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/***************************************************************************
copyright : (C) 2004 by Allan Sandfeld Jensen
email : kde@carewolf.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_APEFOOTER_H
#define TAGLIB_APEFOOTER_H
#include "tbytevector.h"
#include "taglib_export.h"
namespace TagLib {
namespace APE {
//! An implementation of APE footers
/*!
* This class implements APE footers (and headers). It attempts to follow, both
* semantically and programatically, the structure specified in
* the APE v2.0 standard. The API is based on the properties of APE footer and
* headers specified there.
*/
class TAGLIB_EXPORT Footer
{
public:
/*!
* Constructs an empty APE footer.
*/
Footer();
/*!
* Constructs an APE footer based on \a data. parse() is called
* immediately.
*/
Footer(const ByteVector &data);
/*!
* Destroys the footer.
*/
virtual ~Footer();
/*!
* Returns the version number. (Note: This is the 1000 or 2000.)
*/
uint version() const;
/*!
* Returns true if a header is present in the tag.
*/
bool headerPresent() const;
/*!
* Returns true if a footer is present in the tag.
*/
bool footerPresent() const;
/*!
* Returns true this is actually the header.
*/
bool isHeader() const;
/*!
* Sets whether the header should be rendered or not
*/
void setHeaderPresent(bool b) const;
/*!
* Returns the number of items in the tag.
*/
uint itemCount() const;
/*!
* Set the item count to \a s.
* \see itemCount()
*/
void setItemCount(uint s);
/*!
* Returns the tag size in bytes. This is the size of the frame content and footer.
* The size of the \e entire tag will be this plus the header size, if present.
*
* \see completeTagSize()
*/
uint tagSize() const;
/*!
* Returns the tag size, including if present, the header
* size.
*
* \see tagSize()
*/
uint completeTagSize() const;
/*!
* Set the tag size to \a s.
* \see tagSize()
*/
void setTagSize(uint s);
/*!
* Returns the size of the footer. Presently this is always 32 bytes.
*/
static uint size();
/*!
* Returns the string used to identify an APE tag inside of a file.
* Presently this is always "APETAGEX".
*/
static ByteVector fileIdentifier();
/*!
* Sets the data that will be used as the footer. 32 bytes,
* starting from \a data will be used.
*/
void setData(const ByteVector &data);
/*!
* Renders the footer back to binary format.
*/
ByteVector renderFooter() const;
/*!
* Renders the header corresponding to the footer. If headerPresent is
* set to false, it returns an empty ByteVector.
*/
ByteVector renderHeader() const;
protected:
/*!
* Called by setData() to parse the footer data. It makes this information
* available through the public API.
*/
void parse(const ByteVector &data);
/*!
* Called by renderFooter and renderHeader
*/
ByteVector render(bool isHeader) const;
private:
Footer(const Footer &);
Footer &operator=(const Footer &);
class FooterPrivate;
FooterPrivate *d;
};
}
}
#endif