private Staff ReadTokens(Staff staff, string content)
{
string[] splitContent = content.Split(' ');
string lastPitch = "";
for (int i = 0; i < splitContent.Length; i++)
{
string s = splitContent[i];
switch (s)
{
case "\\relative":
i++;
string relative = splitContent[i];
relativeOctave = 3 + relative.Count(x => x == '\'') - relative.Count(x => x == ',');
staff.SetRelativeOctave(relativeOctave);
lastPitch = relative[0].ToString();
break;
case "\\clef":
i++;
staff.SetClef(splitContent[i]);
break;
case "\\time":
i++;
string time = splitContent[i];
var times = time.Split('/');
staff.SetBar((int)UInt32.Parse(times[0]), (int)UInt32.Parse(times[1]));
break;
case "\\tempo":
i++;
string tempoText = splitContent[i];
var tempo = tempoText.Split('=');
staff.SetTempo((int)UInt32.Parse(tempo[1]));
break;
case "|":
staff.AddBar();
break;
default:
if (s.Length != 0)
{
NoteRestFactory factory = NoteRestFactory.getFactory(s[0]);
if (factory != null)
{
int length;
int dots;
getInfo(s, ref lastPitch, out length, out dots);
staff.AddNote(factory.create(lastPitch, relativeOctave + 1, length, dots));
}
}
break;
}
}
return(staff);
}
private void HandleChannel(Staff staff)
{
var channelMessage = midiMessage as ChannelMessage;
if (channelMessage.Command == ChannelCommand.NoteOn)
{
NoteRestFactory factory = null;
string pitch = "";
int octave = 0;
int length = 0;
int dots = 0;
if (channelMessage.Data2 > 0) // Data2 = loudness
{
if (midiEvent.AbsoluteTicks != previousNoteAbsoluteTicks)
{
pitch = "r";
factory = NoteRestFactory.getFactory(pitch[0]);
length = GetNoteLength(midiEvent.AbsoluteTicks, out dots);
previousNoteAbsoluteTicks = midiEvent.AbsoluteTicks;
}
startedNoteIsClosed = false;
}
else if (!startedNoteIsClosed)
{
octave = channelMessage.Data1 / 12;
pitch = Enum.GetName(typeof(MIDInotes), channelMessage.Data1 % 12);
factory = NoteRestFactory.getFactory(pitch[0]);
length = GetNoteLength(midiEvent.AbsoluteTicks, out dots);
previousNoteAbsoluteTicks = midiEvent.AbsoluteTicks;
startedNoteIsClosed = true;
}
if (factory != null)
{
staff.AddNote(factory.create(pitch, octave, length, dots));
}
}
}
public static NoteRestFactory getFactory(char type)
{
NoteRestFactory factory = null;
switch (type)
{
case 'r':
factory = REST_FACTORY;
break;
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
case 'g':
factory = NOTE_FACTORY;
break;
}
return(factory);
}
