/usr/include/syndication/rdf/statement.h is in kdepimlibs5-dev 4:4.8.5-0ubuntu0.3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /*
* This file is part of the syndication library
*
* Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef SYNDICATION_RDF_STATEMENT_H
#define SYNDICATION_RDF_STATEMENT_H
#include <syndication/rdf/property.h>
#include <boost/shared_ptr.hpp>
class QString;
namespace Syndication {
namespace RDF {
//@cond PRIVATE
class Statement;
typedef boost::shared_ptr<Statement> StatementPtr;
//@endcond
/**
* An RDF statement, consisting of a triple
* (subject, predicate, object).
*/
class SYNDICATION_EXPORT Statement
{
friend class Model;
public:
/**
* creates a null statement
*/
Statement();
/**
* creates a copy of another statement
*
* @param other the statement to copy
*/
Statement(const Statement& other);
/**
* creates a statement
* Do not call this in your code, use Model::createStatement() instead.
*
* @param subject the subject resource of the statement
* @param predicate the predicate of the statement
* @param object the object node of the statement
*/
Statement(ResourcePtr subject, PropertyPtr predicate, NodePtr object);
/**
* destructor
*/
virtual ~Statement();
/**
* assigns another statement
*
* @param other the statement to assign
*/
Statement& operator=(const Statement& other);
/**
* returns whether two statements are equal.
* Currently statements are equal, if they are from the same model (!)
* and subject, predicate and object are equal.
*
* @param other the statement to compare to
*/
virtual bool operator==(const Statement& other) const;
/**
* returns whether this statement is a null statement (i.e. was created
* using Statement())
*/
virtual bool isNull() const;
/**
* the subject of the statement.
*/
virtual ResourcePtr subject() const;
/**
* the predicate of the statement
*/
virtual PropertyPtr predicate() const;
/**
* the object of the statement
*/
virtual NodePtr object() const;
/**
* returns the object of this statement as resource, if possible.
*
* @return the object node as Resource, or @c null if the object
* is not a resource
*/
virtual ResourcePtr asResource() const;
/**
* returns the object of this statement as string, if possible.
*
* @return the literal text as QString, or a null string if the object
* is not a literal
*/
virtual QString asString() const;
private:
class StatementPrivate;
boost::shared_ptr<StatementPrivate> d;
};
} // namespace RDF
} // namespace Syndication
#endif // SYNDICATION_RDF_STATEMENT_H
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