#!/usr/bin/python

# Copyright (C) 2012, Aravinda VK <hallimanearavind@gmail.com>

#                          http://aravindavk.in

# This program 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.

# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.

import sys

import fontforge

if __name__ == "__main__":

    if len(sys.argv) < 3:

        print("USAGE: python apply_featurefile.py <sfd file> <featurefile>")

    else:

        font = fontforge.open(sys.argv[1])

        # Remove all GSUB lookups

        for lookup in font.gsub_lookups:

            font.removeLookup(lookup)

        # Remove all GPOS lookups 

        # These lines are disable since gpos tables are font specific and simply importing from lohit will not help it.

        for lookup in font.gpos_lookups:

            font.removeLookup(lookup)        

        # Merge the new featurefile 

        font.mergeFeature(sys.argv[2])

        font.save()

        font.close()

        print("[SUCCESS]", sys.argv[2], "feature file applied")