annotate src/utils.cc @ 10646:6c50b56824aa

file_in_path, file_in_loadpath: return empty string instead of empty matrix if file not found
author John W. Eaton <jwe@octave.org>
date Thu, 20 May 2010 12:19:45 -0400
parents e103fb2182ce
children 89f4d7e294cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
2
7017
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe]
jwe
parents: 7016
diff changeset
3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
8920
eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
parents: 8746
diff changeset
4 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
6 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6694
diff changeset
10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6694
diff changeset
11 option) any later version.
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
16 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
17
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6694
diff changeset
19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6694
diff changeset
20 <http://www.gnu.org/licenses/>.
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
21
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
22 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
23
240
a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe]
jwe
parents: 224
diff changeset
24 #ifdef HAVE_CONFIG_H
1192
b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe]
jwe
parents: 1155
diff changeset
25 #include <config.h>
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
26 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
27
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
28 #include <cerrno>
1343
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
29 #include <climits>
1346
9e41dbb74bca [project @ 1995-09-05 06:37:49 by jwe]
jwe
parents: 1345
diff changeset
30 #include <cstring>
1343
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
31
3503
d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe]
jwe
parents: 3446
diff changeset
32 #include <fstream>
d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe]
jwe
parents: 3446
diff changeset
33 #include <iostream>
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
34 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
35
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
36 #include <sys/types.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
37 #include <unistd.h>
367
04d377033730 [project @ 1994-02-16 08:04:52 by jwe]
jwe
parents: 341
diff changeset
38
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
39 #include "quit.h"
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
40
3040
443851377f3f [project @ 1997-06-06 09:29:28 by jwe]
jwe
parents: 3014
diff changeset
41 #include "dir-ops.h"
443851377f3f [project @ 1997-06-06 09:29:28 by jwe]
jwe
parents: 3014
diff changeset
42 #include "file-ops.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2909
diff changeset
43 #include "file-stat.h"
4732
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
jwe
parents: 4661
diff changeset
44 #include "lo-mappers.h"
1651
e846e361a265 [project @ 1995-12-20 06:59:12 by jwe]
jwe
parents: 1618
diff changeset
45 #include "oct-cmplx.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2909
diff changeset
46 #include "oct-env.h"
3040
443851377f3f [project @ 1997-06-06 09:29:28 by jwe]
jwe
parents: 3014
diff changeset
47 #include "pathsearch.h"
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
48 #include "str-vec.h"
1651
e846e361a265 [project @ 1995-12-20 06:59:12 by jwe]
jwe
parents: 1618
diff changeset
49
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
50 #include "Cell.h"
2492
06595bc7f2d0 [project @ 1996-11-09 00:13:50 by jwe]
jwe
parents: 2442
diff changeset
51 #include <defaults.h>
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
52 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
53 #include "dirfns.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
54 #include "error.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
55 #include "gripes.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
56 #include "input.h"
10502
f13bf183a003 isvarname: keywords are not valid variable names
Judd Storrs <jstorrs@gmail.com>
parents: 10315
diff changeset
57 #include "lex.h"
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
58 #include "load-path.h"
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
59 #include "oct-errno.h"
1742
a02f140ed897 [project @ 1996-01-12 11:09:39 by jwe]
jwe
parents: 1728
diff changeset
60 #include "oct-hist.h"
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
61 #include "oct-obj.h"
10613
e103fb2182ce use internal variable instead of warning state to control whether to allow non-integer ranges as indices
John W. Eaton <jwe@octave.org>
parents: 10605
diff changeset
62 #include "ov-range.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
63 #include "pager.h"
10605
1834132fb50b allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents: 10502
diff changeset
64 #include "parse.h"
1690
a38bd8df9d33 [project @ 1996-01-05 21:36:24 by jwe]
jwe
parents: 1670
diff changeset
65 #include "sysdep.h"
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
66 #include "toplev.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
67 #include "unwind-prot.h"
1352
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
68 #include "utils.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe]
jwe
parents: 1350
diff changeset
69 #include "variables.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
70
4143
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
71 // Return TRUE if S is a valid identifier.
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
72
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
73 bool
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
74 valid_identifier (const char *s)
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
75 {
5290
41273fff034d [project @ 2005-04-21 14:46:50 by jwe]
jwe
parents: 5275
diff changeset
76 if (! s || ! (isalpha (*s) || *s == '_' || *s == '$'))
4143
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
77 return false;
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
78
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
79 while (*++s != '\0')
5290
41273fff034d [project @ 2005-04-21 14:46:50 by jwe]
jwe
parents: 5275
diff changeset
80 if (! (isalnum (*s) || *s == '_' || *s == '$'))
4143
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
81 return false;
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
82
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
83 return true;
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
84 }
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
85
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
86 bool
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
87 valid_identifier (const std::string& s)
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
88 {
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
89 return valid_identifier (s.c_str ());
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
90 }
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
jwe
parents: 4135
diff changeset
91
8746
5dd06f19e9be handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents: 8715
diff changeset
92 DEFUN (isvarname, args, ,
5040
b6ff3a0d3d17 [project @ 2004-09-27 13:50:01 by jwe]
jwe
parents: 4783
diff changeset
93 "-*- texinfo -*-\n\
b6ff3a0d3d17 [project @ 2004-09-27 13:50:01 by jwe]
jwe
parents: 4783
diff changeset
94 @deftypefn {Built-in Function} {} isvarname (@var{name})\n\
4264
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
95 Return true if @var{name} is a valid variable name\n\
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
96 @end deftypefn")
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
97 {
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
98 octave_value retval;
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
99
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
100 int argc = args.length () + 1;
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
101
4610
02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe]
jwe
parents: 4564
diff changeset
102 string_vector argv = args.make_argv ("isvarname");
4264
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
103
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
104 if (error_state)
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
105 return retval;
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
106
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
107 if (argc == 2)
10502
f13bf183a003 isvarname: keywords are not valid variable names
Judd Storrs <jstorrs@gmail.com>
parents: 10315
diff changeset
108 retval = valid_identifier (argv[1]) && ! is_keyword (argv[1]);
4264
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
109 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
110 print_usage ();
4264
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
111
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
112 return retval;
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
113 }
4e2d2516da22 [project @ 2003-01-03 05:30:34 by jwe]
jwe
parents: 4254
diff changeset
114
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
115 // Return TRUE if F and G are both names for the same file.
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
116
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
117 bool
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
118 same_file (const std::string& f, const std::string& g)
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
119 {
6598
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
jwe
parents: 6379
diff changeset
120 return same_file_internal (f, g);
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
121 }
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6144
diff changeset
122
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
123 int
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
124 almost_match (const std::string& std, const std::string& s, int min_match_len,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
125 int case_sens)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
126 {
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
127 int stdlen = std.length ();
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
128 int slen = s.length ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
129
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
130 return (slen <= stdlen
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
131 && slen >= min_match_len
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
132 && (case_sens
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
133 ? (strncmp (std.c_str (), s.c_str (), slen) == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
134 : (octave_strncasecmp (std.c_str (), s.c_str (), slen) == 0)));
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
135 }
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
136
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
137 // Ugh.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
138
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
139 int
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
140 keyword_almost_match (const char * const *std, int *min_len, const std::string& s,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
141 int min_toks_to_match, int max_toks)
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
142 {
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
143 int status = 0;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
144 int tok_count = 0;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
145 int toks_matched = 0;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
146
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
147 if (s.empty () || max_toks < 1)
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
148 return status;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
149
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
150 char *kw = strsave (s.c_str ());
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
151
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
152 char *t = kw;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
153 while (*t != '\0')
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
154 {
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
155 if (*t == '\t')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
156 *t = ' ';
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
157 t++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
158 }
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
159
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
160 char *beg = kw;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
161 while (*beg == ' ')
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
162 beg++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
163
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
164 if (*beg == '\0')
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
165 return status;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
166
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
167
3072
ca9677cdb62e [project @ 1997-07-15 02:45:42 by jwe]
jwe
parents: 3065
diff changeset
168 const char **to_match = new const char * [max_toks + 1];
ca9677cdb62e [project @ 1997-07-15 02:45:42 by jwe]
jwe
parents: 3065
diff changeset
169 const char * const *s1 = std;
ca9677cdb62e [project @ 1997-07-15 02:45:42 by jwe]
jwe
parents: 3065
diff changeset
170 const char **s2 = to_match;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
171
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
172 if (! s1 || ! s2)
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
173 goto done;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
174
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
175 s2[tok_count] = beg;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
176 char *end;
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
177 while ((end = strchr (beg, ' ')) != 0)
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
178 {
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
179 *end = '\0';
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
180 beg = end + 1;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
181
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
182 while (*beg == ' ')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
183 beg++;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
184
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
185 if (*beg == '\0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
186 break;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
187
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
188 tok_count++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
189 if (tok_count >= max_toks)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
190 goto done;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
191
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
192 s2[tok_count] = beg;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
193 }
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
194 s2[tok_count+1] = 0;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
195
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
196 s2 = to_match;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
197
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
198 for (;;)
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
199 {
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
200 if (! almost_match (*s1, *s2, min_len[toks_matched], 0))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
201 goto done;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
202
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
203 toks_matched++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
204
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
205 s1++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
206 s2++;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
207
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
208 if (! *s2)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
209 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
210 status = (toks_matched >= min_toks_to_match);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
211 goto done;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
212 }
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
213
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
214 if (! *s1)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
215 goto done;
287
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
216 }
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
217
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
218 done:
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
219
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
220 delete [] kw;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
221 delete [] to_match;
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
222
6027a905fc06 [project @ 1994-01-13 01:41:00 by jwe]
jwe
parents: 278
diff changeset
223 return status;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
224 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
225
2234
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
226 // Return non-zero if either NR or NC is zero. Return -1 if this
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
227 // should be considered fatal; return 1 if this is ok.
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
228
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
229 int
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
230 empty_arg (const char * /* name */, octave_idx_type nr, octave_idx_type nc)
2234
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
231 {
4478
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
232 return (nr == 0 || nc == 0);
2234
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
233 }
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe]
jwe
parents: 2233
diff changeset
234
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
235 // See if the given file is in the path.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
236
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
237 std::string
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
238 search_path_for_file (const std::string& path, const string_vector& names)
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
239 {
3174
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe]
jwe
parents: 3105
diff changeset
240 dir_path p (path);
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
241
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
242 return octave_env::make_absolute (p.find_first_of (names));
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
243 }
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
244
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
245 // Find all locations of the given file in the path.
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
246
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
247 string_vector
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
248 search_path_for_all_files (const std::string& path, const string_vector& names)
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
249 {
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
250 dir_path p (path);
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
251
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
252 string_vector sv = p.find_all_first_of (names);
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
253
6379
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
254 octave_idx_type len = sv.length ();
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
255
6379
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
256 for (octave_idx_type i = 0; i < len; i++)
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
257 sv[i] = octave_env::make_absolute (sv[i]);
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
258
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
259 return sv;
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
260 }
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
261
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
262 static string_vector
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
263 make_absolute (const string_vector& sv)
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
264 {
6379
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
265 octave_idx_type len = sv.length ();
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
266
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
267 string_vector retval (len);
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
268
6379
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
269 for (octave_idx_type i = 0; i < len; i++)
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
270 retval[i] = octave_env::make_absolute (sv[i]);
6379
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
271
41c1deed5613 [project @ 2007-03-02 18:43:20 by jwe]
jwe
parents: 6323
diff changeset
272 return retval;
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
273 }
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
274
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
275 DEFUN (file_in_loadpath, args, ,
3446
5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe]
jwe
parents: 3419
diff changeset
276 "-*- texinfo -*-\n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
277 @deftypefn {Built-in Function} {} file_in_loadpath (@var{file})\n\
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
278 @deftypefnx {Built-in Function} {} file_in_loadpath (@var{file}, \"all\")\n\
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
279 \n\
5448
ebe5d7d15522 [project @ 2005-09-14 18:55:04 by jwe]
jwe
parents: 5307
diff changeset
280 Return the absolute name of @var{file} if it can be found in\n\
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5794
diff changeset
281 the list of directories specified by @code{path}.\n\
10646
6c50b56824aa file_in_path, file_in_loadpath: return empty string instead of empty matrix if file not found
John W. Eaton <jwe@octave.org>
parents: 10613
diff changeset
282 If no file is found, return an empty character string.\n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
283 \n\
5448
ebe5d7d15522 [project @ 2005-09-14 18:55:04 by jwe]
jwe
parents: 5307
diff changeset
284 If the first argument is a cell array of strings, search each\n\
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
285 directory of the loadpath for element of the cell array and return\n\
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
286 the first that matches.\n\
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
287 \n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
288 If the second optional argument @code{\"all\"} is supplied, return\n\
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
289 a cell array containing the list of all files that have the same\n\
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
290 name in the path. If no files are found, return an empty cell array.\n\
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5794
diff changeset
291 @seealso{file_in_path, path}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5612
diff changeset
292 @end deftypefn")
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
293 {
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
294 octave_value retval;
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
295
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
296 int nargin = args.length ();
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
297
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
298 if (nargin == 1 || nargin == 2)
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
299 {
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
300 string_vector names = args(0).all_strings ();
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
301
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
302 if (! error_state && names.length () > 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
303 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
304 if (nargin == 1)
10646
6c50b56824aa file_in_path, file_in_loadpath: return empty string instead of empty matrix if file not found
John W. Eaton <jwe@octave.org>
parents: 10613
diff changeset
305 retval = octave_env::make_absolute (load_path::find_first_of (names));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
306 else if (nargin == 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
307 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
308 std::string opt = args(1).string_value ();
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
309
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
310 if (! error_state && opt == "all")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
311 retval = Cell (make_absolute
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
312 (load_path::find_all_first_of (names)));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
313 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
314 error ("file_in_loadpath: invalid option");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
315 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
316 }
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
317 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
318 error ("file_in_loadpath: expecting string as first argument");
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
319 }
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
320 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
321 print_usage ();
3195
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
322
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
323 return retval;
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
324 }
7a5a5da64756 [project @ 1998-10-28 22:54:04 by jwe]
jwe
parents: 3174
diff changeset
325
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
326 DEFUN (file_in_path, args, ,
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
327 "-*- texinfo -*-\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
328 @deftypefn {Built-in Function} {} file_in_path (@var{path}, @var{file})\n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
329 @deftypefnx {Built-in Function} {} file_in_path (@var{path}, @var{file}, \"all\")\n\
5448
ebe5d7d15522 [project @ 2005-09-14 18:55:04 by jwe]
jwe
parents: 5307
diff changeset
330 Return the absolute name of @var{file} if it can be found in\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
331 @var{path}. The value of @var{path} should be a colon-separated list of\n\
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5794
diff changeset
332 directories in the format described for @code{path}. If no file\n\
10646
6c50b56824aa file_in_path, file_in_loadpath: return empty string instead of empty matrix if file not found
John W. Eaton <jwe@octave.org>
parents: 10613
diff changeset
333 is found, return an empty character string. For example,\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
334 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
335 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8929
diff changeset
336 @group\n\
5456
f315234695b1 [project @ 2005-09-19 19:02:41 by jwe]
jwe
parents: 5448
diff changeset
337 file_in_path (EXEC_PATH, \"sh\")\n\
f315234695b1 [project @ 2005-09-19 19:02:41 by jwe]
jwe
parents: 5448
diff changeset
338 @result{} \"/bin/sh\"\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8929
diff changeset
339 @end group\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
340 @end example\n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
341 \n\
5448
ebe5d7d15522 [project @ 2005-09-14 18:55:04 by jwe]
jwe
parents: 5307
diff changeset
342 If the second argument is a cell array of strings, search each\n\
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
343 directory of the path for element of the cell array and return\n\
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
344 the first that matches.\n\
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
345 \n\
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
346 If the third optional argument @code{\"all\"} is supplied, return\n\
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
347 a cell array containing the list of all files that have the same\n\
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
348 name in the path. If no files are found, return an empty cell array.\n\
4249
8a1ef8fe4036 [project @ 2002-12-31 04:42:32 by jwe]
jwe
parents: 4243
diff changeset
349 @seealso{file_in_loadpath}\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3225
diff changeset
350 @end deftypefn")
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
351 {
4216
e613ffa9f0e6 [project @ 2002-12-04 17:37:09 by jwe]
jwe
parents: 4212
diff changeset
352 octave_value retval;
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
353
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
354 int nargin = args.length ();
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
355
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
356 if (nargin == 2 || nargin == 3)
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
357 {
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
358 std::string path = args(0).string_value ();
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
359
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
360 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
361 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
362 string_vector names = args(1).all_strings ();
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
363
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
364 if (! error_state && names.length () > 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
365 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
366 if (nargin == 2)
10646
6c50b56824aa file_in_path, file_in_loadpath: return empty string instead of empty matrix if file not found
John W. Eaton <jwe@octave.org>
parents: 10613
diff changeset
367 retval = search_path_for_file (path, names);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
368 else if (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
369 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
370 std::string opt = args(2).string_value ();
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4233
diff changeset
371
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
372 if (! error_state && opt == "all")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
373 retval = Cell (make_absolute
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
374 (search_path_for_all_files (path, names)));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
375 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
376 error ("file_in_path: invalid option");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
377 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
378 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
379 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
380 error ("file_in_path: expecting string as second argument");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
381 }
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
382 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
383 error ("file_in_path: expecting string as first argument");
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
384 }
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
385 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
386 print_usage ();
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
387
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
388 return retval;
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
389 }
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
390
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
391 std::string
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
392 file_in_path (const std::string& name, const std::string& suffix)
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
393 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
394 std::string nm = name;
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
395
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
396 if (! suffix.empty ())
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
397 nm.append (suffix);
686
0faebdd7df57 [project @ 1994-09-09 21:09:24 by jwe]
jwe
parents: 679
diff changeset
398
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
399 return octave_env::make_absolute (load_path::find_file (nm));
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
400 }
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
401
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
402 // See if there is an function file in the path. If so, return the
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
403 // full path to the file.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
404
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
405 std::string
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
406 fcn_file_in_path (const std::string& name)
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
407 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
408 std::string retval;
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
409
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
410 int len = name.length ();
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
411
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
412 if (len > 0)
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
413 {
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
414 if (octave_env::absolute_pathname (name))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
415 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
416 file_stat fs (name);
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
417
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
418 if (fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
419 retval = name;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
420 }
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
421 else if (len > 2 && name [len - 2] == '.' && name [len - 1] == 'm')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
422 retval = load_path::find_fcn_file (name.substr (0, len-2));
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
423 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
424 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
425 std::string fname = name;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
426 size_t pos = name.find_first_of (Vfilemarker);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
427 if (pos != std::string::npos)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
428 fname = name.substr (0, pos);
7818
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
429
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
430 retval = load_path::find_fcn_file (fname);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
431 }
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
432 }
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
433
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
434 return retval;
526
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
435 }
a01a9db8ab69 [project @ 1994-07-20 18:46:24 by jwe]
jwe
parents: 478
diff changeset
436
8041
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
437 // See if there is a directory called "name" in the path and if it
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
438 // contains a Contents.m file return the full path to this file.
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
439
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
440 std::string
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
441 contents_file_in_path (const std::string& dir)
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
442 {
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
443 std::string retval;
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
444
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
445 if (dir.length () > 0)
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
446 {
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
447 std::string tcontents = file_ops::concat (load_path::find_dir (dir),
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
448 std::string ("Contents.m"));
8041
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
449
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
450 file_stat fs (tcontents);
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
451
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
452 if (fs.exists ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
453 retval = octave_env::make_absolute (tcontents);
8041
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
454 }
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
455
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
456 return retval;
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
457 }
a14bdf90be55 Add a search for Contents.m files to the help function
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
458
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
459 // See if there is a .oct file in the path. If so, return the
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
460 // full path to the file.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
461
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
462 std::string
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
463 oct_file_in_path (const std::string& name)
572
94fd73d1a0bc [project @ 1994-07-28 05:35:47 by jwe]
jwe
parents: 571
diff changeset
464 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
465 std::string retval;
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
466
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
467 int len = name.length ();
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
468
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
469 if (len > 0)
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
470 {
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
471 if (octave_env::absolute_pathname (name))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
472 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
473 file_stat fs (name);
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
474
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
475 if (fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
476 retval = name;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
477 }
5832
5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe]
jwe
parents: 5823
diff changeset
478 else if (len > 4 && name [len - 4] == '.' && name [len - 3] == 'o'
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
479 && name [len - 2] == 'c' && name [len - 1] == 't')
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
480 retval = load_path::find_oct_file (name.substr (0, len-4));
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
481 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
482 retval = load_path::find_oct_file (name);
908
efb4cbdaac26 [project @ 1994-11-09 23:03:37 by jwe]
jwe
parents: 826
diff changeset
483 }
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
484
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
485 return retval;
572
94fd73d1a0bc [project @ 1994-07-28 05:35:47 by jwe]
jwe
parents: 571
diff changeset
486 }
94fd73d1a0bc [project @ 1994-07-28 05:35:47 by jwe]
jwe
parents: 571
diff changeset
487
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
488 // See if there is a .mex file in the path. If so, return the
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
489 // full path to the file.
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
490
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
491 std::string
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
492 mex_file_in_path (const std::string& name)
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
493 {
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
494 std::string retval;
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
495
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
496 int len = name.length ();
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
497
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
498 if (len > 0)
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
499 {
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
500 if (octave_env::absolute_pathname (name))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
501 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
502 file_stat fs (name);
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
503
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
504 if (fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
505 retval = name;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
506 }
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
507 else if (len > 4 && name [len - 4] == '.' && name [len - 3] == 'm'
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
508 && name [len - 2] == 'e' && name [len - 1] == 'x')
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
509 retval = load_path::find_mex_file (name.substr (0, len-4));
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
510 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
511 retval = load_path::find_mex_file (name);
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
512 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
513
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
514 return retval;
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
515 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5832
diff changeset
516
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
517 // Replace backslash escapes in a string with the real values.
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
518
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
519 std::string
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
520 do_string_escapes (const std::string& s)
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
521 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
522 std::string retval;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
523
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
524 size_t i = 0;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
525 size_t j = 0;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
526 size_t len = s.length ();
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
527
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
528 retval.resize (len);
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
529
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
530 while (j < len)
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
531 {
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
532 if (s[j] == '\\' && j+1 < len)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
533 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
534 switch (s[++j])
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
535 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
536 case '0':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
537 retval[i] = '\0';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
538 break;
3893
abd8659eea11 [project @ 2002-04-09 21:36:31 by jwe]
jwe
parents: 3879
diff changeset
539
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
540 case 'a':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
541 retval[i] = '\a';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
542 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
543
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
544 case 'b': // backspace
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
545 retval[i] = '\b';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
546 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
547
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
548 case 'f': // formfeed
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
549 retval[i] = '\f';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
550 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
551
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
552 case 'n': // newline
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
553 retval[i] = '\n';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
554 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
555
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
556 case 'r': // carriage return
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
557 retval[i] = '\r';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
558 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
559
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
560 case 't': // horizontal tab
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
561 retval[i] = '\t';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
562 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
563
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
564 case 'v': // vertical tab
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
565 retval[i] = '\v';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
566 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
567
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
568 case '\\': // backslash
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
569 retval[i] = '\\';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
570 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
571
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
572 case '\'': // quote
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
573 retval[i] = '\'';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
574 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
575
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
576 case '"': // double quote
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
577 retval[i] = '"';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
578 break;
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
579
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
580 default:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
581 warning ("unrecognized escape sequence `\\%c' --\
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
582 converting to `%c'", s[j], s[j]);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
583 retval[i] = s[j];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
584 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
585 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
586 }
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
587 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
588 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
589 retval[i] = s[j];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
590 }
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
591
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
592 i++;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
593 j++;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
594 }
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
595
3105
f936c7f5074f [project @ 1997-11-19 04:36:17 by jwe]
jwe
parents: 3103
diff changeset
596 retval.resize (i);
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
597
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
598 return retval;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
599 }
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
600
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
601 DEFUN (do_string_escapes, args, ,
3446
5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe]
jwe
parents: 3419
diff changeset
602 "-*- texinfo -*-\n\
5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe]
jwe
parents: 3419
diff changeset
603 @deftypefn {Built-in Function} {} do_string_escapes (@var{string})\n\
5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe]
jwe
parents: 3419
diff changeset
604 Convert special characters in @var{string} to their escaped forms.\n\
5ee5afb3981a [project @ 2000-01-17 09:42:43 by jwe]
jwe
parents: 3419
diff changeset
605 @end deftypefn")
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
606 {
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
607 octave_value retval;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
608
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
609 int nargin = args.length ();
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
610
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
611 if (nargin == 1)
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
612 {
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
613 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
614 retval = do_string_escapes (args(0).string_value ());
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
615 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
616 error ("do_string_escapes: argument must be a string");
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
617 }
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
618 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
619 print_usage ();
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
620
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
621 return retval;
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
622 }
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
623
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
624 const char *
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
625 undo_string_escape (char c)
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
626 {
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
627 if (! c)
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
628 return "";
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
629
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
630 switch (c)
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
631 {
3893
abd8659eea11 [project @ 2002-04-09 21:36:31 by jwe]
jwe
parents: 3879
diff changeset
632 case '\0':
abd8659eea11 [project @ 2002-04-09 21:36:31 by jwe]
jwe
parents: 3879
diff changeset
633 return "\\0";
abd8659eea11 [project @ 2002-04-09 21:36:31 by jwe]
jwe
parents: 3879
diff changeset
634
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
635 case '\a':
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
636 return "\\a";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
637
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
638 case '\b': // backspace
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
639 return "\\b";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
640
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
641 case '\f': // formfeed
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
642 return "\\f";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
643
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
644 case '\n': // newline
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
645 return "\\n";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
646
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
647 case '\r': // carriage return
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
648 return "\\r";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
649
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
650 case '\t': // horizontal tab
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
651 return "\\t";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
652
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
653 case '\v': // vertical tab
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
654 return "\\v";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
655
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
656 case '\\': // backslash
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
657 return "\\\\";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
658
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
659 case '"': // double quote
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
660 return "\\\"";
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
661
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
662 default:
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
663 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
664 static char retval[2];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
665 retval[0] = c;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
666 retval[1] = '\0';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
667 return retval;
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
668 }
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
669 }
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
670 }
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
671
3536
e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe]
jwe
parents: 3534
diff changeset
672 std::string
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
673 undo_string_escapes (const std::string& s)
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
674 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
675 std::string retval;
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
676
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
677 for (size_t i = 0; i < s.length (); i++)
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
678 retval.append (undo_string_escape (s[i]));
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
679
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
680 return retval;
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
681 }
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
682
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
683 DEFUN (undo_string_escapes, args, ,
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
684 "-*- texinfo -*-\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
685 @deftypefn {Built-in Function} {} undo_string_escapes (@var{s})\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
686 Converts special characters in strings back to their escaped forms. For\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
687 example, the expression\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
688 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
689 @example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
690 bell = \"\\a\";\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
691 @end example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
692 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
693 @noindent\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
694 assigns the value of the alert character (control-g, ASCII code 7) to\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
695 the string variable @code{bell}. If this string is printed, the\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
696 system will ring the terminal bell (if it is possible). This is\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
697 normally the desired outcome. However, sometimes it is useful to be\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
698 able to print the original representation of the string, with the\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
699 special characters replaced by their escape sequences. For example,\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
700 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
701 @example\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8929
diff changeset
702 @group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
703 octave:13> undo_string_escapes (bell)\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
704 ans = \\a\n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 8929
diff changeset
705 @end group\n\
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
706 @end example\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
707 \n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
708 @noindent\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
709 replaces the unprintable alert character with its printable\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
710 representation.\n\
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3354
diff changeset
711 @end deftypefn")
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
712 {
2086
bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe]
jwe
parents: 2010
diff changeset
713 octave_value retval;
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
714
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
715 int nargin = args.length ();
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
716
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
717 if (nargin == 1)
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
718 {
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
719 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
720 retval = undo_string_escapes (args(0).string_value ());
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
721 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
722 error ("undo_string_escapes: argument must be a string");
3103
98d862e12945 [project @ 1997-11-18 10:46:30 by jwe]
jwe
parents: 3072
diff changeset
723 }
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
724 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
725 print_usage ();
801
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
726
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
727 return retval;
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
728 }
cbc37d8d0fdf [project @ 1994-10-13 17:03:23 by jwe]
jwe
parents: 738
diff changeset
729
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
730 DEFUN (is_absolute_filename, args, ,
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
731 "-*- texinfo -*-\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
732 @deftypefn {Built-in Function} {} is_absolute_filename (@var{file})\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
733 Return true if @var{file} is an absolute filename.\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
734 @end deftypefn")
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
735 {
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
736 octave_value retval = false;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
737
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
738 if (args.length () == 1)
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
739 retval = (args(0).is_string ()
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
740 && octave_env::absolute_pathname (args(0).string_value ()));
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
741 else
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
742 print_usage ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
743
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
744 return retval;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
745 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
746
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
747 DEFUN (is_rooted_relative_filename, args, ,
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
748 "-*- texinfo -*-\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
749 @deftypefn {Built-in Function} {} is_rooted_relative_filename (@var{file})\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
750 Return true if @var{file} is a rooted-relative filename.\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
751 @end deftypefn")
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
752 {
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
753 octave_value retval = false;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
754
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
755 if (args.length () == 1)
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
756 retval = (args(0).is_string ()
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
757 && octave_env::rooted_relative_pathname (args(0).string_value ()));
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
758 else
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
759 print_usage ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
760
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
761 return retval;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
762 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
763
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
764 DEFUN (make_absolute_filename, args, ,
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
765 "-*- texinfo -*-\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
766 @deftypefn {Built-in Function} {} make_absolute_filename (@var{file})\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
767 Return the full name of @var{file}, relative to the current directory.\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
768 @end deftypefn")
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
769 {
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
770 octave_value retval = std::string ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
771
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
772 if (args.length () == 1)
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
773 {
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
774 std::string nm = args(0).string_value ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
775
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
776 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
777 retval = octave_env::make_absolute (nm);
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
778 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
779 error ("make_absolute_filename: expecting argument to be a file name");
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
780 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
781 else
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
782 print_usage ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
783
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
784 return retval;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
785 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
786
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
787 DEFUN (find_dir_in_path, args, ,
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
788 "-*- texinfo -*-\n\
9806
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
789 @deftypefn {Built-in Function} {} find_dir_in_path (@var{dir}, \"all\")\n\
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
790 Return the full name of the path element matching @var{dir}. The\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
791 match is performed at the end of each path element. For example, if\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
792 @var{dir} is @code{\"foo/bar\"}, it matches the path element\n\
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
793 @code{\"/some/dir/foo/bar\"}, but not @code{\"/some/dir/foo/bar/baz\"}\n\
8715
954b6f69f51d doc fixes
John W. Eaton <jwe@octave.org>
parents: 8229
diff changeset
794 or @code{\"/some/dir/allfoo/bar\"}.\n\
9806
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
795 \n\
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
796 The second argument is optional. If it is supplied, return a cell array\n\
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
797 containing all the directory names that match.\n\
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
798 @end deftypefn")
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
799 {
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
800 octave_value retval = std::string ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
801
9806
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
802 int nargin = args.length ();
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
803
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
804 std::string dir;
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
805
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
806 if (nargin == 1 || nargin == 2)
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
807 {
9806
8e345f2fe4d6 improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
808 dir = args(0).string_value ();
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
809
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
810 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
811 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
812 if (nargin == 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
813 retval = load_path::find_dir (dir);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
814 else if (nargin == 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
815 retval = Cell (load_path::find_matching_dirs (dir));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
816 }
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
817 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
818 error ("find_dir_in_path: expecting argument to be a directory name");
8229
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
819 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
820 else
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
821 print_usage ();
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
822
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
823 return retval;
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
824 }
1bf51192fa1d imported patch rundemos
John W. Eaton <jwe@octave.org>
parents: 8041
diff changeset
825
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
826 DEFUNX ("errno", Ferrno, args, ,
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
827 "-*- texinfo -*-\n\
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
828 @deftypefn {Built-in Function} {@var{err} =} errno ()\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
829 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{val})\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
830 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{name})\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
831 Return the current value of the system-dependent variable errno,\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
832 set its value to @var{val} and return the previous value, or return\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
833 the named error code given @var{name} as a character string, or -1\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
834 if @var{name} is not found.\n\
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
835 @end deftypefn")
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
836 {
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
837 octave_value retval;
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
838
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
839 int nargin = args.length ();
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
840
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
841 if (nargin == 1)
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
842 {
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
843 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
844 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
845 std::string nm = args(0).string_value ();
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
846
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
847 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
848 retval = octave_errno::lookup (nm);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
849 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
850 error ("errno: expecting character string argument");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
851 }
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
852 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
853 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
854 int val = args(0).int_value ();
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
855
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
856 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
857 retval = octave_errno::set (val);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
858 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
859 error ("errno: expecting integer argument");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
860 }
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
861 }
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
862 else if (nargin == 0)
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
863 retval = octave_errno::get ();
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
864 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
865 print_usage ();
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
866
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
867 return retval;
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
868 }
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
869
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
870 DEFUN (errno_list, args, ,
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
871 "-*- texinfo -*-\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
872 @deftypefn {Built-in Function} {} errno_list ()\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
873 Return a structure containing the system-dependent errno values.\n\
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
874 @end deftypefn")
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
875 {
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
876 octave_value retval;
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
877
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
878 if (args.length () == 0)
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
879 retval = octave_errno::list ();
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
880 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5814
diff changeset
881 print_usage ();
5465
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
882
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
883 return retval;
d6163c0effd5 [project @ 2005-09-23 15:42:48 by jwe]
jwe
parents: 5458
diff changeset
884 }
3716
08fe5f74c7d4 [project @ 2000-09-07 04:59:03 by jwe]
jwe
parents: 3622
diff changeset
885
2285
3e0a2661f0a0 [project @ 1996-05-29 02:29:25 by jwe]
jwe
parents: 2234
diff changeset
886 static void
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
887 check_dimensions (octave_idx_type& nr, octave_idx_type& nc, const char *warnfor)
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
888 {
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
889 if (nr < 0 || nc < 0)
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
890 {
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
891 warning_with_id ("Octave:neg-dim-as-zero",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
892 "%s: converting negative dimension to zero", warnfor);
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
893
4457
d7d9ca19960a [project @ 2003-07-11 03:05:38 by jwe]
jwe
parents: 4351
diff changeset
894 nr = (nr < 0) ? 0 : nr;
d7d9ca19960a [project @ 2003-07-11 03:05:38 by jwe]
jwe
parents: 4351
diff changeset
895 nc = (nc < 0) ? 0 : nc;
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
896 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
897 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
898
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
899 void
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4485
diff changeset
900 check_dimensions (dim_vector& dim, const char *warnfor)
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
901 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
902 bool neg = false;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
903
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
904 for (int i = 0; i < dim.length (); i++)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
905 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
906 if (dim(i) < 0)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
907 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
908 dim(i) = 0;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
909 neg = true;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
910 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
911 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
912
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
913 if (neg)
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
914 warning_with_id ("Octave:neg-dim-as-zero",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
915 "%s: converting negative dimension to zero", warnfor);
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
916 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
917
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
918
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
919 void
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
920 get_dimensions (const octave_value& a, const char *warn_for,
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4485
diff changeset
921 dim_vector& dim)
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
922 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
923 if (a.is_scalar_type ())
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
924 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
925 dim.resize (2);
4732
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
jwe
parents: 4661
diff changeset
926 dim(0) = a.int_value ();
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
927 dim(1) = dim(0);
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
928 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
929 else
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
930 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
931 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
932 octave_idx_type nc = a.columns ();
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
933
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
934 if (nr == 1 || nc == 1)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
935 {
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
936 Array<double> v = a.vector_value ();
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
937
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
938 if (error_state)
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
939 return;
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
940
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
941 octave_idx_type n = v.length ();
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
942 dim.resize (n);
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
943 for (octave_idx_type i = 0; i < n; i++)
4783
55975a3073be [project @ 2004-02-17 17:16:37 by jwe]
jwe
parents: 4732
diff changeset
944 dim(i) = static_cast<int> (fix (v(i)));
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
945 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
946 else
5257
d957f0ef5aa3 [project @ 2005-03-29 19:08:34 by jwe]
jwe
parents: 5040
diff changeset
947 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for);
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
948 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
949
5258
60999c752276 [project @ 2005-03-29 19:35:34 by jwe]
jwe
parents: 5257
diff changeset
950 if (! error_state)
60999c752276 [project @ 2005-03-29 19:35:34 by jwe]
jwe
parents: 5257
diff changeset
951 check_dimensions (dim, warn_for); // May set error_state.
4481
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
952 }
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
953
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
954
cfbaee1f562f [project @ 2003-08-06 13:56:07 by jwe]
jwe
parents: 4478
diff changeset
955 void
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
956 get_dimensions (const octave_value& a, const char *warn_for,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
957 octave_idx_type& nr, octave_idx_type& nc)
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
958 {
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
959 if (a.is_scalar_type ())
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
960 {
4732
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
jwe
parents: 4661
diff changeset
961 nr = nc = a.int_value ();
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
962 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
963 else
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
964 {
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
965 nr = a.rows ();
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
966 nc = a.columns ();
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
967
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
968 if ((nr == 1 && nc == 2) || (nr == 2 && nc == 1))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
969 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
970 Array<double> v = a.vector_value ();
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
971
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
972 if (error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
973 return;
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
974
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
975 nr = static_cast<octave_idx_type> (fix (v (0)));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
976 nc = static_cast<octave_idx_type> (fix (v (1)));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
977 }
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
978 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
979 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for);
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
980 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
981
5258
60999c752276 [project @ 2005-03-29 19:35:34 by jwe]
jwe
parents: 5257
diff changeset
982 if (! error_state)
60999c752276 [project @ 2005-03-29 19:35:34 by jwe]
jwe
parents: 5257
diff changeset
983 check_dimensions (nr, nc, warn_for); // May set error_state.
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
984 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
985
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
986 void
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
987 get_dimensions (const octave_value& a, const octave_value& b,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
988 const char *warn_for, octave_idx_type& nr, octave_idx_type& nc)
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
989 {
4732
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
jwe
parents: 4661
diff changeset
990 nr = a.is_empty () ? 0 : a.int_value ();
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
jwe
parents: 4661
diff changeset
991 nc = b.is_empty () ? 0 : b.int_value ();
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
992
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
993 if (error_state)
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
994 error ("%s: expecting two scalar arguments", warn_for);
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
995 else
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
996 check_dimensions (nr, nc, warn_for); // May set error_state.
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
997 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3350
diff changeset
998
9705
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
999 octave_idx_type
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1000 dims_to_numel (const dim_vector& dims, const octave_value_list& idx)
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1001 {
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1002 octave_idx_type retval;
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1003
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1004 octave_idx_type len = idx.length ();
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1005
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1006 if (len == 0)
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1007 retval = dims.numel ();
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1008 else
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1009 {
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1010 const dim_vector dv = dims.redim (len);
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1011 retval = 1;
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1012 for (octave_idx_type i = 0; i < len; i++)
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1013 {
9842
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1014 octave_value idxi = idx(i);
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1015 if (idxi.is_magic_colon ())
9705
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1016 retval *= dv(i);
9842
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1017 else if (idxi.is_numeric_type ())
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1018 retval *= idxi.numel ();
9705
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1019 else
9842
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1020 {
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1021 idx_vector jdx = idxi.index_vector ();
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1022 if (error_state)
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1023 break;
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1024 retval *= jdx.length (dv(i));
10519b4d6507 fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents: 9806
diff changeset
1025 }
9705
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1026 }
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1027 }
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1028
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1029 return retval;
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1030 }
5acd99c3e794 avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9487
diff changeset
1031
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1032 void
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1033 decode_subscripts (const char* name, const octave_value& arg,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1034 std::string& type_string,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1035 std::list<octave_value_list>& idx)
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1036 {
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1037 Octave_map m = arg.map_value ();
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1038
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1039 if (! error_state
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1040 && m.nfields () == 2 && m.contains ("type") && m.contains ("subs"))
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1041 {
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1042 Cell& type = m.contents ("type");
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1043 Cell& subs = m.contents ("subs");
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1044
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1045 type_string = std::string (type.length(), '\0');
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1046
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1047 for (int k = 0; k < type.length (); k++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1048 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1049 std::string item = type(k).string_value ();
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1050
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1051 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1052 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1053 if (item == "{}")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1054 type_string[k] = '{';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1055 else if (item == "()")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1056 type_string[k] = '(';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1057 else if (item == ".")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1058 type_string[k] = '.';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1059 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1060 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1061 error("%s: invalid indexing type `%s'", name, item.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1062 return;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1063 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1064 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1065 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1066 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1067 error ("%s: expecting type(%d) to be a character string",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1068 name, k+1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1069 return;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1070 }
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1071
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1072 octave_value_list idx_item;
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1073
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1074 if (subs(k).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1075 idx_item(0) = subs(k);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1076 else if (subs(k).is_cell ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1077 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1078 Cell subs_cell = subs(k).cell_value ();
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1079
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1080 for (int n = 0; n < subs_cell.length (); n++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1081 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1082 if (subs_cell(n).is_string ()
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1083 && subs_cell(n).string_value () == ":")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1084 idx_item(n) = octave_value(octave_value::magic_colon_t);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1085 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1086 idx_item(n) = subs_cell(n);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1087 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1088 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1089 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1090 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1091 error ("%s: expecting subs(%d) to be a character string or cell array",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1092 name, k+1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1093 return;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1094 }
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1095
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1096 idx.push_back (idx_item);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1097 }
10033
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1098 }
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1099 else
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1100 error ("%s: second argument must be a structure with fields `type' and `subs'", name);
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1101 }
f349847c4541 optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
parents: 9842
diff changeset
1102
4478
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1103 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
1104 identity_matrix (octave_idx_type nr, octave_idx_type nc)
4478
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1105 {
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1106 Matrix m (nr, nc, 0.0);
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1107
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1108 if (nr > 0 && nc > 0)
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1109 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
1110 octave_idx_type n = std::min (nr, nc);
4478
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1111
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5258
diff changeset
1112 for (octave_idx_type i = 0; i < n; i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1113 m (i, i) = 1.0;
4478
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1114 }
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1115
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1116 return m;
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1117 }
7afd4bf05aa8 [project @ 2003-07-30 19:15:31 by jwe]
jwe
parents: 4457
diff changeset
1118
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1119 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1120 float_identity_matrix (octave_idx_type nr, octave_idx_type nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1121 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1122 FloatMatrix m (nr, nc, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1123
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1124 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1125 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1126 octave_idx_type n = std::min (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1127
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1128 for (octave_idx_type i = 0; i < n; i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1129 m (i, i) = 1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1130 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1131
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1132 return m;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1133 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7481
diff changeset
1134
8012
63dbb85452cc fix extern decls in .cc files
John W. Eaton <jwe@octave.org>
parents: 7818
diff changeset
1135 int
3622
52594f1c37b6 [project @ 2000-03-23 06:20:06 by jwe]
jwe
parents: 3621
diff changeset
1136 octave_format (std::ostream& os, const char *fmt, ...)
3620
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1137 {
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1138 int retval = -1;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1139
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1140 va_list args;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1141 va_start (args, fmt);
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1142
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1143 retval = octave_vformat (os, fmt, args);
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1144
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1145 va_end (args);
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1146
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1147 return retval;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1148 }
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1149
8012
63dbb85452cc fix extern decls in .cc files
John W. Eaton <jwe@octave.org>
parents: 7818
diff changeset
1150 int
3622
52594f1c37b6 [project @ 2000-03-23 06:20:06 by jwe]
jwe
parents: 3621
diff changeset
1151 octave_vformat (std::ostream& os, const char *fmt, va_list args)
3620
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1152 {
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1153 int retval = -1;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1154
3775
13905c3a24af [project @ 2001-02-06 01:56:59 by jwe]
jwe
parents: 3769
diff changeset
1155 #if defined (__GNUG__) && !CXX_ISO_COMPLIANT_LIBRARY
3620
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1156
4135
e865976c2084 [project @ 2002-10-30 01:32:43 by jwe]
jwe
parents: 4124
diff changeset
1157 std::streambuf *sb = os.rdbuf ();
e865976c2084 [project @ 2002-10-30 01:32:43 by jwe]
jwe
parents: 4124
diff changeset
1158
e865976c2084 [project @ 2002-10-30 01:32:43 by jwe]
jwe
parents: 4124
diff changeset
1159 if (sb)
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1160 {
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1161 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1162
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1163 retval = sb->vform (fmt, args);
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1164
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1165 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1166 }
3620
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1167
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1168 #else
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1169
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1170 char *s = octave_vsnprintf (fmt, args);
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1171
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1172 if (s)
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1173 {
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1174 os << s;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1175
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1176 retval = strlen (s);
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1177 }
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1178
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1179 #endif
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1180
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1181 return retval;
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1182 }
0886bbb236cb [project @ 2000-03-23 05:17:23 by jwe]
jwe
parents: 3566
diff changeset
1183
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1184 // We manage storage. User should not free it, and its contents are
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1185 // only valid until next call to vsnprintf.
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1186
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1187 // Interrupts might happen if someone makes a call with something that
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1188 // will require a very large buffer. If we are interrupted in that
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1189 // case, we should make the buffer size smaller for the next call.
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1190
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1191 #define BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_FOR_VSNPRINTF \
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1192 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_1; \
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1193 delete [] buf; \
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1194 buf = 0; \
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1195 size = initial_size; \
7481
78f3811155f7 use exceptions in liboctave error handler
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
1196 octave_rethrow_exception (); \
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1197 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_2
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1198
4485
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1199 #if defined __GNUC__ && defined __va_copy
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1200 #define SAVE_ARGS(saved_args, args) __va_copy (saved_args, args)
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1201 #elif defined va_copy
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1202 #define SAVE_ARGS(saved_args, args) va_copy (saved_args, args)
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1203 #else
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1204 #define SAVE_ARGS(saved_args, args) saved_args = args
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1205 #endif
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1206
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1207 char *
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1208 octave_vsnprintf (const char *fmt, va_list args)
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1209 {
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1210 static const size_t initial_size = 100;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1211
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1212 static size_t size = initial_size;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1213
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1214 static char *buf = 0;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1215
8929
379297a149f0 utils.cc (octave_vsnprintf): avoid uninitialized variable warning
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
1216 int nchars = 0;
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1217
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1218 if (! buf)
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1219 buf = new char [size];
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1220
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1221 if (! buf)
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1222 return 0;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1223
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1224 while (1)
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1225 {
4485
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1226 va_list saved_args;
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1227
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1228 SAVE_ARGS (saved_args, args);
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1229
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1230 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_FOR_VSNPRINTF;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1231
4485
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1232 nchars = octave_raw_vsnprintf (buf, size, fmt, saved_args);
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1233
bd3cfa59eb61 [project @ 2003-08-21 20:29:34 by jwe]
jwe
parents: 4482
diff changeset
1234 va_end (saved_args);
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1235
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1236 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1237
10257
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1238 if (nchars > -1 && nchars < size)
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1239 break;
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1240 else
10257
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1241 {
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1242 delete [] buf;
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1243
10257
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1244 size = nchars + 1;;
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1245
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1246 buf = new char [size];
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1247
10257
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1248 if (! buf)
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1249 return 0;
cd550069240e assume vsnprintf from gnulib; use sstream instead of snprintf
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1250 }
4302
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1251 }
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1252
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1253 return buf;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1254 }
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1255
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1256 char *
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1257 octave_snprintf (const char *fmt, ...)
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1258 {
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1259 char *retval = 0;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1260
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1261 va_list args;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1262 va_start (args, fmt);
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1263
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1264 retval = octave_vsnprintf (fmt, args);
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1265
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1266 va_end (args);
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1267
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1268 return retval;
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1269 }
ebc2d8e4968b [project @ 2003-01-22 22:02:23 by jwe]
jwe
parents: 4264
diff changeset
1270
4086
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1271 void
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1272 octave_sleep (double seconds)
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1273 {
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1274 if (seconds > 0)
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1275 {
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1276 double t;
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1277
4093
5a82e874999b [project @ 2002-10-08 23:48:45 by jwe]
jwe
parents: 4086
diff changeset
1278 unsigned int usec
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1279 = static_cast<unsigned int> (modf (seconds, &t) * 1000000);
4086
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1280
4093
5a82e874999b [project @ 2002-10-08 23:48:45 by jwe]
jwe
parents: 4086
diff changeset
1281 unsigned int sec
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10257
diff changeset
1282 = (t > UINT_MAX) ? UINT_MAX : static_cast<unsigned int> (t);
4086
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1283
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5765
diff changeset
1284 // Versions of these functions that accept unsigned int args are
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5765
diff changeset
1285 // defined in cutils.c.
4086
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1286 octave_sleep (sec);
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1287 octave_usleep (usec);
10070
897e62651c0a correctly handle interrupts in pause()
Jaroslav Hajek <highegg@gmail.com>
parents: 10066
diff changeset
1288
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
1289 octave_quit ();
4086
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1290 }
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1291 }
ddc722b38e87 [project @ 2002-10-03 19:08:45 by jwe]
jwe
parents: 4064
diff changeset
1292
9487
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1293 DEFUN (isindex, args, ,
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1294 "-*- texinfo -*-\n\
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1295 @deftypefn {Built-in Function} {} isindex (@var{ind}, @var{n})\n\
9758
09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents: 9705
diff changeset
1296 Returns true if @var{ind} is a valid index. Valid indices can be\n\
9487
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1297 either positive integers (though possibly real data), or logical arrays.\n\
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1298 If present, @var{n} specifies the extent of the dimension to be indexed.\n\
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1299 Note that, if possible, the internal conversion result is cached so that\n\
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1300 subsequent indexing will not perform the checking again.\n\
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1301 @end deftypefn")
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1302 {
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1303 octave_value retval;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1304 int nargin = args.length ();
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1305 octave_idx_type n = 0;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1306
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1307 if (nargin == 2)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1308 n = args(1).idx_type_value ();
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1309 else if (nargin != 1)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1310 print_usage ();
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1311
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1312 if (! error_state)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1313 {
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 10033
diff changeset
1314 unwind_protect frame;
10605
1834132fb50b allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents: 10502
diff changeset
1315
10613
e103fb2182ce use internal variable instead of warning state to control whether to allow non-integer ranges as indices
John W. Eaton <jwe@octave.org>
parents: 10605
diff changeset
1316 frame.protect_var (Vallow_noninteger_range_as_index);
e103fb2182ce use internal variable instead of warning state to control whether to allow non-integer ranges as indices
John W. Eaton <jwe@octave.org>
parents: 10605
diff changeset
1317 Vallow_noninteger_range_as_index = false;
10605
1834132fb50b allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents: 10502
diff changeset
1318
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 10033
diff changeset
1319 frame.protect_var (error_state);
10605
1834132fb50b allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents: 10502
diff changeset
1320
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 10033
diff changeset
1321 frame.protect_var (discard_error_messages);
9487
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1322 discard_error_messages = true;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1323
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1324 try
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1325 {
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1326 idx_vector idx = args(0).index_vector ();
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1327 if (! error_state)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1328 {
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1329 if (nargin == 2)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1330 retval = idx.extent (n) <= n;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1331 else
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1332 retval = true;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1333 }
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1334 else
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1335 retval = false;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1336 }
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1337 catch (octave_execution_exception)
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1338 {
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1339 retval = false;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1340 }
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1341 }
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1342
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1343 return retval;
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1344 }
2894af292e69 implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents: 9173
diff changeset
1345
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1346 octave_value_list
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1347 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int),
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1348 const char *fun_name, const octave_value_list& args,
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1349 int nargout)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1350 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1351 octave_value_list new_args = args, retval;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1352 int nargin = args.length ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1353 OCTAVE_LOCAL_BUFFER (bool, iscell, nargin);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1354 OCTAVE_LOCAL_BUFFER (Cell, cells, nargin);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1355 OCTAVE_LOCAL_BUFFER (Cell, rcells, nargout);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1356
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1357 const Cell *ccells = cells;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1358
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1359 octave_idx_type numel = 1;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1360 dim_vector dims (1, 1);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1361
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1362 for (int i = 0; i < nargin; i++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1363 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1364 octave_value arg = new_args(i);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1365 iscell[i] = arg.is_cell ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1366 if (iscell[i])
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1367 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1368 cells[i] = arg.cell_value ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1369 octave_idx_type n = ccells[i].numel ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1370 if (n == 1)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1371 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1372 iscell[i] = false;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1373 new_args(i) = ccells[i](0);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1374 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1375 else if (numel == 1)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1376 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1377 numel = n;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1378 dims = ccells[i].dims ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1379 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1380 else if (dims != ccells[i].dims ())
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1381 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1382 error ("%s: cell arguments must have matching sizes", fun_name);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1383 break;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1384 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1385 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1386 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1387
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1388 if (! error_state)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1389 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1390 for (int i = 0; i < nargout; i++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1391 rcells[i].clear (dims);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1392
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1393 for (octave_idx_type j = 0; j < numel; j++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1394 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1395 for (int i = 0; i < nargin; i++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1396 if (iscell[i])
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1397 new_args(i) = ccells[i](j);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1398
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
1399 octave_quit ();
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1400
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1401 const octave_value_list tmp = fun (new_args, nargout);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1402
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1403 if (tmp.length () < nargout)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1404 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1405 error ("%s: do_simple_cellfun: internal error", fun_name);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1406 break;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1407 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1408 else
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1409 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1410 for (int i = 0; i < nargout; i++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1411 rcells[i](j) = tmp(i);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1412 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1413 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1414 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1415
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1416 if (! error_state)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1417 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1418 retval.resize (nargout);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1419 for (int i = 0; i < nargout; i++)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1420 retval(i) = rcells[i];
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1421 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1422
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1423 return retval;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1424 }
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1425
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1426 octave_value
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1427 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int),
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1428 const char *fun_name, const octave_value_list& args)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1429 {
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1430 octave_value retval;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1431 const octave_value_list tmp = do_simple_cellfun (fun, fun_name, args, 1);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1432 if (tmp.length () > 0)
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1433 retval = tmp(0);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1434
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1435 return retval;
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10070
diff changeset
1436 }