public void LoadFromString(string cueString)
{
TextReader tr = new StringReader(cueString);
bool track_has_pregap = false;
bool track_has_postgap = false;
int last_index_num = -1;
CueFile currFile = null;
CueTrack currTrack = null;
for (; ; )
{
string line = tr.ReadLine();
if (line == null) break;
line = line.Trim();
if (line == "") continue;
var clp = new CueLineParser(line);
string key = clp.ReadToken().ToUpper();
switch (key)
{
case "REM":
break;
case "FILE":
{
currTrack = null;
currFile = new CueFile();
Files.Add(currFile);
currFile.Path = clp.ReadPath().Trim('"');
if (!clp.EOF)
{
string temp = clp.ReadToken().ToUpper();
switch (temp)
{
case "BINARY":
currFile.FileType = CueFileType.Binary;
break;
case "WAVE":
case "MP3":
currFile.FileType = CueFileType.Wave;
break;
}
currFile.StrFileType = temp;
}
break;
}
case "TRACK":
{
if (currFile == null) throw new CueBrokenException("invalid cue structure");
if (clp.EOF) throw new CueBrokenException("invalid cue structure");
string strtracknum = clp.ReadToken();
int tracknum;
if (!int.TryParse(strtracknum, out tracknum))
throw new CueBrokenException("malformed track number");
if (clp.EOF) throw new CueBrokenException("invalid cue structure");
if (tracknum < 0 || tracknum > 99) throw new CueBrokenException("`All track numbers must be between 1 and 99 inclusive.`");
string strtracktype = clp.ReadToken().ToUpper();
currTrack = new CueTrack();
switch (strtracktype)
{
case "MODE1/2352": currTrack.TrackType = ETrackType.Mode1_2352; break;
case "MODE1/2048": currTrack.TrackType = ETrackType.Mode1_2048; break;
case "MODE2/2352": currTrack.TrackType = ETrackType.Mode2_2352; break;
case "AUDIO": currTrack.TrackType = ETrackType.Audio; break;
default:
throw new CueBrokenException("unhandled track type");
}
currTrack.TrackNum = tracknum;
currFile.Tracks.Add(currTrack);
track_has_pregap = false;
track_has_postgap = false;
last_index_num = -1;
break;
}
case "INDEX":
{
if (currTrack == null) throw new CueBrokenException("invalid cue structure");
if (clp.EOF) throw new CueBrokenException("invalid cue structure");
if (track_has_postgap) throw new CueBrokenException("`The POSTGAP command must appear after all INDEX commands for the current track.`");
string strindexnum = clp.ReadToken();
int indexnum;
if (!int.TryParse(strindexnum, out indexnum))
throw new CueBrokenException("malformed index number");
if (clp.EOF) throw new CueBrokenException("invalid cue structure (missing index timestamp)");
string str_timestamp = clp.ReadToken();
if (indexnum < 0 || indexnum > 99) throw new CueBrokenException("`All index numbers must be between 0 and 99 inclusive.`");
if (indexnum != 1 && indexnum != last_index_num + 1) throw new CueBrokenException("`The first index must be 0 or 1 with all other indexes being sequential to the first one.`");
last_index_num = indexnum;
CueTrackIndex cti = new CueTrackIndex(indexnum)
{
Timestamp = new Timestamp(str_timestamp), IndexNum = indexnum
};
currTrack.Indexes[indexnum] = cti;
break;
}
case "PREGAP":
if (track_has_pregap) throw new CueBrokenException("`Only one PREGAP command is allowed per track.`");
if (currTrack.Indexes.Count > 0) throw new CueBrokenException("`The PREGAP command must appear after a TRACK command, but before any INDEX commands.`");
currTrack.PreGap = new Timestamp(clp.ReadToken());
track_has_pregap = true;
break;
case "POSTGAP":
if (track_has_postgap) throw new CueBrokenException("`Only one POSTGAP command is allowed per track.`");
track_has_postgap = true;
currTrack.PostGap = new Timestamp(clp.ReadToken());
break;
case "CATALOG":
case "PERFORMER":
case "SONGWRITER":
case "TITLE":
case "ISRC":
//TODO - keep these for later?
break;
default:
throw new CueBrokenException("unsupported cue command: " + key);
}
} //end cue parsing loop
}
public void LoadFromString(string cueString)
{
TextReader tr = new StringReader(cueString);
bool track_has_pregap = false;
bool track_has_postgap = false;
int last_index_num = -1;
CueFile currFile = null;
CueTrack currTrack = null;
for (; ;)
{
string line = tr.ReadLine();
if (line == null)
{
break;
}
line = line.Trim();
if (line == "")
{
continue;
}
var clp = new CueLineParser(line);
string key = clp.ReadToken().ToUpper();
switch (key)
{
case "REM":
break;
case "FILE":
{
currTrack = null;
currFile = new CueFile();
Files.Add(currFile);
currFile.Path = clp.ReadPath().Trim('"');
if (!clp.EOF)
{
string temp = clp.ReadToken().ToUpper();
switch (temp)
{
case "BINARY":
currFile.FileType = CueFileType.Binary;
break;
case "WAVE":
case "MP3":
currFile.FileType = CueFileType.Wave;
break;
}
currFile.StrFileType = temp;
}
break;
}
case "TRACK":
{
if (currFile == null)
{
throw new CueBrokenException("invalid cue structure");
}
if (clp.EOF)
{
throw new CueBrokenException("invalid cue structure");
}
string strtracknum = clp.ReadToken();
int tracknum;
if (!int.TryParse(strtracknum, out tracknum))
{
throw new CueBrokenException("malformed track number");
}
if (clp.EOF)
{
throw new CueBrokenException("invalid cue structure");
}
if (tracknum < 0 || tracknum > 99)
{
throw new CueBrokenException("`All track numbers must be between 1 and 99 inclusive.`");
}
string strtracktype = clp.ReadToken().ToUpper();
currTrack = new CueTrack();
switch (strtracktype)
{
case "MODE1/2352": currTrack.TrackType = ETrackType.Mode1_2352; break;
case "MODE1/2048": currTrack.TrackType = ETrackType.Mode1_2048; break;
case "MODE2/2352": currTrack.TrackType = ETrackType.Mode2_2352; break;
case "AUDIO": currTrack.TrackType = ETrackType.Audio; break;
default:
throw new CueBrokenException("unhandled track type");
}
currTrack.TrackNum = tracknum;
currFile.Tracks.Add(currTrack);
track_has_pregap = false;
track_has_postgap = false;
last_index_num = -1;
break;
}
case "INDEX":
{
if (currTrack == null)
{
throw new CueBrokenException("invalid cue structure");
}
if (clp.EOF)
{
throw new CueBrokenException("invalid cue structure");
}
if (track_has_postgap)
{
throw new CueBrokenException("`The POSTGAP command must appear after all INDEX commands for the current track.`");
}
string strindexnum = clp.ReadToken();
int indexnum;
if (!int.TryParse(strindexnum, out indexnum))
{
throw new CueBrokenException("malformed index number");
}
if (clp.EOF)
{
throw new CueBrokenException("invalid cue structure (missing index timestamp)");
}
string str_timestamp = clp.ReadToken();
if (indexnum < 0 || indexnum > 99)
{
throw new CueBrokenException("`All index numbers must be between 0 and 99 inclusive.`");
}
if (indexnum != 1 && indexnum != last_index_num + 1)
{
throw new CueBrokenException("`The first index must be 0 or 1 with all other indexes being sequential to the first one.`");
}
last_index_num = indexnum;
CueTrackIndex cti = new CueTrackIndex(indexnum)
{
Timestamp = new Timestamp(str_timestamp), IndexNum = indexnum
};
currTrack.Indexes[indexnum] = cti;
break;
}
case "PREGAP":
if (track_has_pregap)
{
throw new CueBrokenException("`Only one PREGAP command is allowed per track.`");
}
if (currTrack.Indexes.Count > 0)
{
throw new CueBrokenException("`The PREGAP command must appear after a TRACK command, but before any INDEX commands.`");
}
currTrack.PreGap = new Timestamp(clp.ReadToken());
track_has_pregap = true;
break;
case "POSTGAP":
if (track_has_postgap)
{
throw new CueBrokenException("`Only one POSTGAP command is allowed per track.`");
}
track_has_postgap = true;
currTrack.PostGap = new Timestamp(clp.ReadToken());
break;
case "CATALOG":
case "PERFORMER":
case "SONGWRITER":
case "TITLE":
case "ISRC":
//TODO - keep these for later?
break;
default:
throw new CueBrokenException("unsupported cue command: " + key);
}
} //end cue parsing loop
}
