modules/rdf/serializer/yamlld.zzm

=encoding utf8

=head1 NAME

rdf/serializer/yamlld - YAML-LD serializer.

=cut

from rdf/serializer import RdfSerializer;
from rdf/jsonld/core import rdf_to_jsonld_data;
from std/data/yaml import YAML;

class YamlLdSerializer with RdfSerializer {
	let Boolean pretty with get := true;
	let Boolean canonical with get := true;
	let Boolean ordered with get := true;
	let Boolean use_native_types with get := false;
	let Boolean use_rdf_type with get := false;
	let rdf_direction with get := null;

	method _data ( Array quads ) {
		return rdf_to_jsonld_data(quads, {
			use_native_types: use_native_types,
			use_rdf_type: use_rdf_type,
			rdf_direction: rdf_direction,
		});
	}

	method serialize ( Array quads ) {
		return ( new YAML( pretty: pretty, canonical: canonical ) ).encode(
			self._data(quads),
		);
	}
}