mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-05 12:21:57 +03:00
0f6f0a0169
This changes the message splitting code to ensure that a translation is generated for every different key using a specified language as a fallback if no translation is available. This also allows for a messages to be generated when there is no fallback at all and when the translation is the same as the fallback language
304 lines
7.7 KiB
Perl
304 lines
7.7 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright 2013 Vivek Dasmohapatra <vivek@collabora.co.uk>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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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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#
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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 THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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=head1
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Filter the NetSurf combined messages (i10n) file according to language
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and platform and generate output in a selection of formats for use
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both internally within netsurf and externally for translation
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services.
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=cut
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use strict;
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use Getopt::Long ();
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use Fcntl qw( O_CREAT O_EXCL O_WRONLY O_APPEND O_RDONLY O_WRONLY );
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use constant GETOPT_OPTS => qw( auto_abbrev no_getopt_compat bundling );
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use constant GETOPT_SPEC =>
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qw( output|o=s
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input|i=s
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lang|l=s
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dlang|d=s
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plat|platform|p=s
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format|fmt|f=s
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warning|W=s
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help|h|? );
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# default option values:
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my %opt = qw( dlang en plat any format messages warning none );
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sub input_stream ();
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sub output_stream ();
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sub formatter ();
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sub static_section($);
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sub usage ();
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sub main ()
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{
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my $input;
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my $output;
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my $format;
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my $header;
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my $footer;
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my $opt_ok;
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# option parsing:
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Getopt::Long::Configure( GETOPT_OPTS );
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$opt_ok = Getopt::Long::GetOptions( \%opt, GETOPT_SPEC );
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# allow input and output to be specified as non-option arguments:
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if( @ARGV ) { $opt{input } ||= shift( @ARGV ) }
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if( @ARGV ) { $opt{output} ||= shift( @ARGV ) }
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# open the appropriate streams and get the formatter and headers:
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if( $opt_ok )
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{
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$input = input_stream();
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$output = output_stream();
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$format = formatter();
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$header = static_section('header');
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$footer = static_section('footer');
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}
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# double check the options are sane (and we weren't asked for the help)
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if( !$opt_ok || $opt{help} || $opt{lang} !~ /^[a-z]{2}$/ || $opt{dlang} !~ /^[a-z]{2}$/ )
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{
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usage();
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}
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# we are good to go:
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print( $output $header );
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my $cur_key;
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my $dlang_key;
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my $dlang_val;
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my $tran_out = 1;
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my $tran_val;
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my $tran_key;
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while (<$input>)
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{
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# skip comment and empty lines
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/^#/ && next;
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/^\s*$/ && next;
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# only parsing things that look like message lines:
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if( /^([a-z]{2}).([^.]+).([^:]+):(.*)/ )
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{
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my( $lang, $plat, $key, $val ) = ( $1, $2, $3, $4 );
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# skip the line if it is not for our target platform
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if( $opt{plat} ne 'any' &&
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$opt{plat} ne $plat &&
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'all' ne $plat )
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{
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next;
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}
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# On key change ensure a translation has been generated
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if ($cur_key ne $key)
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{
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if ($tran_out == 0)
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{
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# No translaton for previous key
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if ($cur_key eq $dlang_key)
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{
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print( $output $format->( $dlang_key, $dlang_val ) );
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if( $opt{warning} eq "fb" )
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{
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warn( "warning: $dlang_key missing translation in $opt{lang} using $opt{dlang} instead" );
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}
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}
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else
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{
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# No translation and nothing in default language
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warn( "warning: $dlang_key missing translation in $opt{lang} and no fallback in $opt{dlang}" );
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}
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}
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else
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{
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if (($opt{dlang} ne $opt{lang} ) && ($tran_key eq $dlang_key) && ($tran_val eq $dlang_val))
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{
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if( $opt{warning} eq "dup" )
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{
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warn( "warning: $tran_key value in $opt{lang} is same as in default $opt{dlang}" );
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}
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}
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}
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$cur_key = $key;
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$tran_out = 0;
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}
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# capture the key/value in the default language
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if( $lang eq $opt{dlang} )
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{
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$dlang_key = $key;
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$dlang_val = $val;
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}
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# output if its the target language
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if( $lang eq $opt{lang} ) {
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print( $output $format->( $key, $val ) );
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$tran_out = 1;
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$tran_val = $val;
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$tran_key = $key;
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}
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}
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else
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{
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warn( "Malformed entry: $_" );
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}
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}
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print( $output $footer );
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}
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main();
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sub usage ()
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{
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my @fmt = map { s/::$//; $_ } keys(%{$::{'msgfmt::'}});
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print(STDERR <<TXT );
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usage:
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$0 -l lang-code [-d def-lang-code] [-W warning] \
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[-o output-file] [-i input-file] [-p platform] [-f format]
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$0 -l lang-code ... [input-file [output-file]]
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lang-code : en fr ko ... (no default)
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def-lang-code : en fr ko ... (default 'en')
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warning : none, all (default 'none')
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platform : any gtk ami (default 'any')
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format : @fmt (default 'messages')
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input-file : defaults to standard input
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output-file : defaults to standard output
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TXT
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exit(1);
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}
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sub input_stream ()
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{
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if( $opt{input} )
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{
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my $ifh;
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sysopen( $ifh, $opt{input}, O_RDONLY ) ||
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die( "$0: Failed to open input file $opt{input}: $!\n" );
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return $ifh;
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}
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return \*STDIN;
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}
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sub output_stream ()
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{
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if( $opt{output} )
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{
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my $ofh;
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sysopen( $ofh, $opt{output}, O_CREAT|O_EXCL|O_APPEND|O_WRONLY ) ||
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die( "$0: Failed to open output file $opt{output}: $!\n" );
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return $ofh;
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}
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return \*STDOUT;
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}
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sub formatter ()
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{
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my $name = $opt{format};
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my $func = "msgfmt::$name"->UNIVERSAL::can("format");
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return $func || die( "No handler found for format '$name'\n" );
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}
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sub static_section ($)
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{
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my $name = $opt{format};
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my $sect = shift();
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my $func = "msgfmt::$name"->UNIVERSAL::can( $sect );
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return $func ? $func->() : "";
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}
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# format implementations:
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{
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package msgfmt::java;
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sub escape { $_[0] =~ s/([:'\\])/\\$1/g; $_[0] }
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sub format { return join(' = ', $_[0], escape( $_[1] ) ) . "\n" }
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sub header { "# autogenerated from " . ($opt{input} || '-stdin-') . "\n" }
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}
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{
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package msgfmt::messages; # native netsurf format
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sub format { return join( ":", @_ ) . "\n" }
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sub header
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{
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my $in = $opt{input} || '-stdin-';
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return <<TXT;
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# This messages file is automatically generated from $in
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# at build-time. Please go and edit that instead of this.\n
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TXT
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}
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}
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{
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package msgfmt::transifex;
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use base 'msgfmt::java';
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# transifex has the following quirks:
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# \ processing is buggy - they re-process every \\ as a \
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# so \\n, instead or producing literal '\n', is interpreted as \ ^J
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# Additionally, although the java properties format specifies
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# that ' should be \ escaped, transifex does not allow/support this:
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sub escape { $_[0] =~ s/(:|\\(?![abfnrtv]))/\\$1/g; $_[0] }
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sub format { return join(' = ', $_[0], escape( $_[1] ) ) . "\n" }
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}
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########### YAML ###########
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#{
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# package msgfmt::yaml;
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# use YAML qw(Dump Bless);
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# print Dump %data;
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#}
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{
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package msgfmt::android;
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sub header { qq|<?xml version="1.0" encoding="utf-8"?>\n<resources>\n| }
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sub footer { qq|</resources>| }
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sub format
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{
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use HTML::Entities qw(encode_entities);
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my $escaped = encode_entities( $_[1], '<>&"' );
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qq| <string name="$_[0]">$escaped</string>\n|;
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}
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}
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