harfbuzz/src/gen-emoji-table.py

65 lines
1.5 KiB
Python
Executable File

#!/usr/bin/python
from __future__ import print_function, division, absolute_import
import sys
import os.path
from collections import OrderedDict
if len (sys.argv) != 2:
print("usage: ./gen-emoji-table.py emoji-data.txt", file=sys.stderr)
sys.exit (1)
f = open(sys.argv[1])
header = [f.readline () for _ in range(10)]
sets = OrderedDict()
for line in f.readlines():
line = line.strip()
if not line or line[0] == '#':
continue
rang, typ = [s.strip() for s in line.split('#')[0].split(';')[:2]]
rang = [int(s, 16) for s in rang.split('..')]
if len(rang) > 1:
start, end = rang
else:
start = end = rang[0]
if typ not in sets:
sets[typ] = set()
sets[typ].add((start, end))
print ("/* == Start of generated table == */")
print ("/*")
print (" * The following tables are generated by running:")
print (" *")
print (" * ./gen-emoji-table.py emoji-data.txt")
print (" *")
print (" * on file with this header:")
print (" *")
for l in header:
print (" * %s" % (l.strip()))
print (" */")
print ()
print ("#ifndef HB_UNICODE_EMOJI_TABLE_HH")
print ("#define HB_UNICODE_EMOJI_TABLE_HH")
print ()
print ('#include "hb-unicode.hh"')
print ()
for typ,s in sets.items():
if typ != "Extended_Pictographic": continue
print()
print("static const struct hb_unicode_range_t _hb_unicode_emoji_%s_table[] =" % typ)
print("{")
for pair in sorted(s):
print(" {0x%04X, 0x%04X}," % pair)
print("};")
print ()
print ("#endif /* HB_UNICODE_EMOJI_TABLE_HH */")
print ()
print ("/* == End of generated table == */")