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syndication/rdf

  • syndication
  • rdf
resourcewrapper.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#include "resourcewrapper.h"
23#include "model.h"
24#include "resource.h"
25
26
27namespace Syndication {
28namespace RDF {
29
30class ResourceWrapper::ResourceWrapperPrivate
31{
32 public:
33
34 ResourcePtr resource;
35 Model model;
36};
37
38ResourceWrapper::ResourceWrapper() : d(new ResourceWrapperPrivate)
39{
40 d->resource = ResourcePtr( new Resource() );
41}
42
43ResourceWrapper::ResourceWrapper(const ResourceWrapper& other)
44{
45 *this = other;
46}
47
48ResourceWrapper::ResourceWrapper(ResourcePtr resource) : d(new ResourceWrapperPrivate)
49{
50 // if a null pointer is passed, we create a null resource
51 d->resource = !resource ? ResourcePtr( new Resource() ) : resource;
52 d->model = d->resource->model();
53}
54
55ResourceWrapper::~ResourceWrapper()
56{
57}
58
59ResourceWrapper& ResourceWrapper::operator=(const ResourceWrapper& other)
60{
61 d = other.d;
62 return *this;
63}
64
65bool ResourceWrapper::operator==(const ResourceWrapper& other) const
66{
67 return *(d->resource) == *(other.d->resource);
68}
69
70bool ResourceWrapper::isNull() const
71{
72 return d->resource->isNull();
73}
74
75ResourcePtr ResourceWrapper::resource() const
76{
77 return d->resource;
78}
79
80} // namespace RDF
81} // namespace Syndication
Syndication::RDF::ResourceWrapper
A wrapper for RDF resources.
Definition: resourcewrapper.h:41
Syndication::RDF::ResourceWrapper::operator=
ResourceWrapper & operator=(const ResourceWrapper &other)
Assignment oeprator Due to the shared d pointer, this is a cheap operation.
Definition: resourcewrapper.cpp:59
Syndication::RDF::ResourceWrapper::ResourceWrapper
ResourceWrapper()
creates a wrapper wrapping a null resource, isNull() will be true.
Definition: resourcewrapper.cpp:38
Syndication::RDF::ResourceWrapper::~ResourceWrapper
virtual ~ResourceWrapper()
destructor
Definition: resourcewrapper.cpp:55
Syndication::RDF::ResourceWrapper::isNull
bool isNull() const
returns whether the wrapped resource is a null resource
Definition: resourcewrapper.cpp:70
Syndication::RDF::ResourceWrapper::operator==
bool operator==(const ResourceWrapper &other) const
compares two resource wrapper instances.
Definition: resourcewrapper.cpp:65
Syndication::RDF::ResourceWrapper::resource
ResourcePtr resource() const
returns the wrapped resource.
Definition: resourcewrapper.cpp:75
Syndication::RDF::Resource
Resources are the entities in the RDF graph.
Definition: resource.h:52
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