# -*- coding: iso-8859-1 -*-
#
# LanguageTool -- A Rule-Based Style and Grammar Checker
# Copyright (C) 2002,2003,2004 Daniel Naber <daniel.naber@t-online.de>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import re

class Entities:
	"""Some(!) BNC SGML entities."""

	def cleanEntities(s):
		"""Replace only the most common BNC entities with their
		ASCII respresentation."""
		entities = { 	"amp" : "&",
						"pound": "P",		# fixme: use "£"
						"eacute": "e",
						"aacute": "a",
						"bquo": "\"",
						"equo": "\"",
						"ecirc": "e",
						"quot": "'",
						#"deg": u"°",
						"dollar": "$",
						"agrave": "á",
						"egrave": "é",
						"percnt": "&",
						"ndash": "-",
						"mdash": "--",
						"hellip": "...",
						"lsqb": "[",
						"rsqb": "]",
						"uuml": "ü",	#fixme: use ü
						"auml": "ä",	# see above!
						"ouml": "ö",
						"Uuml": "Ü",
						"Auml": "Ä",
						"Ouml": "Ö",
						"szlig": "ß"
					}
#		print "in entities %s"%s
		try:
			for key in entities:
				#s = re.compile("&%s;?" % key).sub("%s" % entities[key].encode('latin1'), s)
				s = s.replace("&%s;" % key, entities[key])
				s = s.replace("&%s" % key, entities[key])
		except TypeError:
			# FIXME: what to do here?!
			print >> sys.stderr, "TypeError: '%s'" % s
		return s

	cleanEntities = staticmethod(cleanEntities)

if __name__ == "__main__":
	main()