source: trunk/third/eog/intltool-update.in @ 19173

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1#!@INTLTOOL_PERL@ -w
2
3#
4#  The Intltool Message Updater
5#
6#  Copyright (C) 2000-2002 Free Software Foundation.
7#
8#  Intltool is free software; you can redistribute it and/or
9#  modify it under the terms of the GNU General Public License
10#  version 2 published by the Free Software Foundation.
11#
12#  Intltool is distributed in the hope that it will be useful,
13#  but WITHOUT ANY WARRANTY; without even the implied warranty of
14#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15#  General Public License for more details.
16#
17#  You should have received a copy of the GNU General Public License
18#  along with this program; if not, write to the Free Software
19#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20#
21#  As a special exception to the GNU General Public License, if you
22#  distribute this file as part of a program that contains a
23#  configuration script generated by Autoconf, you may include it under
24#  the same distribution terms that you use for the rest of that program.
25#
26#  Authors: Kenneth Christiansen <kenneth@gnu.org>
27#           Maciej Stachowiak
28#           Darin Adler <darin@bentspoon.com>
29
30## Release information
31my $PROGRAM = "intltool-update";
32my $VERSION = "0.25";
33my $PACKAGE = "intltool";
34
35## Loaded modules
36use strict;
37use Getopt::Long;
38use Cwd;
39use File::Copy;
40use File::Find;
41
42## Scalars used by the option stuff
43my $HELP_ARG       = 0;
44my $VERSION_ARG    = 0;
45my $DIST_ARG       = 0;
46my $POT_ARG        = 0;
47my $HEADERS_ARG    = 0;
48my $MAINTAIN_ARG   = 0;
49my $REPORT_ARG     = 0;
50my $VERBOSE        = 0;
51my $GETTEXT_PACKAGE = "";
52
53my @languages;
54my %po_files_by_lang = ();
55
56# Regular expressions to categorize file types.
57# FIXME: Please check if the following is correct
58
59my $xml_extension =
60"xml(\.in)*|".          # .in is not required
61"ui|".
62"glade2?(\.in)*|".      # .in is not required
63"scm(\.in)*|".          # .in is not required
64"oaf(\.in)+|".
65"etspec|".
66"sheet(\.in)+|".
67"schemas(\.in)+|".
68"pong(\.in)+";
69
70my $ini_extension =
71"desktop(\.in)+|".
72"caves(\.in)+|".
73"directory(\.in)+|".
74"soundlist(\.in)+|".
75"keys(\.in)+|".
76"theme(\.in)+|".
77"server(\.in)+";
78
79## Always print as the first thing
80$| = 1;
81
82## Handle options
83GetOptions
84(
85 "help"                => \$HELP_ARG,
86 "version"             => \$VERSION_ARG,
87 "dist|d"              => \$DIST_ARG,
88 "pot|p"               => \$POT_ARG,
89 "headers|s"           => \$HEADERS_ARG,
90 "maintain|m"          => \$MAINTAIN_ARG,
91 "report|r"            => \$REPORT_ARG,
92 "verbose|x"           => \$VERBOSE,
93 "gettext-package|g=s" => \$GETTEXT_PACKAGE,
94 ) or &print_error_invalid_option;
95
96&print_help if $HELP_ARG;
97&print_version if $VERSION_ARG;
98
99my $arg_count = ($DIST_ARG > 0)
100    + ($POT_ARG > 0)
101    + ($HEADERS_ARG > 0)
102    + ($MAINTAIN_ARG > 0)
103    + ($REPORT_ARG > 0);
104&print_help if $arg_count > 1;
105
106# --version and --help don't require a module name
107my $MODULE = $GETTEXT_PACKAGE || &find_package_name;
108
109if ($DIST_ARG) {
110    if ($ARGV[0] =~ /^[a-z]/){
111        &update_po_file ($ARGV[0]);
112        &print_status ($ARGV[0]);
113    } else {
114        &print_help;
115    }
116} elsif ($POT_ARG) {
117    &generate_headers;
118    &generate_po_template;
119} elsif ($HEADERS_ARG) {
120    &generate_headers;
121} elsif ($MAINTAIN_ARG) {
122    &find_leftout_files;
123} elsif ($REPORT_ARG) {
124    &print_report;
125} else {
126    if ($ARGV[0] =~ /^[a-z]/) {
127        &main ($ARGV[0]);
128    } else {
129        &print_help;
130    }
131}
132
133exit;
134
135#########
136
137sub print_version
138{
139    ## Print version information
140    print "${PROGRAM} (${PACKAGE}) $VERSION\n";
141    print "Written by Kenneth Christiansen, Maciej Stachowiak, and Darin Adler.\n\n";
142    print "Copyright (C) 2000-2002 Free Software Foundation, Inc.\n";
143    print "This is free software; see the source for copying conditions.  There is NO\n";
144    print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
145    exit;
146}
147
148sub print_help
149{
150    ## Print usage information
151    print "Usage: ${PROGRAM} [OPTIONS] ...LANGCODE\n";
152    print "Updates PO template files and merge them with the translations.\n\n";
153    print "  -p, --pot              generate the PO template only\n";
154    print "  -s, --headers          generate the header files in POTFILES.in\n";
155    print "  -m, --maintain         search for left out files from POTFILES.in\n";
156    print "  -r, --report           display a status report for the module.\n";
157    print "  -x, --verbose          display lots of feedback\n";
158    print "      --help             display this help and exit\n";
159    print "      --version          output version information and exit\n";
160    print "\nExamples of use:\n";
161    print "${PROGRAM} --pot    just creates a new PO template from the source\n";
162    print "${PROGRAM} da       created new PO template and updated the da.po file\n\n";
163    print "Report bugs to bugzilla.gnome.org, module 'intltool'.\n";
164    exit;
165}
166
167sub main
168{
169    my ($lang) = @_;
170
171    ## Report error if the language file supplied
172    ## to the command line is non-existent
173    &print_error_not_existing("$lang.po") if ! -s "$lang.po";
174
175    print "Working, please wait..." unless $VERBOSE;
176    &generate_headers;
177    &generate_po_template;
178    &update_po_file ($lang);
179    &print_status ($lang);
180}
181
182sub determine_type ($)
183{
184   my $type = $_;
185   my $gettext_type;
186
187   # FIXME: Use $xml_extentions, and maybe do all this even nicer
188   my $xml_regex =
189       "(?:xml(\.in)*|ui|oaf(?:\.in)+|server(?:\.in)+|sheet(?:\.in)+|".
190       "pong(?:\.in)+|etspec|schemas(?:\.in)+)";
191   my $ini_regex =
192       "(?:desktop(?:\.in)+|theme(?:\.in)+|caves(?:\.in)+|directory(?:\.in)+|".
193       "soundlist(?:\.in)+)";
194
195   if ($type =~ /\[type: gettext\/([^\]].*)]/) {
196        $gettext_type=$1;
197   }
198   elsif ($type =~ /schemas(\.in)+$/) {
199        $gettext_type="schemas";
200   }
201   elsif ($type =~ /$xml_regex$/) {
202        $gettext_type="xml";
203   }
204   elsif ($type =~ /glade2?(\.in)*$/) {
205        $gettext_type="glade";
206   }
207   elsif ($type =~ /$ini_regex$/) {
208        $gettext_type="ini";
209   }
210   elsif ($type =~ /scm(\.in)*$/) {
211        $gettext_type="scheme";
212   }
213   elsif ($type =~ /keys(\.in)+$/) {
214        $gettext_type="keys";
215   }
216   else { $gettext_type=""; }
217
218   return "gettext\/$gettext_type";
219}
220
221sub find_leftout_files
222{
223    my (@buf_i18n_plain,
224        @buf_i18n_xml,
225        @buf_i18n_xml_unmarked,
226        @buf_i18n_ini,
227        @buf_potfiles,
228        @buf_potfiles_ignore,
229        @buf_allfiles,
230        @buf_allfiles_sorted,
231        @buf_potfiles_sorted
232    );
233
234    ## Search and find all translatable files
235    find sub {
236        push @buf_i18n_plain, "$File::Find::name" if /\.(c|y|cc|cpp|c\+\+|h|gob)$/
237        }, "..";
238    find sub {
239        push @buf_i18n_xml, "$File::Find::name" if /\.($xml_extension)$/
240        }, "..";
241    find sub {
242        push @buf_i18n_ini, "$File::Find::name" if /\.($ini_extension)$/
243        }, "..";
244    find sub {
245        push @buf_i18n_xml_unmarked, "$File::Find::name" if /\.(schemas(\.in)+)$/
246        }, "..";
247
248
249    open POTFILES, "POTFILES.in" or die "$PROGRAM:  there's no POTFILES.in!\n";
250
251    @buf_potfiles = grep /^[^#]/, <POTFILES>;
252    foreach (@buf_potfiles) {
253        s/^\[.*]\s*//;
254    }
255                           
256    print "Searching for missing translatable files...\n" if $VERBOSE;
257
258    ## Check if we should ignore some found files, when
259    ## comparing with POTFILES.in
260    foreach my $ignore ("POTFILES.skip", "POTFILES.ignore") {
261        if (-s $ignore) {
262            open FILE, $ignore;
263            while (<FILE>) {
264                if (/^[^#]/){
265                    push @buf_potfiles_ignore, $_;
266                }
267            }
268            print "Found $ignore: Ignoring files...\n" if $VERBOSE;
269            @buf_potfiles = (@buf_potfiles_ignore, @buf_potfiles);
270        }
271    }
272
273    foreach my $file (@buf_i18n_plain)
274      {
275        my $in_comment = 0;
276        my $in_macro = 0;
277
278        open FILE, "<$file";
279        while (<FILE>)
280          {
281            # Handle continued multi-line comment.
282            if ($in_comment)
283              {
284                next unless s-.*\*/--;
285                $in_comment = 0;
286              }
287
288            # Handle continued macro.
289            if ($in_macro)
290              {
291                $in_macro = 0 unless /\\$/;
292                next;
293              }
294
295            # Handle start of macro (or any preprocessor directive).
296            if (/^\s*\#/)
297              {
298                $in_macro = 1 if /^([^\\]|\\.)*\\$/;
299                next;
300              }
301
302            # Handle comments and quoted text.
303            while (m-(/\*|//|\'|\")-) # \' and \" keep emacs perl mode happy
304              {
305                my $match = $1;
306                if ($match eq "/*")
307                  {
308                    if (!s-/\*.*?\*/--)
309                      {
310                        s-/\*.*--;
311                        $in_comment = 1;
312                      }
313                  }
314                elsif ($match eq "//")
315                  {
316                    s-//.*--;
317                  }
318                else # ' or "
319                  {
320                    if (!s-$match([^\\]|\\.)*?$match-QUOTEDTEXT-)
321                      {
322                        warn "mismatched quotes at line $. in $file\n";
323                        s-$match.*--;
324                      }
325                  }
326              }
327       
328
329            if (/_\(QUOTEDTEXT/)
330              {
331                ## Remove the first 3 chars and add newline
332                push @buf_allfiles, unpack("x3 A*", $file) . "\n";
333                last;
334              }
335          }
336        close FILE;
337      }
338
339    foreach my $file (@buf_i18n_xml) {
340        open FILE, "<$file";
341        while (<FILE>) {
342            if (/\s_(.*)=\"/ || /translatable=\"yes\"/){
343                push @buf_allfiles, unpack("x3 A*", $file) . "\n";
344                last;
345            }
346        }
347    }
348
349    foreach my $file (@buf_i18n_ini){
350        open FILE, "<$file";
351        while (<FILE>) {
352            if (/_(.*)=/){
353                push @buf_allfiles, unpack("x3 A*", $file) . "\n";
354                last;
355            }
356        }
357    }
358
359    foreach my $file (@buf_i18n_xml_unmarked){
360        push @buf_allfiles, unpack("x3 A*", $file) . "\n";
361    }
362
363
364    @buf_allfiles_sorted = sort (@buf_allfiles);
365    @buf_potfiles_sorted = sort (@buf_potfiles);
366
367    my %in2;
368    foreach (@buf_potfiles_sorted) {
369        $in2{$_} = 1;
370    }
371
372    my @result;
373
374    foreach (@buf_allfiles_sorted){
375        if (!exists($in2{$_})){
376            push @result, $_
377        }
378    }
379
380    ## Save file with information about the files missing
381    ## if any, and give information about this procedure.
382    if (@result) {
383        print "\n" if $VERBOSE;
384        open OUT, ">missing";
385        print OUT @result;
386        print "The following files contain translations and are currently not in use. Please\n";
387        print "consider adding these to the POTFILES.in file, located in the po/ directory.\n\n";
388        print @result, "\n";
389        print "If some of these files are left out on purpose then please add them to\n";
390        print "POTFILES.skip instead of POTFILES.in. A file 'missing' containing this list\n";
391        print "of left out files has been written in the current directory.\n";
392    }
393
394    ## If there is nothing to complain about, notify the user
395    else {
396        print "\nAll files containing translations are present in POTFILES.in.\n";
397    }
398}
399
400sub print_error_invalid_option
401{
402    ## Handle invalid arguments
403    print "Try `${PROGRAM} --help' for more information.\n";
404    exit 1;
405}
406
407sub generate_headers
408{
409    my $EXTRACT = `which intltool-extract 2>/dev/null`;
410    chomp $EXTRACT;
411
412    $EXTRACT = $ENV{"INTLTOOL_EXTRACT"} if $ENV{"INTLTOOL_EXTRACT"};
413
414    ## Generate the .h header files, so we can allow glade and
415    ## xml translation support
416    if (! -s $EXTRACT)
417    {
418        print "\n *** The intltool-extract script wasn't found!"
419             ."\n *** Without it, intltool-update can not generate files.\n";
420        exit;
421    }
422    else
423    {
424        open FILE, "<POTFILES.in";
425        while (<FILE>) {
426           chomp;
427
428           ## Find xml files in POTFILES.in and generate the
429           ## files with help from the extract script
430
431           my $gettext_type= &determine_type ($1);
432
433           if (/\.($xml_extension|$ini_extension)$/ || /^\[/){
434               $_ =~ s/^\[[^\[].*]\s*//;
435               my $filename = "../$_";
436
437               if ($VERBOSE){
438                   system($EXTRACT, "--update", "--type=$gettext_type", $filename);
439               } else {
440                   system($EXTRACT, "--update", "--type=$gettext_type", "--quiet", $filename);
441               }
442           }
443       }
444       close FILE;
445   }
446}
447
448sub generate_po_template
449{
450    ## Generate the potfiles from the POTFILES.in file
451
452    print "Building the $MODULE.pot...\n" if $VERBOSE;
453
454    move ("POTFILES.in", "POTFILES.in.old");
455
456    open INFILE, "<POTFILES.in.old";
457    open OUTFILE, ">POTFILES.in";
458    while (<INFILE>) {
459        chomp;
460        if (/\.($xml_extension|$ini_extension)$/ || /^\[/) {
461            s/^\[.*]\s*//;
462            print OUTFILE "$_.h\n";
463        } else {
464            print OUTFILE "$_\n";
465        }
466    }
467    close OUTFILE;
468    close INFILE;
469
470    system ("xgettext", "--default-domain\=$MODULE",
471                        "--directory\=\.\.",
472                        "--add-comments",
473                        "--keyword\=\_",
474                        "--keyword\=N\_",
475                        "--keyword\=U\_",
476                        "--files-from\=\.\/POTFILES\.in");
477
478    move ("POTFILES.in.old", "POTFILES.in");
479
480    print "Removing generated header (.h) files..." if $VERBOSE;
481
482    open FILE, "<POTFILES.in";
483
484    while (<FILE>)
485    {
486        chomp;
487        unlink "../$_.h" if /\.($xml_extension|$ini_extension)$/;
488    }
489
490    close FILE;
491    print "done\n" if $VERBOSE;
492
493    if (!-e "$MODULE.po") {
494        print "WARNING: It seems that none of the files in POTFILES.in ".
495              "contain marked strings\n";
496        exit (1);
497    }
498
499    system ("rm", "-f", "$MODULE.pot");
500    move ("$MODULE.po", "$MODULE.pot") or die "$PROGRAM: couldn't move $MODULE.po to $MODULE.pot.\n";
501
502    print "Wrote $MODULE.pot\n" if $VERBOSE;
503}
504
505sub update_po_file
506{
507    my ($lang) = @_;
508
509    print "Merging $lang.po with $MODULE.pot..." if $VERBOSE;
510
511    copy ("$lang.po", "$lang.po.old") || die "copy failed: $!";
512
513    # Perform merge, remove backup file and the "messages" trash file
514    # generated by gettext
515    system ("msgmerge", "$lang.po.old", "$MODULE.pot", "-o", "$lang.po");
516    unlink "$lang.po.old";
517    unlink "messages";
518}
519
520sub print_error_not_existing
521{
522    my ($file) = @_;
523
524    ## Report error if supplied language file is non-existing
525    print "$PROGRAM: $file does not exist!\n";
526    print "Try '$PROGRAM --help' for more information.\n";
527    exit;
528}
529
530sub gather_po_files
531{
532    my @po_files = glob ("./*.po");
533
534    @languages = map (&po_file2lang, @po_files);
535
536    foreach my $lang (@languages) {
537        $po_files_by_lang{$lang} = shift (@po_files);
538    }
539}
540
541sub po_file2lang ($)
542{
543    my $tmp = $_;
544    $tmp =~ s/^.*\/(.*)\.po$/$1/;
545    return $tmp;
546}
547
548sub print_status
549{
550    my ($lang) = @_;
551
552    system ("msgfmt", "--statistics", "$lang.po");
553    print "\n";
554}
555
556sub print_report
557{
558    &generate_headers;
559    &generate_po_template;
560    &gather_po_files;
561
562    foreach my $lang (@languages) {
563        print "$lang: ";
564        &update_po_file ($lang);
565    }
566
567    print "\n\n * Current translation support in $MODULE \n\n";
568
569    foreach my $lang (@languages){
570        print "$lang: ";
571        system ("msgfmt", "--statistics", "$lang.po");
572    }
573}
574
575sub find_package_name
576{
577    my $base_dirname = getcwd();
578    $base_dirname =~ s@.*/@@;
579
580    my ($conf_in, $src_dir);
581
582    if ($base_dirname =~ /^po(-.+)?$/) {
583        if (-f "../configure.in") {
584            $conf_in = "../configure.in";
585        } elsif (-f "../configure.ac") {
586            $conf_in = "../configure.ac";
587        } else {
588            my $makefile_source;
589            local (*IN);
590            open IN, "<Makefile" || die "can't open Makefile: $!";
591
592            while (<IN>) {
593                if (/^top_srcdir[ \t]*=/) {
594                    $src_dir = $_;
595                    # print "${src_dir}\n";
596
597                    $src_dir =~ s/^top_srcdir[ \t]*=[ \t]*([^ \t\n\r]*)/$1/;
598                    # print "${src_dir}\n";
599                    chomp $src_dir;
600                    $conf_in = "$src_dir" . "/configure.in" . "\n";
601                    last;
602                }
603            }
604            $conf_in || die "Cannot find top_srcdir in Makefile."
605        }
606
607        my %varhash = ();
608        my $conf_source; {
609           local (*IN);
610           open (IN, "<$conf_in") || die "can't open $conf_in: $!";
611           while (<IN>) {
612              if (/^(\w+)=(\S+)/) { $varhash{$1} = $2 };
613           }
614           seek (IN, 0, 0);
615           local $/; # slurp mode
616           $conf_source = <IN>;
617        }
618
619        my $name = "";
620        $name = $1 if $conf_source =~ /^AM_INIT_AUTOMAKE\([\s\[]*([^,\)\s\]]+)/m;
621        if ($conf_source =~ /^AC_INIT\([\s\[]*([^,\)\s\]]+)\]?\s*,/m) {
622            $name = $1;
623            $varhash{"AC_PACKAGE_NAME"} = $1;
624        }
625        $name = $1 if $conf_source =~ /^GETTEXT_PACKAGE=\[?([^\s\]]+)/m;
626
627        $name = "\$AC_PACKAGE_NAME" if "$name" eq "AC_PACKAGE_NAME";
628
629        my $oldname = "";
630        while (($name =~ /[\$](\S+)/) && ("$oldname" ne "$name")) {
631            $oldname = $name;
632            if (exists $varhash{$1}) {
633                $name =~ s/[\$](\S+)/$varhash{$1}/;
634            }
635        }
636        return $name if $name;
637    }
638
639    print "$PROGRAM: Unable to determine package name.\n" .
640          "Make sure to run this script inside the po directory.\n";
641    exit;
642}
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