octave: libinterp/dldfcn/gzip.cc annotate

annotate libinterp/dldfcn/gzip.cc @ 23691:2fa6013799fa

* gzip.cc: Tag %!xtest with bug number.

author	John W. Eaton <jwe@octave.org>
date	Sat, 24 Jun 2017 19:42:59 -0400
parents	a990b6d740c4
children	08036a7f3660

rev	line source
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	1 /*
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	2
23220 092078913d54 maint: Merge stable to default. John W. Eaton <jwe@octave.org> parents: 23098 23219 diff changeset	3 Copyright (C) 2016-2017 Carnë Draug
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	4
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	5 This file is part of Octave.
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	6
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	7 Octave is free software; you can redistribute it and/or modify it
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	10 (at your option) any later version.
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	11
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	15 GNU General Public License for more details.
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	16
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	17 You should have received a copy of the GNU General Public License
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	18 along with Octave; see the file COPYING. If not, see
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	19 <http://www.gnu.org/licenses/>.
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	20
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22489 diff changeset	21 */
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	22
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	23 //! Octave interface to the compression and uncompression libraries.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	24 /*!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	25 This was originally implemented as an m file which directly called
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	26 bzip2 and gzip applications. This may look simpler but causes some
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	27 issues (see bug #43431) because we have no control over the output
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	28 file:
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	29
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	30 - created file is always in the same directory as the original file;
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	31 - automatically skip files that already have gz/bz2/etc extension;
22299 9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release. Rik <rik@octave.org> parents: 22271 diff changeset	32 - some older versions lack the --keep option.
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	33
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	34 In addition, because system() does not have a method that allows
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	35 passing a list of arguments, there is the issue of having to escape
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	36 filenames.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	37
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	38 A solution is to pipe file contents into the applications instead of
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	39 filenames. However, that solution causes:
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	40
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	41 # missing file header with original file information;
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	42 # implementing ourselves the recursive transversion of directories;
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	43 # do the above in a m file which will be slow;
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	44 # popen2 is frail on windows.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	45
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	46 */
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	47
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	48 #if defined (HAVE_CONFIG_H)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	49 # include "config.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	50 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	51
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	52 #include <cstdio>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	53 #include <cstring>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	54
23024 a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	55 #include <functional>
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	56 #include <list>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	57 #include <stdexcept>
23024 a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	58 #include <string>
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	59
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	60 #include "Array.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	61 #include "dir-ops.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	62 #include "file-ops.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	63 #include "file-stat.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	64 #include "glob-match.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	65 #include "oct-env.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	66 #include "str-vec.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	67
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	68 #include "Cell.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	69 #include "defun-dld.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	70 #include "defun-int.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	71 #include "errwarn.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	72 #include "ov.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory. Rik <rik@octave.org> parents: 22923 diff changeset	73 #include "ovl.h"
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	74
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	75 #if defined (HAVE_BZLIB_H)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	76 # include <bzlib.h>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	77 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	78
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	79 #if defined (HAVE_ZLIB_H)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	80 # include <zlib.h>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	81 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	82
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	83 namespace octave
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	84 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	85 //! RIIA wrapper for std::FILE*
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	86 /*! If error handling is available for failing to close the file, use
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	87 the close method which throws.
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	88
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	89 If the file has been closed, fp is set to nullptr. Remember that
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	90 behavior is undefined if the value of the pointer stream is used
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	91 after fclose.
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	92 */
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	93
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	94 class CFile
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	95 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	96 public:
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	97
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	98 CFile (void) = delete;
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	99
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	100 CFile (const std::string& path, const std::string& mode)
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	101 : m_fp (std::fopen (path.c_str (), mode.c_str ()))
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	102 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	103 if (! m_fp)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	104 throw std::runtime_error ("unable to open file");
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	105 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	106
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	107 CFile (const CFile&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	108
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	109 CFile& operator = (const CFile&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	110
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	111 ~CFile (void)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	112 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	113 if (m_fp)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	114 std::fclose (m_fp);
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	115 }
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	116
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	117 void close (void)
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	118 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	119 if (std::fclose (m_fp))
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	120 throw std::runtime_error ("unable to close file");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	121
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	122 m_fp = nullptr;
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	123 }
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	124
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	125 std::FILE *m_fp;
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	126 };
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	127
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	128 #if defined (HAVE_BZ2)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	129
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	130 class bz2
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	131 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	132 public:
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	133
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	134 static const constexpr char *extension = ".bz2";
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	135
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	136 static void zip (const std::string& source_path,
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	137 const std::string& dest_path)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	138 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	139 bz2::zipper z (source_path, dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	140 z.deflate ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	141 z.close ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	142 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	143
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	144 private:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	145
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	146 class zipper
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	147 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	148 public:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	149
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	150 zipper (void) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	151
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	152 zipper (const std::string& source_path, const std::string& dest_path)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	153 : m_status (BZ_OK), m_source (source_path, "rb"),
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	154 m_dest (dest_path, "wb"),
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	155 m_bz (BZ2_bzWriteOpen (&m_status, m_dest.m_fp, 9, 0, 30))
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	156 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	157 if (m_status != BZ_OK)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	158 throw std::runtime_error ("failed to open bzip2 stream");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	159 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	160
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	161 zipper (const zipper&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	162
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	163 zipper& operator = (const zipper&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	164
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	165 ~zipper (void)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	166 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	167 if (m_bz != nullptr)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	168 BZ2_bzWriteClose (&m_status, m_bz, 1, 0, 0);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	169 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	170
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	171 void deflate (void)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	172 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	173 const std::size_t buf_len = 8192;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	174 char buf[buf_len];
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	175 std::size_t n_read;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	176 while ((n_read = std::fread (buf, sizeof (buf[0]), buf_len, m_source.m_fp)) != 0)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	177 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	178 if (std::ferror (m_source.m_fp))
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	179 throw std::runtime_error ("failed to read from source file");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	180 BZ2_bzWrite (&m_status, m_bz, buf, n_read);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	181 if (m_status == BZ_IO_ERROR)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	182 throw std::runtime_error ("failed to write or compress");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	183 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	184 if (std::ferror (m_source.m_fp))
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	185 throw std::runtime_error ("failed to read from source file");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	186 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	187
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	188 void close (void)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	189 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	190 int abandon = (m_status == BZ_IO_ERROR) ? 1 : 0;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	191 BZ2_bzWriteClose (&m_status, m_bz, abandon, 0, 0);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	192 if (m_status != BZ_OK)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	193 throw std::runtime_error ("failed to close bzip2 stream");
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	194 m_bz = nullptr;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	195
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	196 // We have no error handling for failing to close source, let
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	197 // the destructor close it.
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	198 m_dest.close ();
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	199 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	200
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	201 private:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	202
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	203 int m_status;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	204 CFile m_source;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	205 CFile m_dest;
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	206 BZFILE *m_bz;
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	207 };
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	208 };
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	209
1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	210 #endif
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	211
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	212 // Note about zlib and gzip
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	213 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	214 // gzip is a format for compressed single files. zlib is a format
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	215 // designed for in-memory and communication channel applications.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	216 // gzip uses the same format internally for the compressed data but
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	217 // has different headers and trailers.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	218 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	219 // zlib is also a library but gzip is not. Very old versions of zlib do
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	220 // not include functions to create useful gzip headers and trailers:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	221 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	222 // Note that you cannot specify special gzip header contents (e.g.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	223 // a file name or modification date), nor will inflate tell you what
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	224 // was in the gzip header. If you need to customize the header or
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	225 // see what's in it, you can use the raw deflate and inflate
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	226 // operations and the crc32() function and roll your own gzip
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	227 // encoding and decoding. Read the gzip RFC 1952 for details of the
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	228 // header and trailer format.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	229 // zlib FAQ
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	230 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	231 // Recent versions (on which we are already dependent) have deflateInit2()
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	232 // to do it. We still need to get the right metadata for the header
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	233 // ourselves though.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	234 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	235 // The header is defined in RFC #1952
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	236 // GZIP file format specification version 4.3
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	237
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	238
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	239 #if defined (HAVE_Z)
1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	240
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	241 class gz
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	242 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	243 public:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	244
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	245 static const constexpr char *extension = ".gz";
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	246
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	247 static void zip (const std::string& source_path,
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	248 const std::string& dest_path)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	249 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	250 gz::zipper z (source_path, dest_path);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	251 z.deflate ();
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	252 z.close ();
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	253 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	254
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	255 private:
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	256
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	257 // Util class to get a non-const char*
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	258 class uchar_array
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	259 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	260 public:
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	261
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	262 // Bytef is a typedef for unsigned char
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	263 unsigned char *p;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	264
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	265 uchar_array (void) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	266
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	267 uchar_array (const std::string& str)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	268 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	269 p = new Bytef[str.length () +1];
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	270 std::strcpy (reinterpret_cast<char *> (p), str.c_str ());
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	271 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	272
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	273 uchar_array (const uchar_array&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	274
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	275 uchar_array& operator = (const uchar_array&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	276
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	277 ~uchar_array (void) { delete[] p; }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	278 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	279
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	280 class gzip_header : public gz_header
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	281 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	282 public:
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	283
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	284 gzip_header (void) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	285
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	286 gzip_header (const std::string& source_path)
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	287 : m_basename (octave::sys::env::base_pathname (source_path))
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	288 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	289 const octave::sys::file_stat source_stat (source_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	290 if (! source_stat)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	291 throw std::runtime_error ("unable to stat source file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	292
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	293 // time_t may be a signed int in which case it will be a
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	294 // positive number so it is safe to uLong. Or is it? Can
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	295 // unix_time really never be negative?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	296 time = uLong (source_stat.mtime ().unix_time ());
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	297
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	298 // If FNAME is set, an original file name is present,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	299 // terminated by a zero byte. The name must consist of ISO
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	300 // 8859-1 (LATIN-1) characters; on operating systems using
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	301 // EBCDIC or any other character set for file names, the name
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	302 // must be translated to the ISO LATIN-1 character set. This
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	303 // is the original name of the file being compressed, with any
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	304 // directory components removed, and, if the file being
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	305 // compressed is on a file system with case insensitive names,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	306 // forced to lower case.
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	307 name = m_basename.p;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	308
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	309 // If we don't set it to Z_NULL, then it will set FCOMMENT (4th bit)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	310 // on the FLG byte, and then write {0, 3} comment.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	311 comment = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	312
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	313 // Seems to already be the default but we are not taking chances.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	314 extra = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	315
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	316 // We do not want a CRC for the header. That would be only 2 more
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	317 // bytes, and maybe it would be a good thing but we want to generate
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	318 // gz files similar to the default gzip application.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	319 hcrc = 0;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	320
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	321 // OS (Operating System):
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	322 // 0 - FAT filesystem (MS-DOS, OS/2, NT/Win32)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	323 // 1 - Amiga
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	324 // 2 - VMS (or OpenVMS)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	325 // 3 - Unix
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	326 // 4 - VM/CMS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	327 // 5 - Atari TOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	328 // 6 - HPFS filesystem (OS/2, NT)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	329 // 7 - Macintosh
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	330 // 8 - Z-System
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	331 // 9 - CP/M
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	332 // 10 - TOPS-20
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	333 // 11 - NTFS filesystem (NT)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	334 // 12 - QDOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	335 // 13 - Acorn RISCOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	336 // 255 - unknown
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	337 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	338 // The list is problematic because it mixes OS and filesystem. It
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	339 // also does not specify whether filesystem relates to source or
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	340 // destination file.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	341
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	342 #if defined (__WIN32__)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	343 // Or should it be 11?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	344 os = 0;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	345 #elif defined (__APPLE__)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	346 os = 7;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	347 #else
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	348 // Unix by default?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	349 os = 3;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	350 #endif
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	351 }
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	352
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	353 gzip_header (const gzip_header&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	354
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	355 gzip_header& operator = (const gzip_header&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	356
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	357 ~gzip_header (void) = default;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	358
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	359 private:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	360
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	361 // This must be kept for gz_header.name
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	362 uchar_array m_basename;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	363 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	364
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	365 class zipper
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	366 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	367 public:
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	368
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	369 zipper (void) = delete;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	370
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	371 zipper (const std::string& source_path, const std::string& dest_path)
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	372 : m_source (source_path, "rb"), m_dest (dest_path, "wb"),
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	373 m_header (source_path), m_strm (new z_stream)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	374 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	375 m_strm->zalloc = Z_NULL;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	376 m_strm->zfree = Z_NULL;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	377 m_strm->opaque = Z_NULL;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	378 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	379
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	380 zipper (const zipper&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	381
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	382 zipper& operator = (const zipper&) = delete;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	383
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	384 ~zipper (void)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	385 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	386 if (m_strm)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	387 deflateEnd (m_strm);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	388 delete m_strm;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	389 }
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	390
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	391 void deflate (void)
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	392 {
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	393 // int deflateInit2 (z_streamp m_strm,
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	394 // int level, // compression level (default is 8)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	395 // int method,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	396 // int windowBits, // 15 (default) + 16 (gzip format)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	397 // int memLevel, // memory usage (default is 8)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	398 // int strategy);
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	399 int status = deflateInit2 (m_strm, 8, Z_DEFLATED, 31, 8,
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	400 Z_DEFAULT_STRATEGY);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	401 if (status != Z_OK)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	402 throw std::runtime_error ("failed to open zlib stream");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	403
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	404 deflateSetHeader (m_strm, &m_header);
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	405
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	406 const std::size_t buf_len = 8192;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	407 unsigned char buf_in[buf_len];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	408 unsigned char buf_out[buf_len];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	409
22922 426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	410 int flush;
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	411
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	412 do
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	413 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	414 m_strm->avail_in = std::fread (buf_in, sizeof (buf_in[0]),
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	415 buf_len, m_source.m_fp);
22922 426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	416
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	417 if (std::ferror (m_source.m_fp))
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	418 throw std::runtime_error ("failed to read source file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	419
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	420 m_strm->next_in = buf_in;
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23449 diff changeset	421 flush = (std::feof (m_source.m_fp) ? Z_FINISH : Z_NO_FLUSH);
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	422
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	423 // If deflate returns Z_OK and with zero avail_out, it must be
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	424 // called again after making room in the output buffer because
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	425 // there might be more output pending.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	426 do
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	427 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	428 m_strm->avail_out = buf_len;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	429 m_strm->next_out = buf_out;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	430 status = ::deflate (m_strm, flush);
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	431 if (status == Z_STREAM_ERROR)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	432 throw std::runtime_error ("failed to deflate");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	433
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	434 std::fwrite (buf_out, sizeof (buf_out[0]),
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	435 buf_len - m_strm->avail_out, m_dest.m_fp);
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	436 if (std::ferror (m_dest.m_fp))
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	437 throw std::runtime_error ("failed to write file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	438 }
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	439 while (m_strm->avail_out == 0);
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	440
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	441 if (m_strm->avail_in != 0)
22922 426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	442 throw std::runtime_error ("failed to write file");
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	443
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	444 } while (flush != Z_FINISH);
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	445
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	446 if (status != Z_STREAM_END)
426325aa8ee9 Fix gzip for certain types of gzip files (bug #49760). Rik <rik@octave.org> parents: 22489 diff changeset	447 throw std::runtime_error ("failed to write file");
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	448 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	449
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	450 void close (void)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	451 {
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	452 if (deflateEnd (m_strm) != Z_OK)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	453 throw std::runtime_error ("failed to close zlib stream");
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	454 m_strm = nullptr;
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	455
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	456 // We have no error handling for failing to close source, let
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	457 // the destructor close it.
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	458 m_dest.close ();
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	459 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	460
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	461 private:
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	462
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	463 CFile m_source;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	464 CFile m_dest;
03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	465 gzip_header m_header;
23449 c763214a8260 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23447 diff changeset	466 z_stream *m_strm;
23098 03f817ed37c5 style fixes John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	467 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	468 };
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	469
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	470 #endif
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	471
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	472
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	473 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	474 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	475 xzip (const Array<std::string>& source_patterns,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	476 const std::function<std::string(const std::string&)>& mk_dest_path)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	477 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	478 std::list<std::string> dest_paths;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	479
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	480 std::function<void(const std::string&)> walk;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	481 walk = [&walk, &mk_dest_path, &dest_paths] (const std::string& path) -> void
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	482 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	483 const octave::sys::file_stat fs (path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	484 // is_dir and is_reg will return false if failed to stat.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	485 if (fs.is_dir ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	486 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	487 octave::sys::dir_entry dir (path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	488 if (dir)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	489 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	490 // Collect the whole list of filenames first, before recursion
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	491 // to avoid issues with infinite loop if the action generates
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	492 // files in the same directory (highly likely).
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	493 string_vector dirlist = dir.read ();
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	494 for (octave_idx_type i = 0; i < dirlist.numel (); i++)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	495 if (dirlist(i) != "." && dirlist(i) != "..")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	496 walk (octave::sys::file_ops::concat (path, dirlist(i)));
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	497 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	498 // Note that we skip any problem with directories.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	499 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	500 else if (fs.is_reg ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	501 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	502 const std::string dest_path = mk_dest_path (path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	503 try
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	504 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	505 X::zip (path, dest_path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	506 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	507 catch (...)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	508 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	509 // Error "handling" is not including filename on the output list.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	510 // Also remove created file which maybe was not even created
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	511 // in the first place. Note that it is possible for the file
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	512 // to exist in the first place and for X::zip to not have
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	513 // clobber it yet but we remove it anyway by design.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	514 octave::sys::unlink (dest_path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	515 return;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	516 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	517 dest_paths.push_front (dest_path);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	518 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	519 // Skip all other file types and errors.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	520 return;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22365 diff changeset	521 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	522
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	523 for (octave_idx_type i = 0; i < source_patterns.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	524 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	525 const glob_match pattern (octave::sys::file_ops::tilde_expand (source_patterns(i)));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	526 const string_vector filepaths = pattern.glob ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	527 for (octave_idx_type j = 0; j < filepaths.numel (); j++)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	528 walk (filepaths(j));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	529 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	530 return string_vector (dest_paths);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	531 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	532
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	533
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	534 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	535 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	536 xzip (const Array<std::string>& source_patterns)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	537 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	538 const std::string ext = X::extension;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	539 const std::function<std::string(const std::string&)> mk_dest_path
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	540 = [&ext] (const std::string& source_path) -> std::string
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	541 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	542 return source_path + ext;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	543 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	544 return xzip<X> (source_patterns, mk_dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	545 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	546
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	547 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	548 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	549 xzip (const Array<std::string>& source_patterns, const std::string& out_dir)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	550 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	551 const std::string ext = X::extension;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	552 const std::function<std::string(const std::string&)> mk_dest_path
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	553 = [&out_dir, &ext] (const std::string& source_path) -> std::string
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	554 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	555 const std::string basename = octave::sys::env::base_pathname (source_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	556 return octave::sys::file_ops::concat (out_dir, basename + ext);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	557 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	558
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	559 // We don't care if mkdir fails. Maybe it failed because it already
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	560 // exists, or maybe it can't bre created. If the first, then there's
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	561 // nothing to do, if the later, then it will be handled later. Any
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	562 // is to be handled by not listing files in the output.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	563 octave::sys::mkdir (out_dir, 0777);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	564 return xzip<X> (source_patterns, mk_dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	565 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	566
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	567 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	568 static octave_value_list
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	569 xzip (const std::string& func_name, const octave_value_list& args)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	570 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	571 const octave_idx_type nargin = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	572 if (nargin < 1 \|\| nargin > 2)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	573 print_usage ();
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	574
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	575 const Array<std::string> source_patterns
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	576 = args(0).xcellstr_value ("%s: FILES must be a character array or cellstr",
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	577 func_name.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	578 if (nargin == 1)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	579 return octave_value (Cell (xzip<X> (source_patterns)));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	580 else // nargin == 2
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	581 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	582 const std::string out_dir = args(1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	583 return octave_value (Cell (xzip<X> (source_patterns, out_dir)));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	584 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	585 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	586 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	587
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	588 DEFUN_DLD (gzip, args, ,
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	589 doc: /* -- texinfo --
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	590 @deftypefn {} {@var{filelist} =} gzip (@var{files})
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	591 @deftypefnx {} {@var{filelist} =} gzip (@var{files}, @var{dir})
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	592 Compress the list of files and directories specified in @var{files}.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	593
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	594 @var{files} is a character array or cell array of strings. Shell wildcards
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	595 in the filename such as @samp{*} or @samp{?} are accepted and expanded.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	596 Each file is compressed separately and a new file with a @file{".gz"}
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	597 extension is created. The original files are not modified, but existing
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	598 compressed files will be silently overwritten. If a directory is
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	599 specified then @code{gzip} recursively compresses all files in the
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	600 directory.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	601
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	602 If @var{dir} is defined the compressed files are placed in this directory,
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	603 rather than the original directory where the uncompressed file resides.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	604 Note that this does not replicate a directory tree in @var{dir} which may
22330 53e246fd8124 doc: Spellcheck documentation ahead of 4.2 release. Rik <rik@octave.org> parents: 22326 diff changeset	605 lead to files overwriting each other if there are multiple files with the
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	606 same name.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	607
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	608 If @var{dir} does not exist it is created.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	609
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	610 The optional output @var{filelist} is a list of the compressed files.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	611 @seealso{gunzip, unpack, bzip2, zip, tar}
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	612 @end deftypefn */)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	613 {
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	614 #if defined (HAVE_Z)
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	615
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	616 return octave::xzip<octave::gz> ("gzip", args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	617
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	618 #else
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	619
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	620 octave_unused_parameter (args);
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	621
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	622 err_disabled_feature ("gzip", "gzip");
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	623
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	624 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	625 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	626
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	627 /*
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	628 %!error gzip ()
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	629 %!error gzip ("1", "2", "3")
22271 16efd0403698 Add %!error test pattern matches for disabled optional features Mike Miller <mtmiller@octave.org> parents: 22269 diff changeset	630 %!error <FILES must be a character array or cellstr\|was unavailable or disabled> gzip (1)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	631 */
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	632
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	633 DEFUN_DLD (bzip2, args, ,
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	634 doc: /* -- texinfo --
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	635 @deftypefn {} {@var{filelist} =} bzip2 (@var{files})
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	636 @deftypefnx {} {@var{filelist} =} bzip2 (@var{files}, @var{dir})
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	637 Compress the list of files specified in @var{files}.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	638
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	639 @var{files} is a character array or cell array of strings. Shell wildcards
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	640 in the filename such as @samp{*} or @samp{?} are accepted and expanded.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	641 Each file is compressed separately and a new file with a @file{".bz2"}
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	642 extension is created. The original files are not modified, but existing
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	643 compressed files will be silently overwritten.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	644
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	645 If @var{dir} is defined the compressed files are placed in this directory,
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	646 rather than the original directory where the uncompressed file resides.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	647 Note that this does not replicate a directory tree in @var{dir} which may
22330 53e246fd8124 doc: Spellcheck documentation ahead of 4.2 release. Rik <rik@octave.org> parents: 22326 diff changeset	648 lead to files overwriting each other if there are multiple files with the
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	649 same name.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	650
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	651 If @var{dir} does not exist it is created.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	652
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	653 The optional output @var{filelist} is a list of the compressed files.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	654 @seealso{bunzip2, unpack, gzip, zip, tar}
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	655 @end deftypefn */)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	656 {
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	657 #if defined (HAVE_BZ2)
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	658
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	659 return octave::xzip<octave::bz2> ("bzip2", args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	660
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	661 #else
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	662
22269 a76b931d2c4b * xzip.cc (Fbzip2): Fix typo of "octave_unused_parameter". Mike Miller <mtmiller@octave.org> parents: 22265 diff changeset	663 octave_unused_parameter (args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	664
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	665 err_disabled_feature ("bzip2", "bzip2");
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	666
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	667 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	668 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	669
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	670 // Tests for both gzip/bzip2 and gunzip/bunzip2
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	671 /*
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	672
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	673 ## Takes a single argument, a function handle for the test. This other
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	674 ## function must accept two arguments, a directory for the tests, and
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	675 ## a cell array with zip function, unzip function, and file extension.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	676
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	677 %!function run_test_function (test_function)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	678 %! enabled_zippers = struct ("zip", {}, "unzip", {}, "ext", {});
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	679 %! if (__octave_config_info__ ().build_features.BZ2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	680 %! enabled_zippers(end+1).zip = @bzip2;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	681 %! enabled_zippers(end).unzip = @bunzip2;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	682 %! enabled_zippers(end).ext = ".bz2";
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	683 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	684 %! if (__octave_config_info__ ().build_features.Z)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	685 %! enabled_zippers(end+1).zip = @gzip;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	686 %! enabled_zippers(end).unzip = @gunzip;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	687 %! enabled_zippers(end).ext = ".gz";
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	688 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	689 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	690 %! for z = enabled_zippers
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	691 %! test_dir = tempname ();
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	692 %! if (! mkdir (test_dir))
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	693 %! error ("unable to create directory for tests");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	694 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	695 %! unwind_protect
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	696 %! test_function (test_dir, z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	697 %! unwind_protect_cleanup
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	698 %! confirm_recursive_rmdir (false, "local");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	699 %! rmdir (test_dir, "s");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	700 %! end_unwind_protect
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	701 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	702 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	703
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	704 %!function create_file (fpath, data)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	705 %! fid = fopen (fpath, "wb");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	706 %! if (fid < 0)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	707 %! error ("unable to open file for writing");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	708 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	709 %! if (fwrite (fid, data, class (data)) != numel (data))
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	710 %! error ("unable to write to file");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	711 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	712 %! if (fflush (fid) \|\| fclose (fid))
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	713 %! error ("unable to flush or close file");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	714 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	715 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	716
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	717 %!function unlink_or_error (filepath)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	718 %! [err, msg] = unlink (filepath);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	719 %! if (err)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	720 %! error ("unable to remove file required for the test");
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	721 %! endif
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	722 %!endfunction
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	723
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	724 ## Test with large files because of varied buffer size
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	725 %!function test_large_file (test_dir, z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	726 %! test_file = tempname (test_dir);
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	727 %! create_file (test_file, rand (500000, 1));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	728 %! md5 = hash ("md5", fileread (test_file));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	729 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	730 %! z_file = [test_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	731 %! z_filelist = z.zip (test_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	732 %! assert (z_filelist, {z_file})
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	733 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	734 %! unlink_or_error (test_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	735 %! uz_filelist = z.unzip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	736 %! assert (uz_filelist, {test_file})
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	737 %!
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	738 %! assert (hash ("md5", fileread (test_file)), md5)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	739 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	740 %!test run_test_function (@test_large_file)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	741
22352 d71ae2cd510b build: Change known failures to xtest so that 'make check' produces a clean run. Rik <rik@octave.org> parents: 22339 diff changeset	742 ## Test that xzipped files are rexzipped (hits bug #48597, #48598)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	743 %!function test_z_z (test_dir, z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	744 %! ori_file = tempname (test_dir);
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	745 %! create_file (ori_file, rand (100, 1));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	746 %! md5_ori = hash ("md5", fileread (ori_file));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	747 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	748 %! z_file = [ori_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	749 %! z_filelist = z.zip (ori_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	750 %! assert (z_filelist, {z_file}) # check output
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	751 %! assert (exist (z_file), 2) # confirm file exists
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	752 %! assert (exist (ori_file), 2) # and did not remove original file
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	753 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	754 %! unlink_or_error (ori_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	755 %! uz_filelist = z.unzip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	756 %! assert (uz_filelist, {ori_file}) # bug #48598
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	757 %! assert (hash ("md5", fileread (ori_file)), md5_ori)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	758 %! assert (exist (z_file), 2) # bug #48597
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	759 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	760 %! ## xzip should dutifully re-xzip files even if they already are zipped
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	761 %! z_z_file = [z_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	762 %! z_z_filelist = z.zip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	763 %! assert (z_z_filelist, {z_z_file}) # check output
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	764 %! assert (exist (z_z_file), 2) # confirm file exists
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	765 %! assert (exist (z_file), 2)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	766 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	767 %! md5_z = hash ("md5", fileread (z_file));
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	768 %! unlink_or_error (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	769 %! uz_z_filelist = z.unzip (z_z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	770 %! assert (uz_z_filelist, {z_file}) # bug #48598
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	771 %! assert (exist (z_z_file), 2) # bug #48597
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	772 %! assert (hash ("md5", fileread (z_file)), md5_z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	773 %!endfunction
23691 2fa6013799fa * gzip.cc: Tag %!xtest with bug number. John W. Eaton <jwe@octave.org> parents: 23591 diff changeset	774 %!test <48597> run_test_function (@test_z_z)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	775
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	776 %!function test_xzip_dir (test_dir, z) # bug #43431
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	777 %! fpaths = fullfile (test_dir, {"test1", "test2", "test3"});
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	778 %! md5s = cell (1, 3);
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	779 %! for idx = 1:numel(fpaths)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	780 %! create_file (fpaths{idx}, rand (100, 1));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	781 %! md5s(idx) = hash ("md5", fileread (fpaths{idx}));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	782 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	783 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	784 %! test_dir = [test_dir filesep()];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	785 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	786 %! z_files = strcat (fpaths, z.ext);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	787 %! z_filelist = z.zip (test_dir);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	788 %! assert (sort (z_filelist), z_files(:))
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	789 %! for idx = 1:numel(fpaths)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	790 %! assert (exist (z_files{idx}), 2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	791 %! unlink_or_error (fpaths{idx});
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	792 %! endfor
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	793 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	794 %! ## only gunzip handles directory (bunzip2 should too though)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	795 %! if (z.unzip == @gunzip)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	796 %! uz_filelist = z.unzip (test_dir);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	797 %! else
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	798 %! uz_filelist = cell (1, numel (z_filelist));
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	799 %! for idx = 1:numel(z_filelist)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	800 %! uz_filelist(idx) = z.unzip (z_filelist{idx});
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	801 %! endfor
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	802 %! endif
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	803 %! assert (sort (uz_filelist), fpaths(:)) # bug #48598
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	804 %! for idx = 1:numel(fpaths)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	805 %! assert (hash ("md5", fileread (fpaths{idx})), md5s{idx})
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	806 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	807 %!endfunction
23691 2fa6013799fa * gzip.cc: Tag %!xtest with bug number. John W. Eaton <jwe@octave.org> parents: 23591 diff changeset	808 %!test <48598> run_test_function (@test_xzip_dir)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	809
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	810 %!function test_save_to_dir (test_dir, z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	811 %! filename = "test-file";
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	812 %! filepath = fullfile (test_dir, filename);
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	813 %! create_file (filepath, rand (100, 1));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	814 %! md5 = hash ("md5", fileread (filepath));
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	815 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	816 %! ## test with existing and non-existing directory
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	817 %! out_dirs = {tempname (test_dir), tempname (test_dir)};
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	818 %! if (! mkdir (out_dirs{1}))
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	819 %! error ("unable to create directory for test");
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	820 %! endif
22365 119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	821 %! unwind_protect
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	822 %! for idx = 1:numel(out_dirs)
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	823 %! out_dir = out_dirs{idx};
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	824 %! uz_file = fullfile (out_dir, filename);
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	825 %! z_file = [uz_file z.ext];
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	826 %!
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	827 %! z_filelist = z.zip (filepath, out_dir);
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	828 %! assert (z_filelist, {z_file})
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	829 %! assert (exist (z_file, "file"), 2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	830 %!
22365 119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	831 %! uz_filelist = z.unzip (z_file);
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	832 %! assert (uz_filelist, {uz_file}) # bug #48598
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	833 %!
22365 119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	834 %! assert (hash ("md5", fileread (uz_file)), md5)
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	835 %! endfor
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	836 %! unwind_protect_cleanup
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	837 %! confirm_recursive_rmdir (false, "local");
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	838 %! for idx = 1:numel(out_dirs)
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	839 %! rmdir (out_dirs{idx}, "s");
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	840 %! endfor
119f408f2dd1 Remove temporary directories and files used by BIST. Carnë Draug <carandraug@octave.org> parents: 22352 diff changeset	841 %! end_unwind_protect
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	842 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	843 %!test run_test_function (@test_save_to_dir)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	844 */

Mercurial > octave

annotate libinterp/dldfcn/gzip.cc @ 23691:2fa6013799fa