public string Preprocess(string musicString, StaccatoParserContext context)
{
var retVal = new StringBuilder();
var splitsville = musicString.Split(' ');
foreach (string s in splitsville)
{
int posColon = 0;
if ((posColon = s.IndexOf(':')) != -1 && (posColon > 0))
{
string candidateChord = s.Substring(0, posColon);
// We don't want to think we have a chord when we really have a key signature or time signature, or
// we have a tuplet (indicated by the asterisk)
if (Chord.IsValid(candidateChord))
{
Chord chord = new Chord(candidateChord);
// Get the replacement description
int posColon2 = s.FindNextOrEnd(':', posColon + 1);
string replacementDescription = s.Substring(posColon + 1, posColon2 - posColon - 1);
string dynamics = (posColon2 == s.Length ? "" : s.Substring(posColon2 + 1, s.Length - posColon2 - 1));
// If the replacement description starts with a bracket, look up the value in the context's dictionary
if (replacementDescription[0] == '[')
{
var replacementLookup = replacementDescription.Substring(1, replacementDescription.Length - 2);
replacementDescription = context.Dictionary[replacementLookup] as string;
}
var specialReplacers = new Dictionary <string, IPatternProducer>
{
["ROOT"] = chord.Root,
["BASS"] = chord.GetBassNote(),
["NOTROOT"] = WrapInParens(chord.GetPatternWithNotesExceptRoot())
};
specialReplacers["NOTBASS"] = WrapInParens(chord.GetPatternWithNotesExceptBass());
var result = ReplacementFormatUtil.ReplaceDollarsWithCandidates(
replacementDescription,
chord.GetNotes(),
WrapInParens(chord.GetPatternWithNotes()),
specialReplacers,
",",
" ",
dynamics
);
retVal.Append(result);
}
else
{
retVal.Append(s);
}
}
else
{
retVal.Append(s);
}
retVal.Append(" ");
}
return(retVal.ToString().Trim());
}
