private static void TestGetNotesAndRests(
IEnumerable <Note> inputNotes,
RestSeparationPolicy restSeparationPolicy,
IEnumerable <ILengthedObject> expectedObjects)
{
var actualObjects = inputNotes.GetNotesAndRests(restSeparationPolicy);
MidiAsserts.AreEqual(expectedObjects, actualObjects, true, 0, "Objects are invalid");
}
private static void TestGetNotesAndRests(
IEnumerable <Note> inputNotes,
RestSeparationPolicy restSeparationPolicy,
IEnumerable <ILengthedObject> expectedObjects)
{
var actualObjects = inputNotes.GetNotesAndRests(restSeparationPolicy);
CollectionAssert.AreEqual(
expectedObjects,
actualObjects,
new LengthedObjectComparer());
}
private void GetObjects_Rests(
RestSeparationPolicy restSeparationPolicy,
IEnumerable <ITimedObject> inputObjects,
IEnumerable <ITimedObject> outputObjects)
{
GetObjects(
inputObjects,
outputObjects,
ObjectType.Rest,
new ObjectDetectionSettings
{
RestDetectionSettings = new RestDetectionSettings
{
RestSeparationPolicy = restSeparationPolicy
}
});
}
private void GetObjects_NotesAndRests(
RestSeparationPolicy restSeparationPolicy,
IEnumerable <ITimedObject> inputObjects,
IEnumerable <ITimedObject> outputObjects,
NoteDetectionSettings noteDetectionSettings = null)
{
GetObjects(
inputObjects,
outputObjects,
ObjectType.Note | ObjectType.Rest,
new ObjectDetectionSettings
{
RestDetectionSettings = new RestDetectionSettings
{
RestSeparationPolicy = restSeparationPolicy
},
NoteDetectionSettings = noteDetectionSettings ?? new NoteDetectionSettings()
});
}
/// <summary>
/// Iterates through the specified collection of <see cref="Note"/> returning instances of <see cref="Note"/>
/// and <see cref="Rest"/> where rests calculated using the specified policy.
/// </summary>
/// <param name="notes">Collection of <see cref="Note"/> to iterate over.</param>
/// <param name="restSeparationPolicy">Policy which determines when rests should be returned.</param>
/// <returns>Collection of <see cref="ITimedObject"/> where an element either <see cref="Note"/>
/// or <see cref="Rest"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="notes"/> is null.</exception>
/// <exception cref="InvalidEnumArgumentException"><paramref name="restSeparationPolicy"/> specified an
/// invalid value.</exception>
public static IEnumerable <ILengthedObject> GetNotesAndRests(
this IEnumerable <Note> notes,
RestSeparationPolicy restSeparationPolicy)
{
ThrowIfArgument.IsNull(nameof(notes), notes);
ThrowIfArgument.IsInvalidEnumValue(nameof(restSeparationPolicy), restSeparationPolicy);
switch (restSeparationPolicy)
{
case RestSeparationPolicy.NoSeparation:
return(GetNotesAndRests(notes,
n => NoSeparationNoteDescriptor,
false,
false));
case RestSeparationPolicy.SeparateByChannel:
return(GetNotesAndRests(notes,
n => n.Channel,
true,
false));
case RestSeparationPolicy.SeparateByNoteNumber:
return(GetNotesAndRests(notes,
n => n.NoteNumber,
false,
true));
case RestSeparationPolicy.SeparateByChannelAndNoteNumber:
return(GetNotesAndRests(notes,
n => n.GetNoteId(),
true,
true));
}
throw new NotSupportedException($"Rest separation policy {restSeparationPolicy} is not supported.");
}
public static IEnumerable <ILengthedObject> GetNotesAndRests(this IEnumerable <TrackChunk> trackChunks, RestSeparationPolicy restSeparationPolicy)
{
ThrowIfArgument.IsNull(nameof(trackChunks), trackChunks);
ThrowIfArgument.IsInvalidEnumValue(nameof(restSeparationPolicy), restSeparationPolicy);
return(trackChunks.GetNotes().GetNotesAndRests(restSeparationPolicy));
}
public static IEnumerable <ILengthedObject> GetNotesAndRests(this IEnumerable <Note> notes, RestSeparationPolicy restSeparationPolicy)
{
ThrowIfArgument.IsNull(nameof(notes), notes);
ThrowIfArgument.IsInvalidEnumValue(nameof(restSeparationPolicy), restSeparationPolicy);
return(notes
.GetObjects(ObjectType.Note | ObjectType.Rest, new ObjectDetectionSettings
{
RestDetectionSettings = new RestDetectionSettings
{
RestSeparationPolicy = restSeparationPolicy
}
})
.OfType <ILengthedObject>());
}
public static IEnumerable <ILengthedObject> GetNotesAndRests(this MidiFile midiFile, RestSeparationPolicy restSeparationPolicy)
{
ThrowIfArgument.IsNull(nameof(midiFile), midiFile);
ThrowIfArgument.IsInvalidEnumValue(nameof(restSeparationPolicy), restSeparationPolicy);
return(midiFile.GetNotes().GetNotesAndRests(restSeparationPolicy));
}
public static IEnumerable <ILengthedObject> GetNotesAndRests(this TrackChunk trackChunk, RestSeparationPolicy restSeparationPolicy)
{
ThrowIfArgument.IsNull(nameof(trackChunk), trackChunk);
return(trackChunk.GetNotes().GetNotesAndRests(restSeparationPolicy));
}
