TagLib  1.13
tagunion.h
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1/***************************************************************************
2 copyright : (C) 2002 - 2008 by Scott Wheeler
3 email : wheeler@kde.org
4 ***************************************************************************/
5
6/***************************************************************************
7 * This library is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU Lesser General Public License version *
9 * 2.1 as published by the Free Software Foundation. *
10 * *
11 * This library is distributed in the hope that it will be useful, but *
12 * WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14 * Lesser General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU Lesser General Public *
17 * License along with this library; if not, write to the Free Software *
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
19 * 02110-1301 USA *
20 * *
21 * Alternatively, this file is available under the Mozilla Public *
22 * License Version 1.1. You may obtain a copy of the License at *
23 * http://www.mozilla.org/MPL/ *
24 ***************************************************************************/
25
26#ifndef TAGLIB_TAGUNION_H
27#define TAGLIB_TAGUNION_H
28
29#include "tag.h"
30
31#ifndef DO_NOT_DOCUMENT
32
33namespace TagLib {
34
39 class TagUnion : public Tag
40 {
41 public:
42
43 enum AccessType { Read, Write };
44
50 TagUnion(Tag *first = 0, Tag *second = 0, Tag *third = 0);
51
52 virtual ~TagUnion();
53
54 Tag *operator[](int index) const;
55 Tag *tag(int index) const;
56
57 void set(int index, Tag *tag);
58
59 PropertyMap properties() const;
60 void removeUnsupportedProperties(const StringList &unsupported);
61
62 virtual String title() const;
63 virtual String artist() const;
64 virtual String album() const;
65 virtual String comment() const;
66 virtual String genre() const;
67 virtual unsigned int year() const;
68 virtual unsigned int track() const;
69
70 virtual void setTitle(const String &s);
71 virtual void setArtist(const String &s);
72 virtual void setAlbum(const String &s);
73 virtual void setComment(const String &s);
74 virtual void setGenre(const String &s);
75 virtual void setYear(unsigned int i);
76 virtual void setTrack(unsigned int i);
77 virtual bool isEmpty() const;
78
79 template <class T> T *access(int index, bool create)
80 {
81 if(!create || tag(index))
82 return static_cast<T *>(tag(index));
83
84 set(index, new T);
85 return static_cast<T *>(tag(index));
86 }
87
88 private:
89 TagUnion(const Tag &);
90 TagUnion &operator=(const Tag &);
91
92 class TagUnionPrivate;
93 TagUnionPrivate *d;
94 };
95}
96
97#endif
98#endif
String TAGLIB_EXPORT genre(int index)
A namespace for all TagLib related classes and functions.
Definition: apefile.h:41