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Diffstat (limited to '')
-rwxr-xr-x | gfx/harfbuzz/src/gen-os2-unicode-ranges.py | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/gen-os2-unicode-ranges.py b/gfx/harfbuzz/src/gen-os2-unicode-ranges.py new file mode 100755 index 0000000000..b1a34d478f --- /dev/null +++ b/gfx/harfbuzz/src/gen-os2-unicode-ranges.py @@ -0,0 +1,50 @@ +#!/usr/bin/env python3 + +"""Generates the code for a sorted unicode range array as used in hb-ot-os2-unicode-ranges.hh +Input is a tab separated list of unicode ranges from the otspec +(https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur). +""" + +import re +import sys + + +print ("""static OS2Range _hb_os2_unicode_ranges[] = +{""") + +args = sys.argv[1:] +input_file = args[0] + +with open (input_file, mode="r", encoding="utf-8") as f: + + all_ranges = [] + current_bit = 0 + while True: + line = f.readline().strip() + if not line: + break + fields = re.split(r'\t+', line) + if len(fields) == 3: + current_bit = fields[0] + fields = fields[1:] + elif len(fields) > 3: + raise Exception("bad input :(.") + + name = fields[0] + ranges = re.split("-", fields[1]) + if len(ranges) != 2: + raise Exception("bad input :(.") + + v = tuple((int(ranges[0], 16), int(ranges[1], 16), int(current_bit), name)) + all_ranges.append(v) + +all_ranges = sorted(all_ranges, key=lambda t: t[0]) + +for ranges in all_ranges: + start = ("0x%X" % ranges[0]).rjust(8) + end = ("0x%X" % ranges[1]).rjust(8) + bit = ("%s" % ranges[2]).rjust(3) + + print (" {%s, %s, %s}, // %s" % (start, end, bit, ranges[3])) + +print ("""};""") |