public string ReadUnicode(int length)
{
ByteVector data = ReadBlock(length);
string output = data.ToString(StringType.UTF16LE);
int i = output.IndexOf('\0');
return((i >= 0) ? output.Substring(0, i) : output);
}
public virtual string Parse(ByteVector data)
{
if (data != null)
{
string output = data.ToString(StringType.Latin1).Trim();
int i = output.IndexOf('\0');
return((i >= 0) ? output.Substring(0, i) : output);
}
else
{
throw new ArgumentNullException("data");
}
}
private static bool UpdateFrame(Id3v2FrameHeader header)
{
ByteVector frameId = header.FrameId;
switch (header.Version)
{
case 2: // ID3v2.2
{
if (frameId == "CRM" ||
frameId == "EQU" ||
frameId == "LNK" ||
frameId == "RVA" ||
frameId == "TIM" ||
frameId == "TSI")
{
TagLibDebugger.Debug("ID3v2.4 no longer supports the frame type "
+ frameId.ToString() + ". It will be discarded from the tag.");
return(false);
}
// ID3v2.2 only used 3 buffer for the frame ID, so we need to convert all of
// the frames to their 4 byte ID3v2.4 equivalent.
ConvertFrame("BUF", "RBUF", header);
ConvertFrame("CNT", "PCNT", header);
ConvertFrame("COM", "COMM", header);
ConvertFrame("CRA", "AENC", header);
ConvertFrame("ETC", "ETCO", header);
ConvertFrame("GEO", "GEOB", header);
ConvertFrame("IPL", "TIPL", header);
ConvertFrame("MCI", "MCDI", header);
ConvertFrame("MLL", "MLLT", header);
ConvertFrame("PIC", "APIC", header);
ConvertFrame("POP", "POPM", header);
ConvertFrame("REV", "RVRB", header);
ConvertFrame("SLT", "SYLT", header);
ConvertFrame("STC", "SYTC", header);
ConvertFrame("TAL", "TALB", header);
ConvertFrame("TBP", "TBPM", header);
ConvertFrame("TCM", "TCOM", header);
ConvertFrame("TCO", "TCON", header);
ConvertFrame("TCR", "TCOP", header);
ConvertFrame("TDA", "TDRC", header);
ConvertFrame("TDY", "TDLY", header);
ConvertFrame("TEN", "TENC", header);
ConvertFrame("TFT", "TFLT", header);
ConvertFrame("TKE", "TKEY", header);
ConvertFrame("TLA", "TLAN", header);
ConvertFrame("TLE", "TLEN", header);
ConvertFrame("TMT", "TMED", header);
ConvertFrame("TOA", "TOAL", header);
ConvertFrame("TOF", "TOFN", header);
ConvertFrame("TOL", "TOLY", header);
ConvertFrame("TOR", "TDOR", header);
ConvertFrame("TOT", "TOAL", header);
ConvertFrame("TP1", "TPE1", header);
ConvertFrame("TP2", "TPE2", header);
ConvertFrame("TP3", "TPE3", header);
ConvertFrame("TP4", "TPE4", header);
ConvertFrame("TPA", "TPOS", header);
ConvertFrame("TPB", "TPUB", header);
ConvertFrame("TRC", "TSRC", header);
ConvertFrame("TRD", "TDRC", header);
ConvertFrame("TRK", "TRCK", header);
ConvertFrame("TSS", "TSSE", header);
ConvertFrame("TT1", "TIT1", header);
ConvertFrame("TT2", "TIT2", header);
ConvertFrame("TT3", "TIT3", header);
ConvertFrame("TXT", "TOLY", header);
ConvertFrame("TXX", "TXXX", header);
ConvertFrame("TYE", "TDRC", header);
ConvertFrame("UFI", "UFID", header);
ConvertFrame("ULT", "USLT", header);
ConvertFrame("WAF", "WOAF", header);
ConvertFrame("WAR", "WOAR", header);
ConvertFrame("WAS", "WOAS", header);
ConvertFrame("WCM", "WCOM", header);
ConvertFrame("WCP", "WCOP", header);
ConvertFrame("WPB", "WPUB", header);
ConvertFrame("WXX", "WXXX", header);
}
break;
case 3: // ID3v2.3
{
if (frameId == "EQUA" ||
frameId == "RVAD" ||
frameId == "TIME" ||
frameId == "TRDA" ||
frameId == "TSIZ" ||
frameId == "TDAT")
{
TagLibDebugger.Debug("ID3v2.4 no longer supports the frame type "
+ frameId.ToString() + ". It will be discarded from the tag.");
return(false);
}
ConvertFrame("TORY", "TDOR", header);
ConvertFrame("TYER", "TDRC", header);
}
break;
default:
{
// This should catch a typo that existed in TagLib up to and including
// version 1.1 where TRDC was used for the year rather than TDRC.
ConvertFrame("TRDC", "TDRC", header);
}
break;
}
return(true);
}
