summaryrefslogtreecommitdiff
path: root/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp')
-rw-r--r--libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp178
1 files changed, 178 insertions, 0 deletions
diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp
new file mode 100644
index 0000000000..2df176bde0
--- /dev/null
+++ b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp
@@ -0,0 +1,178 @@
+/***************************************************************************
+ 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/ *
+ ***************************************************************************/
+
+#include <tbytevectorlist.h>
+#include <id3v2tag.h>
+#include <tdebug.h>
+#include <tstringlist.h>
+
+#include "commentsframe.h"
+
+using namespace TagLib;
+using namespace ID3v2;
+
+class CommentsFrame::CommentsFramePrivate
+{
+public:
+ CommentsFramePrivate() : textEncoding(String::Latin1) {}
+ String::Type textEncoding;
+ ByteVector language;
+ String description;
+ String text;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+CommentsFrame::CommentsFrame(String::Type encoding) : Frame("COMM")
+{
+ d = new CommentsFramePrivate;
+ d->textEncoding = encoding;
+}
+
+CommentsFrame::CommentsFrame(const ByteVector &data) : Frame(data)
+{
+ d = new CommentsFramePrivate;
+ setData(data);
+}
+
+CommentsFrame::~CommentsFrame()
+{
+ delete d;
+}
+
+String CommentsFrame::toString() const
+{
+ return d->text;
+}
+
+ByteVector CommentsFrame::language() const
+{
+ return d->language;
+}
+
+String CommentsFrame::description() const
+{
+ return d->description;
+}
+
+String CommentsFrame::text() const
+{
+ return d->text;
+}
+
+void CommentsFrame::setLanguage(const ByteVector &languageEncoding)
+{
+ d->language = languageEncoding.mid(0, 3);
+}
+
+void CommentsFrame::setDescription(const String &s)
+{
+ d->description = s;
+}
+
+void CommentsFrame::setText(const String &s)
+{
+ d->text = s;
+}
+
+String::Type CommentsFrame::textEncoding() const
+{
+ return d->textEncoding;
+}
+
+void CommentsFrame::setTextEncoding(String::Type encoding)
+{
+ d->textEncoding = encoding;
+}
+
+CommentsFrame *CommentsFrame::findByDescription(const ID3v2::Tag *tag, const String &d) // static
+{
+ ID3v2::FrameList comments = tag->frameList("COMM");
+
+ for(ID3v2::FrameList::ConstIterator it = comments.begin();
+ it != comments.end();
+ ++it)
+ {
+ CommentsFrame *frame = dynamic_cast<CommentsFrame *>(*it);
+ if(frame && frame->description() == d)
+ return frame;
+ }
+
+ return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// protected members
+////////////////////////////////////////////////////////////////////////////////
+
+void CommentsFrame::parseFields(const ByteVector &data)
+{
+ if(data.size() < 5) {
+ debug("A comment frame must contain at least 5 bytes.");
+ return;
+ }
+
+ d->textEncoding = String::Type(data[0]);
+ d->language = data.mid(1, 3);
+
+ int byteAlign = d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8 ? 1 : 2;
+
+ ByteVectorList l = ByteVectorList::split(data.mid(4), textDelimiter(d->textEncoding), byteAlign, 2);
+
+ if(l.size() == 2) {
+ d->description = String(l.front(), d->textEncoding);
+ d->text = String(l.back(), d->textEncoding);
+ }
+}
+
+ByteVector CommentsFrame::renderFields() const
+{
+ ByteVector v;
+
+ String::Type encoding = d->textEncoding;
+
+ encoding = checkEncoding(d->description, encoding);
+ encoding = checkEncoding(d->text, encoding);
+
+ v.append(char(encoding));
+ v.append(d->language.size() == 3 ? d->language : "XXX");
+ v.append(d->description.data(encoding));
+ v.append(textDelimiter(encoding));
+ v.append(d->text.data(encoding));
+
+ return v;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// private members
+////////////////////////////////////////////////////////////////////////////////
+
+CommentsFrame::CommentsFrame(const ByteVector &data, Header *h) : Frame(h)
+{
+ d = new CommentsFramePrivate();
+ parseFields(fieldData(data));
+}