tagunion.h
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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_TAGUNION_H
#define TAGLIB_TAGUNION_H
#include "tag.h"
#ifndef DO_NOT_DOCUMENT
namespace TagLib {
class TagUnion : public Tag
{
public:
enum AccessType { Read, Write };
TagUnion(Tag *first = nullptr, Tag *second = nullptr, Tag *third = nullptr);
~TagUnion() override;
TagUnion(const TagUnion &) = delete;
TagUnion &operator=(const TagUnion &) = delete;
Tag *operator[](int index) const;
Tag *tag(int index) const;
void set(int index, Tag *tag);
PropertyMap properties() const override;
void removeUnsupportedProperties(const StringList &unsupported) override;
StringList complexPropertyKeys() const override;
List<VariantMap> complexProperties(const String &key) const override;
bool setComplexProperties(const String &key, const List<VariantMap> &value) override;
String title() const override;
String artist() const override;
String album() const override;
String comment() const override;
String genre() const override;
unsigned int year() const override;
unsigned int track() const override;
void setTitle(const String &s) override;
void setArtist(const String &s) override;
void setAlbum(const String &s) override;
void setComment(const String &s) override;
void setGenre(const String &s) override;
void setYear(unsigned int i) override;
void setTrack(unsigned int i) override;
bool isEmpty() const override;
template <class T> T *access(int index, bool create)
{
if(!create || tag(index))
return static_cast<T *>(tag(index));
set(index, new T);
return static_cast<T *>(tag(index));
}
template <class T, class F> T *access(int index, bool create, const F *factory)
{
if(!create || tag(index))
return static_cast<T *>(tag(index));
set(index, new T(nullptr, 0, factory));
return static_cast<T *>(tag(index));
}
private:
TagUnion(const Tag &);
TagUnion &operator=(const Tag &);
class TagUnionPrivate;
std::unique_ptr<TagUnionPrivate> d;
};
} // namespace TagLib
#endif
#endif
TagLib::Tag
A simple, generic interface to common audio metadata fields.
Definition tag.h:49
TagLib::ID3v1::genre
String TAGLIB_EXPORT genre(int index)
TagLib
A namespace for all TagLib related classes and functions.
Definition apefile.h:41
tag.h