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00021 #ifndef SOPRANO_SERIALIZER_H
00022 #define SOPRANO_SERIALIZER_H
00023
00024 #include "plugin.h"
00025 #include "soprano_export.h"
00026 #include "sopranotypes.h"
00027 #include "error.h"
00028
00029 #include <QtCore/QObject>
00030 #include <QtCore/QHash>
00031 #include <QtCore/QUrl>
00032 #include <QtCore/QString>
00033
00034 class QTextStream;
00035
00036
00037 namespace Soprano
00038 {
00039 class StatementIterator;
00040
00068 class SOPRANO_EXPORT Serializer : public Plugin, public Error::ErrorCache
00069 {
00070 public:
00071 virtual ~Serializer();
00072
00080 virtual RdfSerializations supportedSerializations() const = 0;
00081
00090 virtual QStringList supportedUserSerializations() const;
00091
00103 bool supportsSerialization( RdfSerialization s, const QString& userSerialization = QString() ) const;
00104
00117 virtual bool serialize( StatementIterator it, QTextStream& stream, RdfSerialization serialization, const QString& userSerialization = QString() ) const = 0;
00118
00129 void addPrefix( const QString& qname, const QUrl& uri ) const;
00130
00138 void clearPrefixes() const;
00139
00147 QHash<QString, QUrl> prefixes() const;
00148
00149 protected:
00150 Serializer( const QString& name );
00151
00152 private:
00153 class Private;
00154 Private* const d;
00155 };
00156 }
00157
00158 Q_DECLARE_INTERFACE(Soprano::Serializer, "org.soprano.plugins.Serializer/1.0")
00159
00160 #endif
00161