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fileref.cpp

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+/***************************************************************************
+    copyright            : (C) 2003 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                                                                   *
+ ***************************************************************************/
+
+#include <tfile.h>
+#include <tstring.h>
+
+#include "fileref.h"
+#include "mpegfile.h"
+#include "vorbisfile.h"
+#include "flacfile.h"
+
+using namespace TagLib;
+
+class FileRef::FileRefPrivate : public RefCounter
+{
+public:
+  FileRefPrivate(File *f) : RefCounter(), file(f) {}
+  ~FileRefPrivate() {
+    delete file;
+  }
+
+  File *file;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+FileRef::FileRef(const char *fileName, bool readAudioProperties,
+                 AudioProperties::ReadStyle audioPropertiesStyle)
+{
+  d = new FileRefPrivate(create(fileName, readAudioProperties, audioPropertiesStyle));
+}
+
+FileRef::FileRef(File *file)
+{
+  d = new FileRefPrivate(file);
+}
+
+FileRef::FileRef(const FileRef &ref) : d(ref.d)
+{
+  d->ref();
+}
+
+FileRef::~FileRef()
+{
+  if(d->deref())
+    delete d;
+}
+
+Tag *FileRef::tag() const
+{
+  return d->file->tag();
+}
+
+AudioProperties *FileRef::audioProperties() const
+{
+  return d->file->audioProperties();
+}
+
+File *FileRef::file() const
+{
+  return d->file;
+}
+
+void FileRef::save()
+{
+  d->file->save();
+}
+
+bool FileRef::isNull() const
+{
+  return !d->file || !d->file->isValid();
+}
+
+FileRef &FileRef::operator=(const FileRef &ref)
+{
+  if(&ref == this)
+    return *this;
+
+  if(d->deref())
+    delete d;
+
+  d = ref.d;
+
+  return *this;
+}
+
+bool FileRef::operator==(const FileRef &ref) const
+{
+  return ref.d->file == d->file;
+}
+
+bool FileRef::operator!=(const FileRef &ref) const
+{
+  return ref.d->file != d->file;
+}
+
+File *FileRef::create(const char *fileName, bool readAudioProperties,
+                      AudioProperties::ReadStyle audioPropertiesStyle) // static
+{
+  // Ok, this is really dumb for now, but it works for testing.
+
+  String s = fileName;
+
+  if(s.size() > 4) {
+    if(s.substr(s.size() - 4, 4).upper() == ".OGG")
+      return new Vorbis::File(fileName, readAudioProperties, audioPropertiesStyle);
+    if(s.substr(s.size() - 4, 4).upper() == ".MP3")
+      return new MPEG::File(fileName, readAudioProperties, audioPropertiesStyle);
+    if(s.substr(s.size() - 5, 5).upper() == ".FLAC")
+      return new FLAC::File(fileName, readAudioProperties, audioPropertiesStyle);
+  }
+
+  return 0;
+}