Class: RDF::NQuads::Reader
- Inherits:
-
RDF::NTriples::Reader
- Object
- Reader
- RDF::NTriples::Reader
- RDF::NQuads::Reader
- Defined in:
- vendor/bundler/ruby/3.3.0/bundler/gems/rdf-cfdeb1f47544/lib/rdf/nquads.rb
Constant Summary
Constants inherited from RDF::NTriples::Reader
RDF::NTriples::Reader::BLANK_NODE_LABEL, RDF::NTriples::Reader::COMMENT, RDF::NTriples::Reader::DATATYPE_URI, RDF::NTriples::Reader::ECHAR, RDF::NTriples::Reader::END_OF_STATEMENT, RDF::NTriples::Reader::ESCAPE_CHARS, RDF::NTriples::Reader::ESCAPE_CHARS_ESCAPED, RDF::NTriples::Reader::ESCAPE_CHARS_ESCAPED_REGEXP, RDF::NTriples::Reader::IRIREF, RDF::NTriples::Reader::IRI_RANGE, RDF::NTriples::Reader::LANGTAG, RDF::NTriples::Reader::LANG_DIR, RDF::NTriples::Reader::LITERAL, RDF::NTriples::Reader::LITERAL_PLAIN, RDF::NTriples::Reader::LITERAL_WITH_DATATYPE, RDF::NTriples::Reader::LITERAL_WITH_LANGUAGE, RDF::NTriples::Reader::NODEID, RDF::NTriples::Reader::OBJECT, RDF::NTriples::Reader::PN_CHARS, RDF::NTriples::Reader::PN_CHARS_BASE, RDF::NTriples::Reader::PN_CHARS_U, RDF::NTriples::Reader::PREDICATE, RDF::NTriples::Reader::QT_END, RDF::NTriples::Reader::QT_START, RDF::NTriples::Reader::STRING_LITERAL_QUOTE, RDF::NTriples::Reader::SUBJECT, RDF::NTriples::Reader::TT_END, RDF::NTriples::Reader::TT_START, RDF::NTriples::Reader::UCHAR, RDF::NTriples::Reader::UCHAR4, RDF::NTriples::Reader::UCHAR8, RDF::NTriples::Reader::URIREF, RDF::NTriples::Reader::U_CHARS1, RDF::NTriples::Reader::U_CHARS2
Constants included from Util::Logger
Instance Attribute Summary
Attributes inherited from Reader
Attributes included from Enumerable
Instance Method Summary collapse
-
#read_triple ⇒ Array
Read a Quad, where the graph_name is optional.
Methods inherited from RDF::NTriples::Reader
parse_literal, parse_node, parse_object, parse_predicate, parse_subject, parse_uri, #read_comment, #read_eos, #read_literal, #read_node, #read_quotedTriple, #read_tripleTerm, #read_uriref, #read_value, unescape, unserialize
Methods included from Util::Logger
#log_debug, #log_depth, #log_error, #log_fatal, #log_info, #log_recover, #log_recovering?, #log_statistics, #log_warn, #logger
Methods inherited from Reader
#base_uri, #canonicalize?, #close, each, #each_pg_statement, #each_statement, #each_triple, #encoding, #fail_object, #fail_predicate, #fail_subject, for, format, #initialize, #intern?, #lineno, open, options, #prefix, #prefixes, #prefixes=, #read_statement, #rewind, #to_sym, to_sym, #valid?, #validate?
Methods included from Util::Aliasing::LateBound
Methods included from Enumerable
add_entailment, #canonicalize, #canonicalize!, #dump, #each_graph, #each_object, #each_predicate, #each_quad, #each_statement, #each_subject, #each_term, #each_triple, #entail, #enum_graph, #enum_object, #enum_predicate, #enum_quad, #enum_statement, #enum_subject, #enum_term, #enum_triple, #graph?, #graph_names, #invalid?, #method_missing, #object?, #objects, #predicate?, #predicates, #project_graph, #quad?, #quads, #respond_to_missing?, #statement?, #statements, #subject?, #subjects, #supports?, #term?, #terms, #to_a, #to_h, #to_set, #triple?, #triples, #valid?, #validate!
Methods included from Isomorphic
#bijection_to, #isomorphic_with?
Methods included from Countable
Methods included from Readable
Constructor Details
This class inherits a constructor from RDF::Reader
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class RDF::Enumerable
Instance Method Details
#read_triple ⇒ Array
Read a Quad, where the graph_name is optional
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/rdf-cfdeb1f47544/lib/rdf/nquads.rb', line 67 def read_triple loop do readline.strip! # EOFError thrown on end of input line = @line # for backtracking input in case of parse error begin unless blank? || read_comment # FIXME: quoted triples are now deprecated subject = read_uriref || read_node || read_quotedTriple || fail_subject predicate = read_uriref(intern: true) || fail_predicate object = read_uriref || read_node || read_literal || read_tripleTerm || read_quotedTriple || fail_object graph_name = read_uriref || read_node if validate? && !read_eos log_error("Expected end of statement (found: #{current_line.inspect})", lineno: lineno, exception: RDF::ReaderError) end return [subject, predicate, object, {graph_name: graph_name}] end rescue RDF::ReaderError => e @line = line # this allows #read_value to work raise e end end end |