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metadatarepresentation.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
00004 ** Contact: Alexander Bokovoy <alexander.bokovoy@nokia.com>
00005 **
00006 ** This file is part of the Quill package.
00007 **
00008 ** Commercial Usage
00009 ** Licensees holding valid Qt Commercial licenses may use this file in
00010 ** accordance with the Qt Commercial License Agreement provided with the
00011 ** Software or, alternatively, in accordance with the terms contained in
00012 ** a written agreement between you and Nokia.
00013 **
00014 ** GNU Lesser General Public License Usage
00015 ** Alternatively, this file may be used under the terms of the GNU Lesser
00016 ** General Public License version 2.1 as published by the Free Software
00017 ** Foundation and appearing in the file LICENSE.LGPL included in the
00018 ** packaging of this file.  Please review the following information to
00019 ** ensure the GNU Lesser General Public License version 2.1 requirements
00020 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00021 **
00022 ** In addition, as a special exception, Nokia gives you certain
00023 ** additional rights. These rights are described in the Nokia Qt LGPL
00024 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
00025 ** package.
00026 **
00027 ** GNU General Public License Usage
00028 ** Alternatively, this file may be used under the terms of the GNU
00029 ** General Public License version 3.0 as published by the Free Software
00030 ** Foundation and appearing in the file LICENSE.GPL included in the
00031 ** packaging of this file.  Please review the following information to
00032 ** ensure the GNU General Public License version 3.0 requirements will be
00033 ** met: http://www.gnu.org/copyleft/gpl.html.
00034 **
00035 ** If you are unsure which license is appropriate for your use, please
00036 ** contact the sales department at qt-sales@nokia.com.
00037 **
00038 ****************************************************************************/
00039 
00040 #include "quillmetadata.h"
00041 
00042 #ifndef METADATA_REPRESENTATION_H
00043 #define METADATA_REPRESENTATION_H
00044 
00045 class MetadataRepresentation
00046 {
00047     virtual bool isValid() const = 0;
00048 
00049     virtual bool supportsEntry(QuillMetadata::Tag tag) const = 0;
00050     virtual bool hasEntry(QuillMetadata::Tag tag) const = 0;
00051     virtual QVariant entry(QuillMetadata::Tag tag) const = 0;
00052     virtual void setEntry(QuillMetadata::Tag tag, const QVariant &entry) = 0;
00053     virtual void removeEntry(QuillMetadata::Tag tag) = 0;
00054 
00055     bool write(const QString &fileName) const;
00056 };
00057 
00058 #endif

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