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#!/usr/bin/env python3
from fontFeatures.shaperLib.Buffer import Buffer
from fontFeatures.ttLib import unparse
from fontTools.ttLib import TTFont
from fontFeatures.shaperLib.Shaper import Shaper
import sys
from babelfont import load
from fontTools.ttLib import TTFont
import argparse
import logging
import re
def main(args=None):
parser = argparse.ArgumentParser(description='Shape text')
parser.add_argument('font', metavar='OTF',
help='Font file')
parser.add_argument('--verbose', '-V', action="count", dest='logging',
help='Output interim shaping results')
parser.add_argument("--ned", "--no-extra-data", dest="ned", action='store_true', help="No Extra Data; Do not output clusters or advances")
parser.add_argument("--no-glyph-names", dest="ngn", action='store_true', help="Output glyph indices instead of names")
parser.add_argument("--no-positions", dest="np", action='store_true', help="Do not output glyph positions")
parser.add_argument("--additional", help='Additional information')
parser.add_argument('--features', help='Feature string')
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('-u', help='Unicodes')
group.add_argument('string', metavar='STRING',
help='Text to shape', nargs="?")
args = parser.parse_args(args)
logging.basicConfig(format='%(message)s')
if args.logging:
logging.getLogger("fontFeatures.shaperLib").setLevel(logging.INFO)
if args.logging >= 2:
logging.getLogger("fontFeatures.shaperLib").setLevel(logging.DEBUG)
font = load(args.font)
if args.font.endswith(".ttf") or args.font.endswith(".otf"):
ff = unparse(TTFont(args.font))
if args.u:
args.u = re.sub("[uU]+|0x", "", args.u)
splitup = re.split(r"[\s,]", args.u)
args.string = "".join([chr(int(x,16)) for x in splitup])
buf = Buffer(font, unicodes=args.string)
shaper = Shaper(ff, font)
if args.features:
shaper.execute(buf, features=args.features)
else:
shaper.execute(buf)
serialize_options = {}
if args.ngn:
serialize_options["names"] = False
if args.ned:
serialize_options["ned"] = True
if args.np:
serialize_options["position"] = False
if args.additional:
serialize_options["additional"] = args.additional
if buf.direction == "RTL":
buf.items = list(reversed(buf.items))
print(buf.serialize(**serialize_options))
if __name__ == "__main__":
main()
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