bool ParseFramesV2(ID3v2Reader reader)
{
while (reader.State == ID3v2ReaderState.ReadFrames)
{
if (!reader.ReadFrame(out var frame))
{
return(false);
}
if (frame == null)
{
continue;
}
switch (frame.ID)
{
case "COM": /* TODO */ break;
case "TT2": /* TODO */ break;
case "TP1": /* TODO */ break;
case "TRK": /* TODO */ break;
case "TEN": /* TODO */ break;
case "TCO": /* TODO */ break;
default: // TODO IMPLEMENT ME
break;
}
frames.Add(frame);
}
return(true);
}
/// <summary>
/// Parses the specified buffer starting at index to load all data for this frame
/// This function will throw exceptions on parser errors.
/// </summary>
/// <param name="frameReader">FrameReader to read from.</param>
public override bool Parse(DataFrameReader frameReader)
{
var reader = new ID3v2Reader(frameReader);
// read header
Header = reader.ReadHeader(out data);
if (Header == null)
{
return(false);
}
// read extended header (may be null)
if (!reader.ReadExtendedHeader(out extendedHeader))
{
return(false);
}
// read frames
switch (Header.Version)
{
case 2: if (!ParseFramesV2(reader))
{
return(false);
}
break;
case 3:
case 4: if (!ParseFrames(reader))
{
return(false);
}
break;
default: return(false);
}
// read footer
if (reader.State == ID3v2ReaderState.ReadFooter)
{
if (!reader.ReadFooter(out footer))
{
return(false);
}
}
return(true);
}
bool ParseFrames(ID3v2Reader reader)
{
while (reader.State == ID3v2ReaderState.ReadFrames)
{
if (!reader.ReadFrame(out var frame))
{
if (frames.Count > 0)
{
if (reader.Available > 0)
{
Trace.WriteLine(string.Format("Invalid frame in id3v2 tag, ignoring remaining data of {0} bytes.", reader.Available));
ParserError = true;
}
return(true);
}
return(false);
}
if (frame == null)
{
continue;
}
switch (frame.ID)
{
case "APIC": frame = new ID3v2APICFrame(frame); break;
case "COMM": frame = new ID3v2COMMFrame(frame); break;
case "ETCO": frame = new ID3v2ETCOFrame(frame); break;
case "GEOB": /*TODO*/ break;
case "IPLS": frame = new ID3v2IPLSFrame(frame); break;
case "MCDI": frame = new ID3v2MCDIFrame(frame); break;
case "MLLT": frame = new ID3v2MLLTFrame(frame); break;
case "NCON": /*TODO*/ break;
case "PCNT": frame = new ID3v2PCNTFrame(frame); break;
case "PRIV": frame = new ID3v2PRIVFrame(frame); break;
case "SYLT": frame = new ID3v2SYLTFrame(frame); break;
case "SYTC": frame = new ID3v2SYTCFrame(frame); break;
case "TXXX": frame = new ID3v2TXXXFrame(frame); break;
case "UFID": frame = new ID3v2UFIDFrame(frame); break;
case "USLT": frame = new ID3v2USLTFrame(frame); break;
case "WXXX": frame = new ID3v2WXXXFrame(frame); break;
case "XSLT": frame = new ID3v2XSLTFrame(frame); break;
default: // TODO IMPLEMENT ME
switch (frame.ID[0])
{
case 'W': frame = new ID3v2WebFrame(frame); break;
case 'T': frame = new ID3v2TextFrame(frame); break;
default: Trace.WriteLine(string.Format("Unknown ID3v2 frame type {0}", frame.ID)); break;
}
break;
}
frames.Add(frame);
}
return(true);
}