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syndication/rdf

  • syndication
  • rdf
literal.cpp
1 /*
2  * This file is part of the syndication library
3  *
4  * Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "literal.h"
24 #include "nodevisitor.h"
25 
26 #include <QtCore/QString>
27 
28 namespace Syndication {
29 namespace RDF {
30 
31 class Literal::LiteralPrivate
32 {
33  public:
34 
35  QString text;
36  unsigned int id;
37 
38  bool operator==(const LiteralPrivate& other) const
39  {
40  return text == other.text;
41  }
42 };
43 
44 Literal::Literal() : d()
45 {
46 }
47 
48 Literal::Literal(const Literal& other) : Node(other)
49 {
50  d = other.d;
51 }
52 
53 Literal* Literal::clone() const
54 {
55  return new Literal(*this);
56 }
57 
58 void Literal::accept(NodeVisitor* visitor, NodePtr ptr)
59 {
60  LiteralPtr lptr = boost::static_pointer_cast<Syndication::RDF::Literal>(ptr);
61  if (!visitor->visitLiteral(lptr))
62  Node::accept(visitor, ptr);
63 }
64 
65 Literal::Literal(const QString& text) : d(new LiteralPrivate)
66 {
67  d->text = text;
68  d->id = idCounter++;
69 }
70 
71 Literal::~Literal()
72 {
73 }
74 
75 Literal& Literal::operator=(const Literal& other)
76 {
77  d = other.d;
78  return *this;
79 }
80 
81 bool Literal::operator==(const Node& other) const
82 {
83  const Literal* o2 = dynamic_cast<const Literal*>(&other);
84  if (!o2)
85  return false;
86 
87  if (!d || !o2->d)
88  return d == o2->d;
89 
90  return *d == *(o2->d);
91 }
92 
93 bool Literal::isNull() const
94 {
95  return !d;
96 }
97 
98 unsigned int Literal::id() const
99 {
100  return d ? d->id : 0;
101 }
102 
103 bool Literal::isResource() const
104 {
105  return false;
106 }
107 
108 bool Literal::isProperty() const
109 {
110  return false;
111 }
112 
113 bool Literal::isLiteral() const
114 {
115  return true;
116 }
117 
118 bool Literal::isAnon() const
119 {
120  return false;
121 }
122 
123 bool Literal::isSequence() const
124 {
125  return false;
126 }
127 
128 QString Literal::text() const
129 {
130  return d ? d->text : QString();
131 }
132 
133 Literal::operator QString() const
134 {
135  return d ? d->text : QString();
136 }
137 
138 void Literal::setModel(const Model& /*model*/)
139 {
140 }
141 
142 void Literal::setId(unsigned int id)
143 {
144  d->id = id;
145 }
146 
147 } // namespace RDF
148 } // namespace Syndication
This file is part of the KDE documentation.
Documentation copyright © 1996-2013 The KDE developers.
Generated on Sat Jul 13 2013 01:26:28 by doxygen 1.8.3.1 written by Dimitri van Heesch, © 1997-2006

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