #define STR_LLIST_NEXT(sl) ((sl).next)
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	312
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	313 static void str_llist_add (str_llist_type *l, const std::string& str);
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	314
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	315 static void str_llist_float (str_llist_type l, str_llist_elt_type mover);
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	316
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	317 static std::string kpse_var_expand (const std::string& src);
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	318
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	319 static str_llist_type *kpse_element_dirs (const std::string& elt);
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	320
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	321 static std::string kpse_expand (const std::string& s);
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	322
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	323 static std::string kpse_expand_default (const std::string& path,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	324 const std::string& dflt);
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	325
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	326 static string_vector kpse_db_search (const std::string& name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	327 const std::string& path_elt, bool all);
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	328
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	329 #include <ctime> /* for 'time' */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	330
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	331 static bool
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	332 kpse_is_env_sep (char c)
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	333 {
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	334 return IS_ENV_SEP (c);
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	335 }
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	336
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	337 /* These routines just check the return status from standard library
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	338 routines and abort if an error happens. */
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	339
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	340 static FILE *
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	341 xfopen (const std::string& filename, const char *mode)
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	342 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	343 FILE *f;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	344
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	345 assert (! filename.empty () && mode);
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	346
14153 06aa17228706 use gnulib::fopen John W. Eaton <jwe@octave.org> parents: 13718 diff changeset	347 f = gnulib::fopen (filename.c_str (), mode);
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	348
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	349 if (! f)
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	350 FATAL_PERROR (filename.c_str ());
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	351
14153 06aa17228706 use gnulib::fopen John W. Eaton <jwe@octave.org> parents: 13718 diff changeset	352 if (KPSE_DEBUG_P (KPSE_DEBUG_FOPEN))
06aa17228706 use gnulib::fopen John W. Eaton <jwe@octave.org> parents: 13718 diff changeset	353 DEBUGF3 ("fopen (%s, %s) => 0x%lx\n", filename.c_str (), mode,
16314 0723ea02dcdb use intptr_t instead of long John W. Eaton <jwe@octave.org> parents: 15467 diff changeset	354 reinterpret_cast<intptr_t> (f));
14153 06aa17228706 use gnulib::fopen John W. Eaton <jwe@octave.org> parents: 13718 diff changeset	355
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	356 return f;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	357 }
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	358
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	359 /* A single (key,value) pair. */
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	360
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	361 struct hash_element_type
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	362 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	363 std::string key;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	364 std::string value;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	365 struct hash_element_type *next;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	366 };
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	367
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	368 /* The usual arrangement of buckets initialized to null. */
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	369
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	370 struct hash_table_type
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	371 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	372 hash_element_type **buckets;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	373 unsigned size;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	374 };
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	375
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	376 static unsigned
5764 80409c2defcc [project @ 2006-04-16 19:10:00 by jwe] jwe parents: 5760 diff changeset	377 kpse_hash (hash_table_type table, const std::string& key)
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	378 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	379 unsigned n = 0;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	380
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	381 /* Our keys aren't often anagrams of each other, so no point in
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	382 weighting the characters. */
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	383 size_t len = key.length ();
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	384 for (size_t i = 0; i < len; i++)
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	385 n = (n + n + key[i]) % table.size;
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	386
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	387 return n;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	388 }
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	389
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	390 /* Look up STR in MAP. Return a (dynamically-allocated) list of the
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	391 corresponding strings or NULL if no match. */
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	392
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	393 static string_vector
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	394 hash_lookup (hash_table_type table, const std::string& key)
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	395 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	396 hash_element_type *p;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	397 string_vector ret;
5764 80409c2defcc [project @ 2006-04-16 19:10:00 by jwe] jwe parents: 5760 diff changeset	398 unsigned n = kpse_hash (table, key);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	399
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	400 /* Look at everything in this bucket. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	401 for (p = table.buckets[n]; p; p = p->next)
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	402 if (key == p->key)
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	403 ret.append (p->value);
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	404
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	405 #if defined (KPSE_DEBUG)
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	406 if (KPSE_DEBUG_P (KPSE_DEBUG_HASH))
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	407 {
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	408 DEBUGF1 ("hash_lookup (%s) =>", key.c_str ());
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	409 if (ret.empty ())
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	410 gnulib::fputs (" (nil)\n", stderr);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	411 else
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	412 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	413 int len = ret.numel ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	414 for (int i = 0; i < len; i++)
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	415 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	416 gnulib::putc (' ', stderr);
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	417 gnulib::fputs (ret[i].c_str (), stderr);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	418 }
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	419 gnulib::putc ('\n', stderr);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	420 }
12912 e116dd862879 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	421 gnulib::fflush (stderr);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	422 }
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	423 #endif
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	424
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	425 return ret;
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	426 }
dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	427
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	428 /* A way to step through a path, extracting one directory name at a
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	429 time. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	430
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	431 class kpse_path_iterator
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	432 {
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	433 public:
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	434
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	435 kpse_path_iterator (const std::string& p)
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	436 : path (p), b (0), e (0), len (path.length ()) { set_end (); }
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	437
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	438 kpse_path_iterator (const kpse_path_iterator& pi)
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	439 : path (pi.path), b (pi.b), e (pi.e), len (pi.len) { }
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	440
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	441 kpse_path_iterator operator ++ (int)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	442 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	443 kpse_path_iterator retval (*this);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	444 next ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	445 return retval;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	446 }
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	447
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	448 std::string operator * (void) { return path.substr (b, e-b); }
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	449
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	450 bool operator != (const size_t sz) { return b != sz; }
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	451
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	452 private:
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	453
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	454 const std::string& path;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	455 size_t b;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	456 size_t e;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	457 size_t len;
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	458
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	459 void set_end (void)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	460 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	461 e = b + 1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	462
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	463 if (e == len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	464 ; /* OK, we have found the last element. */
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	465 else if (e > len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	466 b = e = std::string::npos;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	467 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	468 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	469 /* Find the next colon not enclosed by braces (or the end of
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	470 the path). */
20443 610c74748518 maint: Clean up code based on static analysis suggestions. Rik <rik@octave.org> parents: 20232 diff changeset	471 while (e < len && ! kpse_is_env_sep (path[e]))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	472 e++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	473 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	474 }
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	475
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	476 void next (void)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	477 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	478 b = e + 1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	479
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	480 /* Skip any consecutive colons. */
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	481 while (b < len && kpse_is_env_sep (path[b]))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	482 b++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	483
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	484 if (b >= len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	485 b = e = std::string::npos;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	486 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	487 set_end ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	488 }
5617 e92411b7eb21 [project @ 2006-02-13 17:21:31 by jwe] jwe parents: 5451 diff changeset	489
e92411b7eb21 [project @ 2006-02-13 17:21:31 by jwe] jwe parents: 5451 diff changeset	490 // No assignment.
e92411b7eb21 [project @ 2006-02-13 17:21:31 by jwe] jwe parents: 5451 diff changeset	491 kpse_path_iterator& operator = (const kpse_path_iterator&);
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	492 };
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	493
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	494 /* Here's the simple one, when a program just wants a value. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	495
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	496 static std::string
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	497 kpse_var_value (const std::string& var)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	498 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	499 std::string ret;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	500
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	501 std::string tmp = octave::sys::env::getenv (var);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	502
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	503 if (! tmp.empty ())
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	504 ret = kpse_var_expand (tmp);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	505
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	506 #if defined (KPSE_DEBUG)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	507 if (KPSE_DEBUG_P (KPSE_DEBUG_VARS))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	508 DEBUGF2 ("variable: %s = %s\n", var.c_str (),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	509 tmp.empty () ? "(nil)" : tmp.c_str ());
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	510 #endif
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	511
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	512 return ret;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	513 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	514
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	515 /* Truncate any too-long components in NAME, returning the result. It's
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	516 too bad this is necessary. See comments in readable.c for why. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	517
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	518 static std::string
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	519 kpse_truncate_filename (const std::string& name)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	520 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	521 unsigned c_len = 0; /* Length of current component. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	522 unsigned ret_len = 0; /* Length of constructed result. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	523
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	524 std::string ret = name;
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	525
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	526 size_t len = name.length ();
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	527
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	528 for (size_t i = 0; i < len; i++)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	529 {
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	530 if (IS_DIR_SEP (name[i]) \|\| IS_DEVICE_SEP (name[i]))
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	531 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	532 /* At a directory delimiter, reset component length. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	533 c_len = 0;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	534 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	535 else if (c_len > NAME_MAX)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	536 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	537 /* If past the max for a component, ignore this character. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	538 continue;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	539 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	540
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	541 /* Copy this character. */
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	542 ret[ret_len++] = name[i];
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	543 c_len++;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	544 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	545
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	546 ret.resize (ret_len);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	547
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	548 return ret;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	549 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	550
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	551 /* If access can read FN, run stat (assigning to stat buffer ST) and
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	552 check that fn is not a directory. Don't check for just being a
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	553 regular file, as it is potentially useful to read fifo's or some
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	554 kinds of devices. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	555
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	556 #if defined (WIN32)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	557 static inline bool
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	558 READABLE (const std::string& fn, struct stat&)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	559 {
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	560 const char *t = fn.c_str ();
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	561 return (GetFileAttributes (t) != 0xFFFFFFFF
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	562 && ! (GetFileAttributes (t) & FILE_ATTRIBUTE_DIRECTORY));
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	563 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	564 #else
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	565 static inline bool
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	566 READABLE (const std::string& fn, struct stat& st)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	567 {
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	568 const char *t = fn.c_str ();
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	569 return (access (t, R_OK) == 0
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	570 && stat (t, &(st)) == 0 && ! S_ISDIR (st.st_mode));
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	571 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	572 #endif
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	573
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	574 /* POSIX invented the brain-damage of not necessarily truncating
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	575 filename components; the system's behavior is defined by the value of
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	576 the symbol _POSIX_NO_TRUNC, but you can't change it dynamically!
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	577
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	578 Generic const return warning. See extend-fname.c. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	579
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	580 static std::string
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	581 kpse_readable_file (const std::string& name)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	582 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	583 struct stat st;
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	584 std::string ret;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	585
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	586 if (READABLE (name, st))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	587 {
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	588 ret = name;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	589
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	590 #if defined (ENAMETOOLONG)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	591 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	592 else if (errno == ENAMETOOLONG)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	593 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	594 ret = kpse_truncate_filename (name);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	595
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	596 /* Perhaps some other error will occur with the truncated name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	597 so let's call access again. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	598
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	599 if (! READABLE (ret, st))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	600 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	601 /* Failed. */
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20955 diff changeset	602 ret = "";
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	603 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	604 #endif /* ENAMETOOLONG */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	605
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	606 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	607 else
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	608 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	609 /* Some other error. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	610 if (errno == EACCES)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	611 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	612 /* Maybe warn them if permissions are bad. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	613 perror (name.c_str ());
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	614 }
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	615
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20955 diff changeset	616 ret = "";
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	617 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	618
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	619 return ret;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	620 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	621
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	622 /* Sorry this is such a system-dependent mess, but I can't see any way
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	623 to usefully generalize. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	624
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	625 static bool
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	626 kpse_absolute_p (const std::string& filename, int relative_ok)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	627 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	628 size_t len = filename.length ();
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	629
4409 6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	630 int absolute = (len > 0 && IS_DIR_SEP (filename[0]))
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	631 #if defined (DOSISH)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	632 /* Novell allows non-alphanumeric drive letters. */
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	633 \|\| (len > 0 && IS_DEVICE_SEP (filename[1]))
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	634 #endif /* DOSISH */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	635 #if defined (WIN32)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	636 /* UNC names */
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	637 \|\| (len > 1 && filename[0] == '\\' && filename[1] == '\\')
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	638 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	639 ;
4409 6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	640
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	641 int explicit_relative
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	642 = relative_ok
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	643 && (len > 1
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	644 && filename[0] == '.'
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	645 && (IS_DIR_SEP (filename[1])
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	646 \|\| (len > 2 && filename[1] == '.' && IS_DIR_SEP (filename[2]))));
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	647
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	648 return absolute \|\| explicit_relative;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	649 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	650
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	651 /* The very first search is for texmf.cnf, called when someone tries to
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	652 initialize the TFM path or whatever. init_path calls kpse_cnf_get
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	653 which calls kpse_all_path_search to find all the texmf.cnf's. We
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	654 need to do various special things in this case, since we obviously
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	655 don't yet have the configuration files when we're searching for the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	656 configuration files. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	657 static bool first_search = true;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	658
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	659 /* This function is called after every search (except the first, since
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	660 we definitely want to allow enabling the logging in texmf.cnf) to
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	661 record the filename(s) found in $TEXMFLOG. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	662
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	663 static void
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	664 log_search (const string_vector& filenames)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	665 {
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	666 static FILE *log_file = 0;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	667 static bool first_time = true; /* Need to open the log file? */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	668
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	669 if (first_time)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	670 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	671 first_time = false;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	672
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	673 /* Get name from either envvar or config file. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	674 std::string log_name = kpse_var_value ("TEXMFLOG");
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	675
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	676 if (! log_name.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	677 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	678 log_file = xfopen (log_name.c_str (), "a");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	679
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	680 if (! log_file)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	681 perror (log_name.c_str ());
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	682 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	683 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	684
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	685 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH) \|\| log_file)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	686 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	687 /* FILENAMES should never be null, but safety doesn't hurt. */
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	688 for (int e = 0; e < filenames.numel () && ! filenames[e].empty (); e++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	689 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	690 std::string filename = filenames[e];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	691
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	692 /* Only record absolute filenames, for privacy. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	693 if (log_file && kpse_absolute_p (filename.c_str (), false))
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	694 gnulib::fprintf (log_file, "%lu %s\n",
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	695 static_cast<unsigned long> (time (0)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	696 filename.c_str ());
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	697
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	698 /* And show them online, if debugging. We've already started
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	699 the debugging line in 'search', where this is called, so
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	700 just print the filename here, don't use DEBUGF. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	701 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	702 gnulib::fputs (filename.c_str (), stderr);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	703 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	704 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	705 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	706
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	707 /* Concatenate each element in DIRS with NAME (assume each ends with a
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	708 /, to save time). If SEARCH_ALL is false, return the first readable
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	709 regular file. Else continue to search for more. In any case, if
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	710 none, return a list containing just NULL.
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	711
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	712 We keep a single buffer for the potential filenames and reallocate
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	713 only when necessary. I'm not sure it's noticeably faster, but it
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	714 does seem cleaner. (We do waste a bit of space in the return
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	715 value, though, since we don't shrink it to the final size returned.) */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	716
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	717 static string_vector
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	718 dir_list_search (str_llist_type *dirs, const std::string& name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	719 bool search_all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	720 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	721 str_llist_elt_type *elt;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	722 string_vector ret;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	723
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	724 for (elt = dirs; elt; elt = STR_LLIST_NEXT (elt))
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	725 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	726 const std::string dir = STR_LLIST (*elt);
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	727
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	728 std::string potential = dir + name;
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	729
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	730 std::string tmp = kpse_readable_file (potential);
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	731
f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	732 if (! tmp.empty ())
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	733 {
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	734 ret.append (potential);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	735
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	736 /* Move this element towards the top of the list. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	737 str_llist_float (dirs, elt);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	738
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	739 if (! search_all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	740 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	741 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	742 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	743
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	744 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	745 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	746
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	747 /* This is called when NAME is absolute or explicitly relative; if it's
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	748 readable, return (a list containing) it; otherwise, return NULL. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	749
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	750 static string_vector
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	751 absolute_search (const std::string& name)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	752 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	753 string_vector ret_list;
4393 f92093e0ff78 [project @ 2003-04-26 20:58:45 by jwe] jwe parents: 4392 diff changeset	754 std::string found = kpse_readable_file (name);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	755
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	756 /* Add 'found' to the return list even if it's null; that tells
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	757 the caller we didn't find anything. */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	758 ret_list.append (found);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	759
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	760 return ret_list;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	761 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	762
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	763 /* This is the hard case -- look for NAME in PATH. If ALL is false,
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	764 return the first file found. Otherwise, search all elements of PATH. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	765
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	766 static string_vector
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	767 path_search (const std::string& path, const std::string& name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	768 bool /* must_exist */, bool all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	769 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	770 string_vector ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	771 bool done = false;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	772
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	773 for (kpse_path_iterator pi (path); ! done && pi != std::string::npos; pi++)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	774 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	775 std::string elt = *pi;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	776
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	777 string_vector found;
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	778 bool allow_disk_search = true;
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	779
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	780 if (elt.length () > 1 && elt[0] == '!' && elt[1] == '!')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	781 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	782 /* Those magic leading chars in a path element means don't
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	783 search the disk for this elt. And move past the magic to
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	784 get to the name. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	785 allow_disk_search = false;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	786 elt = elt.substr (2);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	787 }
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	788
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	789 /* Do not touch the device if present */
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	790 if (NAME_BEGINS_WITH_DEVICE (elt))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	791 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	792 while (elt.length () > 3
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	793 && IS_DIR_SEP (elt[2]) && IS_DIR_SEP (elt[3]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	794 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	795 elt[2] = elt[1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	796 elt[1] = elt[0];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	797 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	798 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	799 }
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	800 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	801 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	802 /* We never want to search the whole disk. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	803 while (elt.length () > 1
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	804 && IS_DIR_SEP (elt[0]) && IS_DIR_SEP (elt[1]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	805 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	806 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	807
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	808 /* Try ls-R, unless we're searching for texmf.cnf. Our caller
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	809 (search), also tests first_search, and does the resetting. */
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	810 found = first_search ? string_vector () : kpse_db_search (name, elt, all);
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	811
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	812 /* Search the filesystem if (1) the path spec allows it, and either
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	813 (2a) we are searching for texmf.cnf ; or
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	814 (2b) no db exists; or
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	815 (2c) no db's are relevant to this elt; or
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	816 (3) MUST_EXIST && NAME was not in the db.
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	817 In (2*), 'found' will be NULL.
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	818 In (3), 'found' will be an empty list. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	819
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	820 if (allow_disk_search && found.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	821 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	822 str_llist_type *dirs = kpse_element_dirs (elt);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	823
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	824 if (dirs && *dirs)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	825 found = dir_list_search (dirs, name, all);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	826 }
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	827
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	828 /* Did we find anything anywhere? */
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	829 if (! found.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	830 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	831 if (all)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	832 ret_list.append (found);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	833 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	834 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	835 ret_list.append (found[0]);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	836 done = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	837 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	838 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	839 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	840
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	841 return ret_list;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	842 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	843
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	844 /* Search PATH for ORIGINAL_NAME. If ALL is false, or ORIGINAL_NAME is
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	845 absolute_p, check ORIGINAL_NAME itself. Otherwise, look at each
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	846 element of PATH for the first readable ORIGINAL_NAME.
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	847
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	848 Always return a list; if no files are found, the list will
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	849 contain just NULL. If ALL is true, the list will be
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	850 terminated with NULL. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	851
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	852 static string_vector
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	853 search (const std::string& path, const std::string& original_name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	854 bool must_exist, bool all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	855 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	856 string_vector ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	857 bool absolute_p;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	858
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	859 /* Make a leading ~ count as an absolute filename, and expand $FOO's. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	860 std::string name = kpse_expand (original_name);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	861
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	862 /* If the first name is absolute or explicitly relative, no need to
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	863 consider PATH at all. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	864 absolute_p = kpse_absolute_p (name, true);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	865
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	866 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	867 DEBUGF4 ("start search (file=%s, must_exist=%d, find_all=%d, path=%s).\n",
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	868 name.c_str (), must_exist, all, path.c_str ());
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	869
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	870 /* Find the file(s). */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	871 ret_list = absolute_p ? absolute_search (name)
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	872 : path_search (path, name, must_exist, all);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	873
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	874 /* The very first search is for texmf.cnf. We can't log that, since
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	875 we want to allow setting TEXMFLOG in texmf.cnf. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	876 if (first_search)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	877 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	878 first_search = false;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	879 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	880 else
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	881 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	882 /* Record the filenames we found, if desired. And wrap them in a
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	883 debugging line if we're doing that. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	884
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	885 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	886 DEBUGF1 ("search (%s) =>", original_name.c_str ());
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	887
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	888 log_search (ret_list);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	889
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	890 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	891 gnulib::putc ('\n', stderr);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	892 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	893
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	894 return ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	895 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	896
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	897 /* Search PATH for the first NAME. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	898
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	899 /* Call 'kpse_expand' on NAME. If the result is an absolute or
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	900 explicitly relative filename, check whether it is a readable
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	901 (regular) file.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	902
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	903 Otherwise, look in each of the directories specified in PATH (also do
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	904 tilde and variable expansion on elements in PATH), using a prebuilt
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	905 db (see db.h) if it's relevant for a given path element.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	906
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	907 If the prebuilt db doesn't exist, or if MUST_EXIST is true and NAME
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	908 isn't found in the prebuilt db, look on the filesystem. (I.e., if
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	909 MUST_EXIST is false, and NAME isn't found in the db, do not look on
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	910 the filesystem.)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	911
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	912 The caller must expand PATH. This is because it makes more sense to
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	913 do this once, in advance, instead of for every search using it.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	914
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	915 In any case, return the complete filename if found, otherwise NULL. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	916
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	917 static std::string
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	918 kpse_path_search (const std::string& path, const std::string& name,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	919 bool must_exist)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	920 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	921 string_vector ret_list = search (path, name, must_exist, false);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	922
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20955 diff changeset	923 return ret_list.empty () ? "" : ret_list[0];
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	924 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	925
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	926 /* Search all elements of PATH for files named NAME. Not sure if it's
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	927 right to assert 'must_exist' here, but it suffices now. */
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	928
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	929 /* Like 'kpse_path_search' with MUST_EXIST true, but return a list of
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	930 all the filenames (or NULL if none), instead of taking the first. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	931
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	932 static string_vector
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	933 kpse_all_path_search (const std::string& path, const std::string& name)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	934 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	935 return search (path, name, true, true);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	936 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	937
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	938 /* This is the hard case -- look in each element of PATH for each
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	939 element of NAMES. If ALL is false, return the first file found.
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	940 Otherwise, search all elements of PATH. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	941
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	942 static string_vector
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	943 path_find_first_of (const std::string& path, const string_vector& names,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	944 bool /* must_exist */, bool all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	945 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	946 string_vector ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	947 bool done = false;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	948
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	949 for (kpse_path_iterator pi (path); ! done && pi != std::string::npos; pi++)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	950 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	951 std::string elt = *pi;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	952
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	953 str_llist_type *dirs;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	954 str_llist_elt_type *dirs_elt;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	955 string_vector found;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	956 bool allow_disk_search = true;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	957
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	958 if (elt.length () > 1 && elt[0] == '!' && elt[1] == '!')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	959 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	960 /* Those magic leading chars in a path element means don't
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	961 search the disk for this elt. And move past the magic to
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	962 get to the name. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	963
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	964 allow_disk_search = false;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	965 elt = elt.substr (2);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	966 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	967
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	968 /* Do not touch the device if present */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	969
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	970 if (NAME_BEGINS_WITH_DEVICE (elt))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	971 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	972 while (elt.length () > 3
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	973 && IS_DIR_SEP (elt[2]) && IS_DIR_SEP (elt[3]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	974 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	975 elt[2] = elt[1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	976 elt[1] = elt[0];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	977 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	978 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	979 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	980 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	981 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	982 /* We never want to search the whole disk. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	983 while (elt.length () > 1
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	984 && IS_DIR_SEP (elt[0]) && IS_DIR_SEP (elt[1]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	985 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	986 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	987
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	988 /* We have to search one directory at a time. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	989 dirs = kpse_element_dirs (elt);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	990 for (dirs_elt = dirs; dirs_elt; dirs_elt = STR_LLIST_NEXT (dirs_elt))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	991 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	992 const std::string dir = STR_LLIST (*dirs_elt);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	993
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	994 int len = names.numel ();
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	995 for (int i = 0; i < len && ! done; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	996 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	997 std::string name = names[i];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	998
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	999 /* Try ls-R, unless we're searching for texmf.cnf. Our caller
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1000 (find_first_of), also tests first_search, and does the
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1001 resetting. */
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1002 found = first_search ? string_vector ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1003 : kpse_db_search (name, dir.c_str (), all);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1004
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1005 /* Search the filesystem if (1) the path spec allows it,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1006 and either
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1007
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1008 (2a) we are searching for texmf.cnf ; or
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1009 (2b) no db exists; or
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1010 (2c) no db's are relevant to this elt; or
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1011 (3) MUST_EXIST && NAME was not in the db.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1012
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1013 In (2*), 'found' will be NULL.
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1014 In (3), 'found' will be an empty list. */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1015
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1016 if (allow_disk_search && found.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1017 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1018 static str_llist_type *tmp = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1019
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1020 if (! tmp)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1021 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1022 tmp = new str_llist_type;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1023 *tmp = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1024 str_llist_add (tmp, "");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1025 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1026
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1027 STR_LLIST ((tmp)) = dir;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1028
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1029 found = dir_list_search (tmp, name, all);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1030 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1031
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1032 /* Did we find anything anywhere? */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1033 if (! found.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1034 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1035 if (all)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1036 ret_list.append (found);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1037 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1038 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1039 ret_list.append (found[0]);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1040 done = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1041 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1042 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1043 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1044 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1045 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1046
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1047 return ret_list;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1048 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1049
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1050 static string_vector
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1051 find_first_of (const std::string& path, const string_vector& names,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1052 bool must_exist, bool all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1053 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1054 string_vector ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1055
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1056 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1057 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1058 gnulib::fputs ("start find_first_of ((", stderr);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1059
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1060 int len = names.numel ();
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1061
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1062 for (int i = 0; i < len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1063 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1064 if (i == 0)
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1065 gnulib::fputs (names[i].c_str (), stderr);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1066 else
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1067 gnulib::fprintf (stderr, ", %s", names[i].c_str ());
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1068 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1069
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1070 gnulib::fprintf (stderr, "), path=%s, must_exist=%d).\n",
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1071 path.c_str (), must_exist);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1072 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1073
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1074 for (int i = 0; i < names.numel (); i++)
4409 6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1075 {
6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1076 std::string name = names[i];
6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1077
6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1078 if (kpse_absolute_p (name, true))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1079 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1080 /* If the name is absolute or explicitly relative, no need
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1081 to consider PATH at all. If we find something, then we
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1082 are done. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1083
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1084 ret_list = absolute_search (name);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1085
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1086 if (! ret_list.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1087 return ret_list;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1088 }
4409 6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1089 }
6b191c6e6875 [project @ 2003-05-11 16:41:10 by jwe] jwe parents: 4407 diff changeset	1090
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1091 /* Find the file. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1092 ret_list = path_find_first_of (path, names, must_exist, all);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1093
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1094 /* The very first search is for texmf.cnf. We can't log that, since
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1095 we want to allow setting TEXMFLOG in texmf.cnf. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1096 if (first_search)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1097 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1098 first_search = false;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1099 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1100 else
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1101 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1102 /* Record the filenames we found, if desired. And wrap them in a
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1103 debugging line if we're doing that. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1104
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1105 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1106 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1107 gnulib::fputs ("find_first_of (", stderr);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1108
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1109 int len = names.numel ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1110
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1111 for (int i = 0; i < len; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1112 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1113 if (i == 0)
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1114 gnulib::fputs (names[i].c_str (), stderr);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1115 else
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1116 gnulib::fprintf (stderr, ", %s", names[i].c_str ());
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1117 }
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1118
479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1119 gnulib::fputs (") =>", stderr);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1120 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1121
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1122 log_search (ret_list);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1123
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1124 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	1125 gnulib::putc ('\n', stderr);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1126 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1127
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1128 return ret_list;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1129 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1130
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1131 /* Search each element of PATH for each element of NAMES. Return the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1132 first one found. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1133
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1134 /* Search each element of PATH for each element in the list of NAMES.
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1135 Return the first one found. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1136
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1137 static std::string
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1138 kpse_path_find_first_of (const std::string& path, const string_vector& names,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1139 bool must_exist)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1140 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1141 string_vector ret_list = find_first_of (path, names, must_exist, false);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1142
21017 93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "". Rik <rik@octave.org> parents: 20955 diff changeset	1143 return ret_list.empty () ? "" : ret_list[0];
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1144 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1145
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1146 /* Search each element of PATH for each element of NAMES and return a
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1147 list containing everything found, in the order found. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1148
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1149 /* Like 'kpse_path_find_first_of' with MUST_EXIST true, but return a
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1150 list of all the filenames (or NULL if none), instead of taking the
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1151 first. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1152
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1153 static string_vector
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1154 kpse_all_path_find_first_of (const std::string& path,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1155 const string_vector& names)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1156 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1157 return find_first_of (path, names, true, true);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1158 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1159
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1160 /* General expansion. Some of this file (the brace-expansion
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1161 code from bash) is covered by the GPL; this is the only GPL-covered
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1162 code in kpathsea. The part of the file that I wrote (the first
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1163 couple of functions) is covered by the LGPL. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1164
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1165 /* If NAME has a leading ~ or ~user, Unix-style, expand it to the user's
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1166 home directory, and return a new malloced string. If no ~, or no
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1167 <pwd.h>, just return NAME. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1168
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1169 static std::string
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1170 kpse_tilde_expand (const std::string& name)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1171 {
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1172 std::string expansion;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1173
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1174 /* If no leading tilde, do nothing. */
5137 5ee7da8b8a4b [project @ 2005-02-09 17:59:19 by jwe] jwe parents: 5085 diff changeset	1175 if (name.empty () \|\| name[0] != '~')
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1176 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1177 expansion = name;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1178
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1179 /* If a bare tilde, return the home directory or '.'. (Very
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1180 unlikely that the directory name will do anyone any good, but
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1181 ... */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1182 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1183 else if (name.length () == 1)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1184 {
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	1185 expansion = octave::sys::env::get_home_directory ();
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1186
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1187 if (expansion.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1188 expansion = ".";
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1189
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1190 /* If '~/', remove any trailing / or replace leading // in $HOME.
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1191 Should really check for doubled intermediate slashes, too. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1192 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1193 else if (IS_DIR_SEP (name[1]))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1194 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1195 unsigned c = 1;
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	1196 std::string home = octave::sys::env::get_home_directory ();
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1197
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1198 if (home.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1199 home = ".";
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1200
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1201 size_t home_len = home.length ();
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1202
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1203 /* handle leading // */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1204 if (home_len > 1 && IS_DIR_SEP (home[0]) && IS_DIR_SEP (home[1]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1205 home = home.substr (1);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1206
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1207 /* omit / after ~ */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1208 if (IS_DIR_SEP (home[home_len - 1]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1209 c++;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1210
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1211 expansion = home + name.substr (c);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1212
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1213 /* If '~user' or '~user/', look up user in the passwd database (but
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1214 OS/2 doesn't have this concept. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1215 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1216 else
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	1217 #if defined (HAVE_PWD_H)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1218 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1219 unsigned c = 2;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1220
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1221 /* find user name */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1222 while (name.length () > c && ! IS_DIR_SEP (name[c]))
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1223 c++;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1224
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1225 std::string user = name.substr (1, c-1);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1226
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1227 /* We only need the cast here for (deficient) systems
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1228 which do not declare 'getpwnam' in <pwd.h>. */
21729 815b2f500fab use namespace for system password wrapper class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	1229 octave::sys::password p = octave::sys::password::getpwnam (user);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1230
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1231 /* If no such user, just use '.'. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1232 std::string home = p ? p.dir () : std::string (".");
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1233
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1234 if (home.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1235 home = ".";
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1236
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1237 /* handle leading // */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1238 if (home.length () > 1 && IS_DIR_SEP (home[0]) && IS_DIR_SEP (home[1]))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1239 home = home.substr (1);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1240
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1241 /* If HOME ends in /, omit the / after ~user. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1242 if (name.length () > c && IS_DIR_SEP (home[home.length () - 1]))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1243 c++;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1244
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1245 expansion = name.length () > c ? home : home + name.substr (c);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1246 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1247 #else /* not HAVE_PWD_H */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1248 expansion = name;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1249 #endif /* not HAVE_PWD_H */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1250
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1251 return expansion;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1252 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1253
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1254 /* Do variable expansion first so ~${USER} works. (Besides, it's what the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1255 shells do.) */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1256
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1257 /* Call kpse_var_expand and kpse_tilde_expand (in that order). Result
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1258 is always in fresh memory, even if no expansions were done. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1259
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1260 static std::string
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1261 kpse_expand (const std::string& s)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1262 {
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1263 std::string var_expansion = kpse_var_expand (s);
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1264 return kpse_tilde_expand (var_expansion);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1265 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1266
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1267 /* Forward declarations of functions from the original expand.c */
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1268 static string_vector brace_expand (const std::string&);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1269
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1270 /* If $KPSE_DOT is defined in the environment, prepend it to any relative
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1271 path components. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1272
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1273 static std::string
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1274 kpse_expand_kpse_dot (const std::string& path)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1275 {
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1276 std::string ret;
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	1277 std::string kpse_dot = octave::sys::env::getenv ("KPSE_DOT");
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1278
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1279 if (kpse_dot.empty ())
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1280 return path;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1281
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	1282 for (kpse_path_iterator pi (path); pi != std::string::npos; pi++)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1283 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1284 std::string elt = *pi;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1285
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1286 /* We assume that the !! magic is only used on absolute components.
21562 6c2fd62db1f7 maint: Eliminate accidental double spaces in code. Rik <rik@octave.org> parents: 21340 diff changeset	1287 Single "." get special treatment, as does "./" or its equivalent. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1288
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1289 size_t elt_len = elt.length ();
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1290
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1291 if (kpse_absolute_p (elt, false)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1292 \|\| (elt_len > 1 && elt[0] == '!' && elt[1] == '!'))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1293 ret += elt + ENV_SEP_STRING;
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1294 else if (elt_len == 1 && elt[0] == '.')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1295 ret += kpse_dot + ENV_SEP_STRING;
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1296 else if (elt_len > 1 && elt[0] == '.' && IS_DIR_SEP (elt[1]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1297 ret += kpse_dot + elt.substr (1) + ENV_SEP_STRING;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1298 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1299 ret += kpse_dot + DIR_SEP_STRING + elt + ENV_SEP_STRING;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1300 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1301
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1302 int len = ret.length ();
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1303 if (len > 0)
4395 cc6d369355ec [project @ 2003-04-28 18:14:56 by jwe] jwe parents: 4394 diff changeset	1304 ret.resize (len-1);
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1305
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1306 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1307 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1308
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1309 /* Do brace expansion on ELT; then do variable and ~ expansion on each
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1310 element of the result; then do brace expansion again, in case a
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1311 variable definition contained braces (e.g., $TEXMF). Return a
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1312 string comprising all of the results separated by ENV_SEP_STRING. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1313
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1314 static std::string
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1315 kpse_brace_expand_element (const std::string& elt)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1316 {
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1317 std::string ret;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1318
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1319 string_vector expansions = brace_expand (elt);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1320
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1321 for (int i = 0; i < expansions.numel (); i++)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1322 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1323 /* Do $ and ~ expansion on each element. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1324 std::string x = kpse_expand (expansions[i]);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1325
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1326 if (x != expansions[i])
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1327 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1328 /* If we did any expansions, do brace expansion again. Since
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1329 recursive variable definitions are not allowed, this recursion
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1330 must terminate. (In practice, it's unlikely there will ever be
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1331 more than one level of recursion.) */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1332 x = kpse_brace_expand_element (x);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1333 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1334
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1335 ret += x + ENV_SEP_STRING;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1336 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1337
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1338 ret.resize (ret.length () - 1);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1339
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1340 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1341 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1342
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1343 /* Do brace expansion and call 'kpse_expand' on each element of the
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1344 result; return the final expansion (always in fresh memory, even if
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1345 no expansions were done). We don't call 'kpse_expand_default'
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1346 because there is a whole sequence of defaults to run through; see
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1347 'kpse_init_format'. */
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1348
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1349 static std::string
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1350 kpse_brace_expand (const std::string& path)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1351 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1352 /* Must do variable expansion first because if we have
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1353 foo = .:~
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1354 TEXINPUTS = $foo
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1355 we want to end up with TEXINPUTS = .:/home/karl.
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1356 Since kpse_path_element is not reentrant, we must get all
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1357 the path elements before we start the loop. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1358 std::string tmp = kpse_var_expand (path);
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1359
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1360 std::string ret;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1361
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	1362 for (kpse_path_iterator pi (tmp); pi != std::string::npos; pi++)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1363 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1364 std::string elt = *pi;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1365
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1366 /* Do brace expansion first, so tilde expansion happens in {~ka,~kb}. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1367 std::string expansion = kpse_brace_expand_element (elt);
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1368 ret += expansion + ENV_SEP_STRING;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1369 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1370
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1371 size_t len = ret.length ();
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1372 if (len > 0)
4395 cc6d369355ec [project @ 2003-04-28 18:14:56 by jwe] jwe parents: 4394 diff changeset	1373 ret.resize (len-1);
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1374
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1375 return kpse_expand_kpse_dot (ret);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1376 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1377
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1378 /* Expand all special constructs in a path, and include only the actually
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1379 existing directories in the result. */
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1380
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1381 /* Do brace expansion and call 'kpse_expand' on each argument of the
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1382 result, then expand any '//' constructs. The final expansion (always
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1383 in fresh memory) is a path of all the existing directories that match
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1384 the pattern. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1385
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1386 static std::string
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1387 kpse_path_expand (const std::string& path)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1388 {
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1389 std::string ret;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1390 unsigned len;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1391
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1392 len = 0;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1393
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1394 /* Expand variables and braces first. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	1395 std::string tmp = kpse_brace_expand (path);
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1396
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1397 /* Now expand each of the path elements, printing the results */
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	1398 for (kpse_path_iterator pi (tmp); pi != std::string::npos; pi++)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1399 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1400 std::string elt = *pi;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1401
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1402 str_llist_type *dirs;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1403
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1404 /* Skip and ignore magic leading chars. */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1405 if (elt.length () > 1 && elt[0] == '!' && elt[1] == '!')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1406 elt = elt.substr (2);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1407
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1408 /* Do not touch the device if present */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1409 if (NAME_BEGINS_WITH_DEVICE (elt))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1410 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1411 while (elt.length () > 3
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1412 && IS_DIR_SEP (elt[2]) && IS_DIR_SEP (elt[3]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1413 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1414 elt[2] = elt[1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1415 elt[1] = elt[0];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1416 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1417 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1418 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1419 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1420 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1421 /* We never want to search the whole disk. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1422 while (elt.length () > 1
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1423 && IS_DIR_SEP (elt[0]) && IS_DIR_SEP (elt[1]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1424 elt = elt.substr (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1425 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1426
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1427 /* Search the disk for all dirs in the component specified.
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1428 Be faster to check the database, but this is more reliable. */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1429 dirs = kpse_element_dirs (elt);
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1430
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1431 if (dirs && *dirs)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1432 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1433 str_llist_elt_type *dir;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1434
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1435 for (dir = dirs; dir; dir = STR_LLIST_NEXT (dir))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1436 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1437 const std::string thedir = STR_LLIST (*dir);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1438 unsigned dirlen = thedir.length ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1439
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1440 ret += thedir;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1441 len += dirlen;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1442
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1443 /* Retain trailing slash if that's the root directory. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1444 if (dirlen == 1
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1445 \|\| (dirlen == 3 && NAME_BEGINS_WITH_DEVICE (thedir)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1446 && IS_DIR_SEP (thedir[2])))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1447 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1448 ret += ENV_SEP_STRING;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1449 len++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1450 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1451
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1452 ret[len-1] = ENV_SEP;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1453 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1454 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1455 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1456
4395 cc6d369355ec [project @ 2003-04-28 18:14:56 by jwe] jwe parents: 4394 diff changeset	1457 if (len > 0)
cc6d369355ec [project @ 2003-04-28 18:14:56 by jwe] jwe parents: 4394 diff changeset	1458 ret.resize (len-1);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1459
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1460 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1461 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1462
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1463 /* braces.c -- code for doing word expansion in curly braces. Taken from
16768 e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	1464 bash 1.14.5. [And subsequently modified for kpatshea.]
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	1465
e2de3c8882be copyright notice fixes John W. Eaton <jwe@octave.org> parents: 16314 diff changeset	1466 Copyright (C) 1987,1991 Free Software Foundation, Inc. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1467
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1468 #define brace_whitespace(c) (! (c) \|\| (c) == ' ' \|\| (c) == '\t' \|\| (c) == '\n')
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1469
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1470 /* Basic idea:
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1471
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1472 Segregate the text into 3 sections: preamble (stuff before an open brace),
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1473 postamble (stuff after the matching close brace) and amble (stuff after
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1474 preamble, and before postamble). Expand amble, and then tack on the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1475 expansions to preamble. Expand postamble, and tack on the expansions to
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1476 the result so far. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1477
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1478 /* Return a new array of strings which is the result of appending each
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1479 string in ARR2 to each string in ARR1. The resultant array is
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1480 len (arr1) * len (arr2) long. For convenience, ARR1 (and its contents)
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1481 are free ()'ed. ARR1 can be NULL, in that case, a new version of ARR2
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1482 is returned. */
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1483
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1484 static string_vector
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1485 array_concat (const string_vector& arr1, const string_vector& arr2)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1486 {
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1487 string_vector result;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1488
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1489 if (arr1.empty ())
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1490 result = arr2;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1491 else if (arr2.empty ())
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1492 result = arr1;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1493 else
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1494 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1495 int len1 = arr1.numel ();
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1496 int len2 = arr2.numel ();
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1497
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1498 result = string_vector (len1 * len2);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1499
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1500 int k = 0;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1501 for (int i = 0; i < len2; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1502 for (int j = 0; j < len1; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1503 result[k++] = arr1[j] + arr2[i];
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1504 }
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1505
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1506 return result;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1507 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1508
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1509 static int brace_gobbler (const std::string&, int&, int);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1510 static string_vector expand_amble (const std::string&);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1511
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1512 /* Return an array of strings; the brace expansion of TEXT. */
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1513 static string_vector
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1514 brace_expand (const std::string& text)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1515 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1516 /* Find the text of the preamble. */
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1517 int i = 0;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1518 int c = brace_gobbler (text, i, '{');
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1519
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1520 std::string preamble = text.substr (0, i);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1521
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1522 string_vector result = string_vector (preamble);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1523
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1524 if (c == '{')
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1525 {
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1526 /* Find the amble. This is the stuff inside this set of braces. */
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1527 int start = ++i;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1528 c = brace_gobbler (text, i, '}');
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1529
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1530 /* What if there isn't a matching close brace? */
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1531 if (! c)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1532 {
19410 95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	1533 (*current_liboctave_warning_with_id_handler)
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	1534 ("Octave:pathsearch-syntax",
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	1535 "%s: Unmatched {", text.c_str ());
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1536
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1537 result = string_vector (text);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1538 }
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1539 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1540 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1541 std::string amble = text.substr (start, i-start);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1542 result = array_concat (result, expand_amble (amble));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1543
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1544 std::string postamble = text.substr (i+1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1545 result = array_concat (result, brace_expand (postamble));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1546 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1547 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1548
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1549 return result;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1550 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1551
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1552 /* The character which is used to separate arguments. */
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1553 static int brace_arg_separator = ',';
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1554
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1555 /* Expand the text found inside of braces. We simply try to split the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1556 text at BRACE_ARG_SEPARATORs into separate strings. We then brace
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1557 expand each slot which needs it, until there are no more slots which
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1558 need it. */
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1559 static string_vector
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1560 expand_amble (const std::string& text)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1561 {
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1562 string_vector result;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1563
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1564 size_t text_len = text.length ();
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1565 size_t start;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1566 int i, c;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1567
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1568 for (start = 0, i = 0, c = 1; c && start < text_len; start = ++i)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1569 {
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1570 int i0 = i;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1571 int c0 = brace_gobbler (text, i0, brace_arg_separator);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1572 int i1 = i;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1573 int c1 = brace_gobbler (text, i1, ENV_SEP);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1574 c = c0 \| c1;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1575 i = (i0 < i1 ? i0 : i1);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1576
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1577 std::string tem = text.substr (start, i-start);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1578
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1579 string_vector partial = brace_expand (tem);
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1580
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1581 if (result.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1582 result = partial;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1583 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1584 result.append (partial);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1585 }
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1586
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1587 return result;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1588 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1589
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1590 /* Start at INDEX, and skip characters in TEXT. Set INDEX to the
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1591 index of the character matching SATISFY. This understands about
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1592 quoting. Return the character that caused us to stop searching;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1593 this is either the same as SATISFY, or 0. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1594 static int
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1595 brace_gobbler (const std::string& text, int& indx, int satisfy)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1596 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	1597 int c = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	1598 int level = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	1599 int quoted = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	1600 int pass_next = 0;
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1601
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1602 size_t text_len = text.length ();
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1603
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1604 size_t i = indx;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1605
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1606 for (; i < text_len; i++)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1607 {
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1608 c = text[i];
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1609
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1610 if (pass_next)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1611 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1612 pass_next = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1613 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1614 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1615
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1616 /* A backslash escapes the next character. This allows backslash to
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1617 escape the quote character in a double-quoted string. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1618 if (c == '\\' && (quoted == 0 \|\| quoted == '"' \|\| quoted == '`'))
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1619 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1620 pass_next = 1;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1621 continue;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1622 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1623
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1624 if (quoted)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1625 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1626 if (c == quoted)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1627 quoted = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1628 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1629 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1630
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1631 if (c == '"' \|\| c == '\'' \|\| c == '`')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1632 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1633 quoted = c;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1634 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1635 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1636
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	1637 if (c == satisfy && ! level && ! quoted)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1638 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1639 /* We ignore an open brace surrounded by whitespace, and also
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1640 an open brace followed immediately by a close brace, that
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1641 was preceded with whitespace. */
19864 17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	1642 if (c == '{'
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	1643 && ((i == 0 \|\| brace_whitespace (text[i-1]))
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	1644 && (i+1 < text_len
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	1645 && (brace_whitespace (text[i+1]) \|\| text[i+1] == '}'))))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1646 continue;
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1647 /* If this is being compiled as part of bash, ignore the '{'
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1648 in a '${ }' construct */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1649 if ((c != '{') \|\| i == 0 \|\| (text[i-1] != '$'))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1650 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1651 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1652
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1653 if (c == '{')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1654 level++;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1655 else if (c == '}' && level)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1656 level--;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1657 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1658
4397 f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1659 indx = i;
f682f9258271 [project @ 2003-04-29 03:06:08 by jwe] jwe parents: 4396 diff changeset	1660 return c;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1661 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1662
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1663 /* For each file format, we record the following information. The main
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1664 thing that is not part of this structure is the environment variable
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1665 lists. They are used directly in tex-file.c. We could incorporate
b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1666 them here, but it would complicate the code a bit. We could also do
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1667 it via variable expansion, but not now, maybe not ever:
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1668 ${PKFONTS-${TEXFONTS-/usr/local/lib/texmf/fonts//}}. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1669
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1670 struct kpse_format_info_type
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1671 {
11501 331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1672 kpse_format_info_type (void)
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1673 : type (), path (), raw_path (), path_source (), override_path (),
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1674 client_path (), cnf_path (), default_path (), suffix ()
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1675 { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1676
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1677 ~kpse_format_info_type (void) { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	1678
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1679 std::string type; /* Human-readable description. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1680 std::string path; /* The search path to use. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1681 std::string raw_path; /* Pre-$~ (but post-default) expansion. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1682 std::string path_source; /* Where the path started from. */
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1683 std::string override_path; /* From client environment variable. */
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1684 std::string client_path; /* E.g., from dvips's config.ps. */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1685 std::string cnf_path; /* From texmf.cnf. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1686 std::string default_path; /* If all else fails. */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1687 string_vector suffix; /* For kpse_find_file to check for/append. */
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1688 };
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1689
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1690 /* The sole variable of that type, indexed by 'kpse_file_format_type'.
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1691 Initialized by calls to 'kpse_find_file' for 'kpse_init_format'. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1692 static kpse_format_info_type kpse_format_info;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1693
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1694 /* And EXPAND_DEFAULT calls kpse_expand_default on try_path and the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1695 present info->path. */
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1696 #define EXPAND_DEFAULT(try_path, source_string) \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1697 do \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1698 { \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1699 if (! try_path.empty ()) \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1700 { \
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1701 info.raw_path = try_path; \
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1702 info.path = kpse_expand_default (try_path, info.path); \
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1703 info.path_source = source_string; \
4396 452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1704 } \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1705 } \
452698dd6ed9 [project @ 2003-04-28 19:04:05 by jwe] jwe parents: 4395 diff changeset	1706 while (0)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1707
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1708 static hash_table_type db; /* The hash table for all the ls-R's. */
4928 1cf16fb3459a [project @ 2004-08-03 19:00:24 by jwe] jwe parents: 4730 diff changeset	1709
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1710 static hash_table_type alias_db;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1711
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1712 static string_vector db_dir_list;
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1713
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1714 /* Return true if FILENAME could be in PATH_ELT, i.e., if the directory
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1715 part of FILENAME matches PATH_ELT. Have to consider // wildcards, but
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1716 $ and ~ expansion have already been done. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1717
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1718 static bool
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1719 match (const std::string& filename_arg, const std::string& path_elt_arg)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1720 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1721 const char *filename = filename_arg.c_str ();
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1722 const char *path_elt = path_elt_arg.c_str ();
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1723
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1724 const char *original_filename = filename;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1725 bool matched = false;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1726
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1727 for (; filename && path_elt; filename++, path_elt++)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1728 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1729 if (filename == path_elt) /* normal character match */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1730 ;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1731
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1732 else if (IS_DIR_SEP (path_elt) / at // */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1733 && original_filename < filename && IS_DIR_SEP (path_elt[-1]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1734 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1735 while (IS_DIR_SEP (*path_elt))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1736 path_elt++; /* get past second and any subsequent /'s */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1737
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1738 if (*path_elt == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1739 {
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1740 /* Trailing //, matches anything. We could make this
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1741 part of the other case, but it seems pointless to do
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1742 the extra work. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1743 matched = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1744 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1745 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1746 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1747 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1748 /* Intermediate //, have to match rest of PATH_ELT. */
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	1749 for (; ! matched && *filename; filename++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1750 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1751 /* Try matching at each possible character. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1752 if (IS_DIR_SEP (filename[-1]) && filename == path_elt)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1753 matched = match (filename, path_elt);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1754 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1755
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1756 /* Prevent filename++ when filename='\0'. /
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1757 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1758 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1759 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1760 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1761 /* normal character nonmatch, quit */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1762 break;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1763 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1764
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1765 /* If we've reached the end of PATH_ELT, check that we're at the last
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1766 component of FILENAME, we've matched. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1767 if (! matched && *path_elt == 0)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1768 {
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1769 /* Probably PATH_ELT ended with 'vf' or some such, and FILENAME
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1770 ends with 'vf/ptmr.vf'. In that case, we'll be at a
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1771 directory separator. On the other hand, if PATH_ELT ended
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1772 with a / (as in 'vf/'), FILENAME being the same 'vf/ptmr.vf',
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1773 we'll be at the 'p'. Upshot: if we're at a dir separator in
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1774 FILENAME, skip it. But if not, that's ok, as long as there
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1775 are no more dir separators. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1776
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1777 if (IS_DIR_SEP (*filename))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1778 filename++;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1779
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	1780 while (filename && ! IS_DIR_SEP (filename))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1781 filename++;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1782
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1783 matched = *filename == 0;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1784 }
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1785
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1786 return matched;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1787 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1788
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1789 /* If DB_DIR is a prefix of PATH_ELT, return true; otherwise false.
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1790 That is, the question is whether to try the db for a file looked up
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	1791 in PATH_ELT. If PATH_ELT == ".", for example, the answer is no. If
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1792 PATH_ELT == "/usr/local/lib/texmf/fonts//tfm", the answer is yes.
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1793
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1794 In practice, ls-R is only needed for lengthy subdirectory
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1795 comparisons, but there's no gain to checking PATH_ELT to see if it is
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1796 a subdir match, since the only way to do that is to do a string
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1797 search in it, which is all we do anyway. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1798
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1799 static bool
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1800 elt_in_db (const std::string& db_dir, const std::string& path_elt)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1801 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1802 bool found = false;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1803
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1804 size_t db_dir_len = db_dir.length ();
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1805 size_t path_elt_len = path_elt.length ();
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1806
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1807 size_t i = 0;
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1808
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1809 while (! found && db_dir[i] == path_elt[i])
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1810 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1811 i++;
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1812 /* If we've matched the entire db directory, it's good. */
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1813 if (i == db_dir_len)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1814 found = true;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1815
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1816 /* If we've reached the end of PATH_ELT, but not the end of the db
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1817 directory, it's no good. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1818 else if (i == path_elt_len)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1819 break;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1820 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1821
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1822 return found;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1823 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	1824
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1825 /* Avoid doing anything if this PATH_ELT is irrelevant to the databases. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1826
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1827 /* Return list of matches for NAME in the ls-R file matching PATH_ELT. If
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1828 ALL is set, return (null-terminated list) of all matches, else just
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1829 the first. If no matches, return a pointer to an empty list. If no
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1830 databases can be read, or PATH_ELT is not in any of the databases,
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1831 return NULL. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1832
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1833 static string_vector
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1834 kpse_db_search (const std::string& name_arg,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1835 const std::string& orig_path_elt, bool all)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1836 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1837 bool done;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1838 string_vector ret;
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1839 string_vector aliases;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1840 bool relevant = false;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1841
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1842 std::string name = name_arg;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1843
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1844 /* If we failed to build the database (or if this is the recursive
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1845 call to build the db path), quit. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	1846 if (! db.buckets)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1847 return ret;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1848
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1849 /* When tex-glyph.c calls us looking for, e.g., dpi600/cmr10.pk, we
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1850 won't find it unless we change NAME to just 'cmr10.pk' and append
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1851 '/dpi600' to PATH_ELT. We are justified in using a literal '/'
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1852 here, since that's what tex-glyph.c unconditionally uses in
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1853 DPI_BITMAP_SPEC. But don't do anything if the / begins NAME; that
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1854 should never happen. */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1855 std::string path_elt;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1856 size_t last_slash = name.rfind ('/');
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	1857 if (last_slash != std::string::npos && last_slash != 0)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1858 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1859 std::string dir_part = name.substr (0, last_slash);
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1860 name = name.substr (last_slash + 1);
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1861 }
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1862 else
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1863 path_elt = orig_path_elt;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1864
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1865 /* Don't bother doing any lookups if this 'path_elt' isn't covered by
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1866 any of database directories. We do this not so much because the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1867 extra couple of hash lookups matter -- they don't -- but rather
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1868 because we want to return NULL in this case, so path_search can
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1869 know to do a disk search. */
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1870 for (int e = 0; ! relevant && e < db_dir_list.numel (); e++)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1871 relevant = elt_in_db (db_dir_list[e], path_elt);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1872
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1873 if (! relevant)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1874 return ret;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1875
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1876 /* If we have aliases for this name, use them. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1877 if (alias_db.buckets)
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1878 aliases = hash_lookup (alias_db, name);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1879
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1880 /* Push aliases up by one and insert the original name at the front. */
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1881 int len = aliases.numel ();
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1882 aliases.resize (len+1);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1883 for (int i = len; i > 0; i--)
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1884 aliases[i] = aliases[i - 1];
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1885 aliases[0] = name;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1886
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1887 done = false;
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1888 len = aliases.numel ();
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	1889 for (int i = 0; i < len && ! done; i++)
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1890 {
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1891 std::string atry = aliases[i];
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1892
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1893 /* We have an ls-R db. Look up 'atry'. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1894 string_vector db_dirs = hash_lookup (db, atry);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1895
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1896 /* For each filename found, see if it matches the path element. For
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1897 example, if we have .../cx/cmr10.300pk and .../ricoh/cmr10.300pk,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1898 and the path looks like .../cx, we don't want the ricoh file. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	1899
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1900 int db_dirs_len = db_dirs.numel ();
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	1901 for (int j = 0; j < db_dirs_len && ! done; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1902 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1903 std::string db_file = db_dirs[j] + atry;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1904 bool matched = match (db_file, path_elt);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1905
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	1906 #if defined (KPSE_DEBUG)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1907 if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1908 DEBUGF3 ("db:match (%s,%s) = %d\n",
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1909 db_file.c_str (), path_elt.c_str (), matched);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1910 #endif
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1911
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1912 /* We got a hit in the database. Now see if the file actually
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1913 exists, possibly under an alias. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1914 if (matched)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1915 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1916 std::string found;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1917 std::string tmp = kpse_readable_file (db_file);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1918 if (! tmp.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1919 found = db_file;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1920 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1921 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1922 /* The hit in the DB doesn't exist in disk. Now try
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1923 all its aliases. For example, suppose we have a
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1924 hierarchy on CD, thus 'mf.bas', but ls-R contains
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	1925 'mf.base'. Find it anyway. Could probably work
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1926 around this with aliases, but this is pretty easy
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1927 and shouldn't hurt. The upshot is that if one of
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1928 the aliases actually exists, we use that. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1929
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20017 diff changeset	1930 int aliases_len = aliases.numel ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1931
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1932 for (int k = 1; k < aliases_len && found.empty (); k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1933 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1934 std::string aatry = db_dirs[j] + aliases[k];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1935 tmp = kpse_readable_file (aatry);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1936 if (! tmp.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1937 found = aatry;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1938 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1939 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1940
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1941 /* If we have a real file, add it to the list, maybe done. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1942 if (! found.empty ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1943 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1944 ret.append (found);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1945
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1946 if (! (all \|\| found.empty ()))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1947 done = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1948 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1949 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1950 }
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1951 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	1952
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1953 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1954 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1955
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1956 /* Expand extra colons. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1957
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1958 /* Check for leading colon first, then trailing, then doubled, since
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1959 that is fastest. Usually it will be leading or trailing. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1960
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1961 /* Replace a leading or trailing or doubled : in PATH with DFLT. If
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1962 no extra colons, return PATH. Only one extra colon is replaced.
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1963 DFLT may not be NULL. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1964
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	1965 static std::string
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1966 kpse_expand_default (const std::string& path, const std::string& fallback)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1967 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1968 std::string expansion;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1969
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1970 size_t path_len = path.length ();
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1971
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1972 if (path_len == 0)
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1973 expansion = fallback;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1974
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1975 /* Solitary or leading :? */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1976 else if (IS_ENV_SEP (path[0]))
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1977 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1978 expansion = path_len == 1 ? fallback : fallback + path;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1979 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1980
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1981 /* Sorry about the assignment in the middle of the expression, but
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1982 conventions were made to be flouted and all that. I don't see the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1983 point of calling strlen twice or complicating the logic just to
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1984 avoid the assignment (especially now that I've pointed it out at
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1985 such great length). */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1986 else if (IS_ENV_SEP (path[path_len-1]))
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1987 expansion = path + fallback;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1988
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1989 /* OK, not leading or trailing. Check for doubled. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1990 else
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1991 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1992 /* What we'll return if we find none. */
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1993 expansion = path;
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1994
13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1995 for (size_t i = 0; i < path_len; i++)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	1996 {
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1997 if (i + 1 < path_len
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1998 && IS_ENV_SEP (path[i]) && IS_ENV_SEP (path[i+1]))
4394 13619163e159 [project @ 2003-04-28 17:40:07 by jwe] jwe parents: 4393 diff changeset	1999 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2000 /* We have a doubled colon. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2001
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2002 /* Copy stuff up to and including the first colon. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2003 /* Copy in FALLBACK, and then the rest of PATH. */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2004 expansion = path.substr (0, i+1) + fallback + path.substr (i+1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2005
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2006 break;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2007 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2008 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2009 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2010
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2011 return expansion;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2012 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2013
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2014 /* Translate a path element to its corresponding director{y,ies}. */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2015
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2016 /* To avoid giving prototypes for all the routines and then their real
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2017 definitions, we give all the subroutines first. The entry point is
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2018 the last routine in the file. */
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2019
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2020 /* Make a copy of DIR (unless it's null) and save it in L. Ensure that
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2021 DIR ends with a DIR_SEP for the benefit of later searches. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2022
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2023 static void
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2024 dir_list_add (str_llist_type *l, const std::string& dir)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2025 {
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2026 char last_char = dir[dir.length () - 1];
4407 16e8acbd19d5 [project @ 2003-05-05 19:00:56 by jwe] jwe parents: 4399 diff changeset	2027
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2028 std::string saved_dir = dir;
4407 16e8acbd19d5 [project @ 2003-05-05 19:00:56 by jwe] jwe parents: 4399 diff changeset	2029
16e8acbd19d5 [project @ 2003-05-05 19:00:56 by jwe] jwe parents: 4399 diff changeset	2030 if (! (IS_DIR_SEP (last_char) \|\| IS_DEVICE_SEP (last_char)))
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2031 saved_dir += DIR_SEP_STRING;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2032
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2033 str_llist_add (l, saved_dir);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2034 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2035
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2036 /* Return true if FN is a directory or a symlink to a directory,
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2037 false if not. */
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2038
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2039 static bool
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2040 dir_p (const std::string& fn)
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2041 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2042 #if defined (WIN32)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2043 unsigned int fa = GetFileAttributes (fn.c_str ());
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2044 return (fa != 0xFFFFFFFF && (fa & FILE_ATTRIBUTE_DIRECTORY));
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2045 #else
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2046 struct stat stats;
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2047 return stat (fn.c_str (), &stats) == 0 && S_ISDIR (stats.st_mode);
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2048 #endif
c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2049 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2050
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2051 /* If DIR is a directory, add it to the list L. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2052
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2053 static void
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2054 checked_dir_list_add (str_llist_type *l, const std::string& dir)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2055 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2056 if (dir_p (dir))
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2057 dir_list_add (l, dir);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2058 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2059
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2060 /* The cache. Typically, several paths have the same element; for
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2061 example, /usr/local/lib/texmf/fonts//. We don't want to compute the
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2062 expansion of such a thing more than once. Even though we also cache
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2063 the dir_links call, that's not enough -- without this path element
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2064 caching as well, the execution time doubles. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2065
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2066 struct cache_entry
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2067 {
11501 331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	2068 cache_entry (void) : key (), value (0) { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	2069
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	2070 ~cache_entry (void) { }
331fcc41ca23 data member initialization fixes John W. Eaton <jwe@octave.org> parents: 11236 diff changeset	2071
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2072 std::string key;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2073 str_llist_type *value;
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2074 };
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2075
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2076 static cache_entry *the_cache = 0;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2077 static unsigned cache_length = 0;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2078
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2079 /* Associate KEY with VALUE. We implement the cache as a simple linear
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2080 list, since it's unlikely to ever be more than a dozen or so elements
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2081 long. We don't bother to check here if PATH has already been saved;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2082 we always add it to our list. We copy KEY but not VALUE; not sure
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2083 that's right, but it seems to be all that's needed. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2084
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2085 static void
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2086 cache (const std::string key, str_llist_type *value)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2087 {
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2088 cache_entry *new_cache = new cache_entry [cache_length+1];
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2089
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2090 for (unsigned i = 0; i < cache_length; i++)
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2091 {
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2092 new_cache[i].key = the_cache[i].key;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2093 new_cache[i].value = the_cache[i].value;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2094 }
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2095
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2096 delete [] the_cache;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2097
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2098 the_cache = new_cache;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2099
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2100 the_cache[cache_length].key = key;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2101 the_cache[cache_length].value = value;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2102
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2103 cache_length++;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2104 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2105
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2106 /* To retrieve, just check the list in order. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2107
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2108 static str_llist_type *
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2109 cached (const std::string& key)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2110 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2111 unsigned p;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2112
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2113 for (p = 0; p < cache_length; p++)
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2114 {
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2115 if (key == the_cache[p].key)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2116 return the_cache[p].value;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2117 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2118
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2119 return 0;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2120 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2121
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2122 #if defined (WIN32)
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2123
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2124 /* Shared across recursive calls, it acts like a stack. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2125 static std::string dirname;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2126
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2127 #else /* WIN32 */
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2128
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2129 /* Return -1 if FN isn't a directory, else its number of links.
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2130 Duplicate the call to stat; no need to incur overhead of a function
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2131 call for that little bit of cleanliness. */
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2132
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2133 static int
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2134 dir_links (const std::string& fn)
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2135 {
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2136 std::map<std::string, long> link_table;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2137
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2138 long ret;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2139
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2140 if (link_table.find (fn) != link_table.end ())
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2141 ret = link_table[fn];
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2142 else
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2143 {
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2144 struct stat stats;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2145
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2146 ret = stat (fn.c_str (), &stats) == 0 && S_ISDIR (stats.st_mode)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2147 ? stats.st_nlink : static_cast<unsigned> (-1);
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2148
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2149 link_table[fn] = ret;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2150
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2151 #if defined (KPSE_DEBUG)
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2152 if (KPSE_DEBUG_P (KPSE_DEBUG_STAT))
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2153 DEBUGF2 ("dir_links (%s) => %ld\n", fn.c_str (), ret);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2154 #endif
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2155 }
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2156
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2157 return ret;
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2158 }
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2159
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2160 #endif /* WIN32 */
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2161
21340 9f838471a5da * kpse.cc: Avoid warning about static function in "header" file. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	2162 static inline void
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2163 do_subdir (str_llist_type *str_list_ptr, const std::string& elt,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2164 unsigned elt_length, const std::string& post)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2165 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2166 #if defined (WIN32)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2167 WIN32_FIND_DATA find_file_data;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2168 HANDLE hnd;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2169 int proceed;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2170 #else
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2171 DIR *dir;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2172 struct dirent *e;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2173 #endif /* not WIN32 */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2174
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2175 std::string name = elt.substr (0, elt_length);
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2176
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2177 assert (IS_DIR_SEP (elt[elt_length - 1])
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2178 \|\| IS_DEVICE_SEP (elt[elt_length - 1]));
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2179
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2180 #if defined (WIN32)
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2181
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2182 dirname = name + "/."; /* "." or "" -- seems equivalent. /
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2183
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2184 hnd = FindFirstFile (dirname.c_str (), &find_file_data);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2185
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2186 if (hnd == INVALID_HANDLE_VALUE)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2187 return;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2188
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2189 /* Include top level before subdirectories, if nothing to match. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2190 if (post.empty ())
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2191 dir_list_add (str_list_ptr, name);
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2192 else
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2193 {
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2194 /* If we do have something to match, see if it exists. For
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2195 example, POST might be 'pk/ljfour', and they might have a
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2196 directory '$TEXMF/fonts/pk/ljfour' that we should find. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2197 name += post;
21864 f3487b21e879 * kpse.cc: Remove obsolete and unused code. John W. Eaton <jwe@octave.org> parents: 21863 diff changeset	2198 checked_dir_list_add (str_list_ptr, name);
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2199 name.resize (elt_length);
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2200 }
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2201
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2202 proceed = 1;
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2203
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2204 while (proceed)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2205 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2206 if (find_file_data.cFileName[0] != '.')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2207 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2208 /* Construct the potential subdirectory name. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2209 name += find_file_data.cFileName;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2210
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2211 if (find_file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2212 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2213 /* It's a directory, so append the separator. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2214 name += DIR_SEP_STRING;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2215 unsigned potential_len = name.length ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2216
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2217 do_subdir (str_list_ptr, name, potential_len, post);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2218 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2219 name.resize (elt_length);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2220 }
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2221
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2222 proceed = FindNextFile (hnd, &find_file_data);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2223 }
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2224
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2225 FindClose (hnd);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2226
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2227 #else /* not WIN32 */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2228
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2229 /* If we can't open it, quit. */
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	2230 dir = gnulib::opendir (name.c_str ());
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2231
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2232 if (! dir)
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2233 return;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2234
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2235 /* Include top level before subdirectories, if nothing to match. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2236 if (post.empty ())
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2237 dir_list_add (str_list_ptr, name);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2238 else
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2239 {
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2240 /* If we do have something to match, see if it exists. For
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2241 example, POST might be 'pk/ljfour', and they might have a
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2242 directory '$TEXMF/fonts/pk/ljfour' that we should find. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2243 name += post;
21864 f3487b21e879 * kpse.cc: Remove obsolete and unused code. John W. Eaton <jwe@octave.org> parents: 21863 diff changeset	2244 checked_dir_list_add (str_list_ptr, name);
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2245 name.resize (elt_length);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2246 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2247
14155 583d3d6f6fde use gnulib::readdir John W. Eaton <jwe@octave.org> parents: 14153 diff changeset	2248 while ((e = gnulib::readdir (dir)))
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2249 {
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2250 /* If it begins with a '.', never mind. (This allows "hidden"
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2251 directories that the algorithm won't find.) */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2252
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2253 if (e->d_name[0] != '.')
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2254 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2255 int links;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2256
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2257 /* Construct the potential subdirectory name. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2258 name += e->d_name;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2259
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2260 /* If we can't stat it, or if it isn't a directory, continue. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2261 links = dir_links (name);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2262
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2263 if (links >= 0)
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2264 {
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2265 /* It's a directory, so append the separator. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2266 name += DIR_SEP_STRING;
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2267 unsigned potential_len = name.length ();
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2268
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2269 /* Should we recurse? To see if the subdirectory is a
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2270 leaf, check if it has two links (one for . and one for
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2271 ..). This means that symbolic links to directories do
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2272 not affect the leaf-ness. This is arguably wrong, but
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2273 the only alternative I know of is to stat every entry
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2274 in the directory, and that is unacceptably slow.
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2275
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2276 The #if here makes all this configurable at
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2277 compile-time, so that if we're using VMS directories or
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2278 some such, we can still find subdirectories, even if it
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2279 is much slower. */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2280 #if defined (ST_NLINK_TRICK)
5622 8b7046423d1e [project @ 2006-02-15 16:36:32 by jwe] jwe parents: 5618 diff changeset	2281 if (links != 2)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2282 #endif /* not ST_NLINK_TRICK */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2283 /* All criteria are met; find subdirectories. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2284 do_subdir (str_list_ptr, name, potential_len, post);
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2285 #if defined (ST_NLINK_TRICK)
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2286 else if (post.empty ())
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2287 /* Nothing to match, no recursive subdirectories to
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2288 look for: we're done with this branch. Add it. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2289 dir_list_add (str_list_ptr, name);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2290 #endif
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2291 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2292
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2293 /* Remove the directory entry we just checked from 'name'. */
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2294 name.resize (elt_length);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2295 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2296 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2297
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2298 xclosedir (dir);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2299 #endif /* not WIN32 */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2300 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2301
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2302 /* Here is the entry point. Returns directory list for ELT. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2303
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2304 /* Given a path element ELT, return a pointer to a NULL-terminated list
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2305 of the corresponding (existing) directory or directories, with
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2306 trailing slashes, or NULL. If ELT is the empty string, check the
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2307 current working directory.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11501 diff changeset	2308
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2309 It's up to the caller to expand ELT. This is because this routine is
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2310 most likely only useful to be called from 'kpse_path_search', which
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2311 has already assumed expansion has been done. */
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2312
286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2313 static str_llist_type *
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2314 kpse_element_dirs (const std::string& elt)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2315 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2316 str_llist_type *ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2317
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2318 /* If given nothing, return nothing. */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2319 if (elt.empty ())
cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2320 return 0;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2321
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2322 /* If we've already cached the answer for ELT, return it. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2323 ret = cached (elt);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2324 if (ret)
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2325 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2326
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2327 /* We're going to have a real directory list to return. */
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2328 ret = new str_llist_type;
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2329 *ret = 0;
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2330
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2331 /* We handle the hard case in a subroutine. */
21864 f3487b21e879 * kpse.cc: Remove obsolete and unused code. John W. Eaton <jwe@octave.org> parents: 21863 diff changeset	2332 checked_dir_list_add (ret, elt);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2333
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2334 /* Remember the directory list we just found, in case future calls are
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2335 made with the same ELT. */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2336 cache (elt, ret);
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2337
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2338 #if defined (KPSE_DEBUG)
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2339 if (KPSE_DEBUG_P (KPSE_DEBUG_EXPAND))
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2340 {
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2341 DEBUGF1 ("path element %s =>", elt.c_str ());
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2342 if (ret)
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2343 {
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2344 str_llist_elt_type *e;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2345 for (e = ret; e; e = STR_LLIST_NEXT (e))
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	2346 gnulib::fprintf (stderr, " %s", (STR_LLIST (*e)).c_str ());
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2347 }
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	2348 gnulib::putc ('\n', stderr);
12912 e116dd862879 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	2349 gnulib::fflush (stderr);
4378 7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2350 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2351 #endif /* KPSE_DEBUG */
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2352
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2353 return ret;
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2354 }
7d48a8fba1d4 [project @ 2003-04-19 00:03:47 by jwe] jwe parents: diff changeset	2355
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2356 #if ! defined (WIN32)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2357 void
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2358 xclosedir (DIR *d)
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2359 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	2360 int ret = gnulib::closedir (d);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2361
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2362 if (ret != 0)
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2363 FATAL ("closedir failed");
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2364 }
4386 112a509bd2e6 [project @ 2003-04-24 18:41:02 by jwe] jwe parents: 4385 diff changeset	2365 #endif
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2366
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2367 /* Implementation of a linked list of strings. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2368
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2369 /* Add the new string STR to the end of the list L. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2370
5085 6861a84b1d47 [project @ 2004-11-19 03:26:32 by jwe] jwe parents: 4928 diff changeset	2371 static void
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2372 str_llist_add (str_llist_type *l, const std::string& str)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2373 {
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2374 str_llist_elt_type *e;
4390 c378263ef911 [project @ 2003-04-25 21:05:06 by jwe] jwe parents: 4389 diff changeset	2375 str_llist_elt_type *new_elt = new str_llist_elt_type;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2376
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2377 /* The new element will be at the end of the list. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2378 STR_LLIST (*new_elt) = str;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2379 STR_LLIST_MOVED (*new_elt) = 0;
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2380 STR_LLIST_NEXT (*new_elt) = 0;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2381
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2382 /* Find the current end of the list. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2383 for (e = l; e && STR_LLIST_NEXT (e); e = STR_LLIST_NEXT (*e))
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2384 ;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2385
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2386 if (! e)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2387 *l = new_elt;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2388 else
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2389 STR_LLIST_NEXT (*e) = new_elt;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2390 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2391
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21732 diff changeset	2392 /* Move an element towards the top. The idea is that when a file is
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2393 found in a given directory, later files will likely be in that same
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2394 directory, and looking for the file in all the directories in between
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2395 is thus a waste. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2396
5085 6861a84b1d47 [project @ 2004-11-19 03:26:32 by jwe] jwe parents: 4928 diff changeset	2397 static void
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2398 str_llist_float (str_llist_type l, str_llist_elt_type mover)
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2399 {
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2400 str_llist_elt_type last_moved, unmoved;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2401
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2402 /* If we've already moved this element, never mind. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2403 if (STR_LLIST_MOVED (*mover))
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2404 return;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2405
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2406 /* Find the first unmoved element (to insert before). We're
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2407 guaranteed this will terminate, since MOVER itself is currently
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2408 unmoved, and it must be in L (by hypothesis). */
4398 cd8bf2c6797a [project @ 2003-04-29 04:21:01 by jwe] jwe parents: 4397 diff changeset	2409 for (last_moved = 0, unmoved = l; STR_LLIST_MOVED (unmoved);
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2410 last_moved = unmoved, unmoved = STR_LLIST_NEXT (*unmoved))
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2411 ;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2412
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2413 /* If we are the first unmoved element, nothing to relink. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2414 if (unmoved != mover)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2415 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2416 /* Remember 'mover's current successor, so we can relink 'mover's
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2417 predecessor to it. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2418 str_llist_elt_type *before_mover;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2419 str_llist_elt_type after_mover = STR_LLIST_NEXT (mover);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2420
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2421 /* Find 'mover's predecessor. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2422 for (before_mover = unmoved; STR_LLIST_NEXT (*before_mover) != mover;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2423 before_mover = STR_LLIST_NEXT (*before_mover))
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2424 ;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2425
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2426 /* 'before_mover' now links to 'after_mover'. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2427 STR_LLIST_NEXT (*before_mover) = after_mover;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2428
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2429 /* Insert 'mover' before 'unmoved' and after 'last_moved' (or at
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2430 the head of the list). */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2431 STR_LLIST_NEXT (*mover) = unmoved;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2432 if (! last_moved)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2433 *l = mover;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2434 else
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2435 STR_LLIST_NEXT (*last_moved) = mover;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2436 }
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2437
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2438 /* We've moved it. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2439 STR_LLIST_MOVED (*mover) = 1;
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2440 }
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2441
4399 286a3345aa8e [project @ 2003-05-01 03:00:28 by jwe] jwe parents: 4398 diff changeset	2442 /* Variable expansion. */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2443
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2444 /* We have to keep track of variables being expanded, otherwise
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2445 constructs like TEXINPUTS = $TEXINPUTS result in an infinite loop.
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2446 (Or indirectly recursive variables, etc.) Our simple solution is to
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2447 add to a list each time an expansion is started, and check the list
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2448 before expanding. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2449
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2450 static std::map <std::string, bool> expansions;
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2451
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2452 static void
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2453 expanding (const std::string& var, bool xp)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2454 {
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2455 expansions[var] = xp;
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2456 }
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2457
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2458 /* Return whether VAR is currently being expanding. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2459
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2460 static bool
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2461 expanding_p (const std::string& var)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2462 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2463 return (expansions.find (var) != expansions.end ()) ? expansions[var] : false;
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2464 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2465
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2466 /* Append the result of value of 'var' to EXPANSION, where 'var' begins
d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2467 at START and ends at END. If 'var' is not set, do not complain.
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2468 This is a subroutine for the more complicated expansion function. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2469
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2470 static void
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2471 expand (std::string &expansion, const std::string& var)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2472 {
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2473 if (expanding_p (var))
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2474 {
19410 95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2475 (*current_liboctave_warning_with_id_handler)
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2476 ("Octave:pathsearch-syntax",
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2477 "kpathsea: variable '%s' references itself (eventually)",
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2478 var.c_str ());
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2479 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2480 else
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2481 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2482 /* Check for an environment variable. */
21732 6a1eded90355 use namespace for system env class John W. Eaton <jwe@octave.org> parents: 21729 diff changeset	2483 std::string value = octave::sys::env::getenv (var);
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2484
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2485 if (! value.empty ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2486 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2487 expanding (var, true);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2488 std::string tmp = kpse_var_expand (value);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2489 expanding (var, false);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2490 expansion += tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2491 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2492 }
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2493 }
4392 dd108fa566fa [project @ 2003-04-26 17:00:24 by jwe] jwe parents: 4391 diff changeset	2494
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2495 /* Can't think of when it would be useful to change these (and the
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2496 diagnostic messages assume them), but ... */
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2497 #if ! defined (IS_VAR_START)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2498 /* starts all variable references */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2499 #define IS_VAR_START(c) ((c) == '$')
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2500 #endif
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2501 #if ! defined (IS_VAR_CHAR)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2502 /* variable name constituent */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2503 #define IS_VAR_CHAR(c) (isalnum (c) \|\| (c) == '_')
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2504 #endif
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2505 #if ! defined (IS_VAR_BEGIN_DELIMITER)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2506 /* start delimited variable name (after $) */
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2507 #define IS_VAR_BEGIN_DELIMITER(c) ((c) == '{')
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2508 #endif
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21690 diff changeset	2509 #if ! defined (IS_VAR_END_DELIMITER)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2510 #define IS_VAR_END_DELIMITER(c) ((c) == '}')
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2511 #endif
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2512
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2513 /* Maybe we should support some or all of the various shell ${...}
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2514 constructs, especially ${var-value}. */
de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2515
5085 6861a84b1d47 [project @ 2004-11-19 03:26:32 by jwe] jwe parents: 4928 diff changeset	2516 static std::string
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2517 kpse_var_expand (const std::string& src)
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2518 {
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2519 std::string expansion;
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2520
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2521 size_t src_len = src.length ();
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2522
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2523 /* Copy everything but variable constructs. */
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2524 for (size_t i = 0; i < src_len; i++)
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2525 {
17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2526 if (IS_VAR_START (src[i]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2527 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2528 i++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2529
15466 d174210ce1ec use ' instead of ` in error messages, warnings and most comments John W. Eaton <jwe@octave.org> parents: 14155 diff changeset	2530 /* Three cases: '$VAR', '${VAR}', '$<anything-else>'. */
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2531 if (IS_VAR_CHAR (src[i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2532 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2533 /* $V: collect name constituents, then expand. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2534 size_t var_end = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2535
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2536 do
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2537 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2538 var_end++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2539 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2540 while (IS_VAR_CHAR (src[var_end]));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2541
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2542 var_end--; /* had to go one past */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2543 expand (expansion, src.substr (i, var_end - i + 1));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2544 i = var_end;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2545
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2546 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2547 else if (IS_VAR_BEGIN_DELIMITER (src[i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2548 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2549 /* ${: scan ahead for matching delimiter, then expand. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2550 size_t var_end = ++i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2551
20955 77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines. Rik <rik@octave.org> parents: 20791 diff changeset	2552 while (var_end < src_len && ! IS_VAR_END_DELIMITER (src[var_end]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2553 var_end++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2554
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2555 if (var_end == src_len)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2556 {
19410 95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2557 (*current_liboctave_warning_with_id_handler)
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2558 ("Octave:pathsearch-syntax",
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2559 "%s: No matching } for ${", src.c_str ());
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2560 i = var_end - 1; /* will incr to eos at top of loop */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2561 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2562 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2563 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2564 expand (expansion, src.substr (i, var_end - i));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2565 i = var_end; /* will incr past } at top of loop*/
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2566 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2567 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2568 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2569 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2570 /* $<something-else>: error. */
19410 95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2571 (*current_liboctave_warning_with_id_handler)
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2572 ("Octave:pathsearch-syntax",
95c533ed464b use warning IDs for all warnings in liboctave John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	2573 "%s: Unrecognized variable construct '$%c'",
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2574 src.c_str (), src[i]);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2575
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2576 /* Just ignore those chars and keep going. */
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2577 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2578 }
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2579 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2580 expansion += src[i];
4391 17530e977bec [project @ 2003-04-26 04:50:12 by jwe] jwe parents: 4390 diff changeset	2581 }
4389 fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2582
fa9f6dde6c24 [project @ 2003-04-25 04:45:56 by jwe] jwe parents: 4386 diff changeset	2583 return expansion;
4385 de8c1d2ee728 [project @ 2003-04-24 03:27:41 by jwe] jwe parents: 4379 diff changeset	2584 }

Mercurial > octave

annotate liboctave/util/kpse.cc @ 21864:f3487b21e879