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# Locale::Po4a::Yaml -- Convert yaml files to PO file, for translation.
#
# This program is free software; you may redistribute it and/or modify it
# under the terms of GPL v2.0 or later (see COPYING).
#
=encoding UTF-8
=head1 NAME
Locale::Po4a::Yaml - convert YAML files from/to PO files
=head1 DESCRIPTION
Locale::Po4a::Yaml is a module to help the translation of Yaml files into other
[human] languages.
The module extracts the value of YAML hashes and arrays. Hash keys are
not extracted.
NOTE: This module parses the YAML file with YAML::Tiny.
=head1 OPTIONS ACCEPTED BY THIS MODULE
These are this module's particular options:
=over
=item B<keys>
Space-separated list of hash keys to process for extraction, all
other keys are skipped. Keys are matched with a case-sensitive match.
If B<paths> and B<keys> are used together, values are included if they are
matched by at least one of the options.
Arrays values are always returned unless the B<skip_array> option is
provided.
=item B<paths>
Comma-separated list of hash paths to process for extraction, all
other paths are skipped. Paths are matched with a case-sensitive match.
If B<paths> and B<keys> are used together, values are included if they are
matched by at least one of the options.
Arrays values are always returned unless the B<skip_array> option is
provided.
=item B<skip_array>
Do not translate array values.
=back
=head1 SEE ALSO
L<Locale::Po4a::TransTractor(3pm)>, L<po4a(7)|po4a.7>
=head1 AUTHORS
Brian Exelbierd <bex@pobox.com>
=head1 COPYRIGHT AND LICENSE
Copyright © 2017 Brian Exelbierd.
Copyright © 2022 Martin Quinson <mquinson#debian.org>.
This program is free software; you may redistribute it and/or modify it
under the terms of GPL v2.0 or later (see the COPYING file).
=cut
############################################################################
# Modules and declarations
############################################################################
package Locale::Po4a::Yaml;
use Locale::Po4a::TransTractor;
use Locale::Po4a::Common;
use YAML::Tiny;
use Scalar::Util;
use Encode;
use 5.16.0;
use strict;
use warnings;
require Exporter;
use vars qw(@ISA @EXPORT $AUTOLOAD);
@ISA = qw(Locale::Po4a::TransTractor);
@EXPORT = qw();
my %yfm_keys = ();
my %yfm_paths = ();
sub initialize {
my $self = shift;
my %options = @_;
$self->{options}{'keys'} = '';
$self->{options}{'paths'} = '';
$self->{options}{'debug'} = 0;
$self->{options}{'verbose'} = 1;
$self->{options}{'skip_array'} = 0;
foreach my $opt ( keys %options ) {
die wrap_mod( "po4a::yaml", dgettext( "po4a", "Unknown option: %s" ), $opt )
unless exists $self->{options}{$opt};
$self->{options}{$opt} = $options{$opt};
}
map {
$_ =~ s/^\s+|\s+$//g; # Trim the keys before using them
$yfm_keys{$_} = 1
} ( split( /[, ]/, $self->{options}{keys} ) );
# map { print STDERR "key: '$_'\n"; } (keys %yfm_keys);
map {
$_ =~ s/^\s+|\s+$//g; # Trim the keys before using them
$yfm_paths{$_} = 1
} ( split( /,/, $self->{options}{paths} ) );
}
sub parse {
my $self = shift;
my $yfm;
# Get the ref of the first line. We'll use it as the ref for the whole doc
my ( $line, $ref ) = $self->shiftline();
$self->unshiftline( $line, $ref );
while (1) {
my ( $nextline, $nextref ) = $self->shiftline();
if ( not defined($nextline) ) {
last;
} elsif ( $nextline =~ /: [\[\{]/ ) {
die wrap_mod(
"po4a::text",
dgettext(
"po4a",
"Inline lists and dictionaries on a single line are not correctly handled the parser we use (YAML::Tiny): they are interpreted as regular strings. "
. "Please use multi-lines definitions instead. Offending line:\n %s"
),
$nextline
);
}
$yfm .= $nextline;
}
my $yamlarray = YAML::Tiny->read_string($yfm)
|| die "YAML::Tiny failed to parse the content of $ref: $!";
$self->handle_yaml( 0, $ref, $yamlarray, \%yfm_keys, $self->{options}{skip_array}, \%yfm_paths );
}
1;
__END__
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