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143 lines
3.6 KiB
143 lines
3.6 KiB
#!/usr/bin/perl
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#
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# Copyright (C) 2018 Koha-Suomi Oy
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#
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# This file is part of Koha
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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#
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use Modern::Perl;
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use XML::Simple qw( XMLin );
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use Pod::Usage qw( pod2usage );
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use Getopt::Long qw( GetOptions );
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use Carp qw( croak );
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use open ':std', ':encoding(UTF-8)';
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sub usage {
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pod2usage( -verbose => 2 );
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exit;
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}
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# Options
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my $sourceurl = 'http://www.loc.gov/standards/codelists/languages.xml';
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my $help;
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my $outfile;
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my $tempfile = '/tmp/languages.xml';
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GetOptions(
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'o|output:s' => \$outfile,
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'url:s' => \$sourceurl,
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'help|h' => \$help,
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);
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usage() if $help;
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system( qq{/usr/bin/wget $sourceurl -O $tempfile } ) == 0
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or croak "Can't wget $sourceurl ($?)";
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my $ref = XMLin($tempfile);
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my $languages = $ref->{'languages'}->{'language'};
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# output log or STDOUT
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my $out_handle;
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if (defined $outfile) {
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open( $out_handle, ">", $outfile ) || croak("Cannot open output file");
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} else {
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open( $out_handle, ">&STDOUT" ) || croak("Couldn't duplicate STDOUT: $!");
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}
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generate_header($out_handle);
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generate_body($out_handle, $languages);
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generate_footer($out_handle);
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close $out_handle;
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sub generate_body {
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my ( $file_handle, $language_list ) = @_;
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foreach my $l ( @{$language_list} ) {
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my $code = $l->{'code'};
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my $name = (
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ref( $l->{'name'} ) eq 'HASH'
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? $l->{'name'}{'content'}
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: $l->{'name'}
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);
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next if ( ref($code) eq 'HASH' && $code->{'status'} eq 'obsolete' );
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print {$file_handle} " <xsl:when test=\"\$code='$code'\">";
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print {$file_handle} "<xsl:text>$name</xsl:text>";
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print {$file_handle} "</xsl:when>";
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print {$file_handle} "\n";
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}
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return;
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}
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sub generate_header {
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my ($file_handle) = @_;
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print {$file_handle} <<"HEADER";
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE stylesheet>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<!-- This file generated by generate_MARC21Languages.pl -->
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<xsl:template name="languageCodeText">
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<xsl:param name="code"/>
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<xsl:choose>
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HEADER
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return;
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}
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sub generate_footer {
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my ($file_handle) = @_;
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print {$file_handle} <<"FOOTER";
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<xsl:otherwise>
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<!-- when 041\$a is mapped to an authorised value list, this will show the description -->
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<xsl:value-of select="\$code" />
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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</xsl:stylesheet>
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FOOTER
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return;
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}
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=head1 NAME
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generate_MARC21Languages.pl
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=head1 SYNOPSIS
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generate_MARC21Languages.pl
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generate_MARC21Languages.pl --url='http://www.loc.gov/standards/codelists/languages.xml'
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=head1 DESCRIPTION
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Create MARC21Languages.xsl from the loc.gov MARC21 Code List for Languages
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=over 8
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=item B<--help>
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Prints this help
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=item B<--url>
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Fetch the languages XML from this url. Defaults to http://www.loc.gov/standards/codelists/languages.xml
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=item B<--output>
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Writes the output XML into this file. Defaults to STDOUT.
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=back
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=cut
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