octave: libinterp/dldfcn/xzip.cc annotate

annotate libinterp/dldfcn/xzip.cc @ 22330:53e246fd8124

doc: Spellcheck documentation ahead of 4.2 release. * aspell-octave.en.pws: Add new words to Octave dictionary. * func.txi, xzip.cc, publish.m, normest1.m, version.m, light.m: Spellcheck documentation ahead of 4.2 release.

author	Rik <rik@octave.org>
date	Wed, 17 Aug 2016 08:20:26 -0700
parents	71dd9d5a5ecd
children

rev	line source
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	1 // Copyright (C) 2016 Carnë Draug
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	2 //
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	3 // This program is free software: you can redistribute it and/or modify
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	4 // it under the terms of the GNU General Public License as published by
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	5 // the Free Software Foundation, either version 3 of the License, or
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	6 // (at your option) any later version.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	7 //
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	8 // This program is distributed in the hope that it will be useful,
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	11 // GNU General Public License for more details.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	12 //
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	13 // You should have received a copy of the GNU General Public License
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	15
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	16 //! 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	17 /*!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	18 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	19 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	20 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	21 file:
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 - 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	24 - 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	25 - 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	26
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	27 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	28 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	29 filenames.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	30
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	31 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	32 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	33
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	34 # 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	35 # 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	36 # 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	37 # 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	38
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	39 */
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 #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	42 # 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	43 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	44
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	45 #include <cstdio>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	46 #include <cstring>
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 #include <string>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	49 #include <list>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	50 #include <functional>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	51 #include <stdexcept>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	52 #include <iostream>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	53 #include <fstream>
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	54
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	55 #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	56 # 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	57 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	58
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	59 #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	60 # 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	61 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	62
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	63 #include "Array.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	64 #include "str-vec.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	65 #include "glob-match.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	66 #include "file-ops.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	67 #include "dir-ops.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	68 #include "file-stat.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	69 #include "oct-env.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	70
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	71 #include "defun-dld.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	72 #include "defun-int.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	73 #include "errwarn.h"
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	74
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	75 namespace octave
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	76 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	77 //! RIIA wrapper for std::FILE*
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	78 /*! 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	79 the close method which throws.
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	80
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	81 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	82 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	83 after fclose.
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	84 */
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	85
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	86 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	87 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	88 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	89 std::FILE* fp;
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	90
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	91 CFile (const std::string& path, const std::string& mode)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	92 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	93 fp = std::fopen (path.c_str (), mode.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	94 if (! fp)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	95 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	96 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	97
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	98 void
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	99 close (void)
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	100 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	101 if (std::fclose (fp))
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	102 throw std::runtime_error ("unable to close file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	103 fp = nullptr;
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	104 }
2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	105
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	106 ~CFile ()
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	107 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	108 if (fp)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	109 std::fclose (fp);
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	110 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	111 };
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	112
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	113 #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	114
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	115 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	116 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	117 private:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	118 class zipper
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	119 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	120 private:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	121 int status = BZ_OK;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	122 CFile source;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	123 CFile dest;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	124 BZFILE* bz;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	125
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	126 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	127 zipper (const std::string& source_path, const std::string& dest_path)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	128 : source (source_path, "rb"), dest (dest_path, "wb")
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	129 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	130 bz = BZ2_bzWriteOpen (&status, dest.fp, 9, 0, 30);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	131 if (status != BZ_OK)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	132 throw std::runtime_error ("failed to open bzip2 stream");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	133 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	134
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	135 void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	136 deflate (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	137 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	138 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	139 char buf[buf_len];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	140 std::size_t n_read;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	141 while ((n_read = std::fread (buf, sizeof (buf[0]), buf_len, source.fp)) != 0)
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 if (std::ferror (source.fp))
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	144 throw std::runtime_error ("failed to read from source file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	145 BZ2_bzWrite (&status, bz, buf, n_read);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	146 if (status == BZ_IO_ERROR)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	147 throw std::runtime_error ("failed to write or compress");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	148 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	149 if (std::ferror (source.fp))
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	150 throw std::runtime_error ("failed to read from source file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	151 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	152
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	153 void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	154 close (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	155 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	156 int abandon = (status == BZ_IO_ERROR) ? 1 : 0;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	157 BZ2_bzWriteClose (&status, bz, abandon, 0, 0);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	158 if (status != BZ_OK)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	159 throw std::runtime_error ("failed to close bzip2 stream");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	160 bz = nullptr;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	161
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	162 // 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	163 // the destructor close it.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	164 dest.close ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	165 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	166
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	167 ~zipper ()
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	168 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	169 if (bz != nullptr)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	170 BZ2_bzWriteClose (&status, bz, 1, 0, 0);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	171 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	172 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	173
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	174 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	175 static const constexpr char* extension = ".bz2";
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	176
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	177 static void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	178 zip (const std::string& source_path, const std::string& dest_path)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	179 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	180 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	181 z.deflate ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	182 z.close ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	183 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	184
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	185 };
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	186
1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	187 #endif
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	188
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	189 // Note about zlib and gzip
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	190 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	191 // 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	192 // 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	193 // 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	194 // has different headers and trailers.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	195 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	196 // 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	197 // 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	198 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	199 // 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	200 // 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	201 // 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	202 // 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	203 // 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	204 // 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	205 // header and trailer format.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	206 // zlib FAQ
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	207 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	208 // 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	209 // 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	210 // ourselves though.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	211 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	212 // 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	213 // 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	214
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	215
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	216 #if defined (HAVE_Z)
1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	217
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	218 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	219 {
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	220 private:
22326 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 // 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	223 class uchar_array
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	224 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	225 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	226 // Bytef is a typedef for unsigned char
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	227 unsigned char* p;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	228
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	229 uchar_array (const std::string& str)
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 p = new Bytef[str.length () +1];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	232 std::strcpy (reinterpret_cast<char*> (p), str.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	233 }
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 ~uchar_array (void) { delete[] p; }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	236 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	237
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	238 class gzip_header : public gz_header
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	239 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	240 private:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	241 // This must be kept for gz_header.name
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	242 uchar_array basename;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	243
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	244 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	245 gzip_header (const std::string& source_path)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	246 : 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	247 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	248 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	249 if (! source_stat)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	250 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	251
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	252 // 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	253 // 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	254 // unix_time really never be negative?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	255 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	256
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	257 // 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	258 // 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	259 // 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	260 // 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	261 // 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	262 // 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	263 // 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	264 // 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	265 // forced to lower case.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	266 name = basename.p;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	267
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	268 // 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	269 // 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	270 comment = Z_NULL;
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 // 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	273 extra = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	274
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	275 // 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	276 // 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	277 // 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	278 hcrc = 0;
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 // OS (Operating System):
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	281 // 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	282 // 1 - Amiga
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	283 // 2 - VMS (or OpenVMS)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	284 // 3 - Unix
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	285 // 4 - VM/CMS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	286 // 5 - Atari TOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	287 // 6 - HPFS filesystem (OS/2, NT)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	288 // 7 - Macintosh
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	289 // 8 - Z-System
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	290 // 9 - CP/M
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	291 // 10 - TOPS-20
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	292 // 11 - NTFS filesystem (NT)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	293 // 12 - QDOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	294 // 13 - Acorn RISCOS
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	295 // 255 - unknown
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	296 //
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	297 // 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	298 // 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	299 // destination file.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	300
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	301 #if defined (__WIN32__)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	302 // Or should it be 11?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	303 os = 0;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	304 #elif defined (__APPLE__)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	305 os = 7;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	306 #else
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	307 // Unix by default?
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	308 os = 3;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	309 #endif
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	310 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	311 };
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 class zipper
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	314 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	315 private:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	316 CFile source;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	317 CFile dest;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	318 gzip_header header;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	319 z_stream* strm;
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 public:
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	322 zipper (const std::string& source_path, const std::string& dest_path)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	323 : source (source_path, "rb"), dest (dest_path, "wb"),
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	324 header (source_path), strm (new z_stream)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	325 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	326 strm->zalloc = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	327 strm->zfree = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	328 strm->opaque = Z_NULL;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	329 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	330
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	331 void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	332 deflate ()
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	333 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	334 // int deflateInit2 (z_streamp strm,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	335 // 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	336 // int method,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	337 // 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	338 // 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	339 // int strategy);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	340 int status = deflateInit2 (strm, 8, Z_DEFLATED, 31, 8,
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	341 Z_DEFAULT_STRATEGY);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	342 if (status != Z_OK)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	343 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	344
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	345 deflateSetHeader (strm, &header);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	346
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	347 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	348 unsigned char buf_in[buf_len];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	349 unsigned char buf_out[buf_len];
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	350
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	351 while ((strm->avail_in = std::fread (buf_in, sizeof (buf_in[0]),
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	352 buf_len, source.fp)) != 0)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	353 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	354 if (std::ferror (source.fp))
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	355 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	356
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	357 strm->next_in = buf_in;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	358 const int flush = std::feof (source.fp) ? Z_FINISH : Z_NO_FLUSH;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	359
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	360 // 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	361 // 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	362 // there might be more output pending.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	363 do
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 strm->avail_out = buf_len;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	366 strm->next_out = buf_out;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	367 status = ::deflate (strm, flush);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	368 if (status == Z_STREAM_ERROR)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	369 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	370
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	371 std::fwrite (buf_out, sizeof (buf_out[0]),
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	372 buf_len - strm->avail_out, dest.fp);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	373 if (std::ferror (dest.fp))
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	374 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	375 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	376 while (strm->avail_out == 0);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	377
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	378 if (strm->avail_in != 0)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	379 throw std::runtime_error ("failed to wrote file");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	380 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	381 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	382
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	383 void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	384 close (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	385 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	386 if (deflateEnd (strm) != Z_OK)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	387 throw std::runtime_error ("failed to close zlib stream");
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	388 strm = nullptr;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	389
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	390 // 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	391 // the destructor close it.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	392 dest.close ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	393 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	394
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	395 ~zipper (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	396 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	397 if (strm)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	398 deflateEnd (strm);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	399 delete strm;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	400 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	401 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	402
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	403 public:
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	404 static const constexpr char* extension = ".gz";
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	405
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	406 static void
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	407 zip (const std::string& source_path, const std::string& dest_path)
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	408 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	409 gz::zipper z (source_path, dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	410 z.deflate ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	411 z.close ();
22187 2aae8894885b xzip.cc: replace throwing exceptions in destructors (bug #48640) Carnë Draug <carandraug@octave.org> parents: 22173 diff changeset	412 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	413 };
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	414
22188 1344509a480c style fixes John W. Eaton <jwe@octave.org> parents: 22187 diff changeset	415 #endif
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	416
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	417
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	418 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	419 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	420 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	421 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	422 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	423 std::list<std::string> dest_paths;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	424
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	425 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	426 walk = [&walk, &mk_dest_path, &dest_paths] (const std::string& path) -> void
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	427 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	428 const octave::sys::file_stat fs (path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	429 // is_dir and is_reg will return false if failed to stat.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	430 if (fs.is_dir ())
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	431 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	432 octave::sys::dir_entry dir (path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	433 if (dir)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	434 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	435 // Collect the whole list of filenames first, before recursion
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	436 // to avoid issues with infinite loop if the action generates
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	437 // files in the same directory (highly likely).
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	438 string_vector dirlist = dir.read ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	439 for (octave_idx_type i = 0; i < dirlist.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	440 if (dirlist(i) != "." && dirlist(i) != "..")
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	441 walk (octave::sys::file_ops::concat (path, dirlist(i)));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	442 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	443 // Note that we skip any problem with directories.
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	444 }
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	445 else if (fs.is_reg ())
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	446 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	447 const std::string dest_path = mk_dest_path (path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	448 try
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	449 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	450 X::zip (path, dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	451 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	452 catch (...)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	453 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	454 // Error "handling" is not including filename on the output list.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	455 // Also remove created file which maybe was not even created
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	456 // in the first place. Note that it is possible for the file
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	457 // to exist in the first place and for X::zip to not have
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	458 // clobber it yet but we remove it anyway by design.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	459 octave::sys::unlink (dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	460 return;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	461 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	462 dest_paths.push_front (dest_path);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	463 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	464 // Skip all other file types and errors.
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	465 return;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	466 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	467
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	468 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	469 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	470 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	471 const string_vector filepaths = pattern.glob ();
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	472 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	473 walk (filepaths(j));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	474 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	475 return string_vector (dest_paths);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	476 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	477
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	478
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	479 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	480 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	481 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	482 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	483 const std::string ext = X::extension;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	484 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	485 = [&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	486 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	487 return source_path + ext;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	488 };
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	489 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	490 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	491
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	492 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	493 string_vector
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	494 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	495 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	496 const std::string ext = X::extension;
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	497 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	498 = [&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	499 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	500 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	501 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	502 };
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	503
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	504 // 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	505 // 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	506 // 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	507 // 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	508 octave::sys::mkdir (out_dir, 0777);
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	509 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	510 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	511
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	512 template<typename X>
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	513 static octave_value_list
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	514 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	515 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	516 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	517 if (nargin < 1 \|\| nargin > 2)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	518 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	519
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	520 const Array<std::string> source_patterns
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	521 = 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	522 func_name.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	523 if (nargin == 1)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	524 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	525 else // nargin == 2
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	526 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	527 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	528 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	529 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	530 }
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	531 }
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 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	534 doc: /* -- texinfo --
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	535 @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	536 @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	537 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	538
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	539 @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	540 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	541 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	542 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	543 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	544 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	545 directory.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	546
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	547 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	548 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	549 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	550 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	551 same name.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	552
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	553 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	554
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	555 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	556 @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	557 @end deftypefn */)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	558 {
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	559 #if defined (HAVE_Z)
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	560
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	561 return octave::xzip<octave::gz> ("gzip", args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	562
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	563 #else
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	564
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	565 octave_unused_parameter (args);
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	566
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	567 err_disabled_feature ("gzip", "gzip");
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	568
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	569 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	570 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	571
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	572 /*
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	573 %!error gzip ()
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	574 %!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	575 %!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	576 */
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	577
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	578 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	579 doc: /* -- texinfo --
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	580 @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	581 @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	582 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	583
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	584 @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	585 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	586 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	587 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	588 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	589
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	590 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	591 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	592 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	593 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	594 same name.
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	595
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	596 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	597
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	598 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	599 @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	600 @end deftypefn */)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	601 {
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	602 #if defined (HAVE_BZ2)
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	603
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22299 diff changeset	604 return octave::xzip<octave::bz2> ("bzip2", args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	605
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	606 #else
15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	607
22269 a76b931d2c4b * xzip.cc (Fbzip2): Fix typo of "octave_unused_parameter". Mike Miller <mtmiller@octave.org> parents: 22265 diff changeset	608 octave_unused_parameter (args);
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	609
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	610 err_disabled_feature ("bzip2", "bzip2");
22265 15b9d7cb3098 eliminate unused parameter warnings John W. Eaton <jwe@octave.org> parents: 22194 diff changeset	611
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	612 #endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	613 }
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	614
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	615 // 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	616 /*
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	617
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	618 ## 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	619 ## 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	620 ## 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	621
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	622 %!function run_test_function (test_function)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	623 %! 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	624 %! if (__octave_config_info__ ().build_features.BZ2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	625 %! enabled_zippers(end+1).zip = @bzip2;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	626 %! enabled_zippers(end).unzip = @bunzip2;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	627 %! 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	628 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	629 %! if (__octave_config_info__ ().build_features.Z)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	630 %! enabled_zippers(end+1).zip = @gzip;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	631 %! enabled_zippers(end).unzip = @gunzip;
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	632 %! 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	633 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	634 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	635 %! 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	636 %! 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	637 %! 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	638 %! 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	639 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	640 %! unwind_protect
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	641 %! 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	642 %! 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	643 %! 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	644 %! 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	645 %! 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	646 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	647 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	648
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	649 %!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	650 %! 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	651 %! 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	652 %! 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	653 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	654 %! 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	655 %! 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	656 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	657 %! 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	658 %! 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	659 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	660 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	661
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	662 %!function unlink_or_error (filepath)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	663 %! [err, msg] = unlink (filepath);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	664 %! if (err)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	665 %! 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	666 %! endif
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	667 %!endfunction
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	668
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	669 ## 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	670 %!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	671 %! 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	672 %! 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	673 %! 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	674 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	675 %! z_file = [test_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	676 %! z_filelist = z.zip (test_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	677 %! 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	678 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	679 %! unlink_or_error (test_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	680 %! uz_filelist = z.unzip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	681 %! assert (uz_filelist, {test_file})
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	682 %!
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	683 %! 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	684 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	685 %!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	686
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	687 ## Test that xzipped files are rexzipped
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	688 %!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	689 %! 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	690 %! 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	691 %! 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	692 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	693 %! z_file = [ori_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	694 %! z_filelist = z.zip (ori_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	695 %! 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	696 %! 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	697 %! 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	698 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	699 %! unlink_or_error (ori_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	700 %! uz_filelist = z.unzip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	701 %! 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	702 %! 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	703 %! 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	704 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	705 %! ## 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	706 %! z_z_file = [z_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	707 %! z_z_filelist = z.zip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	708 %! 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	709 %! 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	710 %! 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	711 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	712 %! md5_z = hash ("md5", fileread (z_file));
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	713 %! unlink_or_error (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	714 %! uz_z_filelist = z.unzip (z_z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	715 %! assert (uz_z_filelist, {z_file}) # bug #48598
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	716 %! 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	717 %! 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	718 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	719 %!test run_test_function (@test_z_z)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	720
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	721 %!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	722 %! 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	723 %! 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	724 %! 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	725 %! 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	726 %! 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	727 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	728 %!
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	729 %! test_dir = [test_dir filesep()];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	730 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	731 %! z_files = strcat (fpaths, z.ext);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	732 %! z_filelist = z.zip (test_dir);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	733 %! 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	734 %! 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	735 %! assert (exist (z_files{idx}), 2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	736 %! 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	737 %! endfor
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	738 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	739 %! ## only gunzip handles directory (bunzip2 should too though)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	740 %! if (z.unzip == @gunzip)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	741 %! uz_filelist = z.unzip (test_dir);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	742 %! else
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	743 %! uz_filelist = cell (1, numel (z_filelist));
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	744 %! for idx = 1:numel(z_filelist)
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	745 %! uz_filelist(idx) = z.unzip (z_filelist{idx});
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	746 %! endfor
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	747 %! endif
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	748 %! 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	749 %! 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	750 %! 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	751 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	752 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	753 %!test run_test_function (@test_xzip_dir)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	754
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	755 %!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	756 %! 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	757 %! 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	758 %! 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	759 %! 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	760 %!
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	761 %! ## 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	762 %! 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	763 %! 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	764 %! 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	765 %! endif
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	766 %! for idx = 1:numel(out_dirs)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	767 %! out_dir = out_dirs{idx};
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	768 %! uz_file = fullfile (out_dir, filename);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	769 %! z_file = [uz_file z.ext];
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	770 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	771 %! z_filelist = z.zip (filepath, out_dir);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	772 %! 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	773 %! assert (exist (z_file, "file"), 2)
22194 b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	774 %!
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	775 %! uz_filelist = z.unzip (z_file);
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	776 %! assert (uz_filelist, {uz_file}) # bug #48598
b1ebad209360 xzip.cc: modify tests for readability. Carnë Draug <carandraug@octave.org> parents: 22188 diff changeset	777 %!
22160 766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	778 %! assert (hash ("md5", fileread (uz_file)), md5)
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	779 %! endfor
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	780 %!endfunction
766f934db568 Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431) Carnë Draug <carandraug@octave.org> parents: diff changeset	781 %!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	782 */

Mercurial > octave

annotate libinterp/dldfcn/xzip.cc @ 22330:53e246fd8124