import pgf
import sys
# import sets
# import readline
# import locale

sys.stdout.write("loading...")
sys.stdout.flush();
gr1 = pgf.readPGF("../haskell/tests/basic.pgf")
gr2 = pgf.bootNGF("../haskell/tests/basic.pgf", "./basic.ngf")
gr3 = pgf.readNGF("./basic.ngf")
sys.stdout.write("done")

# source_lang = gr.languages["ParseEng"]
# target_lang = gr.languages["ParseBul"]
#
# we = pgf.readExpr("UttImpSg PPos (ImpVP (UseV try_V))")
# print source_lang.linearize(we)
#
# sys.stdout.write("start cat: "+gr.startCat+"\n\n")
#
# class Completer():
# 	def __init__(self, lang):
# 		self.gr = lang
#
# 	def complete(self, prefix, state):
# 		if state == 0:
# 			line = readline.get_line_buffer()
# 			line = line[0:readline.get_begidx()]
# 			self.i = source_lang.complete(line, prefix=prefix)
# 			self.tokens = sets.Set()
#
# 		if len(self.tokens) > 50:
# 			return None
#
# 		while True:
# 			try:
# 				(p,t,c) = self.i.next()
# 				if t not in self.tokens:
# 					self.tokens.add(t)
# 					return t
# 			except StopIteration:
# 				return None
#
# completer = Completer(source_lang)
# readline.set_completer(completer.complete)
# readline.parse_and_bind("tab: complete")
# locale.setlocale(locale.LC_CTYPE, "")
#
# while True:
# 	try:
# 		line = raw_input("> ");
# 	except EOFError:
# 		sys.stdout.write("\n")
# 		readline.set_completer(None)
# 		break
# 	except KeyboardInterrupt:
# 		sys.stdout.write("\n")
# 		readline.set_completer(None)
# 		break
#
# 	try:
# 		for (p,e) in source_lang.parse(line, n=1):
# 			sys.stdout.write("["+str(p)+"] "+str(e)+"\n")
# 			print target_lang.linearize(e)
# 	except pgf.ParseError as e:
# 		print e.message