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/***************************************************************************
copyright : (C) 2002 - 2008 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#ifndef TAGLIB_RIFFFILE_H
#define TAGLIB_RIFFFILE_H
#include "taglib_export.h"
#include "tfile.h"
namespace TagLib {
//! An implementation of TagLib::File with RIFF specific methods
namespace RIFF {
//! An RIFF file class with some useful methods specific to RIFF
/*!
* This implements the generic TagLib::File API and additionally provides
* access to properties that are distinct to RIFF files, notably access
* to the different ID3 tags.
*/
class TAGLIB_EXPORT File : public TagLib::File
{
public:
/*!
* Destroys this instance of the File.
*/
virtual ~File();
protected:
enum Endianness { BigEndian, LittleEndian };
File(FileName file, Endianness endianness);
File(IOStream *stream, Endianness endianness);
/*!
* \return The size of the main RIFF chunk.
*/
uint riffSize() const;
/*!
* \return The number of chunks in the file.
*/
uint chunkCount() const;
/*!
* \return The offset within the file for the selected chunk number.
*/
uint chunkOffset(uint i) const;
/*!
* \return The size of the chunk data.
*/
uint chunkDataSize(uint i) const;
/*!
* \return The size of the padding after the chunk (can be either 0 or 1).
*/
uint chunkPadding(uint i) const;
/*!
* \return The name of the specified chunk, for instance, "COMM" or "ID3 "
*/
ByteVector chunkName(uint i) const;
/*!
* Reads the chunk data from the file and returns it.
*
* \note This \e will move the read pointer for the file.
*/
ByteVector chunkData(uint i);
/*!
* Sets the data for the chunk \a name to \a data. If a chunk with the
* given name already exists it will be overwritten, otherwise it will be
* created after the existing chunks.
*
* \warning This will update the file immediately.
*/
void setChunkData(const ByteVector &name, const ByteVector &data);
private:
File(const File &);
File &operator=(const File &);
void read();
void writeChunk(const ByteVector &name, const ByteVector &data,
ulong offset, ulong replace = 0,
uint leadingPadding = 0);
class FilePrivate;
FilePrivate *d;
};
}
}
#endif
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