source: main/trunk/greenstone2/perllib/util.pm@ 31475

Last change on this file since 31475 was 31475, checked in by kjdon, 7 years ago

block_filename moved to EncodingUtil plugin
  • Property svn:keywords set to Author Date Id Revision
File size: 61.3 KB
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1###########################################################################
2#
3# util.pm -- various useful utilities
4# A component of the Greenstone digital library software
5# from the New Zealand Digital Library Project at the
6# University of Waikato, New Zealand.
7#
8# Copyright (C) 1999 New Zealand Digital Library Project
9#
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program; if not, write to the Free Software
22# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23#
24###########################################################################
25
26package util;
27
28use strict;
29use FileUtils;
30
31use Encode;
32use Unicode::Normalize 'normalize';
33
34use File::Copy;
35use File::Basename;
36# Config for getting the perlpath in the recommended way, though it uses paths that are
37# hard-coded into the Config file that's generated upon configuring and compiling perl.
38# $^X works better in some cases to return the path to perl used to launch the script,
39# but if launched with plain "perl" (no full-path), that will be just what it returns.
40use Config;
41# New module for file related utility functions - intended as a
42# placeholder for an extension that allows a variety of different
43# filesystems (FTP, HTTP, SAMBA, WEBDav, HDFS etc)
44use FileUtils;
45
46if ($ENV{'GSDLOS'} =~ /^windows$/i) {
47 require Win32; # for working out Windows Long Filenames from Win 8.3 short filenames
48}
49
50# removes files (but not directories)
51sub rm {
52 warnings::warnif("deprecated", "util::rm() is deprecated, using FileUtils::removeFiles() instead");
53 return &FileUtils::removeFiles(@_);
54}
55
56# recursive removal
57sub filtered_rm_r {
58 warnings::warnif("deprecated", "util::filtered_rm_r() is deprecated, using FileUtils::removeFilesFiltered() instead");
59 return &FileUtils::removeFilesFiltered(@_);
60}
61
62# recursive removal
63sub rm_r {
64 warnings::warnif("deprecated", "util::rm_r() is deprecated, using FileUtils::removeFilesRecursive() instead");
65 return &FileUtils::removeFilesRecursive(@_);
66}
67
68# moves a file or a group of files
69sub mv {
70 warnings::warnif("deprecated", "util::mv() is deprecated, using FileUtils::moveFiles() instead");
71 return &FileUtils::moveFiles(@_);
72}
73
74# Move the contents of source directory into target directory
75# (as opposed to merely replacing target dir with the src dir)
76# This can overwrite any files with duplicate names in the target
77# but other files and folders in the target will continue to exist
78sub mv_dir_contents {
79 warnings::warnif("deprecated", "util::mv_dir_contents() is deprecated, using FileUtils::moveDirectoryContents() instead");
80 return &FileUtils::moveDirectoryContents(@_);
81}
82
83# copies a file or a group of files
84sub cp {
85 warnings::warnif("deprecated", "util::cp() is deprecated, using FileUtils::copyFiles() instead");
86 return &FileUtils::copyFiles(@_);
87}
88
89# recursively copies a file or group of files
90# syntax: cp_r (sourcefiles, destination directory)
91# destination must be a directory - to copy one file to
92# another use cp instead
93sub cp_r {
94 warnings::warnif("deprecated", "util::cp_r() is deprecated, using FileUtils::copyFilesrecursive() instead");
95 return &FileUtils::copyFilesRecursive(@_);
96}
97
98# recursively copies a file or group of files
99# syntax: cp_r (sourcefiles, destination directory)
100# destination must be a directory - to copy one file to
101# another use cp instead
102sub cp_r_nosvn {
103 warnings::warnif("deprecated", "util::cp_r_nosvn() is deprecated, using FileUtils::copyFilesRecursiveNoSVN() instead");
104 return &FileUtils::copyFilesRecursiveNoSVN(@_);
105}
106
107# copies a directory and its contents, excluding subdirectories, into a new directory
108sub cp_r_toplevel {
109 warnings::warnif("deprecated", "util::cp_r_toplevel() is deprecated, using FileUtils::recursiveCopyTopLevel() instead");
110 return &FileUtils::recursiveCopyTopLevel(@_);
111}
112
113sub mk_dir {
114 warnings::warnif("deprecated", "util::mk_dir() is deprecated, using FileUtils::makeDirectory() instead");
115 return &FileUtils::makeDirectory(@_);
116}
117
118# in case anyone cares - I did some testing (using perls Benchmark module)
119# on this subroutine against File::Path::mkpath (). mk_all_dir() is apparently
120# slightly faster (surprisingly) - Stefan.
121sub mk_all_dir {
122 warnings::warnif("deprecated", "util::mk_all_dir() is deprecated, using FileUtils::makeAllDirectories() instead");
123 return &FileUtils::makeAllDirectories(@_);
124}
125
126# make hard link to file if supported by OS, otherwise copy the file
127sub hard_link {
128 warnings::warnif("deprecated", "util::hard_link() is deprecated, using FileUtils::hardLink() instead");
129 return &FileUtils::hardLink(@_);
130}
131
132# make soft link to file if supported by OS, otherwise copy file
133sub soft_link {
134 warnings::warnif("deprecated", "util::soft_link() is deprecated, using FileUtils::softLink() instead");
135 return &FileUtils::softLink(@_);
136}
137
138# Primarily for filenames generated by processing
139# content of HTML files (which are mapped to UTF-8 internally)
140#
141# To turn this into an octet string that really exists on the file
142# system:
143# 1. don't need to do anything special for Unix-based systems
144# (as underlying file system is byte-code)
145# 2. need to map to short DOS filenames for Windows
146
147sub utf8_to_real_filename
148{
149 my ($utf8_filename) = @_;
150
151 my $real_filename;
152
153 if (($ENV{'GSDLOS'} =~ m/^windows$/i) && ($^O ne "cygwin")) {
154 require Win32;
155
156 my $unicode_filename = decode("utf8",$utf8_filename);
157 $real_filename = Win32::GetShortPathName($unicode_filename);
158 }
159 else {
160 $real_filename = $utf8_filename;
161 }
162
163 return $real_filename;
164}
165
166sub raw_filename_to_unicode
167{
168 my ($directory, $raw_file, $filename_encoding ) = @_;
169
170 my $unicode_filename = $raw_file;
171 if (($ENV{'GSDLOS'} =~ m/^windows$/i) && ($^O ne "cygwin")) {
172 # Try turning a short version to the long version
173 # If there are "funny" characters in the file name, that can't be represented in the ANSI code, then we will have a short weird version, eg E74~1.txt
174 $unicode_filename = &util::get_dirsep_tail(&util::upgrade_if_dos_filename(&FileUtils::filenameConcatenate($directory, $raw_file), 0));
175
176
177 if ($unicode_filename eq $raw_file) {
178 # This means the original filename *was* able to be encoded in the local ANSI file encoding (eg windows_1252), so now we turn it back to perl's unicode
179
180 $unicode_filename = &Encode::decode(locale_fs => $unicode_filename);
181 }
182 # else This means we did have one of the funny filenames. the getLongPathName (used in upgrade_if_dos_filename) will return unicode, so we don't need to do anything more.
183
184
185 } else {
186 # we had a utf-8 string, turn it into perl internal unicode
187 $unicode_filename = &Encode::decode("utf-8", $unicode_filename);
188
189
190 }
191 #Does the filename have url encoded chars in it?
192 if (&unicode::is_url_encoded($unicode_filename)) {
193 $unicode_filename = &unicode::url_decode($unicode_filename);
194 }
195
196 # Normalise the filename to canonical composition - on mac, filenames use decopmposed form for accented chars
197 if ($ENV{'GSDLOS'} =~ m/^darwin$/i) {
198 $unicode_filename = normalize('C', $unicode_filename); # Composed form 'C'
199 }
200 return $unicode_filename;
201
202}
203sub fd_exists {
204 warnings::warnif("deprecated", "util::fd_exists() is deprecated, using FileUtils::fileTest() instead");
205 return &FileUtils::fileTest(@_);
206}
207
208sub file_exists {
209 warnings::warnif("deprecated", "util::file_exists() is deprecated, using FileUtils::fileExists() instead");
210 return &FileUtils::fileExists(@_);
211}
212
213sub dir_exists {
214 warnings::warnif("deprecated", "util::dir_exists() is deprecated, using FileUtils::directoryExists() instead");
215 return &FileUtils::directoryExists(@_);
216}
217
218# updates a copy of a directory in some other part of the filesystem
219# verbosity settings are: 0=low, 1=normal, 2=high
220# both $fromdir and $todir should be absolute paths
221sub cachedir {
222 warnings::warnif("deprecated", "util::cachedir() is deprecated, using FileUtils::synchronizeDirectories() instead");
223 return &FileUtils::synchronizeDirectories(@_);
224}
225
226# this function returns -1 if either file is not found
227# assumes that $file1 and $file2 are absolute file names or
228# in the current directory
229# $file2 is allowed to be newer than $file1
230sub differentfiles {
231 warnings::warnif("deprecated", "util::differentfiles() is deprecated, using FileUtils::differentFiles() instead");
232 return &FileUtils::differentFiles(@_);
233}
234
235
236# works out the temporary directory, including in the case where Greenstone is not writable
237# In that case, gs3-setup.bat would already have set the GS_TMP_OUTPUT_DIR temp variable
238sub determine_tmp_dir
239{
240 my $try_collect_dir = shift(@_) || 0;
241
242 my $tmp_dirname;
243 if(defined $ENV{'GS_TMP_OUTPUT_DIR'}) {
244 $tmp_dirname = $ENV{'GS_TMP_OUTPUT_DIR'};
245 } elsif($try_collect_dir && defined $ENV{'GSDLCOLLECTDIR'}) {
246 $tmp_dirname = $ENV{'GSDLCOLLECTDIR'};
247 } elsif(defined $ENV{'GSDLHOME'}) {
248 $tmp_dirname = $ENV{'GSDLHOME'};
249 } else {
250 return undef;
251 }
252
253 if(!defined $ENV{'GS_TMP_OUTPUT_DIR'}) {
254 # test the tmp_dirname folder is writable, by trying to write out a file
255 # Unfortunately, cound not get if(-w $dirname) to work on directories on Windows
256 ## http://alvinalexander.com/blog/post/perl/perl-file-test-operators-reference-cheat-sheet (test file/dir writable)
257 ## http://www.makelinux.net/alp/083 (real and effective user IDs)
258
259 my $tmp_test_file = &FileUtils::filenameConcatenate($tmp_dirname, "writability_test.tmp");
260 if (open (FOUT, ">$tmp_test_file")) {
261 close(FOUT);
262 &FileUtils::removeFiles($tmp_test_file);
263 } else { # location not writable, use TMP location
264 $tmp_dirname = &FileUtils::filenameConcatenate($ENV{'TMP'}, "greenstone");
265 $ENV{'GS_TMP_OUTPUT_DIR'} = $tmp_dirname; # store for next time
266 }
267 }
268
269 $tmp_dirname = &FileUtils::filenameConcatenate($tmp_dirname, "tmp");
270 &FileUtils::makeAllDirectories ($tmp_dirname) unless -e $tmp_dirname;
271
272 return $tmp_dirname;
273}
274
275sub get_tmp_filename
276{
277 my $file_ext = shift(@_) || undef;
278
279 my $opt_dot_file_ext = "";
280 if (defined $file_ext) {
281 if ($file_ext !~ m/\./) {
282 # no dot, so needs one added in at start
283 $opt_dot_file_ext = ".$file_ext"
284 }
285 else {
286 # allow for "extensions" such as _metadata.txt to be handled
287 # gracefully
288 $opt_dot_file_ext = $file_ext;
289 }
290 }
291
292 my $tmpdir = &util::determine_tmp_dir(0);
293
294 my $count = 1000;
295 my $rand = int(rand $count);
296 my $full_tmp_filename = &FileUtils::filenameConcatenate($tmpdir, "F$rand$opt_dot_file_ext");
297
298 while (-e $full_tmp_filename) {
299 $rand = int(rand $count);
300 $full_tmp_filename = &FileUtils::filenameConcatenate($tmpdir, "F$rand$opt_dot_file_ext");
301 $count++;
302 }
303
304 return $full_tmp_filename;
305}
306
307# These 2 are "static" variables used by the get_timestamped_tmp_folder() subroutine below and
308# belong with that function. They help ensure the timestamped tmp folders generated are unique.
309my $previous_timestamp = undef;
310my $previous_timestamp_f = 0; # frequency
311
312sub get_timestamped_tmp_folder
313{
314 my $tmp_dirname = &util::determine_tmp_dir(1);
315
316 # add the timestamp into the path otherwise we can run into problems
317 # if documents have the same name
318 my $timestamp = time;
319
320 if (!defined $previous_timestamp || ($timestamp > $previous_timestamp)) {
321 $previous_timestamp_f = 0;
322 $previous_timestamp = $timestamp;
323 } else {
324 $previous_timestamp_f++;
325 }
326
327 my $time_tmp_dirname = &FileUtils::filenameConcatenate($tmp_dirname, $timestamp);
328 $tmp_dirname = $time_tmp_dirname;
329 my $i = $previous_timestamp_f;
330
331 if($previous_timestamp_f > 0) {
332 $tmp_dirname = $time_tmp_dirname."_".$i;
333 $i++;
334 }
335 while (-e $tmp_dirname) {
336 $tmp_dirname = $time_tmp_dirname."_".$i;
337 $i++;
338 }
339 &FileUtils::makeDirectory($tmp_dirname);
340
341 return $tmp_dirname;
342}
343
344sub get_parent_folder
345{
346 my ($path) = @_;
347 my ($tailname, $dirname, $suffix)
348 = &File::Basename::fileparse($path, "\\.[^\\.]+\$");
349
350 return &FileUtils::sanitizePath($dirname);
351}
352
353sub get_timestamped_tmp_filename_in_collection
354{
355
356 my ($input_filename, $output_ext) = @_;
357 # derive tmp filename from input filename
358 my ($tailname, $dirname, $suffix)
359 = &File::Basename::fileparse($input_filename, "\\.[^\\.]+\$");
360
361 # softlink to collection tmp dir
362 my $tmp_dirname = &util::get_timestamped_tmp_folder();
363 $tmp_dirname = $dirname unless defined $tmp_dirname;
364
365 # following two steps copied from ConvertBinaryFile
366 # do we need them?? can't use them as is, as they use plugin methods.
367
368 #$tailname = $self->SUPER::filepath_to_utf8($tailname) unless &unicode::check_is_utf8($tailname);
369
370 # URLEncode this since htmls with images where the html filename is utf8 don't seem
371 # to work on Windows (IE or Firefox), as browsers are looking for filesystem-encoded
372 # files on the filesystem.
373 #$tailname = &util::rename_file($tailname, $self->{'file_rename_method'}, "without_suffix");
374 if (defined $output_ext) {
375 $output_ext = ".$output_ext"; # add the dot
376 } else {
377 $output_ext = $suffix;
378 }
379 $output_ext= lc($output_ext);
380 my $tmp_filename = &FileUtils::filenameConcatenate($tmp_dirname, "$tailname$output_ext");
381
382 return $tmp_filename;
383}
384
385sub get_toplevel_tmp_dir
386{
387 return &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "tmp");
388}
389
390
391sub get_collectlevel_tmp_dir
392{
393 my $tmp_dirname = &FileUtils::filenameConcatenate($ENV{'GSDLCOLLECTDIR'}, "tmp");
394 &FileUtils::makeDirectory($tmp_dirname) if (!-e $tmp_dirname);
395
396 return $tmp_dirname;
397}
398
399
400sub filename_to_regex {
401 my $filename = shift (@_);
402
403 # need to make single backslashes double so that regex works
404 $filename =~ s/\\/\\\\/g; # if ($ENV{'GSDLOS'} =~ /^windows$/i);
405
406 # note that the first part of a substitution is a regex, so RE chars need to be escaped,
407 # the second part of a substitution is not a regex, so for e.g. full-stop can be specified literally
408 $filename =~ s/\./\\./g; # in case there are extensions/other full stops, escape them
409 $filename =~ s@\(@\\(@g; # escape brackets
410 $filename =~ s@\)@\\)@g; # escape brackets
411 $filename =~ s@\[@\\[@g; # escape brackets
412 $filename =~ s@\]@\\]@g; # escape brackets
413
414 return $filename;
415}
416
417sub unregex_filename {
418 my $filename = shift (@_);
419
420 # need to put doubled backslashes for regex back to single
421 $filename =~ s/\\\./\./g; # remove RE syntax for .
422 $filename =~ s@\\\(@(@g; # remove RE syntax for ( => "\(" turns into "("
423 $filename =~ s@\\\)@)@g; # remove RE syntax for ) => "\)" turns into ")"
424 $filename =~ s@\\\[@[@g; # remove RE syntax for [ => "\[" turns into "["
425 $filename =~ s@\\\]@]@g; # remove RE syntax for ] => "\]" turns into "]"
426
427 # \\ goes to \
428 # This is the last step in reverse mirroring the order of steps in filename_to_regex()
429 $filename =~ s/\\\\/\\/g; # remove RE syntax for \
430 return $filename;
431}
432
433sub filename_cat {
434 # I've disabled this warning for now, as every Greenstone perl
435 # script seems to make use of this function and so you drown in a
436 # sea of deprecated warnings [jmt12]
437# warnings::warnif("deprecated", "util::filename_cat() is deprecated, using FileUtils::filenameConcatenate() instead");
438 return &FileUtils::filenameConcatenate(@_);
439}
440
441
442sub _pathname_cat {
443 my $join_char = shift(@_);
444 my $first_path = shift(@_);
445 my (@pathnames) = @_;
446
447 # If first_path is not null or empty, then add it back into the list
448 if (defined $first_path && $first_path =~ /\S/) {
449 unshift(@pathnames, $first_path);
450 }
451
452 my $pathname = join($join_char, @pathnames);
453
454 # remove duplicate slashes
455 if ($join_char eq ";") {
456 $pathname =~ s/[\\\/]+/\\/g;
457 if ($^O eq "cygwin") {
458 # Once we've collapsed muliple (potentialy > 2) slashes
459 # For cygwin, actually want things double-backslahed
460 $pathname =~ s/\\/\\\\/g;
461 }
462
463 } else {
464 $pathname =~ s/[\/]+/\//g;
465 # DB: want a pathname abc\de.html to remain like this
466 }
467
468 return $pathname;
469}
470
471
472sub pathname_cat {
473 my (@pathnames) = @_;
474
475 my $join_char;
476 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
477 $join_char = ";";
478 } else {
479 $join_char = ":";
480 }
481 return _pathname_cat($join_char,@pathnames);
482}
483
484
485sub javapathname_cat {
486 my (@pathnames) = @_;
487
488 my $join_char;
489
490 # Unlike pathname_cat() above, not interested if running in a Cygwin environment
491 # This is because the java we run is actually a native Windows executable
492
493 if (($ENV{'GSDLOS'} =~ /^windows$/i)) {
494 $join_char = ";";
495 } else {
496 $join_char = ":";
497 }
498 return _pathname_cat($join_char,@pathnames);
499}
500
501
502sub makeFilenameJavaCygwinCompatible
503{
504 my ($java_filename) = @_;
505
506 if ($^O eq "cygwin") {
507 # To be used with a Java program, but under Cygwin
508 # Because the java binary that is native to Windows, need to
509 # convert the Cygwin paths (i.e. Unix style) to be Windows
510 # compatible
511
512 $java_filename = `cygpath -wp "$java_filename"`;
513 chomp($java_filename);
514 $java_filename =~ s%\\%\\\\%g;
515 }
516
517 return $java_filename;
518}
519
520sub tidy_up_oid {
521 my ($OID) = @_;
522 if ($OID =~ /[\.\/\\]/) {
523 print STDERR "Warning, identifier $OID contains periods or slashes(.\\\/), replacing them with _\n";
524 $OID =~ s/[\.\\\/]/_/g; #remove any periods
525 }
526 if ($OID =~ /^\s.*\s$/) {
527 print STDERR "Warning, identifier $OID starts or ends with whitespace. Removing it\n";
528 # remove starting and trailing whitespace
529 $OID =~ s/^\s+//;
530 $OID =~ s/\s+$//;
531 }
532 if ($OID =~ /^[\d]*$/) {
533 print STDERR "Warning, identifier $OID contains only digits. Prepending 'D'.\n";
534 $OID = "D" . $OID;
535 }
536
537 return $OID;
538}
539
540sub envvar_prepend {
541 my ($var,$val) = @_;
542
543 # 64 bit linux can't handle ";" as path separator, so make sure to set this to the right one for the OS
544## my $pathsep = (defined $ENV{'GSDLOS'} && $ENV{'GSDLOS'} !~ m/windows/) ? ":" : ";";
545
546 # Rewritten above to make ":" the default (Windows is the special
547 # case, anything else 'unusual' such as Solaris etc is Unix)
548 my $pathsep = (defined $ENV{'GSDLOS'} && (($ENV{'GSDLOS'} =~ m/windows/) && ($^O ne "cygwin"))) ? ";" : ":";
549
550 # do not prepend any value/path that's already in the environment variable
551
552 my $escaped_val = &filename_to_regex($val); # escape any backslashes and brackets for upcoming regex
553 if (!defined($ENV{$var})) {
554 $ENV{$var} = "$val";
555 }
556 elsif($ENV{$var} !~ m/$escaped_val/) {
557 $ENV{$var} = "$val".$pathsep.$ENV{$var};
558 }
559}
560
561sub envvar_append {
562 my ($var,$val) = @_;
563
564 # 64 bit linux can't handle ";" as path separator, so make sure to set this to the right one for the OS
565 my $pathsep = (defined $ENV{'GSDLOS'} && $ENV{'GSDLOS'} !~ m/windows/) ? ":" : ";";
566
567 # do not append any value/path that's already in the environment variable
568
569 my $escaped_val = &filename_to_regex($val); # escape any backslashes and brackets for upcoming regex
570 if (!defined($ENV{$var})) {
571 $ENV{$var} = "$val";
572 }
573 elsif($ENV{$var} !~ m/$escaped_val/) {
574 $ENV{$var} = $ENV{$var}.$pathsep."$val";
575 }
576}
577
578
579
580# splits a filename into a prefix and a tail extension using the tail_re, or
581# if that fails, splits on the file_extension . (dot)
582sub get_prefix_and_tail_by_regex {
583
584 my ($filename,$tail_re) = @_;
585
586 my ($file_prefix,$file_ext) = ($filename =~ m/^(.*?)($tail_re)$/);
587 if ((!defined $file_prefix) || (!defined $file_ext)) {
588 ($file_prefix,$file_ext) = ($filename =~ m/^(.*)(\..*?)$/);
589 }
590
591 return ($file_prefix,$file_ext);
592}
593
594# get full path and file only path from a base_dir (which may be empty) and
595# file (which may contain directories)
596sub get_full_filenames {
597 my ($base_dir, $file) = @_;
598
599# my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(0);
600# my ($lcfilename) = ($cfilename =~ m/([^\\\/]*)$/);
601# print STDERR "** Calling method: $lcfilename:$cline $cpackage->$csubr\n";
602
603
604 my $filename_full_path = $file;
605 # add on directory if present
606 $filename_full_path = &FileUtils::filenameConcatenate($base_dir, $file) if $base_dir =~ /\S/;
607
608 my $filename_no_path = $file;
609
610 # remove directory if present
611 $filename_no_path =~ s/^.*[\/\\]//;
612 return ($filename_full_path, $filename_no_path);
613}
614
615# returns the path of a file without the filename -- ie. the directory the file is in
616sub filename_head {
617 my $filename = shift(@_);
618
619 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
620 $filename =~ s/[^\\\\]*$//;
621 }
622 else {
623 $filename =~ s/[^\\\/]*$//;
624 }
625
626 return $filename;
627}
628
629
630
631# returns 1 if filename1 and filename2 point to the same
632# file or directory
633sub filenames_equal {
634 my ($filename1, $filename2) = @_;
635
636 # use filename_cat to clean up trailing slashes and
637 # multiple slashes
638 $filename1 = &FileUtils::filenameConcatenate($filename1);
639 $filename2 = &FileUtils::filenameConcatenate($filename2);
640
641 # filenames not case sensitive on windows
642 if ($ENV{'GSDLOS'} =~ /^windows$/i) {
643 $filename1 =~ tr/[A-Z]/[a-z]/;
644 $filename2 =~ tr/[A-Z]/[a-z]/;
645 }
646 return 1 if $filename1 eq $filename2;
647 return 0;
648}
649
650# If filename is relative to within_dir, returns the relative path of filename to that directory
651# with slashes in the filename returned as they were in the original (absolute) filename.
652sub filename_within_directory
653{
654 my ($filename,$within_dir) = @_;
655
656 if ($within_dir !~ m/[\/\\]$/) {
657 my $dirsep = &util::get_dirsep();
658 $within_dir .= $dirsep;
659 }
660
661 $within_dir = &filename_to_regex($within_dir); # escape DOS style file separator and brackets
662 if ($filename =~ m/^$within_dir(.*)$/) {
663 $filename = $1;
664 }
665
666 return $filename;
667}
668
669# If filename is relative to within_dir, returns the relative path of filename to that directory in URL format.
670# Filename and within_dir can be any type of slashes, but will be compared as URLs (i.e. unix-style slashes).
671# The subpath returned will also be a URL type filename.
672sub filename_within_directory_url_format
673{
674 my ($filename,$within_dir) = @_;
675
676 # convert parameters only to / slashes if Windows
677
678 my $filename_urlformat = &filepath_to_url_format($filename);
679 my $within_dir_urlformat = &filepath_to_url_format($within_dir);
680
681 #if ($within_dir_urlformat !~ m/\/$/) {
682 # make sure directory ends with a slash
683 #$within_dir_urlformat .= "/";
684 #}
685
686 my $within_dir_urlformat_re = &filename_to_regex($within_dir_urlformat); # escape any special RE characters, such as brackets
687
688 #print STDERR "@@@@@ $filename_urlformat =~ $within_dir_urlformat_re\n";
689
690 # dir prefix may or may not end with a slash (this is discarded when extracting the sub-filepath)
691 if ($filename_urlformat =~ m/^$within_dir_urlformat_re(?:\/)*(.*)$/) {
692 $filename_urlformat = $1;
693 }
694
695 return $filename_urlformat;
696}
697
698# Convert parameter to use / slashes if Windows (if on Linux leave any \ as is,
699# since on Linux it doesn't represent a file separator but an escape char).
700sub filepath_to_url_format
701{
702 my ($filepath) = @_;
703 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
704 # Only need to worry about Windows, as Unix style directories already in url-format
705 # Convert Windows style \ => /
706 $filepath =~ s@\\@/@g;
707 }
708 return $filepath;
709}
710
711# regex filepaths on windows may include \\ as path separator. Convert \\ to /
712sub filepath_regex_to_url_format
713{
714 my ($filepath) = @_;
715 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
716 # Only need to worry about Windows, as Unix style directories already in url-format
717 # Convert Windows style \\ => /
718 $filepath =~ s@\\\\@/@g;
719 }
720 return $filepath;
721
722}
723
724# Like File::Basename::fileparse, but expects filepath in url format (ie only / slash for dirsep)
725# and ignores trailing /
726# returns (file, dirs) dirs will be empty if no subdirs
727sub url_fileparse
728{
729 my ($filepath) = @_;
730 # remove trailing /
731 $filepath =~ s@/$@@;
732 if ($filepath !~ m@/@) {
733 return ($filepath, "");
734 }
735 my ($dirs, $file) = $filepath =~ m@(.+/)([^/]+)@;
736 return ($file, $dirs);
737
738}
739
740
741sub filename_within_collection
742{
743 my ($filename) = @_;
744
745 my $collect_dir = $ENV{'GSDLCOLLECTDIR'};
746
747 if (defined $collect_dir) {
748
749 # if from within GSDLCOLLECTDIR, then remove directory prefix
750 # so source_filename is realative to it. This is done to aid
751 # portability, i.e. the collection can be moved to somewhere
752 # else on the file system and the archives directory will still
753 # work. This is needed, for example in the applet version of
754 # GLI where GSDLHOME/collect on the server will be different to
755 # the collect directory of the remove user. Of course,
756 # GSDLCOLLECTDIR subsequently needs to be put back on to turn
757 # it back into a full pathname.
758
759 $filename = filename_within_directory($filename,$collect_dir);
760 }
761
762 return $filename;
763}
764
765sub prettyprint_file
766{
767 my ($base_dir,$file,$gli) = @_;
768
769 my $filename_full_path = &FileUtils::filenameConcatenate($base_dir,$file);
770
771 if (($ENV{'GSDLOS'} =~ m/^windows$/i) && ($^O ne "cygwin")) {
772 require Win32;
773
774 # For some reason base_dir in the form c:/a/b/c
775 # This leads to confusion later on, so turn it back into
776 # the more usual Windows form
777 $base_dir =~ s/\//\\/g;
778 my $long_base_dir = Win32::GetLongPathName($base_dir);
779 my $long_full_path = Win32::GetLongPathName($filename_full_path);
780
781 $file = filename_within_directory($long_full_path,$long_base_dir);
782 $file = encode("utf8",$file) if ($gli);
783 }
784
785 return $file;
786}
787
788
789sub upgrade_if_dos_filename
790{
791 my ($filename_full_path,$and_encode) = @_;
792
793 if (($ENV{'GSDLOS'} =~ m/^windows$/i) && ($^O ne "cygwin")) {
794 # Ensure any DOS-like filename, such as test~1.txt, has been upgraded
795 # to its long (Windows) version
796 my $long_filename = Win32::GetLongPathName($filename_full_path);
797 if (defined $long_filename) {
798
799 $filename_full_path = $long_filename;
800 }
801 # Make sure initial drive letter is lower-case (to fit in with rest of Greenstone)
802 $filename_full_path =~ s/^(.):/\u$1:/;
803
804 if ((defined $and_encode) && ($and_encode)) {
805 $filename_full_path = encode("utf8",$filename_full_path);
806 }
807 }
808
809 return $filename_full_path;
810}
811
812
813sub downgrade_if_dos_filename
814{
815 my ($filename_full_path) = @_;
816
817 if (($ENV{'GSDLOS'} =~ m/^windows$/i) && ($^O ne "cygwin")) {
818 require Win32;
819
820 # Ensure the given long Windows filename is in a form that can
821 # be opened by Perl => convert it to a short DOS-like filename
822
823 my $short_filename = Win32::GetShortPathName($filename_full_path);
824 if (defined $short_filename) {
825 $filename_full_path = $short_filename;
826 }
827 # Make sure initial drive letter is lower-case (to fit in
828 # with rest of Greenstone)
829 $filename_full_path =~ s/^(.):/\u$1:/;
830 }
831
832 return $filename_full_path;
833}
834
835
836sub filename_is_absolute
837{
838 warnings::warnif("deprecated", "util::filename_is_absolute() is deprecated, using FileUtils::isFilenameAbsolute() instead");
839 return &FileUtils::isFilenameAbsolute(@_);
840}
841
842
843## @method make_absolute()
844#
845# Ensure the given file path is absolute in respect to the given base path.
846#
847# @param $base_dir A string denoting the base path the given dir must be
848# absolute to.
849# @param $dir The directory to be made absolute as a string. Note that the
850# dir may already be absolute, in which case it will remain
851# unchanged.
852# @return The now absolute form of the directory as a string.
853#
854# @author John Thompson, DL Consulting Ltd.
855# @copy 2006 DL Consulting Ltd.
856#
857#used in buildcol.pl, doesn't work for all cases --kjdon
858sub make_absolute {
859
860 my ($base_dir, $dir) = @_;
861### print STDERR "dir = $dir\n";
862 $dir =~ s/[\\\/]+/\//g;
863 $dir = $base_dir . "/$dir" unless ($dir =~ m|^(\w:)?/|);
864 $dir =~ s|^/tmp_mnt||;
865 1 while($dir =~ s|/[^/]*/\.\./|/|g);
866 $dir =~ s|/[.][.]?/|/|g;
867 $dir =~ tr|/|/|s;
868### print STDERR "dir = $dir\n";
869
870 return $dir;
871}
872## make_absolute() ##
873
874sub get_dirsep {
875
876 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
877 return "\\";
878 } else {
879 return "\/";
880 }
881}
882
883sub get_os_dirsep {
884
885 if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin")) {
886 return "\\\\";
887 } else {
888 return "\\\/";
889 }
890}
891
892sub get_re_dirsep {
893
894 return "\\\\|\\\/";
895}
896
897
898sub get_dirsep_tail {
899 my ($filename) = @_;
900
901 # returns last part of directory or filename
902 # On unix e.g. a/b.d => b.d
903 # a/b/c => c
904
905 my $dirsep = get_re_dirsep();
906 my @dirs = split (/$dirsep/, $filename);
907 my $tail = pop @dirs;
908
909 # - caused problems under windows
910 #my ($tail) = ($filename =~ m/^(?:.*?$dirsep)?(.*?)$/);
911
912 return $tail;
913}
914
915
916# if this is running on windows we want binaries to end in
917# .exe, otherwise they don't have to end in any extension
918sub get_os_exe {
919 return ".exe" if (($ENV{'GSDLOS'} =~ /^windows$/i) && ($^O ne "cygwin"));
920 return "";
921}
922
923
924# test to see whether this is a big or little endian machine
925sub is_little_endian
926{
927 # To determine the name of the operating system, the variable $^O is a cheap alternative to pulling it out of the Config module;
928 # If it is a Macintosh machine (i.e. the Darwin operating system), regardless if it's running on the IBM power-pc cpu or the x86 Intel-based chip with a power-pc emulator running on top of it, it's big-endian
929 # Otherwise, it's little endian
930
931 #return 0 if $^O =~ /^darwin$/i;
932 #return 0 if $ENV{'GSDLOS'} =~ /^darwin$/i;
933
934 # Going back to stating exactly whether the machine is little endian
935 # or big endian, without any special case for Macs. Since for rata it comes
936 # back with little endian and for shuttle with bigendian.
937 return (ord(substr(pack("s",1), 0, 1)) == 1);
938}
939
940
941# will return the collection name if successful, "" otherwise
942sub use_collection {
943 my ($collection, $collectdir) = @_;
944
945 if (!defined $collectdir || $collectdir eq "") {
946 $collectdir = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "collect");
947 }
948
949 if (!defined $ENV{'GREENSTONEHOME'}) { # for GS3, would have been defined in use_site_collection, to GSDL3HOME
950 $ENV{'GREENSTONEHOME'} = $ENV{'GSDLHOME'};
951 }
952
953 # get and check the collection
954 if (!defined($collection) || $collection eq "") {
955 if (defined $ENV{'GSDLCOLLECTION'}) {
956 $collection = $ENV{'GSDLCOLLECTION'};
957 } else {
958 print STDOUT "No collection specified\n";
959 return "";
960 }
961 }
962
963 if ($collection eq "modelcol") {
964 print STDOUT "You can't use modelcol.\n";
965 return "";
966 }
967
968 # make sure the environment variables GSDLCOLLECTION and GSDLCOLLECTDIR
969 # are defined
970 $ENV{'GSDLCOLLECTION'} = $collection;
971 $ENV{'GSDLCOLLECTHOME'} = $collectdir;
972 $ENV{'GSDLCOLLECTDIR'} = &FileUtils::filenameConcatenate($collectdir, $collection);
973
974 # make sure this collection exists
975 if (!-e $ENV{'GSDLCOLLECTDIR'}) {
976 print STDOUT "Invalid collection ($collection).\n";
977 return "";
978 }
979
980 # everything is ready to go
981 return $collection;
982}
983
984sub get_current_collection_name {
985 return $ENV{'GSDLCOLLECTION'};
986}
987
988
989# will return the collection name if successful, "" otherwise.
990# Like use_collection (above) but for greenstone 3 (taking account of site level)
991
992sub use_site_collection {
993 my ($site, $collection, $collectdir) = @_;
994
995 if (!defined $collectdir || $collectdir eq "") {
996 die "GSDL3HOME not set.\n" unless defined $ENV{'GSDL3HOME'};
997 $collectdir = &FileUtils::filenameConcatenate($ENV{'GSDL3HOME'}, "sites", $site, "collect");
998 }
999
1000 if (defined $ENV{'GSDL3HOME'}) {
1001 $ENV{'GREENSTONEHOME'} = $ENV{'GSDL3HOME'};
1002 $ENV{'SITEHOME'} = &FileUtils::filenameConcatenate($ENV{'GREENSTONEHOME'}, "sites", $site);
1003 } elsif (defined $ENV{'GSDL3SRCHOME'}) {
1004 $ENV{'GREENSTONEHOME'} = &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'}, "web");
1005 $ENV{'SITEHOME'} = &FileUtils::filenameConcatenate($ENV{'GREENSTONEHOME'}, "sites", $site);
1006 } else {
1007 print STDERR "*** util::use_site_collection(). Warning: Neither GSDL3HOME nor GSDL3SRCHOME set.\n";
1008 }
1009
1010 # collectdir explicitly set by this point (using $site variable if required).
1011 # Can call "old" gsdl2 use_collection now.
1012
1013 return use_collection($collection,$collectdir);
1014}
1015
1016
1017
1018sub locate_config_file
1019{
1020 my ($file) = @_;
1021
1022 my $locations = locate_config_files($file);
1023
1024 return shift @$locations; # returns undef if 'locations' is empty
1025}
1026
1027
1028sub locate_config_files
1029{
1030 my ($file) = @_;
1031
1032 my @locations = ();
1033
1034 if (-e $file) {
1035 # Clearly specified (most likely full filename)
1036 # No need to hunt in 'etc' directories, return value unchanged
1037 push(@locations,$file);
1038 }
1039 else {
1040 # Check for collection specific one before looking in global GSDL 'etc'
1041 if (defined $ENV{'GSDLCOLLECTDIR'} && $ENV{'GSDLCOLLECTDIR'} ne "") {
1042 my $test_collect_etc_filename
1043 = &FileUtils::filenameConcatenate($ENV{'GSDLCOLLECTDIR'},"etc", $file);
1044
1045 if (-e $test_collect_etc_filename) {
1046 push(@locations,$test_collect_etc_filename);
1047 }
1048 }
1049 my $test_main_etc_filename
1050 = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"etc", $file);
1051 if (-e $test_main_etc_filename) {
1052 push(@locations,$test_main_etc_filename);
1053 }
1054 }
1055
1056 return \@locations;
1057}
1058
1059
1060sub hyperlink_text
1061{
1062 my ($text) = @_;
1063
1064 $text =~ s/(http:\/\/[^\s]+)/<a href=\"$1\">$1<\/a>/mg;
1065 $text =~ s/(^|\s+)(www\.(\w|\.)+)/<a href=\"http:\/\/$2\">$2<\/a>/mg;
1066
1067 return $text;
1068}
1069
1070
1071# A method to check if a directory is empty (note that an empty directory still has non-zero size!!!)
1072# Code is from http://episteme.arstechnica.com/eve/forums/a/tpc/f/6330927813/m/436007700831
1073sub is_dir_empty {
1074 warnings::warnif("deprecated", "util::is_dir_empty() is deprecated, using FileUtils::isDirectoryEmpty() instead");
1075 return &FileUtils::isDirectoryEmpty(@_);
1076}
1077
1078# Returns the given filename converted using either URL encoding or base64
1079# encoding, as specified by $rename_method. If the given filename has no suffix
1080# (if it is just the tailname), then $no_suffix should be some defined value.
1081# rename_method can be url, none, base64
1082sub rename_file {
1083 my ($filename, $rename_method, $no_suffix) = @_;
1084
1085 if(!$filename) { # undefined or empty string
1086 return $filename;
1087 }
1088
1089 if (!$rename_method) {
1090 print STDERR "WARNING: no file renaming method specified. Defaulting to using URL encoding...\n";
1091 # Debugging information
1092 # my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(1);
1093 # print STDERR "Called from method: $cfilename:$cline $cpackage->$csubr\n";
1094 $rename_method = "url";
1095 } elsif($rename_method eq "none") {
1096 return $filename; # would have already been renamed
1097 }
1098
1099 # No longer replace spaces with underscores, since underscores mess with incremental rebuild
1100 ### Replace spaces with underscore. Do this first else it can go wrong below when getting tailname
1101 ###$filename =~ s/ /_/g;
1102
1103 my ($tailname,$dirname,$suffix);
1104 if($no_suffix) { # given a tailname, no suffix
1105 ($tailname,$dirname) = File::Basename::fileparse($filename);
1106 }
1107 else {
1108 ($tailname,$dirname,$suffix) = File::Basename::fileparse($filename, "\\.(?:[^\\.]+?)\$");
1109 }
1110 if (!$suffix) {
1111 $suffix = "";
1112 }
1113 # This breaks GLI matching extracted metadata to files in Enrich panel, as
1114 # original is eg .JPG while gsdlsourcefilename ends up .jpg
1115 # Not sure why it was done in first place...
1116 #else {
1117 #$suffix = lc($suffix);
1118 #}
1119
1120 if ($rename_method eq "url") {
1121 $tailname = &unicode::url_encode($tailname);
1122 }
1123 elsif ($rename_method eq "base64") {
1124 $tailname = &unicode::base64_encode($tailname);
1125 $tailname =~ s/\s*//sg; # for some reason it adds spaces not just at end but also in middle
1126 }
1127
1128 $filename = "$tailname$suffix";
1129 $filename = "$dirname$filename" if ($dirname ne "./" && $dirname ne ".\\");
1130
1131 return $filename;
1132}
1133
1134
1135# BACKWARDS COMPATIBILITY: Just in case there are old .ldb/.bdb files
1136sub rename_ldb_or_bdb_file {
1137 my ($filename_no_ext) = @_;
1138
1139 my $new_filename = "$filename_no_ext.gdb";
1140 return if (-f $new_filename); # if the file has the right extension, don't need to do anything
1141 # try ldb
1142 my $old_filename = "$filename_no_ext.ldb";
1143
1144 if (-f $old_filename) {
1145 print STDERR "Renaming $old_filename to $new_filename\n";
1146 rename ($old_filename, $new_filename)
1147 || print STDERR "Rename failed: $!\n";
1148 return;
1149 }
1150 # try bdb
1151 $old_filename = "$filename_no_ext.bdb";
1152 if (-f $old_filename) {
1153 print STDERR "Renaming $old_filename to $new_filename\n";
1154 rename ($old_filename, $new_filename)
1155 || print STDERR "Rename failed: $!\n";
1156 return;
1157 }
1158}
1159
1160sub os_dir() {
1161
1162 my $gsdlarch = "";
1163 if(defined $ENV{'GSDLARCH'}) {
1164 $gsdlarch = $ENV{'GSDLARCH'};
1165 }
1166 return $ENV{'GSDLOS'}.$gsdlarch;
1167}
1168
1169# returns 1 if this (GS server) is a GS3 installation, returns 0 if it's GS2.
1170sub is_gs3() {
1171 if($ENV{'GSDL3SRCHOME'}) {
1172 return 1;
1173 } else {
1174 return 0;
1175 }
1176}
1177
1178# Returns the greenstone URL prefix extracted from the appropriate GS2/GS3 config file.
1179# By default, /greenstone3 for GS3 or /greenstone for GS2.
1180sub get_greenstone_url_prefix() {
1181 # if already set on a previous occasion, just return that
1182 # (Don't want to keep repeating this: cost of re-opening and scanning files.)
1183 return $ENV{'GREENSTONE_URL_PREFIX'} if($ENV{'GREENSTONE_URL_PREFIX'});
1184
1185 my ($configfile, $urlprefix, $defaultUrlprefix);
1186 my @propertynames = ();
1187
1188 if($ENV{'GSDL3SRCHOME'}) {
1189 $defaultUrlprefix = "/greenstone3";
1190 $configfile = &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'}, "packages", "tomcat", "conf", "Catalina", "localhost", "greenstone3.xml");
1191 push(@propertynames, qw/path\s*\=/);
1192 } else {
1193 $defaultUrlprefix = "/greenstone";
1194 $configfile = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "cgi-bin", &os_dir(), "gsdlsite.cfg");
1195 push(@propertynames, (qw/\nhttpprefix/, qw/\ngwcgi/)); # inspect one property then the other
1196 }
1197
1198 $urlprefix = &extract_propvalue_from_file($configfile, \@propertynames);
1199
1200 if(!$urlprefix) { # no values found for URL prefix, use default values
1201 $urlprefix = $defaultUrlprefix;
1202 } else {
1203 #gwcgi can contain more than the wanted prefix, we split on / to get the first "directory" level
1204 $urlprefix =~ s/^\///; # remove the starting slash
1205 my @dirs = split(/(\\|\/)/, $urlprefix);
1206 $urlprefix = shift(@dirs);
1207
1208 if($urlprefix !~ m/^\//) { # in all cases: ensure the required forward slash is at the front
1209 $urlprefix = "/$urlprefix";
1210 }
1211 }
1212
1213 # set for the future
1214 $ENV{'GREENSTONE_URL_PREFIX'} = $urlprefix;
1215# print STDERR "*** in get_greenstone_url_prefix(): $urlprefix\n\n";
1216 return $urlprefix;
1217}
1218
1219
1220
1221#
1222# The following comes from activate.pl
1223#
1224# Designed to work with a server included with GS.
1225# - For GS3, we ask ant for the library URL.
1226# - For GS2, we derive the URL from the llssite.cfg file.
1227
1228sub get_full_greenstone_url_prefix
1229{
1230 # if already set on a previous occasion, just return that
1231 # (Don't want to keep repeating this: cost of re-opening and scanning files.)
1232 return $ENV{'GREENSTONE_URL_PREFIX'} if($ENV{'GREENSTONE_URL_PREFIX'});
1233
1234 my $gs_mode = ($ENV{'GSDL3SRCHOME'}) ? "gs3" : "gs2";
1235
1236 my $url = undef;
1237
1238 if($gs_mode eq "gs2") {
1239 my $llssite_cfg = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "llssite.cfg");
1240
1241 if(-f $llssite_cfg) {
1242 # check llssite.cfg for line with url property
1243 # for server.exe also need to use portnumber and enterlib properties
1244
1245 # Read in the entire contents of the file in one hit
1246 if (!open (FIN, $llssite_cfg)) {
1247 print STDERR "util::get_library_URL() failed to open $llssite_cfg ($!)\n";
1248 return undef;
1249 }
1250
1251 my $contents;
1252 sysread(FIN, $contents, -s FIN);
1253 close(FIN);
1254
1255 my @lines = split(/[\n\r]+/, $contents); # split on carriage-returns and/or linefeeds
1256 my $enterlib = "";
1257 my $portnumber = "8282"; # will remain empty (implicit port 80) unless it's specifically been assigned
1258
1259 foreach my $line (@lines) {
1260 if($line =~ m/^url=(.*)$/) {
1261 $url = $1;
1262 } elsif($line =~ m/^enterlib=(.*)$/) {
1263 $enterlib = $1;
1264 } elsif($line =~ m/^portnumber=(.*)$/) {
1265 $portnumber = $1;
1266 }
1267 }
1268
1269 if(!$url) {
1270 return undef;
1271 }
1272 elsif($url eq "URL_pending") { # library is not running
1273 # do not process url=URL_pending in the file, since for server.exe
1274 # this just means the Enter Library button hasn't been pressed yet
1275 $url = undef;
1276 }
1277 else {
1278 # In the case of server.exe, need to do extra work to get the proper URL
1279 # But first, need to know whether we're indeed dealing with server.exe:
1280
1281 # compare the URL's domain to the full URL
1282 # E.g. for http://localhost:8383/greenstone3/cgi-bin, the domain is localhost:8383
1283 my $uri = URI->new( $url );
1284 my $host = $uri->host;
1285 #print STDERR "@@@@@ host: $host\n";
1286 if($url =~ m/http:\/\/$host(\/)?$/) {
1287 #if($url !~ m/http:\/\/$host:$portnumber(\/)?/ || $url =~ m/http:\/\/$host(\/)?$/) {
1288 # (if the URL does not contain the portnumber, OR if the port is implicitly 80 and)
1289 # If the domain with http:// prefix is completely the same as the URL, assume server.exe
1290 # then the actual URL is the result of suffixing the port and enterlib properties in llssite.cfg
1291 $url = $url.":".$portnumber.$enterlib;
1292 } # else, apache web server
1293
1294 }
1295 }
1296 } elsif($gs_mode eq "gs3") {
1297 # Either check build.properties for tomcat.server, tomcat.port and app.name (and default servlet name).
1298 # app.name is stored in app.path by build.xml. Need to move app.name in build.properties from build.xml
1299
1300 # Or, run the new target get-default-servlet-url
1301 # the output can look like:
1302 #
1303 # Buildfile: build.xml
1304 # [echo] os.name: Windows Vista
1305 #
1306 # get-default-servlet-url:
1307 # [echo] http://localhost:8383/greenstone3/library
1308 # BUILD SUCCESSFUL
1309 # Total time: 0 seconds
1310
1311 #my $output = qx/ant get-default-servlet-url/; # backtick operator, to get STDOUT (else 2>&1)
1312 # - see http://stackoverflow.com/questions/799968/whats-the-difference-between-perls-backticks-system-and-exec
1313
1314 # The get-default-servlet-url ant target can be run from anywhere by specifying the
1315 # location of GS3's ant build.xml buildfile. Activate.pl can be run from anywhere for GS3
1316 # GSDL3SRCHOME will be set for GS3 by gs3-setup.sh, a step that would have been necessary
1317 # to run the activate.pl script in the first place
1318
1319 my $full_build_xml = &FileUtils::javaFilenameConcatenate($ENV{'GSDL3SRCHOME'},"build.xml");
1320
1321 my $perl_command = "ant -buildfile \"$full_build_xml\" get-default-servlet-url";
1322
1323 if (open(PIN, "$perl_command |")) {
1324 while (defined (my $perl_output_line = <PIN>)) {
1325
1326 if($perl_output_line =~ m@http:\/\/(\S*)@) { # grab all the non-whitespace chars
1327 $url="http://".$1;
1328 }
1329 }
1330 close(PIN);
1331 } else {
1332 print STDERR "util::get_library_URL() failed to run $perl_command to work out library URL for $gs_mode\n";
1333 }
1334 }
1335
1336 # either the url is still undef or it is now set
1337 #print STDERR "\n@@@@@ final URL:|$url|\n" if $url;
1338 #print STDERR "\n@@@@@ URL still undef\n" if !$url;
1339
1340 $ENV{'FULL_GREENSTONE_URL_PREFIX'} = $url;
1341
1342 return $url;
1343}
1344
1345
1346# Given a config file (xml or java properties file) and a list/array of regular expressions
1347# that represent property names to match on, this function will return the value for the 1st
1348# matching property name. If the return value is undefined, no matching property was found.
1349sub extract_propvalue_from_file() {
1350 my ($configfile, $propertynames) = @_;
1351
1352 my $value;
1353 unless(open(FIN, "<$configfile")) {
1354 print STDERR "extract_propvalue_from_file(): Unable to open $configfile. $!\n";
1355 return $value; # not initialised
1356 }
1357
1358 # Read the entire file at once, as one single line, then close it
1359 my $filecontents;
1360 {
1361 local $/ = undef;
1362 $filecontents = <FIN>;
1363 }
1364 close(FIN);
1365
1366 foreach my $regex (@$propertynames) {
1367 ($value) = $filecontents=~ m/$regex\s*(\S*)/s; # read value of the property given by regex up to the 1st space
1368 if($value) {
1369 $value =~ s/^\"//; # remove any startquotes
1370 $value =~ s/\".*$//; # remove the 1st endquotes (if any) followed by any xml
1371 last; # found value for a matching property, break from loop
1372 }
1373 }
1374
1375 return $value;
1376}
1377
1378# Subroutine that sources setup.bash, given GSDLHOME and GSDLOS and
1379# given that perllib is in @INC in order to invoke this subroutine.
1380# Call as follows -- after setting up INC to include perllib and
1381# after setting up GSDLHOME and GSDLOS:
1382#
1383# require util;
1384# &util::setup_greenstone_env($ENV{'GSDLHOME'}, $ENV{'GSDLOS'});
1385#
1386sub setup_greenstone_env() {
1387 my ($GSDLHOME, $GSDLOS) = @_;
1388
1389 #my %env_map = ();
1390 # Get the localised ENV settings of running a localised source setup.bash
1391 # and put it into the ENV here. Need to clear GSDLHOME before running setup
1392 #my $perl_command = "(cd $GSDLHOME; export GSDLHOME=; . ./setup.bash > /dev/null; env)";
1393 my $perl_command = "(cd $GSDLHOME; /bin/bash -c \"export GSDLHOME=; source setup.bash > /dev/null; env\")";
1394 if (($GSDLOS =~ m/windows/i) && ($^O ne "cygwin")) {
1395 #$perl_command = "cmd /C \"cd $GSDLHOME&& set GSDLHOME=&& setup.bat > nul&& set\"";
1396 $perl_command = "(cd $GSDLHOME&& set GSDLHOME=&& setup.bat > nul&& set)";
1397 }
1398 if (!open(PIN, "$perl_command |")) {
1399 print STDERR ("Unable to execute command: $perl_command. $!\n");
1400 }
1401
1402 my $lastkey;
1403 while (defined (my $perl_output_line = <PIN>)) {
1404 my($key,$value) = ($perl_output_line =~ m/^([^=]*)[=](.*)$/);
1405 if(defined $key) {
1406 #$env_map{$key}=$value;
1407 $ENV{$key}=$value;
1408 $lastkey = $key;
1409 } elsif($lastkey && $perl_output_line !~ m/^\s*$/) {
1410 # there was no equals sign in $perl_output_line, so this
1411 # $perl_output_line may be a spillover from the previous
1412 $ENV{$lastkey} = $ENV{$lastkey}."\n".$perl_output_line;
1413 }
1414 }
1415 close (PIN);
1416
1417 # If any keys in $ENV don't occur in Greenstone's localised env
1418 # (stored in $env_map), delete those entries from $ENV
1419 #foreach $key (keys %ENV) {
1420 # if(!defined $env_map{$key}) {
1421 # print STDOUT "**** DELETING ENV KEY: $key\tVALUE: $ENV{$key}\n";
1422 # delete $ENV{$key}; # del $ENV(key, value) pair
1423 # }
1424 #}
1425 #undef %env_map;
1426}
1427
1428sub get_perl_exec() {
1429 my $perl_exec = $^X; # may return just "perl"
1430
1431 if($ENV{'PERLPATH'}) {
1432 # OR: # $perl_exec = &FileUtils::filenameConcatenate($ENV{'PERLPATH'},"perl");
1433 if (($ENV{'GSDLOS'} =~ m/windows/) && ($^O ne "cygwin")) {
1434 $perl_exec = "$ENV{'PERLPATH'}\\Perl.exe";
1435 } else {
1436 $perl_exec = "$ENV{'PERLPATH'}/perl";
1437 }
1438 } else { # no PERLPATH, use Config{perlpath} else $^X: special variables
1439 # containing the full path to the current perl executable we're using
1440 $perl_exec = $Config{perlpath}; # configured path for perl
1441 if (!-e $perl_exec) { # may not point to location on this machine
1442 $perl_exec = $^X; # may return just "perl"
1443 if($perl_exec =~ m/^perl/i) { # warn if just perl or Perl.exe
1444 print STDERR "**** WARNING: Perl exec found contains no path: $perl_exec";
1445 }
1446 }
1447 }
1448
1449 return $perl_exec;
1450}
1451
1452# returns the path to the java command in the JRE included with GS (if any),
1453# quoted to safeguard any spaces in this path, otherwise a simple java
1454# command is returned which assumes and will try for a system java.
1455sub get_java_command {
1456 my $java = "java";
1457 if(defined $ENV{'GSDLHOME'}) { # should be, as this script would be launched from the cmd line
1458 # after running setup.bat or from GLI which also runs setup.bat
1459 my $java_bin = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"packages","jre","bin");
1460 if(-d $java_bin) {
1461 $java = &FileUtils::filenameConcatenate($java_bin,"java");
1462 $java = "\"".$java."\""; # quoted to preserve spaces in path
1463 }
1464 }
1465 return $java;
1466}
1467
1468
1469# Given the qualified collection name (colgroup/collection),
1470# returns the collection and colgroup parts
1471sub get_collection_parts {
1472 # http://perldoc.perl.org/File/Basename.html
1473 # my($filename, $directories, $suffix) = fileparse($path);
1474 # "$directories contains everything up to and including the last directory separator in the $path
1475 # including the volume (if applicable). The remainder of the $path is the $filename."
1476 #my ($collection, $colgroup) = &File::Basename::fileparse($qualified_collection);
1477
1478 my $qualified_collection = shift(@_);
1479
1480 # Since activate.pl can be launched from the command-line, including by a user,
1481 # best not to assume colgroup uses URL-style slashes as would be the case with GLI
1482 # Also allow for the accidental inclusion of multiple slashes
1483 my ($colgroup, $collection) = split(/[\/\\]+/, $qualified_collection); #split('/', $qualified_collection);
1484
1485 if(!defined $collection) {
1486 $collection = $colgroup;
1487 $colgroup = "";
1488 }
1489 return ($collection, $colgroup);
1490}
1491
1492# work out the "collectdir/collection" location
1493sub resolve_collection_dir {
1494 my ($collect_dir, $qualified_collection, $site) = @_; #, $gs_mode
1495
1496 if (defined $ENV{'GSDLCOLLECTDIR'}) { # a predefined collection dir exists
1497 return $ENV{'GSDLCOLLECTDIR'};
1498 }
1499
1500 my ($colgroup, $collection) = &util::get_collection_parts($qualified_collection);
1501
1502 if (!defined $collect_dir || !$collect_dir) { # if undefined or empty string
1503 $collect_dir = &util::get_working_collect_dir($site);
1504 }
1505
1506 return &FileUtils::filenameConcatenate($collect_dir,$colgroup,$collection);
1507}
1508
1509# work out the full path to "collect" of this greenstone 2/3 installation
1510sub get_working_collect_dir {
1511 my ($site) = @_;
1512
1513 if (defined $ENV{'GSDLCOLLECTHOME'}) { # a predefined collect dir exists
1514 return $ENV{'GSDLCOLLECTHOME'};
1515 }
1516
1517 if (defined $site && $site) { # site non-empty, so get default collect dir for GS3
1518
1519 if (defined $ENV{'GSDL3HOME'}) {
1520 return &FileUtils::filenameConcatenate($ENV{'GSDL3HOME'},"sites",$site,"collect"); # web folder
1521 }
1522 elsif (defined $ENV{'GSDL3SRCHOME'}) {
1523 return &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'},"web","sites",$site,"collect");
1524 }
1525 }
1526
1527 elsif (defined $ENV{'SITEHOME'}) {
1528 return &FileUtils::filenameConcatenate($ENV{'SITEHOME'},"collect");
1529 }
1530
1531 else { # get default collect dir for GS2
1532 return &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"collect");
1533 }
1534}
1535
1536sub is_abs_path_any_os {
1537 my ($path) = @_;
1538
1539 # We can have filenames in our DBs that were produced on other OS, so this method exists
1540 # to help identify absolute paths in such cases.
1541
1542 return 1 if($path =~ m@^/@); # full paths begin with forward slash on linux/mac
1543 return 1 if($path =~ m@^([a-zA-Z]\:|\\)@); # full paths begin with drive letter colon for Win or \ for volume, http://stackoverflow.com/questions/13011013/get-only-volume-name-from-filepath
1544
1545 return 0;
1546}
1547
1548
1549# This subroutine is for improving portability of Greenstone collections from one OS to another,
1550# to be used to convert absolute paths going into db files into paths with placeholders instead.
1551# This sub works with util::get_common_gs_paths and takes a path to a greenstone file and, if it's
1552# an absolute path, then it will replace the longest matching greenstone-path prefix of the given
1553# path with a placeholder to match.
1554# The Greenstone-path prefixes that can be matched are the following common Greenstone paths:
1555# the path to the current (specific) collection, the path to the general GS collect directory,
1556# the path to the site directory if GS3, else the path to the GSDLHOME/GSDL3HOME folder.
1557# The longest matching prefix will be replaced with the equivalent placeholder:
1558# @THISCOLLECTPATH@, else @COLLECTHOME@, else @SITEHOME@, else @GSDLHOME@.
1559sub abspath_to_placeholders {
1560 my $path = shift(@_); # path to convert from absolute to one with placeholders
1561 my $opt_long_or_short_winfilenames = shift(@_) || "short"; # whether we want to force use of long file names even on windows, default uses short
1562
1563 return $path unless is_abs_path_any_os($path); # path is relative
1564
1565 if ($opt_long_or_short_winfilenames eq "long") {
1566 $path = &util::upgrade_if_dos_filename($path); # will only do something on windows
1567 }
1568
1569 # now we know we're dealing with absolute paths and have to replace gs prefixes with placeholders
1570 my @gs_paths = ($ENV{'GSDLCOLLECTDIR'}, $ENV{'GSDLCOLLECTHOME'}, $ENV{'SITEHOME'}, $ENV{'GREENSTONEHOME'}); # list in this order: from longest to shortest path
1571
1572 my %placeholder_map = ($ENV{'GREENSTONEHOME'} => '@GSDLHOME@', # can't use double-quotes around at-sign, else perl tries to evaluate it as referring to an array
1573 $ENV{'GSDLCOLLECTHOME'} => '@COLLECTHOME@',
1574 $ENV{'GSDLCOLLECTDIR'} => '@THISCOLLECTPATH@'
1575 );
1576 $placeholder_map{$ENV{'SITEHOME'}} = '@SITEHOME@' if defined $ENV{'SITEHOME'};
1577
1578 $path = &util::_abspath_to_placeholders($path, \@gs_paths, \%placeholder_map);
1579
1580 if ($ENV{'GSDLOS'} =~ /^windows$/i && $opt_long_or_short_winfilenames eq "short") {
1581 # for windows need to look for matches on short file names too
1582 # matched paths are again to be replaced with the usual placeholders
1583
1584 my $gsdlcollectdir = &util::downgrade_if_dos_filename($ENV{'GSDLCOLLECTDIR'});
1585 my $gsdlcollecthome = &util::downgrade_if_dos_filename($ENV{'GSDLCOLLECTHOME'});
1586 my $sitehome = (defined $ENV{'SITEHOME'}) ? &util::downgrade_if_dos_filename($ENV{'SITEHOME'}) : undef;
1587 my $greenstonehome = &util::downgrade_if_dos_filename($ENV{'GREENSTONEHOME'});
1588
1589 @gs_paths = ($gsdlcollectdir, $gsdlcollecthome, $sitehome, $greenstonehome); # order matters
1590
1591 %placeholder_map = ($greenstonehome => '@GSDLHOME@', # can't use double-quotes around at-sign, else perl tries to evaluate it as referring to an array
1592 $gsdlcollecthome => '@COLLECTHOME@',
1593 $gsdlcollectdir => '@THISCOLLECTPATH@'
1594 );
1595 $placeholder_map{$sitehome} = '@SITEHOME@' if defined $sitehome;
1596
1597 $path = &util::_abspath_to_placeholders($path, \@gs_paths, \%placeholder_map);
1598 }
1599
1600 return $path;
1601}
1602
1603sub _abspath_to_placeholders {
1604 my ($path, $gs_paths_ref, $placeholder_map_ref) = @_;
1605
1606 # The sequence of elements in @gs_paths matters
1607 # Need to loop starting from the *longest* matching path (the path to the specific collection)
1608 # to the shortest matching path (the path to gsdlhome/gsdl3home folder):
1609
1610 foreach my $gs_path (@$gs_paths_ref) {
1611 next if(!defined $gs_path); # site undefined for GS2
1612
1613 my $re_path = &util::filename_to_regex($gs_path); # escape for regex
1614
1615 if($path =~ m/^$re_path/i) { # case sensitive or not for OS?
1616
1617 my $placeholder = $placeholder_map_ref->{$gs_path}; # get the placeholder to replace the matched path with
1618
1619 $path =~ s/^$re_path/$placeholder/; #case sensitive or not?
1620 #$path =~ s/^[\\\/]//; # remove gs_path's trailing separator left behind at the start of the path
1621 # lowercase file extension, This is needed when shortfilenames are used, as case affects alphetical ordering, which affects diffcol
1622 $path =~ s/\.([A-Z]+)$/".".lc($1)/e;
1623 last; # done
1624 }
1625 }
1626
1627 return $path;
1628}
1629
1630# Function that does the reverse of the util::abspath_to_placeholders subroutine
1631# Once again, call this with the values returned from util::get_common_gs_paths
1632sub placeholders_to_abspath {
1633 my $path = shift(@_); # path that can contain placeholders to convert to resolved absolute path
1634 my $opt_long_or_short_winfilenames = shift(@_) || "short"; # whether we want to force use of long file names even on windows, default uses short
1635
1636 return $path if($path !~ m/@/); # path contains no placeholders
1637
1638 # replace placeholders with gs prefixes
1639 my @placeholders = ('@THISCOLLECTPATH@', '@COLLECTHOME@', '@SITEHOME@', '@GSDLHOME@'); # order of paths not crucial in this case,
1640 # but listed here from longest to shortest once placeholders are have been resolved
1641
1642 # can't use double-quotes around at-sign, else perl tries to evaluate it as referring to an array
1643 my %placeholder_to_gspath_map;
1644 if ($ENV{'GSDLOS'} =~ /^windows$/i && $opt_long_or_short_winfilenames eq "short") {
1645 # always replace placeholders with short file names of the absolute paths on windows?
1646 %placeholder_to_gspath_map = ('@GSDLHOME@' => &util::downgrade_if_dos_filename($ENV{'GREENSTONEHOME'}),
1647 '@COLLECTHOME@' => &util::downgrade_if_dos_filename($ENV{'GSDLCOLLECTHOME'}),
1648 '@THISCOLLECTPATH@' => &util::downgrade_if_dos_filename($ENV{'GSDLCOLLECTDIR'})
1649 );
1650 $placeholder_to_gspath_map{'@SITEHOME@'} = &util::downgrade_if_dos_filename($ENV{'SITEHOME'}) if defined $ENV{'SITEHOME'};
1651 } else {
1652 %placeholder_to_gspath_map = ('@GSDLHOME@' => $ENV{'GREENSTONEHOME'},
1653 '@SITEHOME@' => $ENV{'SITEHOME'}, # can be undef
1654 '@COLLECTHOME@' => $ENV{'GSDLCOLLECTHOME'},
1655 '@THISCOLLECTPATH@' => $ENV{'GSDLCOLLECTDIR'}
1656 ); # $placeholder_to_gspath_map{'@SITEHOME@'} = $ENV{'SITEHOME'} if defined $ENV{'SITEHOME'};
1657 }
1658
1659 foreach my $placeholder (@placeholders) {
1660 my $gs_path = $placeholder_to_gspath_map{$placeholder};
1661
1662 next if(!defined $gs_path); # sitehome for GS2 is undefined
1663
1664 if($path =~ m/^$placeholder/) {
1665 $path =~ s/^$placeholder/$gs_path/;
1666 last; # done
1667 }
1668 }
1669
1670 return $path;
1671}
1672
1673# Used by pdfpstoimg.pl and PDFBoxConverter to create a .item file from
1674# a directory containing sequentially numbered images.
1675sub create_itemfile
1676{
1677 my ($output_dir, $convert_basename, $convert_to) = @_;
1678 my $page_num = "";
1679
1680 opendir(DIR, $output_dir) || die "can't opendir $output_dir: $!";
1681 my @dir_files = grep {-f "$output_dir/$_"} readdir(DIR);
1682 closedir DIR;
1683
1684 # Sort files in the directory by page_num
1685 sub page_number {
1686 my ($dir) = @_;
1687 my ($pagenum) =($dir =~ m/^.*?[-\.]?(\d+)(\.(jpg|gif|png))?$/i);
1688# my ($pagenum) =($dir =~ m/(\d+)(\.(jpg|gif|png))?$/i); # this works but is not as safe/strict about input filepatterns as the above
1689
1690 $pagenum = 1 unless defined $pagenum;
1691 return $pagenum;
1692 }
1693
1694 # sort the files in the directory in the order of page_num rather than lexically.
1695 @dir_files = sort { page_number($a) <=> page_number($b) } @dir_files;
1696
1697 # work out if the numbering of the now sorted image files starts at 0 or not
1698 # by checking the number of the first _image_ file (skipping item files)
1699 my $starts_at_0 = 0;
1700 my $firstfile = ($dir_files[0] !~ /\.item$/i) ? $dir_files[0] : $dir_files[1];
1701 if(page_number($firstfile) == 0) { # 00 will evaluate to 0 too in this condition
1702 $starts_at_0 = 1;
1703 }
1704
1705 my $item_file = &FileUtils::filenameConcatenate($output_dir, $convert_basename.".item");
1706 my $item_fh;
1707 &FileUtils::openFileHandle($item_file, 'w', \$item_fh);
1708 print $item_fh "<PagedDocument>\n";
1709
1710 foreach my $file (@dir_files){
1711 if ($file !~ /\.item/i){
1712 $page_num = page_number($file);
1713 $page_num++ if $starts_at_0; # image numbers start at 0, so add 1
1714 print $item_fh " <Page pagenum=\"$page_num\" imgfile=\"$file\" txtfile=\"\"/>\n";
1715 }
1716 }
1717
1718 print $item_fh "</PagedDocument>\n";
1719 &FileUtils::closeFileHandle($item_file, \$item_fh);
1720 return $item_file;
1721}
1722
1723# Sets the gnomelib_env. Based on the logic in wvware.pl which can perhaps be replaced with a call to this function in future
1724sub set_gnomelib_env
1725{
1726 ## SET THE ENVIRONMENT AS DONE IN SETUP.BASH/BAT OF GNOME-LIB
1727 # Though this is only needed for darwin Lion at this point (and android, though that is untested)
1728
1729 my $libext = "so";
1730 if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
1731 return;
1732 } elsif ($ENV{'GSDLOS'} =~ m/^darwin$/i) {
1733 $libext = "dylib";
1734 }
1735
1736 if (!defined $ENV{'GEXTGNOME'}) {
1737 ##print STDERR "@@@ Setting GEXTGNOME env\n";
1738
1739 my $gnome_dir = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"ext","gnome-lib-minimal");
1740
1741 if(! -d $gnome_dir) {
1742 $gnome_dir = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"ext","gnome-lib");
1743
1744 if(! -d $gnome_dir) {
1745 $gnome_dir = "";
1746 }
1747 }
1748
1749 # now set other the related env vars,
1750 # IF we've found the gnome-lib dir installed in the ext folder
1751
1752 if ($gnome_dir ne "" && -f &FileUtils::filenameConcatenate($gnome_dir, $ENV{'GSDLOS'}, "lib", "libiconv.$libext")) {
1753 $ENV{'GEXTGNOME'} = $gnome_dir;
1754 $ENV{'GEXTGNOME_INSTALLED'}=&FileUtils::filenameConcatenate($ENV{'GEXTGNOME'}, $ENV{'GSDLOS'});
1755
1756 my $gnomelib_bin = &FileUtils::filenameConcatenate($ENV{'GEXTGNOME_INSTALLED'}, "bin");
1757 if(-d $gnomelib_bin) { # no bin subfolder in GS binary's cutdown gnome-lib-minimal folder
1758 &util::envvar_prepend("PATH", $gnomelib_bin);
1759 }
1760
1761 # util's prepend will create LD/DYLD_LIB_PATH if it doesn't exist yet
1762 my $gextlib = &FileUtils::filenameConcatenate($ENV{'GEXTGNOME_INSTALLED'}, "lib");
1763
1764 if($ENV{'GSDLOS'} eq "linux") {
1765 &util::envvar_prepend("LD_LIBRARY_PATH", $gextlib);
1766 }
1767 elsif ($ENV{'GSDLOS'} eq "darwin") {
1768 #&util::envvar_prepend("DYLD_LIBRARY_PATH", $gextlib);
1769 &util::envvar_prepend("DYLD_FALLBACK_LIBRARY_PATH", $gextlib);
1770 }
1771 }
1772
1773 # Above largely mimics the setup.bash of the gnome-lib-minimal.
1774 # Not doing the devel-srcpack that gnome-lib-minimal's setup.bash used to set
1775 # Not exporting GSDLEXTS variable either
1776 }
1777
1778# print STDERR "@@@@@ GEXTGNOME: ".$ENV{'GEXTGNOME'}."\n\tINSTALL".$ENV{'GEXTGNOME_INSTALLED'}."\n";
1779# print STDERR "\tPATH".$ENV{'PATH'}."\n";
1780# print STDERR "\tLD_LIB_PATH".$ENV{'LD_LIBRARY_PATH'}."\n" if $ENV{'LD_LIBRARY_PATH};
1781# print STDERR "\tDYLD_FALLBACK_LIB_PATH".$ENV{'DYLD_FALLBACK_LIBRARY_PATH'}."\n" if $ENV{'DYLD_FALLBACK_LIBRARY_PATH};
1782
1783 # if no GEXTGNOME, maybe users didn't need gnome-lib to run gnomelib/libiconv dependent binaries like hashfile, suffix, wget
1784 # (wvware is launched in a gnomelib env from its own script, but could possibly go through this script in future)
1785}
1786
1787
1788
1789## @function augmentINC()
1790#
1791# Prepend a path (if it exists) onto INC but only if it isn't already in INC
1792# @param $new_path The path to add
1793# @author jmt12
1794#
1795sub augmentINC
1796{
1797 my ($new_path) = @_;
1798 my $did_add_path = 0;
1799 # might need to be replaced with FileUtils::directoryExists() call eventually
1800 if (-d $new_path)
1801 {
1802 my $did_find_path = 0;
1803 foreach my $existing_path (@INC)
1804 {
1805 if ($existing_path eq $new_path)
1806 {
1807 $did_find_path = 1;
1808 last;
1809 }
1810 }
1811 if (!$did_find_path)
1812 {
1813 unshift(@INC, $new_path);
1814 $did_add_path = 1;
1815 }
1816 }
1817 return $did_add_path;
1818}
1819## augmentINC()
1820
1821
18221;
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