csong@9: 
csong@13: from basic_functions import ceiling, string_to_sequence
csong@9: 
csong@13: import parameter_setter 
csong@13: import rhythm_parser 
csong@9: 
csong@9: class Note():
csong@9: 	def __init__(self, argstring):
csong@13: 		intlist = string_to_sequence(argstring)
csong@9: 		self.startTime = intlist[0]
csong@9: 		self.duration = intlist[1]
csong@9: 		self.velocity = intlist[2]
csong@9: 	
csong@9: 	# toString()
csong@9: 
csong@9: # NoteSequence is a list of Note
csong@9: class NoteSequence(list):
csong@9: 	def __init__(self, noteSequenceString=None):
csong@9: 		if noteSequenceString!=None:
csong@9: 			self.string_to_note_sequence(noteSequenceString)
csong@9: 
csong@9: 	def string_to_note_sequence(self, noteSequenceString):
csong@13: 		noteSequenceString = rhythm_parser.discardSpaces(noteSequenceString)
csong@9: 		# try:
csong@9: 			# Turning "(1,2,3),(4,5,6),(7,8,9)" into ["1,2,3","4,5,6,","7,8,9"]
csong@9: 		listStrings = noteSequenceString[1:-1].split("),(")
csong@9: 		for localString in listStrings:
csong@9: 			self.append(Note(localString))
csong@9: 
csong@9: 	# toString()
csong@9: 
csong@9: 
csong@13: #print NoteSequence("(1,2,3),(4,5,6),(7,8,9)")
csong@13: class VelocitySequence(list):
csong@13: 	def __init__(self, noteSequenceString=None):
csong@13: 		if noteSequenceString!=None:
csong@13: 			self.string_to_note_sequence(noteSequenceString)
csong@9: 
csong@13: 	def string_to_note_sequence(self,inputString):
csong@13: 		self.extend(string_to_sequence(inputString))
csong@9: 
csong@9: 
csong@9: class BarList(list):
csong@9: 	def append(self,bar):
csong@9: 		if(len(self)>0):
csong@9: 			bar.set_previous_bar(self[-1])
csong@9: 			self[-1].set_next_bar(bar)
csong@9: 		super(BarList, self).append(bar)
csong@9: 
csong@9: 
csong@9: 
csong@13: 
csong@13: 
csong@9: class Bar:
csong@9: 
csong@9: 	def __init__(self, rhythmSequence, timeSignature, ticksPerQuarter=None, qpmTempo=None, nextBar=None, prevBar=None):
csong@9: 		if isinstance(rhythmSequence, NoteSequence):
csong@9: 			self.noteSequence = rhythmSequence
csong@9: 			self.velocitySequence = None 
csong@9: 		elif isinstance(rhythmSequence, VelocitySequence):
csong@9: 			self.velocitySequence = rhythmSequence
csong@9: 			self.noteSequence = None 
csong@9: 
csong@9: 		self.tpq = ticksPerQuarter
csong@9: 		self.qpm = qpmTempo
csong@18: 		self.timeSignature = TimeSignature(timeSignature)
csong@9: 		self.nextBar = nextBar
csong@9: 		self.prevBar = prevBar
csong@9: 
csong@9: 	def get_note_sequence(self):
csong@9: 		#if self.noteSequence==None:
csong@13: 		#	self.noteSequence = velocity_sequence_to_notes(self.velocitySequence)
csong@9: 		return self.noteSequence
csong@9: 
csong@9: 	def get_velocity_sequence(self):
csong@9: 		if self.velocitySequence==None:
csong@13: 			self.velocitySequence = note_sequence_to_velocities(self.velocitySequence)
csong@9: 		return self.velocitySequence
csong@9: 
csong@9: 	def get_binary_sequence(self):
csong@9: 		return ceiling(self.get_velocity_sequence())
csong@9: 
csong@9: 	def get_next_bar(self):
csong@9: 		return self.nextBar
csong@9: 
csong@9: 	def get_previous_bar(self):
csong@9: 		return self.prevBar
csong@9: 
csong@9: 	def set_next_bar(self, bar):
csong@9: 		self.nextBar = bar
csong@9: 
csong@9: 	def set_previous_bar(self, bar):
csong@9: 		self.prevBar = bar		
csong@9: 
csong@9: 	def get_subdivision_sequence(self):
csong@18: 		return self.timeSignature.get_subdivision_sequence()
csong@9: 
csong@9: 	def get_beat_level(self):
csong@9: 		return ParameterSetter.get_beat_level(self.timeSignature)
csong@9: 
csong@9: 	def get_time_signature(self):
csong@9: 		return self.timeSignature
csong@9: 
csong@9: 	def get_t_span(self):
csong@9: 		# return the length of a bar in time units
csong@9: 		return None # NEED TO IMPLEMENT
csong@9: 
csong@18: class TimeSignature():
csong@18: 	def __init__(self, inputString):
csong@18: 		if inputString in parameter_setter.readTimesig():
csong@18: 			self.tsString = inputString
csong@18: 		else:
csong@18: 			print "Error: undefined time-signature ", inputString
csong@18: 			raise NullTimeSignatureError
csong@18: 
csong@18: 	def get_subdivision_sequence(self):
csong@18: 		return parameter_setter.timesigBase[self.tsString][0]
csong@18: 	
csong@18: 	def get_beat_level(self):
csong@18: 		return parameter_setter.timesigBase[self.tsString][1]
csong@18: 
csong@18: 	def get_numerator(self):
csong@18: 		return int(self.tsString.split('/')[0])
csong@18: 			
csong@18: 	def get_denominator(self):
csong@18: 		return int(self.tsString.split('/')[1])
csong@18: 
csong@18: 
csong@18: