private CommandData ReadValue(TrackData Track, MmlFileReader m, CommandType Type)
{
var cmd = Track.AddCommand(Type);
cmd.Value = ReadNumber(m);
return(cmd);
}
/// <summary>
/// トラックコマンド読み出し
/// </summary>
private void ReadTrackText(string Name, MmlFileReader m)
{
var ct = SkipSpaceAndFetch(m);
var TrackData = Song.GetTrack(Name);
if (TrackData == null)
{
return;
}
bool Track = false;
bool Block = false;
// トラック
if (ct == MmlCharactorType.GeneralChanacter)
{
Track = true;
}
if (ct == MmlCharactorType.BlockStart)
{
Block = true; Track = true;
}
if (Track)
{
if (Block)
{
m.SkipType();
}
ReadCommandUntilNextTrack(TrackData, m, Block);
return;
}
Error.Add(ErrorData.Type.UnknownCharacterUsed);
}
// トラック
private void ReadTrack(MmlFileReader m)
{
List <string> TrackName = new List <string>();
while (true)
{
var Name = m.ReadName();
TrackName.Add(Name);
m.SkipIfSpace();
var ct = m.FetchType();
if (ct == MmlCharactorType.Separator)
{
m.SkipType();
continue;
}
break;
}
var TrackPos = m.GetPosition();
for (var i = 0; i < TrackName.Count; i++)
{
if (i > 0)
{
m.SetPosition(TrackPos);
}
var Name = TrackName[i];
VerboseWriteLine($"--- Track: {Name} ---");
ReadTrackText(Name, m);
}
}
// ブロック終了まで進める
private void SkipUntilBlockEnd(MmlFileReader m)
{
while (true)
{
m.SkipSkipable();
var ct = m.FetchType();
if (ct == MmlCharactorType.GeneralChanacter || ct == MmlCharactorType.Separator)
{
VerboseWriteLine($"{m.GetPosition()} {ct}");
m.SkipType();
continue;
}
if (ct == MmlCharactorType.Eof)
{
Error.Add(ErrorData.Type.BlockEndNotFound);
return;
}
if (ct == MmlCharactorType.BlockEnd)
{
m.SkipType();
m.StepNextLine();
return;
}
Error.Add(ErrorData.Type.UnknownCharacterUsed);
return;
}
}
private CommandData ReadName(TrackData Track, MmlFileReader m, CommandType Type)
{
var cmd = Track.AddCommand(Type);
var t = m.ReadName();
cmd.Text = t;
return(cmd);
}
// ヘッダ
private void ReadHeader(MmlFileReader m)
{
var Pos = m.GetPosition();
m.StepNextCharacter();
var Name = m.ReadName();
VerboseWriteLine($"--- Header: {Name} {Pos} ---");
List <string> Parameter = new List <string>();
bool SkipSeparator = false;
while (!m.IsEof())
{
var ct = SkipSpaceAndFetch(m);
if (m.IsLineEnd(ct))
{
break; // 改行は終了
}
if (SkipSeparator && m.IsSeparator(ct))
{
ct = m.ReadNextType();
}
if (m.IsSpace(ct))
{
ct = m.ReadNextType();
}
if (m.IsLineEnd(ct))
{
break; // 改行は終了
}
if (ct != MmlCharactorType.GeneralChanacter)
{
Error.Add(ErrorData.Type.UnknownCharacterUsed);
return;
}
string t;
if (m.IsQuote())
{
t = m.ReadQuote();
if (t == null)
{
Error.Add(ErrorData.Type.QuoteEndNotFound);
return;
}
}
else
{
t = m.ReadUntilNext();
}
SkipSeparator = true;
Parameter.Add(t);
}
Header.Set(Song, Name, Parameter);
}
private void Volume(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = ReadValue(Track, m, CommandType.Volume);
if (cmd.Value < 0 || Track.ChannelInfo.MaxVolume() < cmd.Value)
{
Error.Add(ErrorData.Type.VolumeIsWrong);
}
}
private void Rest(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = Track.AddCommand(CommandType.Rest);
Track.SetLastNote(cmd);
var Tick = ReadNoteLength(Track.DefaultTick, Song.MasterTick, m);
cmd.Tick = Tick;
}
private void Tone(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = ReadName(Track, m, CommandType.Tone);
var tp = Song.GetToneParameter(cmd.Text);
if (tp == null)
{
Error.Add(ErrorData.Type.ToneNameIsNotFound);
cmd.Text = null;
}
}
// マクロ
private void ReadMacro(MmlFileReader m)
{
// 位置を固定
var Pos = m.GetPosition();
m.StepNextCharacter();
var Name = m.ReadName();
VerboseWriteLine($"--- Macro: {Name} {Pos} ---");
ReadTrackText(Name, m);
}
private int ReadParameter(MmlFileReader m)
{
var t = m.ReadNumber();
int result = 0;
if (t == null || !int.TryParse(t, out result))
{
Error.Add(ErrorData.Type.ParameterIsWrong);
}
return(result);
}
// 音色を読み出す
private int[] ReadToneParameter(MmlFileReader m)
{
List <int> Parameter = new List <int>();
bool SkipSeparator = false;
while (true)
{
m.SkipSkipable();
var ct = m.FetchType();
// EOF
if (ct == MmlCharactorType.Eof)
{
Error.Add(ErrorData.Type.BlockEndNotFound);
return(null);
}
// Separator
if (ct == MmlCharactorType.Separator)
{
VerboseWriteLine($"{m.GetPosition()} {ct}");
if (!SkipSeparator)
{
SkipSeparator = false; Parameter.Add(0);
}
m.SkipType();
continue;
}
if (m.IsLineEnd(ct) || m.IsComment(ct))
{
m.SkipType(); continue;
}
if (ct == MmlCharactorType.GeneralChanacter)
{
SkipSeparator = true;
VerboseWriteLine($"{m.GetPosition()} {ct}");
Parameter.Add(ReadParameter(m));
continue;
}
if (ct == MmlCharactorType.BlockEnd)
{
m.SkipType();
m.StepNextLine();
return(Parameter.ToArray());
}
Error.Add(ErrorData.Type.UnknownCharacterUsed);
return(null);
}
}
public void Make(SongData Song, TrackData Track, MmlFileReader m)
{
var fl = m.FetchLine();
var Command = ObjectList.FirstOrDefault(x => fl.StartsWith(x.Name));
if (Command == null)
{
Error.Add(ErrorData.Type.UnknownCommandName); return;
}
m.StepCount(Command.Name.Length);
Command.Execute(Song, Track, Command, m);
}
private void Tie(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = Track.GetLastNote();
if (cmd == null)
{
Error.Add(ErrorData.Type.LastNoteNotFound); return;
}
var Tick = ReadNoteLength(Track.DefaultTick, Song.MasterTick, m);
cmd.Tick += Tick;
}
// ブロック開始まで進める
private bool SkipUntilBlockStart(MmlFileReader m)
{
m.SkipSkipable();
var ct = m.FetchType();
if (ct != MmlCharactorType.BlockStart)
{
Error.Add(ErrorData.Type.BlockStartNotFound);
return(false);
}
m.SkipType();
return(true);
}
// エフェクト
private void ReadEffect(MmlFileReader m)
{
// 位置を固定
var Pos = m.GetPosition();
m.StepNextCharacter();
var Name = m.ReadName();
VerboseWriteLine($"--- Effect: {Name} {Pos} ---");
if (!SkipUntilBlockStart(m))
{
return;
}
SkipUntilBlockEnd(m);
}
private int ReadNumber(MmlFileReader m, bool Required = true, int Default = 0)
{
var t = m.ReadNumber();
if (!Required)
{
return(Default);
}
int Result;
if (t != null && int.TryParse(t, out Result))
{
return(Result);
}
Error.Add(ErrorData.Type.InvalidNumber);
return(Default);
}
private void ParseMmlFile(string filename)
{
Song = new SongData();
Song.Error = Error;
var m = new MmlFileReader();
Error.SetFileReader(m);
if (!m.Load(filename))
{
Error.Add(ErrorData.Type.FileNotFound); return;
}
while (!m.IsEof() && !Error.HasError)
{
// 行頭
var ct = m.FetchType();
// コメントブロック終了時の行は読み飛ばす
if (ct == MmlCharactorType.CommentEnd)
{
m.SkipType();
m.StepNextLine();
}
if (m.IsComment(ct))
{
m.SkipType();
continue;
}
if (ct == MmlCharactorType.NextLine || ct == MmlCharactorType.Eof)
{
m.SkipType();
continue;
}
if (ct != MmlCharactorType.GeneralChanacter)
{
Error.Add(ErrorData.Type.LineHeaderIsWrong);
continue;
}
ReadItem(m);
}
}
private void ReadItem(MmlFileReader m)
{
char ch = m.FetchCharacter();
switch (ch)
{
case '#': ReadHeader(m); break;
case '%': ReadEffect(m); break;
case '@': ReadTone(m); break;
case '$': ReadMacro(m); break;
default: ReadTrack(m); break;
}
}
// 音色
private void ReadTone(MmlFileReader m)
{
// 位置を固定
var Pos = m.GetPosition();
m.StepNextCharacter();
var Name = m.ReadName();
VerboseWriteLine($"--- Tone: {Name} {Pos} ---");
if (!SkipUntilBlockStart(m))
{
return;
}
var Parameter = ReadToneParameter(m);
Song.SetToneParameter(Name, Parameter);
}
private int ReadNoteLength(int DefaultTick, int MasterTick, MmlFileReader m)
{
int Tick = DefaultTick;
if (m.IsNextLine())
{
return(Tick);
}
var ch = m.FetchCharacter();
if (ch == '%')
{
m.StepNextCharacter();
Tick = ReadNumber(m);
}
else
{
if (char.IsDigit(ch))
{
int Len = ReadNumber(m, Default: -1);
if (Len <= 0)
{
Error.Add(ErrorData.Type.NoteLengthIsWrong);
}
else
{
Tick = MasterTick / Len;
}
}
ch = m.FetchCharacter();
int AddTick = Tick;
while (ch == '.')
{
AddTick /= 2;
Tick += AddTick;
m.StepNextCharacter();
ch = m.FetchCharacter();
}
}
return(Tick);
}
private void Note(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var NoteNumber = NoteToNumber[Command.Name];
var cmd = Track.AddCommand(CommandType.Note);
Track.SetLastNote(cmd);
var ct = m.FetchType();
if (m.IsNextLine())
{
cmd.Value = NoteNumber;
cmd.Tick = Track.DefaultTick;
return;
}
var ch = m.FetchCharacter();
bool Shift = false;
if (ch == '-')
{
Shift = true; NoteNumber++;
}
if (ch == '+')
{
Shift = true; NoteNumber++;
}
if (Shift)
{
m.StepNextCharacter();
}
cmd.Value = NoteNumber;
var Tick = ReadNoteLength(Track.DefaultTick, Song.MasterTick, m);
cmd.Tick = Tick;
}
private void RelativeOctave(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
Track.AddCommand(Command.Name == ">" ? CommandType.OctaveGt : CommandType.OctaveLt);
}
private void Macro(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
ReadName(Track, m, CommandType.Macro);
}
private void Effect(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
ReadName(Track, m, CommandType.Effect);
}
private void Length(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var Tick = ReadNoteLength(Track.DefaultTick, Song.MasterTick, m);
Track.DefaultTick = Tick;
}
private void Tempo(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
ReadValue(Track, m, CommandType.Tempo);
}
private void Octave(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
ReadValue(Track, m, CommandType.Octave);
}
private void Staccato(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = Track.AddCommand(CommandType.Staccato);
cmd.Value = ReadNumber(m);
}
private void Slur(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var cmd = Track.AddCommand(CommandType.Slur);
cmd.Value = 1;
}