matroskaelement.h
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/***************************************************************************
* 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_MATROSKAELEMENT_H
#define TAGLIB_MATROSKAELEMENT_H
#ifndef DO_NOT_DOCUMENT
#include <memory>
#include "taglib_export.h"
#include "taglib.h"
#include "tlist.h"
namespace TagLib {
class File;
class ByteVector;
namespace Matroska {
class TAGLIB_EXPORT Element
{
public:
using ID = unsigned int;
explicit Element(ID id);
virtual ~Element();
offset_t size() const;
offset_t offset() const;
ID id() const;
void setOffset(offset_t offset);
void adjustOffset(offset_t delta);
void setSize(offset_t size);
void setID(ID id);
virtual bool render();
void setNeedsRender(bool needsRender);
bool needsRender() const;
void setData(const ByteVector &data);
const ByteVector &data() const;
virtual void write(TagLib::File &file);
void addSizeListener(Element *element);
void addSizeListeners(const List<Element *> &elements);
bool emitSizeChanged(offset_t delta);
virtual bool sizeChanged(Element &caller, offset_t delta);
protected:
offset_t sizeRenderedOrWritten() const;
private:
virtual ByteVector renderInternal() = 0;
class ElementPrivate;
TAGLIB_MSVC_SUPPRESS_WARNING_NEEDS_TO_HAVE_DLL_INTERFACE
std::unique_ptr<ElementPrivate> e;
};
}
}
#endif
#endif
TagLib::ByteVector
A byte vector.
Definition tbytevector.h:46
TagLib::File
A file class with some useful methods for tag manipulation.
Definition tfile.h:51
TagLib::Matroska
An implementation of Matroska metadata.
Definition matroskaattachedfile.h:32
TagLib
A namespace for all TagLib related classes and functions.
Definition apefile.h:41
TagLib::offset_t
off_t offset_t
Definition taglib.h:64
taglib.h
taglib_export.h
TAGLIB_EXPORT
#define TAGLIB_EXPORT
Definition taglib_export.h:40
TAGLIB_MSVC_SUPPRESS_WARNING_NEEDS_TO_HAVE_DLL_INTERFACE
#define TAGLIB_MSVC_SUPPRESS_WARNING_NEEDS_TO_HAVE_DLL_INTERFACE
Definition taglib_export.h:55
tlist.h