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package Catmandu::Fix::xml_simple;
our $VERSION = '0.17';
use Catmandu::Sane;
use Moo;
use XML::Struct::Reader;
use XML::LibXML::Reader;
use Catmandu::Fix::Has;
with 'Catmandu::Fix::Base';
# TODO: avoid code duplication with xml_read
has field => ( fix_arg => 1 );
has attributes => ( fix_opt => 1 );
has ns => ( fix_opt => 1 );
has content => ( fix_opt => 1 );
has root => ( fix_opt => 1 );
has depth => ( fix_opt => 1 );
has path => ( fix_opt => 1 );
has whitespace => ( fix_opt => 1 );
sub simple { 1 }
has _reader => (
is => 'ro',
lazy => 1,
builder => sub {
XML::Struct::Reader->new(
map { $_ => $_[0]->$_ }
grep { defined $_[0]->$_ }
qw(attributes ns simple root depth content whitespace)
);
}
);
sub emit {
my ( $self, $fixer ) = @_;
my $path = $fixer->split_path( $self->field );
my $key = pop @$path;
my $reader = $fixer->capture( $self->_reader );
my $xpath = $fixer->capture( $self->path );
my $attributes = $fixer->capture( $self->attributes );
# TODO: use XML::Struct::Simple instead
my $options = $fixer->capture(
{
map { $_ => $self->$_ }
grep { defined $self->$_ } qw(root depth attributes)
}
);
return $fixer->emit_walk_path(
$fixer->var,
$path,
sub {
my $var = $_[0];
$fixer->emit_get_key(
$var, $key,
sub {
my $var = $_[0];
return <<PERL;
if (ref(${var}) and ref(${var}) =~ /^ARRAY/) {
${var} = XML::Struct::simpleXML( ${var}, %{${options}} );
} else {
# TODO: code duplication with xml_read
my \$stream = XML::LibXML::Reader->new( string => ${var} );
${var} = ${xpath}
? [ ${reader}->readDocument(\$stream, ${xpath}) ]
: ${reader}->readDocument(\$stream);
}
PERL
}
);
}
);
}
1;
__END__
=head1 NAME
Catmandu::Fix::xml_simple - parse/convert XML to key-value form
=head1 SYNOPSIS
xml_read(xml)
xml_simple(xml)
xml_read(xml, simple=1) # equivalent
=head1 DESCRIPTION
This L<Catmandu::Fix> transforms MicroXML or parses XML strings to key-value form with L<XML::Struct>.
=head1 OPTIONS
See L<Catmandu::Fix::xml_read> for parsing options.
=cut
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