51 lines
1.2 KiB
Python
Executable File
51 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Generates the code for a sorted unicode range array as used in hb-ot-os2-unicode-ranges.hh
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Input is a tab separated list of unicode ranges from the otspec
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(https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur).
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"""
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import re
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import sys
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print ("""static OS2Range _hb_os2_unicode_ranges[] =
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{""")
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args = sys.argv[1:]
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input_file = args[0]
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with open (input_file, mode="r", encoding="utf-8") as f:
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all_ranges = []
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current_bit = 0
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while True:
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line = f.readline().strip()
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if not line:
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break
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fields = re.split(r'\t+', line)
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if len(fields) == 3:
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current_bit = fields[0]
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fields = fields[1:]
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elif len(fields) > 3:
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raise Exception("bad input :(.")
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name = fields[0]
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ranges = re.split("-", fields[1])
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if len(ranges) != 2:
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raise Exception("bad input :(.")
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v = tuple((int(ranges[0], 16), int(ranges[1], 16), int(current_bit), name))
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all_ranges.append(v)
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all_ranges = sorted(all_ranges, key=lambda t: t[0])
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for ranges in all_ranges:
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start = ("0x%X" % ranges[0]).rjust(8)
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end = ("0x%X" % ranges[1]).rjust(8)
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bit = ("%s" % ranges[2]).rjust(3)
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print (" {%s, %s, %s}, // %s" % (start, end, bit, ranges[3]))
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print ("""};""")
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