1RDF::Trine::Node(3) User Contributed Perl Documentation RDF::Trine::Node(3)
2
3
4
6 RDF::Trine::Node - Base class for RDF Nodes
7
9 This document describes RDF::Trine::Node version 1.019
10
12 "ntriples_escape ( $value )"
13 Returns the passed string value with special characters (control
14 characters, Unicode, etc.) escaped, suitable for printing inside an
15 N-Triples or Turtle encoded literal.
16
18 "is_node"
19 Returns true if this object is a RDF node, false otherwise.
20
21 "is_nil"
22 Returns true if this object is the nil-valued node.
23
24 "is_blank"
25 Returns true if this RDF node is a blank node, false otherwise.
26
27 "is_resource"
28 Returns true if this RDF node is a resource, false otherwise.
29
30 "is_literal"
31 Returns true if this RDF node is a literal, false otherwise.
32
33 "is_variable"
34 Returns true if this RDF node is a variable, false otherwise.
35
36 "as_string"
37 Returns the node in a string form.
38
39 "as_ntriples"
40 Returns the node in a string form suitable for NTriples
41 serialization.
42
43 "sse"
44 Returns the SSE serialization of the node.
45
46 "equal ( $node )"
47 Returns true if the two nodes are equal, false otherwise.
48
49 "compare ( $node_a, $node_b )"
50 Returns -1, 0, or 1 if $node_a sorts less than, equal to, or
51 greater than $node_b in the defined SPARQL ordering, respectively.
52 This function may be used as the function argument to "<sort">.
53
54 "as_hashref"
55 Returns a hashref representing the node in an RDF/JSON-like manner.
56
57 See "as_hashref" at RDF::Trine::Model for full documentation of the
58 hashref format.
59
60 "from_sse ( $string, $context )"
61 Parses the supplied SSE-encoded string and returns a
62 RDF::Trine::Node object.
63
65 Please report any bugs or feature requests to through the GitHub web
66 interface at <https://github.com/kasei/perlrdf/issues>.
67
69 Gregory Todd Williams "<gwilliams@cpan.org>"
70
72 Copyright (c) 2006-2012 Gregory Todd Williams. This program is free
73 software; you can redistribute it and/or modify it under the same terms
74 as Perl itself.
75
76
77
78perl v5.38.0 2023-07-21 RDF::Trine::Node(3)