merge Sakari's (sbergen) branch back into 3.0, removing libsndfile and adding taglib

git-svn-id: svn://localhost/ardour2/branches/3.0@3736 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 95 insertions, 0 deletions

diff --git a/libs/taglib/taglib/tagunion.h b/libs/taglib/taglib/tagunion.h
new file mode 100644
index 0000000000..76d407ce32
--- /dev/null
+++ b/libs/taglib/taglib/tagunion.h
@@ -0,0 +1,95 @@
+/***************************************************************************
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+ *   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 {
+
+  /*!
+   * \internal
+   */
+
+  class TagUnion : public Tag
+  {
+  public:
+
+    enum AccessType { Read, Write };
+
+    /*!
+     * Creates a TagLib::Tag that is the union of \a first, \a second, and
+     * \a third.  The TagUnion takes ownership of these tags and will handle
+     * their deletion.
+     */
+    TagUnion(Tag *first = 0, Tag *second = 0, Tag *third = 0);
+
+    virtual ~TagUnion();
+
+    Tag *operator[](int index) const;
+    Tag *tag(int index) const;
+
+    void set(int index, Tag *tag);
+
+    virtual String title() const;
+    virtual String artist() const;
+    virtual String album() const;
+    virtual String comment() const;
+    virtual String genre() const;
+    virtual uint year() const;
+    virtual uint track() const;
+
+    virtual void setTitle(const String &s);
+    virtual void setArtist(const String &s);
+    virtual void setAlbum(const String &s);
+    virtual void setComment(const String &s);
+    virtual void setGenre(const String &s);
+    virtual void setYear(uint i);
+    virtual void setTrack(uint i);
+    virtual bool isEmpty() const;
+
+    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));
+    }
+
+  private:
+    TagUnion(const Tag &);
+    TagUnion &operator=(const Tag &);
+
+    class TagUnionPrivate;
+    TagUnionPrivate *d;
+  };
+}
+
+#endif
+#endif