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scripts: generate-emoji-variation-sequences: don't assume input is sorted

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Daniel Eklöf 2024-06-25 08:23:27 +02:00
parent 9665661445
commit ecb1ca61af
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GPG key ID: 5BBD4992C116573F
1 changed files with 16 additions and 15 deletions
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31
scripts/generate-emoji-variation-sequences.py
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@ -21,7 +21,7 @@ def main():
parser.add_argument('output', type=argparse.FileType('w'))
opts = parser.parse_args()
codepoints: list[Codepoint] = []
codepoints: dict[int, Codepoint] = {}
for line in opts.input:
line = line.rstrip()
@ -36,30 +36,31 @@ def main():
assert vs == 0xfe0e or vs == 0xfe0f
if len(codepoints) == 0 or codepoints[-1].start != cp:
codepoints.append(Codepoint(cp))
else:
assert codepoints[-1].start == cp
if cp not in codepoints:
codepoints[cp] = Codepoint(cp)
assert codepoints[cp].start == cp
if vs == 0xfe0e:
codepoints[-1].vs15 = True
codepoints[cp].vs15 = True
else:
codepoints[-1].vs16 = True
codepoints[cp].vs16 = True
sorted_list = sorted(codepoints.values(), key=lambda cp: cp.start)
compacted_codepoints: list[Codepoint] = []
for i, cp in enumerate(codepoints):
compacted: list[Codepoint] = []
for i, cp in enumerate(sorted_list):
assert cp.end == cp.start
if i == 0:
compacted_codepoints.append(cp)
compacted.append(cp)
continue
last_cp = compacted_codepoints[-1]
last_cp = compacted[-1]
if last_cp.end == cp.start - 1 and last_cp.vs15 == cp.vs15 and last_cp.vs16 == cp.vs16:
compacted_codepoints[-1].end = cp.start
compacted[-1].end = cp.start
else:
compacted_codepoints.append(cp)
compacted.append(cp)
opts.output.write('#pragma once\n')
opts.output.write('#include <stdint.h>\n')
@ -76,9 +77,9 @@ def main():
opts.output.write('#if defined(FOOT_GRAPHEME_CLUSTERING)\n')
opts.output.write('\n')
opts.output.write(f'static const struct emoji_vs emoji_vs[{len(compacted_codepoints)}] = {{\n')
opts.output.write(f'static const struct emoji_vs emoji_vs[{len(compacted)}] = {{\n')
for cp in compacted_codepoints:
for cp in compacted:
opts.output.write(' {\n')
opts.output.write(f' .start = 0x{cp.start:X},\n')
opts.output.write(f' .end = 0x{cp.end:x},\n')