2016-10-30 18:36:46 +00:00
|
|
|
%% Grammar for N-Triples as specified in https://www.w3.org/TR/2014/REC-n-triples-20140225/
|
|
|
|
|
2021-09-28 18:57:34 +00:00
|
|
|
Nonterminals ntriplesDoc nonEmptyNtriplesDoc triple subject predicate object literal quoted_triple eols.
|
|
|
|
Terminals iriref blank_node_label string_literal_quote langtag '^^' '.' '<<' '>>' eol.
|
2016-10-30 18:36:46 +00:00
|
|
|
Rootsymbol ntriplesDoc.
|
|
|
|
|
|
|
|
eols -> eols eol.
|
|
|
|
eols -> eol.
|
|
|
|
|
|
|
|
ntriplesDoc -> nonEmptyNtriplesDoc : [ '$1'].
|
|
|
|
ntriplesDoc -> eols nonEmptyNtriplesDoc : [ '$2'].
|
|
|
|
ntriplesDoc -> eols : [].
|
|
|
|
ntriplesDoc -> '$empty' : [].
|
|
|
|
|
|
|
|
%nonEmptyNtriplesDoc -> triple eol nonEmptyNtriplesDoc : [ '$1' | '$3' ].
|
|
|
|
%nonEmptyNtriplesDoc -> triple eol : [ '$1' ].
|
|
|
|
%nonEmptyNtriplesDoc -> triple : [ '$1' ].
|
|
|
|
|
|
|
|
nonEmptyNtriplesDoc -> triple eols nonEmptyNtriplesDoc : [ '$1' | '$3' ].
|
|
|
|
nonEmptyNtriplesDoc -> triple eols : [ '$1' ].
|
|
|
|
nonEmptyNtriplesDoc -> triple : [ '$1' ].
|
|
|
|
|
|
|
|
triple -> subject predicate object '.' : { '$1', '$2', '$3' }.
|
|
|
|
|
2017-08-20 20:35:14 +00:00
|
|
|
subject -> iriref : to_iri('$1').
|
2016-10-30 18:36:46 +00:00
|
|
|
subject -> blank_node_label : to_bnode('$1').
|
2021-09-28 18:57:34 +00:00
|
|
|
subject -> quoted_triple : '$1'.
|
2017-08-20 20:35:14 +00:00
|
|
|
predicate -> iriref : to_iri('$1').
|
|
|
|
object -> iriref : to_iri('$1').
|
2016-10-30 18:36:46 +00:00
|
|
|
object -> blank_node_label : to_bnode('$1').
|
|
|
|
object -> literal : '$1'.
|
2021-09-28 18:57:34 +00:00
|
|
|
object -> quoted_triple : '$1'.
|
2016-10-30 18:36:46 +00:00
|
|
|
|
2017-08-20 20:35:14 +00:00
|
|
|
literal -> string_literal_quote '^^' iriref : to_literal('$1', {datatype, to_iri('$3')}).
|
2016-10-30 18:36:46 +00:00
|
|
|
literal -> string_literal_quote langtag : to_literal('$1', {language, to_langtag('$2')}).
|
|
|
|
literal -> string_literal_quote : to_literal('$1').
|
|
|
|
|
2021-09-28 18:57:34 +00:00
|
|
|
quoted_triple -> '<<' subject predicate object '>>' : { '$2', '$3', '$4' }.
|
2016-10-30 18:36:46 +00:00
|
|
|
|
|
|
|
Erlang code.
|
|
|
|
|
2017-08-20 20:35:14 +00:00
|
|
|
to_iri(IRIREF) ->
|
|
|
|
case 'Elixir.RDF.Serialization.ParseHelper':to_iri(IRIREF) of
|
2016-10-30 18:36:46 +00:00
|
|
|
{ok, URI} -> URI;
|
|
|
|
{error, ErrorLine, Message} -> return_error(ErrorLine, Message)
|
|
|
|
end.
|
2017-04-10 19:24:43 +00:00
|
|
|
to_bnode(BLANK_NODE_LABEL) -> 'Elixir.RDF.Serialization.ParseHelper':to_bnode(BLANK_NODE_LABEL).
|
|
|
|
to_literal(STRING_LITERAL_QUOTE) -> 'Elixir.RDF.Serialization.ParseHelper':to_literal(STRING_LITERAL_QUOTE).
|
|
|
|
to_literal(STRING_LITERAL_QUOTE, Type) -> 'Elixir.RDF.Serialization.ParseHelper':to_literal(STRING_LITERAL_QUOTE, Type).
|
|
|
|
to_langtag(LANGTAG) -> 'Elixir.RDF.Serialization.ParseHelper':to_langtag(LANGTAG).
|