__license__ = """

This file is part of Gnu FreeFont.

Gnu FreeFont is free software: you can redistribute it and/or modify it under

the terms of the GNU General Public License as published by the Free Software

Foundation, either version 3 of the License, or (at your option) any later

version.

Gnu FreeFont 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with

Gnu FreeFont.  If not, see <http://www.gnu.org/licenses/>. 

"""

__author__ = "Stevan White"

__email__ = "stevan.white@googlemail.com"

__copyright__ = "Copyright 2011, 2012, Stevan White"

__date__ = "$Date: 2012-04-24 13:10:12 +0200 (Tue, 24 Apr 2012) $"

__version__ = "$Revision: 2246 $"

__doc__ = """

Common tools used by the generate scripts.

"""

import re

_re_vstr = re.compile( '\$Revision: (\d*)\s*\$(.*)' )

def trim_version_str( font ):

	""" SVN automatically puts a revision number between dollar signs

	in the sfd file's Version string.

	However the OpenType standard recommends

		Version n.m

	Where n and m are decimal numbers.

	"""

	vstr_match = _re_vstr.match( font.version )

	ot_stdized = ''

	if vstr_match:

		trimmed = vstr_match.group( 1 )

		rest = vstr_match.group( 2 )

		otstdized = '0412.' + trimmed + rest

		font.version = otstdized

		#font.appendSFNTName( n[0], n[1], otstdized )

		return trimmed

	return otstdized