40 	"""Takes a T2CharString program list and returns list of commands.
67 	commands = []
109 				commands.append(('', [width]))
113 				commands.append(('', stack))
114 			commands.append((token, []))
115 			commands.append(('', [next(it)]))
117 			commands.append((token, stack))
120 		commands.append(('', stack))
121 	return commands
134 def commandsToProgram(commands):  argument
135 	"""Takes a commands list as returned by programToCommands() and converts
138 	for op,args in commands:
310 def generalizeCommands(commands, ignoreErrors=False):  argument
313 	for op, args in commands:
320 					# Store op as data, such that consumers of commands do not have to
336 				# Store op as data, such that consumers of commands do not have to
387 	# return a list of blend commands, and
452 def specializeCommands(commands,  argument
460 	# 0. Generalize commands.
491 	# 0. Generalize commands.
493 		commands = generalizeCommands(commands, ignoreErrors=ignoreErrors)
495 		commands = list(commands) # Make copy since we modify in-place later.
498 	for i in range(len(commands)-1, 0, -1):
499 		if 'rmoveto' == commands[i][0] == commands[i-1][0]:
500 			v1, v2 = commands[i-1][1], commands[i][1]
501 			commands[i-1] = ('rmoveto', [v1[0]+v2[0], v1[1]+v2[1]])
502 			del commands[i]
550 	for i in range(len(commands)):
551 		op,args = commands[i]
555 			commands[i] = c+op[1:], args
561 			commands[i] = c1+c2+'curveto', args1+args[2:4]+args2
587 		for i in range(len(commands)-1, -1, -1):
588 			op, args = commands[i]
595 				commands[i] = op, args
600 				del commands[i]
608 							(op == commands[i-1][0])):
609 				_, other_args = commands[i-1]
615 				commands[i-1] = (op, new_args)
616 				del commands[i]
621 	for i in range(1, len(commands)-1):
622 		op,args = commands[i]
623 		prv,nxt = commands[i-1][0], commands[i+1][0]
628 			commands[i] = ('rlineto', args)
643 			commands[i] = ('rrcurveto', args)
647 	for i in range(len(commands)-1, 0, -1):
648 		op1,args1 = commands[i-1]
649 		op2,args2 = commands[i]
693 			commands[i-1] = (new_op, args1+args2)
694 			del commands[i]
697 	for i in range(len(commands)):
698 		op,args = commands[i]
701 			commands[i] = 'h'+op[1:], args
724 			commands[i] = op0+op1+'curveto', args
728 	for i in range(len(commands)):
729 		op, args = commands[i]
731 			commands[i] = op, _convertToBlendCmds(args)
733 	return commands
750 		"program", metavar="command", nargs="*", help="Commands.")
761 	commands = programToCommands(program, getNumRegions)  variable
762 	print("Commands:"); print(commands)
763 	program2 = commandsToProgram(commands)
764 	print("Program from commands:"); print(programToString(program2))