void FrameFactory::rebuildAggregateFrames(ID3v2::Tag *tag) const
{
if(tag->header()->majorVersion() < 4 &&
tag->frameList("TDRC").size() == 1 &&
tag->frameList("TDAT").size() == 1)
{
TextIdentificationFrame *tdrc =
static_cast<TextIdentificationFrame *>(tag->frameList("TDRC").front());
UnknownFrame *tdat = static_cast<UnknownFrame *>(tag->frameList("TDAT").front());
if(tdrc->fieldList().size() == 1 &&
tdrc->fieldList().front().size() == 4 &&
tdat->data().size() >= 5)
{
String date(tdat->data().mid(1), String::Type(tdat->data()[0]));
if(date.length() == 4) {
tdrc->setText(tdrc->toString() + '-' + date.substr(2, 2) + '-' + date.substr(0, 2));
if(tag->frameList("TIME").size() == 1) {
UnknownFrame *timeframe = static_cast<UnknownFrame *>(tag->frameList("TIME").front());
if(timeframe->data().size() >= 5) {
String time(timeframe->data().mid(1), String::Type(timeframe->data()[0]));
if(time.length() == 4) {
tdrc->setText(tdrc->toString() + 'T' + time.substr(0, 2) + ':' + time.substr(2, 2));
}
}
}
}
}
}
}
TextIdentificationFrame *TextIdentificationFrame::createTIPLFrame(const PropertyMap &properties) // static
{
TextIdentificationFrame *frame = new TextIdentificationFrame("TIPL");
StringList l;
for(PropertyMap::ConstIterator it = properties.begin(); it != properties.end(); ++it){
l.append(it->first);
l.append(it->second.toString(",")); // comma-separated list of names
}
frame->setText(l);
return frame;
}
TextIdentificationFrame *TextIdentificationFrame::createTMCLFrame(const PropertyMap &properties) // static
{
TextIdentificationFrame *frame = new TextIdentificationFrame("TMCL");
StringList l;
for(PropertyMap::ConstIterator it = properties.begin(); it != properties.end(); ++it){
if(!it->first.startsWith(instrumentPrefix)) // should not happen
continue;
l.append(it->first.substr(instrumentPrefix.size()));
l.append(it->second.toString(","));
}
frame->setText(l);
return frame;
}
void ID3v2::Tag::setTextFrame(const ByteVector &id, const String &value)
{
if(value.isEmpty()) {
removeFrames(id);
return;
}
if(!d->frameListMap[id].isEmpty())
d->frameListMap[id].front()->setText(value);
else {
const String::Type encoding = d->factory->defaultTextEncoding();
TextIdentificationFrame *f = new TextIdentificationFrame(id, encoding);
addFrame(f);
f->setText(value);
}
}
Frame *Frame::createTextualFrame(const String &key, const StringList &values) //static
{
// check if the key is contained in the key<=>frameID mapping
ByteVector frameID = keyToFrameID(key);
if(!frameID.isNull()) {
if(frameID[0] == 'T'){ // text frame
TextIdentificationFrame *frame = new TextIdentificationFrame(frameID, String::UTF8);
frame->setText(values);
return frame;
} else if((frameID[0] == 'W') && (values.size() == 1)){ // URL frame (not WXXX); support only one value
UrlLinkFrame* frame = new UrlLinkFrame(frameID);
frame->setUrl(values.front());
return frame;
}
}
if(key == "MUSICBRAINZ_TRACKID" && values.size() == 1) {
UniqueFileIdentifierFrame *frame = new UniqueFileIdentifierFrame("http://musicbrainz.org", values.front().data(String::UTF8));
return frame;
}
// now we check if it's one of the "special" cases:
// -LYRICS: depending on the number of values, use USLT or TXXX (with description=LYRICS)
if((key == "LYRICS" || key.startsWith(lyricsPrefix)) && values.size() == 1){
UnsynchronizedLyricsFrame *frame = new UnsynchronizedLyricsFrame(String::UTF8);
frame->setDescription(key == "LYRICS" ? key : key.substr(lyricsPrefix.size()));
frame->setText(values.front());
return frame;
}
// -URL: depending on the number of values, use WXXX or TXXX (with description=URL)
if((key == "URL" || key.startsWith(urlPrefix)) && values.size() == 1){
UserUrlLinkFrame *frame = new UserUrlLinkFrame(String::UTF8);
frame->setDescription(key == "URL" ? key : key.substr(urlPrefix.size()));
frame->setUrl(values.front());
return frame;
}
// -COMMENT: depending on the number of values, use COMM or TXXX (with description=COMMENT)
if((key == "COMMENT" || key.startsWith(commentPrefix)) && values.size() == 1){
CommentsFrame *frame = new CommentsFrame(String::UTF8);
if (key != "COMMENT"){
frame->setDescription(key.substr(commentPrefix.size()));
}
frame->setText(values.front());
return frame;
}
// if non of the above cases apply, we use a TXXX frame with the key as description
return new UserTextIdentificationFrame(keyToTXXX(key), values, String::UTF8);
}
