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272fbb9785
It also recognizes conflicts that involve more than two msgstrs. And it no longer outputs the msgids. These changes make the output much shorter than before, while still listing all the relevant information.
220 lines
6.5 KiB
Perl
Executable File
220 lines
6.5 KiB
Perl
Executable File
#! /usr/bin/perl
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# The copyright notice and license are in the POD at the bottom.
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use strict;
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use warnings;
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use Locale::PO qw();
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use Getopt::Long qw(GetOptions :config bundling gnu_compat);
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use autouse 'Pod::Usage' => qw(pod2usage);
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my $VERSION = "1.2";
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sub show_version
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{
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print "check-accelerator-conflicts.pl $VERSION\n";
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pod2usage({-verbose => 99, -sections => "COPYRIGHT AND LICENSE",
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-exitval => 0});
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}
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my $Accelerator_tag;
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sub po_arrays_eq ($$)
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{
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my($left, $right) = @_;
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ref($left) eq "ARRAY" or return 0;
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ref($right) eq "ARRAY" or return 0;
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@$left == @$right or return 0;
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$left->[$_] eq $right->[$_] or return 0
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foreach (0 .. $#$right);
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return 1;
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}
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sub check_po_file ($)
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{
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my($po_file_name) = @_;
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my %accelerators;
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my $warnings = 0;
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{
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my $pos = Locale::PO->load_file_asarray($po_file_name)
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or warn "$po_file_name: $!\n", return 2;
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foreach my $po (@$pos) {
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next if $po->fuzzy();
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my $msgstr = $po->msgstr()
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or next;
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my($accelerator) = ($msgstr =~ /\Q$Accelerator_tag\E(.)/s)
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or next;
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$accelerator = uc($accelerator);
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my $automatic = $po->automatic()
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or next;
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my($contexts) = ($automatic =~ /^accelerator_context\(([^\)]*)\)/)
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or next;
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foreach my $context (split(/\s*,\s*/, $contexts)) {
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push @{$accelerators{$accelerator}{$context}}, $po;
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}
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}
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}
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foreach my $accelerator (sort keys %accelerators) {
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my $ctxhash = $accelerators{$accelerator};
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foreach my $ctxname (sort keys %$ctxhash) {
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my $pos = $ctxhash->{$ctxname};
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if (ref($pos) eq "ARRAY" && @$pos > 1) {
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my @ctxnames_with_conflicts;
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foreach my $other_ctxname (sort keys %$ctxhash) {
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if (po_arrays_eq($ctxhash->{$other_ctxname}, $pos)) {
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push @ctxnames_with_conflicts, $other_ctxname;
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$ctxhash->{$other_ctxname} = 0;
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}
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}
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my $ctxnames_with_conflicts = join(", ", map(qq("$_"), @ctxnames_with_conflicts));
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warn "$po_file_name: Accelerator conflict for \"$accelerator\" in $ctxnames_with_conflicts:\n";
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foreach my $po (@$pos) {
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warn sprintf("%s:%d: msgstr %s\n", $po_file_name, $po->msgstr_begin_lineno(), $po->msgstr());
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}
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$warnings++;
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}
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}
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}
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return $warnings ? 1 : 0;
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}
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GetOptions("accelerator-tag=s" => sub {
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my($option, $value) = @_;
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die "Cannot use multiple --accelerator-tag options\n"
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if defined($Accelerator_tag);
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die "--accelerator-tag requires a single-character argument\n"
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if length($value) != 1;
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$Accelerator_tag = $value;
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},
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"help" => sub { pod2usage({-verbose => 1, -exitval => 0}) },
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"version" => \&show_version)
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or exit 2;
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$Accelerator_tag = "~" unless defined $Accelerator_tag;
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print(STDERR "$0: missing file operand\n"), exit 2 unless @ARGV;
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my $max_error = 0;
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foreach my $po_file_name (@ARGV) {
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my $error = check_po_file($po_file_name);
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$max_error = $error if $error > $max_error;
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}
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exit $max_error;
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__END__
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=head1 NAME
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check-accelerator-conflicts.pl - Scan a PO file for conflicting
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accelerator keys.
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=head1 SYNOPSIS
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B<check-accelerator-conflicts.pl> [I<option> ...] F<I<language>.po> [...]
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=head1 DESCRIPTION
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B<check-accelerator-conflicts.pl> is part of a framework that detects
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conflicting accelerator keys in Gettext PO files. A conflict is when
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two items in the same menu or two buttons in the same dialog box use
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the same accelerator key.
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The PO file format does not normally include any information on which
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strings will be used in the same menu or dialog box.
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B<check-accelerator-conflicts.pl> can only be used on PO files to which
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this information has been added with B<gather-accelerator-contexts.pl>
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or merged with B<msgmerge>.
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B<check-accelerator-conflicts.pl> reads the F<I<language>.po> file
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named on the command line and reports any conflicts to standard error.
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B<check-accelerator-conflicts.pl> does not access the source files to
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which F<I<language>.po> refers. Thus, it does not matter if the line
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numbers in "#:" lines are out of date.
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=head1 OPTIONS
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=over
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=item B<--accelerator-tag=>I<character>
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Specify the character that marks accelerators in C<msgstr> strings.
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Whenever this character occurs in a C<msgstr>,
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B<check-accelerator-conflicts.pl> treats the next character as an
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accelerator and checks that it is unique in each of the contexts in
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which the C<msgstr> is used.
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Omitting the B<--accelerator-tag> option implies
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B<--accelerator-tag="~">. The option must be given to each program
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separately because there is no standard way to save this information
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in the PO file.
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=back
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=head1 ARGUMENTS
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=over
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=item F<I<language>.po> [...]
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The PO files to be scanned for conflicts. These files must include the
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"accelerator_context" comments added by B<gather-accelerator-contexts.pl>.
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If the special comments are missing, no conflicts will be found.
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=back
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=head1 EXIT CODE
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0 if no conflicts were found.
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1 if some conflicts were found.
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2 if the command line is invalid or a file cannot be read.
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=head1 BUGS
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Jonas Fonseca suggested the script could propose accelerators that are
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still available. This has not been implemented.
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=head2 Waiting for Locale::PO fixes
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When B<check-accelerator-conflicts.pl> includes C<msgstr> strings in
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warnings, it should transcode them from the charset of the PO file to
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the one specified by the user's locale.
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=head1 AUTHOR
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Kalle Olavi Niemitalo <kon@iki.fi>
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=head1 COPYRIGHT AND LICENSE
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Copyright (c) 2005-2006 Kalle Olavi Niemitalo.
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This program is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself. In addition:
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=over
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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=back
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=head1 SEE ALSO
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L<gather-accelerator-contexts.pl>, C<xgettext(1)>, C<msgmerge(1)>
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