RDF::Trine::Node - Base class for RDF Nodes
This document describes RDF::Trine::Node version 1.019
- "ntriples_escape ( $value )"
- Returns the passed string value with special characters (control
characters, Unicode, etc.) escaped, suitable for printing inside an
N-Triples or Turtle encoded literal.
- "is_node"
- Returns true if this object is a RDF node, false otherwise.
- "is_nil"
- Returns true if this object is the nil-valued node.
- "is_blank"
- Returns true if this RDF node is a blank node, false otherwise.
- "is_resource"
- Returns true if this RDF node is a resource, false otherwise.
- "is_literal"
- Returns true if this RDF node is a literal, false otherwise.
- "is_variable"
- Returns true if this RDF node is a variable, false otherwise.
- "as_string"
- Returns the node in a string form.
- "as_ntriples"
- Returns the node in a string form suitable for NTriples
serialization.
- "sse"
- Returns the SSE serialization of the node.
- "equal ( $node )"
- Returns true if the two nodes are equal, false otherwise.
- "compare ( $node_a, $node_b )"
- Returns -1, 0, or 1 if $node_a sorts less than,
equal to, or greater than $node_b in the defined
SPARQL ordering, respectively. This function may be used as the function
argument to "<sort">.
- "as_hashref"
- Returns a hashref representing the node in an RDF/JSON-like manner.
See "as_hashref" at
RDF::Trine::Model for full documentation of the hashref format.
- "from_sse ( $string, $context )"
- Parses the supplied SSE-encoded string and returns a RDF::Trine::Node
object.
Please report any bugs or feature requests to through the GitHub
web interface at <https://github.com/kasei/perlrdf/issues>.
Gregory Todd Williams
"<gwilliams@cpan.org>"
Copyright (c) 2006-2012 Gregory Todd Williams. This program is
free software; you can redistribute it and/or modify it under the same terms
as Perl itself.