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Tabified properly: tabs for indenting, spaces for alignment.
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@pgeerkens
pgeerkens committed May 14, 2016
1 parent 5a483c6 commit 240b880
Showing 1 changed file with 97 additions and 91 deletions.
188 changes: 97 additions & 91 deletions Parser/Music/IMusicParser.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,40 +11,41 @@

using Irony.Parsing;

using PGSoftwareSolutions.PGIrony;

namespace PGSoftwareSolutions.Music {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public interface IMusicParser<T> {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
T Parse(string music);
/// <summary>TODO</summary>
/// <summary>TODO</summary>
T Parse(TextReader reader);
}
/// <summary>TODO</summary>
/// <summary>Note types.</summary>
/// <remarks>
/// Note length can be calculated as Math.Pow(2,-Value).
/// </remarks>
public enum NoteType {
/// <summary>TODO</summary>
/// <summary>A quadruple whole note.</summary>
Longa = -2,
/// <summary>TODO</summary>
/// <summary>A double whole note.</summary>
Breve = -1,
/// <summary>TODO</summary>
/// <summary>A whole note.</summary>
SemiBreve,
/// <summary>TODO</summary>
/// <summary>A half note.</summary>
Minim,
/// <summary>TODO</summary>
/// <summary>A quarter note.</summary>
Crotchet,
/// <summary>TODO</summary>
/// <summary>An Eighth note.</summary>
Quaver,
/// <summary>TODO</summary>
/// <summary>A 16th note.</summary>
SemiQuaver,
/// <summary>TODO</summary>
/// <summary>A 32nd Note.</summary>
DemiSemiQuaver,
/// <summary>TODO</summary>
/// <summary>A 64th note.</summary>
HemiDemiSemiQuaver
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static class NoteTypeExtensions {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static NoteType GetNoteType (this NoteType type, Int16 length) {
var i = (int)Math.Floor(Math.Log(length,2));
var n = (NoteType)(i);
Expand All @@ -54,102 +55,107 @@ public static NoteType GetNoteType (this NoteType type, Int16 length) {
}
}

/// <summary>TODO</summary>
/// <summary>TODO</summary>
public interface IPitch {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
PianoKey PianoKey { get; }
/// <summary>TODO</summary>
/// <summary>TODO</summary>
NoteLetter NoteLetter { get; }
/// <summary>TODO</summary>
/// <summary>TODO</summary>
SharpFlat SharpFlat { get; }
}

#pragma warning disable
public enum Octave { _0, _1, _2, _3, _4, _5, _6, _7, _8 }
#pragma warning restore

/// <summary>Play styles</summary>
public struct Style {
/// <summary>Legato</summary>
public static Style L => new Style(_enum.L, "Legato", 0.950F);
/// <summary>Normal</summary>
public static Style N => new Style(_enum.N, "Normal", 0.875F);
/// <summary>Staccato</summary>
public static Style S => new Style(_enum.S, "Staccato", 0.750F);
/// <summary>Play styles</summary>
public struct Style {
/// <summary>Legato</summary>
public static Style L => new Style(_enum.L, "Legato", 0.950F);
/// <summary>Normal</summary>
public static Style N => new Style(_enum.N, "Normal", 0.875F);
/// <summary>Staccato</summary>
public static Style S => new Style(_enum.S, "Staccato", 0.750F);

/// <summary>TODO</summary>
public static Style ConvertValue(ParsingContext c, string s) =>
_values[(int)(System.Enum.Parse(typeof(_enum), s.ToUpper()))];
/// <summary>TODO</summary>
public static Style ConvertValue(ParsingContext c, string s) =>
_values[(int)(System.Enum.Parse(typeof(_enum), s.ToUpper()))];

private enum _enum {L,N,S};
private static IList<Style> _values = new List<Style> { L, N, S };
private enum _enum {L,N,S};
private static IList<Style> _values = new List<Style> { L, N, S };

private Style(_enum value, string name, double factor) :this() {
_value = (int)value;
_name = name;
_factor = factor;
}
/// <summary>TODO</summary>
public int Value { get { return _value; } } readonly int _value;
/// <summary>TODO</summary>
public string Name { get { return _name; } } readonly string _name;
/// <summary>TODO</summary>
public double Factor { get { return _factor; } } readonly double _factor;
private Style(_enum value, string name, double factor) :this() {
_value = (int)value;
_name = name;
_factor = factor;
}
/// <summary>TODO</summary>
public int Value { get { return _value; } } readonly int _value;
/// <summary>TODO</summary>
public string Name { get { return _name; } } readonly string _name;
/// <summary>TODO</summary>
public double Factor { get { return _factor; } } readonly double _factor;

/// <summary>TODO</summary>
public double Length(double seconds) => seconds * _factor;
}
/// <summary>TODO</summary>
public double Length(double seconds) => seconds * _factor;
}

/// <summary>TODO</summary>
/// <summary>TODO</summary>
/// <remarks>
/// Tone number (or alternatively, Piano-Key number) is calculated as
/// base tome plus/minus enum Value.
/// </remarks>
public enum SharpFlat {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
FlatFlat = -2,
/// <summary>TODO</summary>
/// <summary>TODO</summary>
Flat = -1,
/// <summary>TODO</summary>
/// <summary>TODO</summary>
Natural = 0,
/// <summary>TODO</summary>
/// <summary>TODO</summary>
Sharp = +1,
/// <summary>TODO</summary>
/// <summary>TODO</summary>
SharpSharp = +2 // "\uD834\uDD2A" or U+1D12A
}

/// <summary>TODO</summary>
/// <summary>TODO</summary>
public enum OctaveShift {
/// <summary>TODO</summary>
/// <summary>TODO</summary>
Down = -1,
/// <summary>TODO</summary>
/// <summary>TODO</summary>
Up = +1
}

#pragma warning disable
public enum Mode { maj, min, lyd, ion, mix, dor, aeo, phr, loc }
#pragma warning disable
public enum Mode { maj, min, lyd, ion, mix, dor, aeo, phr, loc }

public enum NoteLetter { C, D, E, F, G, A, B, c, d, e, f, g, a, b }
#pragma warning restore
#pragma warning restore

#pragma warning disable
public enum PianoKey { Bar = 89, Rest = 0, A_0, Bf_0, B_0, // 1 -> 3
#pragma warning disable
public enum PianoKey { Rest = 0, A_0, Bf_0, B_0, // 1 -> 3
C_1, Cs_1, D_1, Ef_1, E_1, F_1, Fs_1, G_1, Af_1, A_1, Bf_1, B_1, // 4 -> 15
C_2, Cs_2, D_2, Ef_2, E_2, F_2, Fs_2, G_2, Af_2, A_2, Bf_2, B_2, // 16 -> 27
C_3, Cs_3, D_3, Ef_3, E_3, F_3, Fs_3, G_3, Af_3, A_3, Bf_3, B_3, // 28 -> 39
C_4, Cs_4, D_4, Ef_4, E_4, F_4, Fs_4, G_4, Af_4, A_4, Bf_4, B_4, // 40 -> 51
C_5, Cs_5, D_5, Ef_5, E_5, F_5, Fs_5, G_5, Af_5, A_5, Bf_5, B_5, // 52 -> 63
C_6, Cs_6, D_6, Ef_6, E_6, F_6, Fs_6, G_6, Af_6, A_6, Bf_6, B_6, // 64 -> 75
C_7, Cs_7, D_7, Ef_7, E_7, F_7, Fs_7, G_7, Af_7, A_7, Bf_7, B_7, // 76 -> 87
C_8
}
#pragma warning restore
C_8,
Bar = 89
}
#pragma warning restore

/// <summary>TODO</summary>
public static class EnumExtensions {
/// <summary>TODO</summary>
public static class EnumExtensions {
#region SharpFlat extensions
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static SharpFlat Parse(this SharpFlat sharpFlat, string s) {
return FromString(sharpFlat, s);
}

/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static SharpFlat FromString(this SharpFlat sharpFlat, string s) {
switch (s ?? string.Empty) {
case "-":
Expand All @@ -173,14 +179,14 @@ public static SharpFlat FromString(this SharpFlat sharpFlat, string s) {
}
}
static string[] symbols = {"♭♭", "♭", "♮", "♯", "♯♯"};
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static string AsString(this SharpFlat sharpFlat) {
return symbols [(int)sharpFlat + 2];
}
#endregion SharpFlat extensions

#region OctaveShift extensions
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static OctaveShift FromString(this OctaveShift octaveShift, string value) {
switch (value.Trim(new char[] {'o','O'})) {
case "<": return OctaveShift.Down;
Expand All @@ -189,37 +195,37 @@ public static OctaveShift FromString(this OctaveShift octaveShift, string value)
"input string must end in '<' or '>'.");
}
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static string AsString(this OctaveShift shift) { return shift.ToString(); }
#endregion OctaveShift extensions

#region NoteLettter extensions
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static NoteLetter Parse (this NoteLetter letter, string s) {
return (NoteLetter)System.Enum.Parse(typeof(NoteLetter),s);
}
/// <summary>
/// Returns the index for the base note according to:
/// <b>F</b>ather <b>C</b>harles <b>G</b>oes <b>D</b>own <b>A</b>nd <b>E</b>nds <B>B</B>attle.
/// </summary>
/// <param name="baseNote"></param>
/// <returns></returns>
public static Int16 FCGDAEB(this NoteLetter baseNote) {
return (Int16)"FCGDAEB".IndexOf(baseNote.ToString()[0]);
/// <summary>
/// Returns the index for the base note according to:
/// <b>F</b>ather <b>C</b>harles <b>G</b>oes <b>D</b>own <b>A</b>nd <b>E</b>nds <B>B</B>attle.
/// </summary>
/// <param name="baseNote"></param>
/// <returns></returns>
public static Int16 FCGDAEB(this NoteLetter baseNote) {
return (Int16)"FCGDAEB".IndexOf(baseNote.ToString()[0]);
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static int SemitonesFromC (this NoteLetter note) {
return (new int[] { 0, 2, 4, 5, 7, 9,11
,12,14,16,17,19,21,23}) [(int)note];
return (new int[] { 0, 2, 4, 5, 7, 9,11
,12,14,16,17,19,21,23}) [(int)note];
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static int NoteIndex (this NoteLetter note) {
return "CDEFGABcdefgab".IndexOf(note.ToString());
}
#endregion

#region Mode extensions
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static string AsString(this Mode mode) {
switch (mode) {
case Mode.maj: return "major";
Expand All @@ -235,7 +241,7 @@ public static string AsString(this Mode mode) {
"Invalid enumeration value.");
}
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static NoteLetter BaseNote(this Mode mode) {
switch (mode) {
case Mode.min:
Expand All @@ -254,24 +260,24 @@ public static NoteLetter BaseNote(this Mode mode) {
#endregion Mode extensions

#region PianoKey extensions
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static int Octave(this PianoKey @this) {
return ((int)@this + 8) / 12;
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static NoteLetter Letter(this PianoKey @this, int countSharps = 0) {
var noteNo = ((new int[] {4,5,6,6,0,0,1,2,2,3,3,4}) [((int)@this) % 12]);
// C D E F G A B // favour G# in sharp keys; A_ otherwise
if ((new int[] {7,0,0,4,0,6,0,0,1,0,5,0})[noteNo] >= countSharps && countSharps>0) noteNo--;
if ((new int[] {0,4,0,0,7,0,5,0,0,0,0,6})[noteNo] >=-countSharps && countSharps<0) noteNo++;
return (NoteLetter)noteNo;
}
/// <summary>TODO</summary>
/// <summary>TODO</summary>
public static SharpFlat Accidental(this PianoKey key) {
var index = ((int)key) % 12;
return (SharpFlat)((new int[] {-1,0,-1,0,0,1,0,-1,0,0,1,0})[index]);
}
// Key A_ A B_ B C C# D E_ E F F# G A_ A B_ B C C# D E_ E F F# G
// Key A_ A B_ B C C# D E_ E F F# G A_ A B_ B C C# D E_ E F F# G
// F# { 4, 5, 5, 6, 6, 0, 1, 1, 2, 2, 3, 4} { 0,-1, 0,-1, 0, 0,-1, 0,-1, 0, 0,-1} B
// C# { 4, 5, 5, 6, 0, 0, 1, 1, 2, 2, 3, 4} { 0,-1, 0, 0,-1, 0,-1, 0,-1, 0, 0,-1} E
// B { 4, 5, 5, 6, 0, 0, 1, 1, 2, 3, 3, 4} { 0,-1, 0, 0,-1, 0,-1, 0, 0,-1, 0,-1} A
Expand Down

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