File Coverage

blib/lib/Catmandu/Fix/xml_read.pm

Criterion	Covered	Total	%
statement	7	9	77.7
branch			n/a
condition			n/a
subroutine	3	3	100.0
pod			n/a
total	10	12	83.3

package Catmandu::Fix::xml_read;

our $VERSION = '0.15';

use Catmandu::Sane;
use Moo;
use XML::Struct::Reader;
use XML::LibXML::Reader;

with 'Catmandu::Fix::Base';

has field      => (is => 'ro', required => 1);
has attributes => (is => 'ro');
has ns         => (is => 'ro');
has content    => (is => 'ro');
has simple     => (is => 'ro');
has root       => (is => 'ro');
has depth      => (is => 'ro');
has path       => (is => 'ro');
has whitespace => (is => 'ro');

around BUILDARGS => sub {
    my ($orig,$class,$field,%opts) = @_;
    $orig->($class,
        field => $field,
        map { $_ => $opts{$_} }
        qw(attributes ns simple root depth content path whitespace)
    );
};

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);

    return $fixer->emit_walk_path($fixer->var,$path,sub{
        my $var = $_[0];
        $fixer->emit_get_key($var,$key,sub{
            my $var = $_[0];
            return "my \$stream = XML::LibXML::Reader->new( string => ${var} );".
                "${var} = ${xpath} ? [ ${reader}->readDocument(\$stream, ${xpath}) ] " .
                ": ${reader}->readDocument(\$stream);";
        });
    });
}

1;
__END__