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@ -86,7 +86,9 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::BaseExpectIri); |
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self |
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} |
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N3Token::PlainKeyword(k) if k.eq_ignore_ascii_case("graph") && context.with_graph_name => { |
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N3Token::PlainKeyword(k) |
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if k.eq_ignore_ascii_case("graph") && context.with_graph_name => |
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{ |
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self.stack.push(TriGState::WrappedGraph); |
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self.stack.push(TriGState::GraphName); |
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self |
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@ -100,7 +102,7 @@ impl RuleRecognizer for TriGRecognizer { |
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self.recognize_next(token, context, results, errors) |
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} |
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} |
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}, |
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} |
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TriGState::ExpectDot => { |
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self.cur_subject.pop(); |
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if token == N3Token::Punctuation(".") { |
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@ -109,65 +111,74 @@ impl RuleRecognizer for TriGRecognizer { |
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errors.push("A dot is expected at the end of statements".into()); |
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self.recognize_next(token, context, results, errors) |
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} |
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}, |
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TriGState::BaseExpectIri => match token { |
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N3Token::IriRef(iri) => { |
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match Iri::parse_unchecked(iri) { |
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Ok(iri) => { |
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context.lexer_options.base_iri = Some(iri); |
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self |
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} |
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Err(e) => self.error(errors, format!("Invalid base IRI: {e}")) |
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TriGState::BaseExpectIri => { |
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if let N3Token::IriRef(iri) = token { |
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context.lexer_options.base_iri = Some(Iri::parse_unchecked(iri)); |
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self |
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} else { |
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self.error(errors, "The BASE keyword should be followed by an IRI") |
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} |
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} |
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_ => self.error(errors, "The BASE keyword should be followed by an IRI"), |
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}, |
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TriGState::PrefixExpectPrefix => match token { |
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N3Token::PrefixedName { prefix, local, .. } if local.is_empty() => { |
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self.stack.push(TriGState::PrefixExpectIri { name: prefix.to_owned() }); |
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self.stack.push(TriGState::PrefixExpectIri { |
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name: prefix.to_owned(), |
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}); |
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self |
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} |
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_ => { |
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self.error(errors, "The PREFIX keyword should be followed by a prefix like 'ex:'") |
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} |
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_ => self.error( |
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errors, |
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"The PREFIX keyword should be followed by a prefix like 'ex:'", |
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), |
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}, |
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TriGState::PrefixExpectIri { name } => match token { |
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N3Token::IriRef(iri) => { |
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match Iri::parse_unchecked(iri) { |
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Ok(iri) => { |
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context.prefixes.insert(name, iri); |
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TriGState::PrefixExpectIri { name } => { |
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if let N3Token::IriRef(iri) = token { |
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context.prefixes.insert(name, Iri::parse_unchecked(iri)); |
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self |
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} else { |
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self.error(errors, "The PREFIX declaration should be followed by a prefix and its value as an IRI") |
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} |
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} |
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Err(e) => self.error(errors, format!("Invalid prefix IRI: {e}")) |
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} } |
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_ => self.error(errors, "The PREFIX declaration should be followed by a prefix and its value as an IRI"), |
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}, |
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// [3g] triplesOrGraph ::= labelOrSubject ( wrappedGraph | predicateObjectList '.' ) | quotedTriple predicateObjectList '.'
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// [4g] triples2 ::= blankNodePropertyList predicateObjectList? '.' | collection predicateObjectList '.'
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TriGState::TriplesOrGraph => match token { |
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N3Token::IriRef(iri) => { |
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self.stack.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: NamedNode::new_unchecked(iri).into() |
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self.stack |
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.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: NamedNode::new_unchecked(iri).into(), |
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}); |
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self |
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} |
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N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
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N3Token::PrefixedName { |
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prefix, |
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local, |
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might_be_invalid_iri, |
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} => match resolve_local_name( |
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prefix, |
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&local, |
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might_be_invalid_iri, |
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&context.prefixes, |
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) { |
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Ok(t) => { |
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self.stack.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: t.into() |
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self.stack |
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.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: t.into(), |
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}); |
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self |
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}, |
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Err(e) => self.error(errors, e) |
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} |
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Err(e) => self.error(errors, e), |
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}, |
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N3Token::BlankNodeLabel(label) => { |
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self.stack.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: BlankNode::new_unchecked(label).into() |
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self.stack |
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.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: BlankNode::new_unchecked(label).into(), |
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}); |
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self |
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} |
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N3Token::Punctuation("[") => { |
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self.stack.push(TriGState::WrappedGraphBlankNodePropertyListCurrent); |
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self.stack |
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.push(TriGState::WrappedGraphBlankNodePropertyListCurrent); |
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self |
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} |
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N3Token::Punctuation("(") => { |
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@ -186,10 +197,8 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::QuotedSubject); |
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self |
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} |
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_ => { |
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self.error(errors, "TOKEN is not a valid subject or graph name") |
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} |
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} |
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_ => self.error(errors, "TOKEN is not a valid subject or graph name"), |
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}, |
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TriGState::WrappedGraphOrPredicateObjectList { term } => { |
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if token == N3Token::Punctuation("{") && context.with_graph_name { |
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self.cur_graph = term.into(); |
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@ -201,9 +210,11 @@ impl RuleRecognizer for TriGRecognizer { |
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} |
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self.recognize_next(token, context, results, errors) |
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} |
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TriGState::WrappedGraphBlankNodePropertyListCurrent => if token == N3Token::Punctuation("]") { |
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self.stack.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: BlankNode::default().into() |
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TriGState::WrappedGraphBlankNodePropertyListCurrent => { |
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if token == N3Token::Punctuation("]") { |
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self.stack |
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.push(TriGState::WrappedGraphOrPredicateObjectList { |
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term: BlankNode::default().into(), |
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}); |
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self |
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} else { |
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@ -213,20 +224,27 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::PredicateObjectList); |
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self.recognize_next(token, context, results, errors) |
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} |
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TriGState::SubjectBlankNodePropertyListEnd => if token == N3Token::Punctuation("]") { |
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self.stack.push(TriGState::SubjectBlankNodePropertyListAfter ); |
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} |
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TriGState::SubjectBlankNodePropertyListEnd => { |
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if token == N3Token::Punctuation("]") { |
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self.stack |
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.push(TriGState::SubjectBlankNodePropertyListAfter); |
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self |
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} else { |
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errors.push("blank node property lists should end with a ']'".into()); |
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self.stack.push(TriGState::SubjectBlankNodePropertyListAfter ); |
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self.stack |
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.push(TriGState::SubjectBlankNodePropertyListAfter); |
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self.recognize_next(token, context, results, errors) |
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} |
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TriGState::SubjectBlankNodePropertyListAfter => if matches!(token, N3Token::Punctuation("." | "}")) { |
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} |
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TriGState::SubjectBlankNodePropertyListAfter => { |
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if matches!(token, N3Token::Punctuation("." | "}")) { |
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self.recognize_next(token, context, results, errors) |
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} else { |
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self.stack.push(TriGState::PredicateObjectList); |
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self.recognize_next(token, context, results, errors) |
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} |
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} |
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TriGState::SubjectCollectionBeginning => { |
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if let N3Token::Punctuation(")") = token { |
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self.cur_subject.push(rdf::NIL.into()); |
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@ -240,18 +258,13 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::Object); |
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self.recognize_next(token, context, results, errors) |
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} |
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}, |
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} |
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TriGState::SubjectCollectionPossibleEnd => { |
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let old = self.cur_subject.pop().unwrap(); |
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self.cur_object.pop(); |
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if let N3Token::Punctuation(")") = token { |
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self.cur_predicate.pop(); |
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results.push(Quad::new( |
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old, |
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rdf::REST, |
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rdf::NIL, |
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self.cur_graph.clone() |
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)); |
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results.push(Quad::new(old, rdf::REST, rdf::NIL, self.cur_graph.clone())); |
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self |
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} else { |
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let new = BlankNode::default(); |
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@ -259,7 +272,7 @@ impl RuleRecognizer for TriGRecognizer { |
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old, |
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rdf::REST, |
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new.clone(), |
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self.cur_graph.clone() |
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self.cur_graph.clone(), |
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)); |
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self.cur_subject.push(new.into()); |
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self.stack.push(TriGState::ObjectCollectionPossibleEnd); |
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@ -269,26 +282,28 @@ impl RuleRecognizer for TriGRecognizer { |
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} |
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// [5g] wrappedGraph ::= '{' triplesBlock? '}'
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// [6g] triplesBlock ::= triples ('.' triplesBlock?)?
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TriGState::WrappedGraph => if token == N3Token::Punctuation("{") { |
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TriGState::WrappedGraph => { |
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if token == N3Token::Punctuation("{") { |
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self.stack.push(TriGState::WrappedGraphPossibleEnd); |
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self.stack.push(TriGState::Triples); |
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self |
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} else { |
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self.error(errors, "The GRAPH keyword should be followed by a graph name and a value in '{'") |
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}, |
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} |
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} |
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TriGState::WrappedGraphPossibleEnd => { |
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self.cur_subject.pop(); |
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match token { |
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N3Token::Punctuation("}") => { |
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self |
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} |
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N3Token::Punctuation("}") => self, |
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N3Token::Punctuation(".") => { |
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self.stack.push(TriGState::WrappedGraphPossibleEnd); |
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self.stack.push(TriGState::Triples); |
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self |
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} |
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_ => { |
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errors.push("A '}' or a '.' is expected at the end of a graph block".into()); |
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errors.push( |
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"A '}' or a '.' is expected at the end of a graph block".into(), |
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); |
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self.recognize_next(token, context, results, errors) |
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} |
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} |
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@ -298,10 +313,11 @@ impl RuleRecognizer for TriGRecognizer { |
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TriGState::Triples => match token { |
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N3Token::Punctuation("}") => { |
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self.recognize_next(token, context, results, errors) // Early end
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}, |
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} |
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N3Token::Punctuation("[") => { |
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self.cur_subject.push(BlankNode::default().into()); |
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self.stack.push(TriGState::TriplesBlankNodePropertyListCurrent); |
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self.stack |
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.push(TriGState::TriplesBlankNodePropertyListCurrent); |
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self |
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} |
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N3Token::IriRef(iri) => { |
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@ -309,16 +325,26 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::PredicateObjectList); |
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self |
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} |
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N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
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N3Token::PrefixedName { |
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prefix, |
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local, |
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might_be_invalid_iri, |
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} => match resolve_local_name( |
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prefix, |
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&local, |
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might_be_invalid_iri, |
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&context.prefixes, |
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) { |
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Ok(t) => { |
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self.cur_subject.push(t.into()); |
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self.stack.push(TriGState::PredicateObjectList); |
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self |
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}, |
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Err(e) => self.error(errors, e) |
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} |
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Err(e) => self.error(errors, e), |
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}, |
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N3Token::BlankNodeLabel(label) => { |
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self.cur_subject.push(BlankNode::new_unchecked(label).into()); |
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self.cur_subject |
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.push(BlankNode::new_unchecked(label).into()); |
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self.stack.push(TriGState::PredicateObjectList); |
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self |
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} |
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@ -336,11 +362,10 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::QuotedSubject); |
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self |
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} |
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_ => { |
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self.error(errors, "TOKEN is not a valid RDF subject") |
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} |
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_ => self.error(errors, "TOKEN is not a valid RDF subject"), |
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}, |
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TriGState::TriplesBlankNodePropertyListCurrent => if token == N3Token::Punctuation("]") { |
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TriGState::TriplesBlankNodePropertyListCurrent => { |
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if token == N3Token::Punctuation("]") { |
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self.stack.push(TriGState::PredicateObjectList); |
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self |
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} else { |
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@ -348,19 +373,29 @@ impl RuleRecognizer for TriGRecognizer { |
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self.stack.push(TriGState::PredicateObjectList); |
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self.recognize_next(token, context, results, errors) |
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} |
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} |
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// [7g] labelOrSubject ::= iri | BlankNode
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TriGState::GraphName => match token { |
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N3Token::IriRef(iri) => { |
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self.cur_graph = NamedNode::new_unchecked(iri).into(); |
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self |
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} |
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N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
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N3Token::PrefixedName { |
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prefix, |
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local, |
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might_be_invalid_iri, |
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} => match resolve_local_name( |
|
|
|
|
prefix, |
|
|
|
|
&local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
&context.prefixes, |
|
|
|
|
) { |
|
|
|
|
Ok(t) => { |
|
|
|
|
self.cur_graph = t.into(); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
Err(e) => self.error(errors, e) |
|
|
|
|
} |
|
|
|
|
Err(e) => self.error(errors, e), |
|
|
|
|
}, |
|
|
|
|
N3Token::BlankNodeLabel(label) => { |
|
|
|
|
self.cur_graph = BlankNode::new_unchecked(label).into(); |
|
|
|
|
self |
|
|
|
|
@ -369,34 +404,37 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::GraphNameAnonEnd); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
_ => { |
|
|
|
|
self.error(errors, "TOKEN is not a valid graph name") |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
TriGState::GraphNameAnonEnd => if token == N3Token::Punctuation("]") { |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid graph name"), |
|
|
|
|
}, |
|
|
|
|
TriGState::GraphNameAnonEnd => { |
|
|
|
|
if token == N3Token::Punctuation("]") { |
|
|
|
|
self.cur_graph = BlankNode::default().into(); |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "Anonymous blank node with a property list are not allowed as graph name") |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
// [7] predicateObjectList ::= verb objectList (';' (verb objectList)?)*
|
|
|
|
|
TriGState::PredicateObjectList => { |
|
|
|
|
self.stack.push(TriGState::PredicateObjectListEnd); |
|
|
|
|
self.stack.push(TriGState::ObjectsList); |
|
|
|
|
self.stack.push(TriGState::Verb); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
TriGState::PredicateObjectListEnd => { |
|
|
|
|
self.cur_predicate.pop(); |
|
|
|
|
if token == N3Token::Punctuation(";") { |
|
|
|
|
self.stack.push(TriGState::PredicateObjectListPossibleContinuation); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::PredicateObjectListPossibleContinuation); |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
} |
|
|
|
|
}, |
|
|
|
|
TriGState::PredicateObjectListPossibleContinuation => if token == N3Token::Punctuation(";") { |
|
|
|
|
self.stack.push(TriGState::PredicateObjectListPossibleContinuation); |
|
|
|
|
} |
|
|
|
|
TriGState::PredicateObjectListPossibleContinuation => { |
|
|
|
|
if token == N3Token::Punctuation(";") { |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::PredicateObjectListPossibleContinuation); |
|
|
|
|
self |
|
|
|
|
} else if matches!(token, N3Token::Punctuation("." | "}" | "]")) { |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
@ -405,7 +443,8 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::ObjectsList); |
|
|
|
|
self.stack.push(TriGState::Verb); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
// [8] objectList ::= object annotation? ( ',' object annotation? )*
|
|
|
|
|
// [30t] annotation ::= '{|' predicateObjectList '|}'
|
|
|
|
|
TriGState::ObjectsList => { |
|
|
|
|
@ -413,20 +452,19 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::Object); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectsListEnd => { |
|
|
|
|
match token { |
|
|
|
|
TriGState::ObjectsListEnd => match token { |
|
|
|
|
N3Token::Punctuation(",") => { |
|
|
|
|
self.cur_object.pop(); |
|
|
|
|
self.stack.push(TriGState::ObjectsListEnd); |
|
|
|
|
self.stack.push(TriGState::Object); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
N3Token::Punctuation("{|") => { |
|
|
|
|
let triple = Triple::new( |
|
|
|
|
self.cur_subject.last().unwrap().clone(), |
|
|
|
|
self.cur_predicate.last().unwrap().clone(), |
|
|
|
|
self.cur_object.pop().unwrap() |
|
|
|
|
self.cur_object.pop().unwrap(), |
|
|
|
|
); |
|
|
|
|
self.cur_subject.push(triple.into()); |
|
|
|
|
self.stack.push(TriGState::AnnotationEnd); |
|
|
|
|
@ -437,7 +475,6 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.cur_object.pop(); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
}, |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
TriGState::AnnotationEnd => { |
|
|
|
|
@ -448,15 +485,17 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "Annotations should end with '|}'") |
|
|
|
|
} |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
TriGState::ObjectsListAfterAnnotation => if token == N3Token::Punctuation(",") { |
|
|
|
|
TriGState::ObjectsListAfterAnnotation => { |
|
|
|
|
if token == N3Token::Punctuation(",") { |
|
|
|
|
self.stack.push(TriGState::ObjectsListEnd); |
|
|
|
|
self.stack.push(TriGState::Object); |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
// [9] verb ::= predicate | 'a'
|
|
|
|
|
// [11] predicate ::= iri
|
|
|
|
|
TriGState::Verb => match token { |
|
|
|
|
@ -468,17 +507,24 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.cur_predicate.push(NamedNode::new_unchecked(iri)); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
|
|
|
|
N3Token::PrefixedName { |
|
|
|
|
prefix, |
|
|
|
|
local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
} => match resolve_local_name( |
|
|
|
|
prefix, |
|
|
|
|
&local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
&context.prefixes, |
|
|
|
|
) { |
|
|
|
|
Ok(t) => { |
|
|
|
|
self.cur_predicate.push(t); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
Err(e) => self.error(errors, e) |
|
|
|
|
} |
|
|
|
|
_ => { |
|
|
|
|
self.error(errors, "TOKEN is not a valid predicate") |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
Err(e) => self.error(errors, e), |
|
|
|
|
}, |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid predicate"), |
|
|
|
|
}, |
|
|
|
|
// [12] object ::= iri | BlankNode | collection | blankNodePropertyList | literal | quotedTriple
|
|
|
|
|
// [13] literal ::= RDFLiteral | NumericLiteral | BooleanLiteral
|
|
|
|
|
// [14] blank ::= BlankNode | collection
|
|
|
|
|
@ -497,21 +543,31 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
|
|
|
|
N3Token::PrefixedName { |
|
|
|
|
prefix, |
|
|
|
|
local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
} => match resolve_local_name( |
|
|
|
|
prefix, |
|
|
|
|
&local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
&context.prefixes, |
|
|
|
|
) { |
|
|
|
|
Ok(t) => { |
|
|
|
|
self.cur_object.push(t.into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
Err(e) => self.error(errors, e) |
|
|
|
|
} |
|
|
|
|
Err(e) => self.error(errors, e), |
|
|
|
|
}, |
|
|
|
|
N3Token::BlankNodeLabel(label) => { |
|
|
|
|
self.cur_object.push(BlankNode::new_unchecked(label).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Punctuation("[") => { |
|
|
|
|
self.stack.push(TriGState::ObjectBlankNodePropertyListCurrent); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::ObjectBlankNodePropertyListCurrent); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Punctuation("(") => { |
|
|
|
|
@ -519,48 +575,53 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::String(value) => { |
|
|
|
|
self.stack.push(TriGState::LiteralPossibleSuffix { value, emit: true }); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::LiteralPossibleSuffix { value, emit: true }); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Integer(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::INTEGER).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::INTEGER).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Decimal(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::DECIMAL).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::DECIMAL).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Double(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::DOUBLE).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::DOUBLE).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PlainKeyword("true") => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal("true", xsd::BOOLEAN).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal("true", xsd::BOOLEAN).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PlainKeyword("false") => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal("false", xsd::BOOLEAN).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal("false", xsd::BOOLEAN).into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
N3Token::Punctuation("<<") if context.with_quoted_triples => { |
|
|
|
|
self.stack.push(TriGState::ObjectQuotedTripleEnd { emit: true }); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::ObjectQuotedTripleEnd { emit: true }); |
|
|
|
|
self.stack.push(TriGState::QuotedObject); |
|
|
|
|
self.stack.push(TriGState::Verb); |
|
|
|
|
self.stack.push(TriGState::QuotedSubject); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
_ => { |
|
|
|
|
self.error(errors, "TOKEN is not a valid RDF object") |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
TriGState::ObjectBlankNodePropertyListCurrent => if token == N3Token::Punctuation("]") { |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid RDF object"), |
|
|
|
|
}, |
|
|
|
|
TriGState::ObjectBlankNodePropertyListCurrent => { |
|
|
|
|
if token == N3Token::Punctuation("]") { |
|
|
|
|
self.cur_object.push(BlankNode::default().into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
@ -570,14 +631,18 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::PredicateObjectList); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectBlankNodePropertyListEnd => if token == N3Token::Punctuation("]") { |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectBlankNodePropertyListEnd => { |
|
|
|
|
if token == N3Token::Punctuation("]") { |
|
|
|
|
self.cur_object.push(self.cur_subject.pop().unwrap().into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "blank node property lists should end with a ']'") |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectCollectionBeginning => if let N3Token::Punctuation(")") = token { |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectCollectionBeginning => { |
|
|
|
|
if let N3Token::Punctuation(")") = token { |
|
|
|
|
self.cur_object.push(rdf::NIL.into()); |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
self |
|
|
|
|
@ -590,24 +655,22 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::ObjectCollectionPossibleEnd); |
|
|
|
|
self.stack.push(TriGState::Object); |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
}, |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
TriGState::ObjectCollectionPossibleEnd => { |
|
|
|
|
let old = self.cur_subject.pop().unwrap(); |
|
|
|
|
self.cur_object.pop(); |
|
|
|
|
if let N3Token::Punctuation(")") = token { |
|
|
|
|
self.cur_predicate.pop(); |
|
|
|
|
results.push(Quad::new(old, |
|
|
|
|
rdf::REST, |
|
|
|
|
rdf::NIL, |
|
|
|
|
self.cur_graph.clone() |
|
|
|
|
)); |
|
|
|
|
results.push(Quad::new(old, rdf::REST, rdf::NIL, self.cur_graph.clone())); |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
let new = BlankNode::default(); |
|
|
|
|
results.push(Quad::new(old, |
|
|
|
|
results.push(Quad::new( |
|
|
|
|
old, |
|
|
|
|
rdf::REST, |
|
|
|
|
new.clone(), |
|
|
|
|
self.cur_graph.clone() |
|
|
|
|
self.cur_graph.clone(), |
|
|
|
|
)); |
|
|
|
|
self.cur_subject.push(new.into()); |
|
|
|
|
self.stack.push(TriGState::ObjectCollectionPossibleEnd); |
|
|
|
|
@ -615,65 +678,85 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.recognize_next(token, context, results, errors) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
TriGState::LiteralPossibleSuffix { value, emit } => { |
|
|
|
|
match token { |
|
|
|
|
TriGState::LiteralPossibleSuffix { value, emit } => match token { |
|
|
|
|
N3Token::LangTag(lang) => { |
|
|
|
|
self.cur_object.push(Literal::new_language_tagged_literal_unchecked(value, lang.to_ascii_lowercase()).into()); |
|
|
|
|
self.cur_object.push( |
|
|
|
|
Literal::new_language_tagged_literal_unchecked( |
|
|
|
|
value, |
|
|
|
|
lang.to_ascii_lowercase(), |
|
|
|
|
) |
|
|
|
|
.into(), |
|
|
|
|
); |
|
|
|
|
if emit { |
|
|
|
|
self.emit_quad(results); |
|
|
|
|
} |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
} |
|
|
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|
N3Token::Punctuation("^^") => { |
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self.stack.push(TriGState::LiteralExpectDatatype { value, emit }); |
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|
self.stack |
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|
.push(TriGState::LiteralExpectDatatype { value, emit }); |
|
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|
self |
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|
} |
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|
_ => { |
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|
self.cur_object.push(Literal::new_simple_literal(value).into()); |
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|
self.cur_object |
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|
.push(Literal::new_simple_literal(value).into()); |
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|
if emit { |
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|
self.emit_quad(results); |
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|
} |
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self.recognize_next(token, context, results, errors) |
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} |
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} |
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} |
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TriGState::LiteralExpectDatatype { value, emit } => { |
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|
match token { |
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}, |
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TriGState::LiteralExpectDatatype { value, emit } => match token { |
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|
N3Token::IriRef(datatype) => { |
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|
self.cur_object.push(Literal::new_typed_literal(value, NamedNode::new_unchecked(datatype)).into()); |
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|
self.cur_object.push( |
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Literal::new_typed_literal(value, NamedNode::new_unchecked(datatype)) |
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|
.into(), |
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|
); |
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if emit { |
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|
self.emit_quad(results); |
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|
} |
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|
self |
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}, |
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|
N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
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|
} |
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|
N3Token::PrefixedName { |
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|
prefix, |
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|
local, |
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|
might_be_invalid_iri, |
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|
} => match resolve_local_name( |
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|
prefix, |
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|
&local, |
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|
might_be_invalid_iri, |
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|
&context.prefixes, |
|
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|
|
) { |
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|
Ok(t) => { |
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|
self.cur_object.push(Literal::new_typed_literal(value, t).into()); |
|
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|
self.cur_object |
|
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|
|
.push(Literal::new_typed_literal(value, t).into()); |
|
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|
|
if emit { |
|
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|
|
self.emit_quad(results); |
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|
|
} |
|
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|
self |
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|
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|
}, |
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|
|
Err(e) => self.error(errors, e) |
|
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|
} |
|
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|
_ => { |
|
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|
|
self.error(errors, "Expecting a datatype IRI after ^^, found TOKEN").recognize_next(token, context, results, errors) |
|
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|
|
} |
|
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|
|
} |
|
|
|
|
} |
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|
Err(e) => self.error(errors, e), |
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|
}, |
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|
_ => self |
|
|
|
|
.error(errors, "Expecting a datatype IRI after ^^, found TOKEN") |
|
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|
|
.recognize_next(token, context, results, errors), |
|
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|
|
}, |
|
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|
// [27t] quotedTriple ::= '<<' qtSubject verb qtObject '>>'
|
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|
|
|
#[cfg(feature = "rdf-star")] |
|
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|
|
TriGState::SubjectQuotedTripleEnd => { |
|
|
|
|
let triple = Triple::new( |
|
|
|
|
self.cur_subject.pop().unwrap(), |
|
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|
|
self.cur_predicate.pop().unwrap(), |
|
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|
|
self.cur_object.pop().unwrap() |
|
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|
|
self.cur_object.pop().unwrap(), |
|
|
|
|
); |
|
|
|
|
self.cur_subject.push(triple.into()); |
|
|
|
|
if token == N3Token::Punctuation(">>") { |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "Expecting '>>' to close a quoted triple, found TOKEN") |
|
|
|
|
self.error( |
|
|
|
|
errors, |
|
|
|
|
"Expecting '>>' to close a quoted triple, found TOKEN", |
|
|
|
|
) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
@ -681,7 +764,7 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
let triple = Triple::new( |
|
|
|
|
self.cur_subject.pop().unwrap(), |
|
|
|
|
self.cur_predicate.pop().unwrap(), |
|
|
|
|
self.cur_object.pop().unwrap() |
|
|
|
|
self.cur_object.pop().unwrap(), |
|
|
|
|
); |
|
|
|
|
self.cur_object.push(triple.into()); |
|
|
|
|
if emit { |
|
|
|
|
@ -690,7 +773,10 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
if token == N3Token::Punctuation(">>") { |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "Expecting '>>' to close a quoted triple, found TOKEN") |
|
|
|
|
self.error( |
|
|
|
|
errors, |
|
|
|
|
"Expecting '>>' to close a quoted triple, found TOKEN", |
|
|
|
|
) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
// [28t] qtSubject ::= iri | BlankNode | quotedTriple
|
|
|
|
|
@ -705,15 +791,25 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.cur_subject.push(NamedNode::new_unchecked(iri).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
|
|
|
|
N3Token::PrefixedName { |
|
|
|
|
prefix, |
|
|
|
|
local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
} => match resolve_local_name( |
|
|
|
|
prefix, |
|
|
|
|
&local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
&context.prefixes, |
|
|
|
|
) { |
|
|
|
|
Ok(t) => { |
|
|
|
|
self.cur_subject.push(t.into()); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
Err(e) => self.error(errors, e) |
|
|
|
|
} |
|
|
|
|
Err(e) => self.error(errors, e), |
|
|
|
|
}, |
|
|
|
|
N3Token::BlankNodeLabel(label) => { |
|
|
|
|
self.cur_subject.push(BlankNode::new_unchecked(label).into()); |
|
|
|
|
self.cur_subject |
|
|
|
|
.push(BlankNode::new_unchecked(label).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Punctuation("<<") => { |
|
|
|
|
@ -723,8 +819,11 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.stack.push(TriGState::QuotedSubject); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid RDF quoted triple subject: TOKEN") |
|
|
|
|
} |
|
|
|
|
_ => self.error( |
|
|
|
|
errors, |
|
|
|
|
"TOKEN is not a valid RDF quoted triple subject: TOKEN", |
|
|
|
|
), |
|
|
|
|
}, |
|
|
|
|
// [29t] qtObject ::= iri | BlankNode | literal | quotedTriple
|
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
TriGState::QuotedObject => match token { |
|
|
|
|
@ -737,57 +836,75 @@ impl RuleRecognizer for TriGRecognizer { |
|
|
|
|
self.cur_object.push(NamedNode::new_unchecked(iri).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PrefixedName { prefix, local, might_be_invalid_iri } => match resolve_local_name(prefix, &local, might_be_invalid_iri, &context.prefixes) { |
|
|
|
|
N3Token::PrefixedName { |
|
|
|
|
prefix, |
|
|
|
|
local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
} => match resolve_local_name( |
|
|
|
|
prefix, |
|
|
|
|
&local, |
|
|
|
|
might_be_invalid_iri, |
|
|
|
|
&context.prefixes, |
|
|
|
|
) { |
|
|
|
|
Ok(t) => { |
|
|
|
|
self.cur_object.push(t.into()); |
|
|
|
|
self |
|
|
|
|
}, |
|
|
|
|
Err(e) => self.error(errors, e) |
|
|
|
|
} |
|
|
|
|
Err(e) => self.error(errors, e), |
|
|
|
|
}, |
|
|
|
|
N3Token::BlankNodeLabel(label) => { |
|
|
|
|
self.cur_object.push(BlankNode::new_unchecked(label).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::String(value) => { |
|
|
|
|
self.stack.push(TriGState::LiteralPossibleSuffix { value, emit: false }); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::LiteralPossibleSuffix { value, emit: false }); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Integer(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::INTEGER).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::INTEGER).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Decimal(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::DECIMAL).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::DECIMAL).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Double(v) => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal(v, xsd::DOUBLE).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal(v, xsd::DOUBLE).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PlainKeyword("true") => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal("true", xsd::BOOLEAN).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal("true", xsd::BOOLEAN).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::PlainKeyword("false") => { |
|
|
|
|
self.cur_object.push(Literal::new_typed_literal("false", xsd::BOOLEAN).into()); |
|
|
|
|
self.cur_object |
|
|
|
|
.push(Literal::new_typed_literal("false", xsd::BOOLEAN).into()); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
N3Token::Punctuation("<<") => { |
|
|
|
|
self.stack.push(TriGState::ObjectQuotedTripleEnd { emit: false }); |
|
|
|
|
self.stack |
|
|
|
|
.push(TriGState::ObjectQuotedTripleEnd { emit: false }); |
|
|
|
|
self.stack.push(TriGState::QuotedObject); |
|
|
|
|
self.stack.push(TriGState::Verb); |
|
|
|
|
self.stack.push(TriGState::QuotedSubject); |
|
|
|
|
self |
|
|
|
|
} |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid RDF quoted triple object") |
|
|
|
|
} |
|
|
|
|
_ => self.error(errors, "TOKEN is not a valid RDF quoted triple object"), |
|
|
|
|
}, |
|
|
|
|
#[cfg(feature = "rdf-star")] |
|
|
|
|
TriGState::QuotedAnonEnd => if token == N3Token::Punctuation("]") { |
|
|
|
|
TriGState::QuotedAnonEnd => { |
|
|
|
|
if token == N3Token::Punctuation("]") { |
|
|
|
|
self |
|
|
|
|
} else { |
|
|
|
|
self.error(errors, "Anonymous blank node with a property list are not allowed in quoted triples") |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} else if token == N3Token::Punctuation(".") || token == N3Token::Punctuation("}") { |
|
|
|
|
// TODO: be smarter depending if we are in '{' or not
|
|
|
|
|
self.stack.push(TriGState::TriGDoc); |
|
|
|
|
|
Tpt
9 months ago
committed by