mirror of
https://github.com/kovidgoyal/kitty.git
synced 2024-09-11 14:45:31 +03:00
601 lines
20 KiB
Python
Executable File
601 lines
20 KiB
Python
Executable File
#!/usr/bin/env python
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# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
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import os
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import re
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import subprocess
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import sys
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from collections import defaultdict
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from contextlib import contextmanager
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from functools import lru_cache, partial
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from html.entities import html5
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from itertools import groupby
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from operator import itemgetter
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from typing import (
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Callable,
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DefaultDict,
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Dict,
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FrozenSet,
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Generator,
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Iterable,
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List,
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Optional,
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Set,
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Tuple,
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Union,
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)
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from urllib.request import urlopen
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if __name__ == '__main__' and not __package__:
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import __main__
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__main__.__package__ = 'gen'
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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non_characters = frozenset(range(0xfffe, 0x10ffff, 0x10000))
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non_characters |= frozenset(range(0xffff, 0x10ffff + 1, 0x10000))
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non_characters |= frozenset(range(0xfdd0, 0xfdf0))
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if len(non_characters) != 66:
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raise SystemExit('non_characters table incorrect')
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emoji_skin_tone_modifiers = frozenset(range(0x1f3fb, 0x1F3FF + 1))
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def get_data(fname: str, folder: str = 'UCD') -> Iterable[str]:
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url = f'https://www.unicode.org/Public/{folder}/latest/{fname}'
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bn = os.path.basename(url)
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local = os.path.join('/tmp', bn)
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if os.path.exists(local):
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with open(local, 'rb') as f:
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data = f.read()
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else:
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data = urlopen(url).read()
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with open(local, 'wb') as f:
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f.write(data)
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for line in data.decode('utf-8').splitlines():
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line = line.strip()
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if line and not line.startswith('#'):
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yield line
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@lru_cache(maxsize=2)
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def unicode_version() -> Tuple[int, int, int]:
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for line in get_data("ReadMe.txt"):
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m = re.search(r'Version\s+(\d+)\.(\d+)\.(\d+)', line)
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if m is not None:
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return int(m.group(1)), int(m.group(2)), int(m.group(3))
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raise ValueError('Could not find Unicode Version')
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# Map of class names to set of codepoints in class
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class_maps: Dict[str, Set[int]] = {}
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all_symbols: Set[int] = set()
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name_map: Dict[int, str] = {}
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word_search_map: DefaultDict[str, Set[int]] = defaultdict(set)
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soft_hyphen = 0xad
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flag_codepoints = frozenset(range(0x1F1E6, 0x1F1E6 + 26))
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# See https://github.com/harfbuzz/harfbuzz/issues/169
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marks = set(emoji_skin_tone_modifiers) | flag_codepoints
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not_assigned = set(range(0, sys.maxunicode))
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property_maps: Dict[str, Set[int]] = defaultdict(set)
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def parse_prop_list() -> None:
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global marks
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for line in get_data('ucd/PropList.txt'):
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if line.startswith('#'):
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continue
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cp_or_range, rest = line.split(';', 1)
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chars = parse_range_spec(cp_or_range.strip())
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name = rest.strip().split()[0]
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property_maps[name] |= chars
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# see https://www.unicode.org/faq/unsup_char.html#3
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marks |= property_maps['Other_Default_Ignorable_Code_Point']
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def parse_ucd() -> None:
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def add_word(w: str, c: int) -> None:
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if c <= 32 or c == 127 or 128 <= c <= 159:
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return
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if len(w) > 1:
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word_search_map[w.lower()].add(c)
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first: Optional[int] = None
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for word, c in html5.items():
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if len(c) == 1:
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add_word(word.rstrip(';'), ord(c))
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word_search_map['nnbsp'].add(0x202f)
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for line in get_data('ucd/UnicodeData.txt'):
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parts = [x.strip() for x in line.split(';')]
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codepoint = int(parts[0], 16)
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name = parts[1] or parts[10]
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if name == '<control>':
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name = parts[10]
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if name:
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name_map[codepoint] = name
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for word in name.lower().split():
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add_word(word, codepoint)
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category = parts[2]
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s = class_maps.setdefault(category, set())
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desc = parts[1]
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codepoints: Union[Tuple[int, ...], Iterable[int]] = (codepoint,)
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if first is None:
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if desc.endswith(', First>'):
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first = codepoint
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continue
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else:
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codepoints = range(first, codepoint + 1)
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first = None
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for codepoint in codepoints:
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s.add(codepoint)
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not_assigned.discard(codepoint)
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if category.startswith('M'):
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marks.add(codepoint)
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elif category.startswith('S'):
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all_symbols.add(codepoint)
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elif category == 'Cf':
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# we add Cf to marks as it contains things like tags and zero
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# width chars. Not sure if *all* of Cf should be treated as
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# combining chars, might need to add individual exceptions in
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# the future.
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marks.add(codepoint)
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with open('gen/nerd-fonts-glyphs.txt') as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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code, category, name = line.split(' ', 2)
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codepoint = int(code, 16)
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if name and codepoint not in name_map:
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name_map[codepoint] = name.upper()
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for word in name.lower().split():
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add_word(word, codepoint)
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# Some common synonyms
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word_search_map['bee'] |= word_search_map['honeybee']
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word_search_map['lambda'] |= word_search_map['lamda']
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word_search_map['lamda'] |= word_search_map['lambda']
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word_search_map['diamond'] |= word_search_map['gem']
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def parse_range_spec(spec: str) -> Set[int]:
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spec = spec.strip()
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if '..' in spec:
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chars_ = tuple(map(lambda x: int(x, 16), filter(None, spec.split('.'))))
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chars = set(range(chars_[0], chars_[1] + 1))
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else:
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chars = {int(spec, 16)}
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return chars
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def split_two(line: str) -> Tuple[Set[int], str]:
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spec, rest = line.split(';', 1)
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spec, rest = spec.strip(), rest.strip().split(' ', 1)[0].strip()
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return parse_range_spec(spec), rest
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all_emoji: Set[int] = set()
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emoji_presentation_bases: Set[int] = set()
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narrow_emoji: Set[int] = set()
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wide_emoji: Set[int] = set()
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flags: Dict[int, List[int]] = {}
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def parse_basic_emoji(spec: str) -> None:
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parts = list(filter(None, spec.split()))
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has_emoji_presentation = len(parts) < 2
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chars = parse_range_spec(parts[0])
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all_emoji.update(chars)
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emoji_presentation_bases.update(chars)
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(wide_emoji if has_emoji_presentation else narrow_emoji).update(chars)
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def parse_keycap_sequence(spec: str) -> None:
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base, fe0f, cc = list(filter(None, spec.split()))
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chars = parse_range_spec(base)
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all_emoji.update(chars)
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emoji_presentation_bases.update(chars)
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narrow_emoji.update(chars)
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def parse_flag_emoji_sequence(spec: str) -> None:
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a, b = list(filter(None, spec.split()))
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left, right = int(a, 16), int(b, 16)
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chars = {left, right}
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all_emoji.update(chars)
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wide_emoji.update(chars)
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emoji_presentation_bases.update(chars)
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flags.setdefault(left, []).append(right)
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def parse_emoji_tag_sequence(spec: str) -> None:
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a = int(spec.split()[0], 16)
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all_emoji.add(a)
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wide_emoji.add(a)
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emoji_presentation_bases.add(a)
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def parse_emoji_modifier_sequence(spec: str) -> None:
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a, b = list(filter(None, spec.split()))
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char, mod = int(a, 16), int(b, 16)
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mod
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all_emoji.add(char)
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wide_emoji.add(char)
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emoji_presentation_bases.add(char)
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def parse_emoji() -> None:
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for line in get_data('emoji-sequences.txt', 'emoji'):
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parts = [x.strip() for x in line.split(';')]
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if len(parts) < 2:
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continue
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data, etype = parts[:2]
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if etype == 'Basic_Emoji':
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parse_basic_emoji(data)
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elif etype == 'Emoji_Keycap_Sequence':
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parse_keycap_sequence(data)
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elif etype == 'RGI_Emoji_Flag_Sequence':
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parse_flag_emoji_sequence(data)
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elif etype == 'RGI_Emoji_Tag_Sequence':
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parse_emoji_tag_sequence(data)
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elif etype == 'RGI_Emoji_Modifier_Sequence':
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parse_emoji_modifier_sequence(data)
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doublewidth: Set[int] = set()
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ambiguous: Set[int] = set()
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def parse_eaw() -> None:
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global doublewidth, ambiguous
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seen: Set[int] = set()
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for line in get_data('ucd/EastAsianWidth.txt'):
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chars, eaw = split_two(line)
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if eaw == 'A':
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ambiguous |= chars
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seen |= chars
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elif eaw in ('W', 'F'):
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doublewidth |= chars
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seen |= chars
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doublewidth |= set(range(0x3400, 0x4DBF + 1)) - seen
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doublewidth |= set(range(0x4E00, 0x9FFF + 1)) - seen
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doublewidth |= set(range(0xF900, 0xFAFF + 1)) - seen
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doublewidth |= set(range(0x20000, 0x2FFFD + 1)) - seen
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doublewidth |= set(range(0x30000, 0x3FFFD + 1)) - seen
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def get_ranges(items: List[int]) -> Generator[Union[int, Tuple[int, int]], None, None]:
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items.sort()
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for k, g in groupby(enumerate(items), lambda m: m[0]-m[1]):
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group = tuple(map(itemgetter(1), g))
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a, b = group[0], group[-1]
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if a == b:
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yield a
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else:
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yield a, b
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def write_case(spec: Union[Tuple[int, ...], int], p: Callable[..., None], for_go: bool = False) -> None:
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if isinstance(spec, tuple):
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if for_go:
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v = ', '.join(f'0x{x:x}' for x in range(spec[0], spec[1] + 1))
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p(f'\t\tcase {v}:')
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else:
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p('\t\tcase 0x{:x} ... 0x{:x}:'.format(*spec))
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else:
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p(f'\t\tcase 0x{spec:x}:')
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@contextmanager
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def create_header(path: str, include_data_types: bool = True) -> Generator[Callable[..., None], None, None]:
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with open(path, 'w') as f:
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p = partial(print, file=f)
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p('// Unicode data, built from the Unicode Standard', '.'.join(map(str, unicode_version())))
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p(f'// Code generated by {os.path.basename(__file__)}, DO NOT EDIT.', end='\n\n')
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if path.endswith('.h'):
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p('#pragma once')
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if include_data_types:
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p('#include "data-types.h"\n')
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p('START_ALLOW_CASE_RANGE')
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p()
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yield p
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p()
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if include_data_types:
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p('END_ALLOW_CASE_RANGE')
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def gen_emoji() -> None:
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with create_header('kitty/emoji.h') as p:
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p('static inline bool\nis_emoji(char_type code) {')
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p('\tswitch(code) {')
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for spec in get_ranges(list(all_emoji)):
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write_case(spec, p)
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p('\t\t\treturn true;')
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p('\t\tdefault: return false;')
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p('\t}')
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p('\treturn false;\n}')
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p('static inline bool\nis_symbol(char_type code) {')
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p('\tswitch(code) {')
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for spec in get_ranges(list(all_symbols)):
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write_case(spec, p)
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p('\t\t\treturn true;')
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p('\t\tdefault: return false;')
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p('\t}')
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p('\treturn false;\n}')
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def category_test(
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name: str,
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p: Callable[..., None],
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classes: Iterable[str],
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comment: str,
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use_static: bool = False,
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extra_chars: Union[FrozenSet[int], Set[int]] = frozenset(),
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exclude: Union[Set[int], FrozenSet[int]] = frozenset(),
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least_check_return: Optional[str] = None,
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ascii_range: Optional[str] = None
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) -> None:
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static = 'static inline ' if use_static else ''
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chars: Set[int] = set()
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for c in classes:
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chars |= class_maps[c]
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chars |= extra_chars
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chars -= exclude
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p(f'{static}bool\n{name}(char_type code) {{')
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p(f'\t// {comment} ({len(chars)} codepoints)' + ' {{' '{')
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if least_check_return is not None:
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least = min(chars)
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p(f'\tif (LIKELY(code < {least})) return {least_check_return};')
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if ascii_range is not None:
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p(f'\tif (LIKELY(0x20 <= code && code <= 0x7e)) return {ascii_range};')
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p('\tswitch(code) {')
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for spec in get_ranges(list(chars)):
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write_case(spec, p)
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p('\t\t\treturn true;')
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p('\t} // }}}\n')
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p('\treturn false;\n}\n')
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def codepoint_to_mark_map(p: Callable[..., None], mark_map: List[int]) -> Dict[int, int]:
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p('\tswitch(c) { // {{{')
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rmap = {c: m for m, c in enumerate(mark_map)}
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for spec in get_ranges(mark_map):
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if isinstance(spec, tuple):
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s = rmap[spec[0]]
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cases = ' '.join(f'case {i}:' for i in range(spec[0], spec[1]+1))
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p(f'\t\t{cases} return {s} + c - {spec[0]};')
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else:
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p(f'\t\tcase {spec}: return {rmap[spec]};')
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p('default: return 0;')
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p('\t} // }}}')
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return rmap
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def classes_to_regex(classes: Iterable[str], exclude: str = '', for_go: bool = True) -> Iterable[str]:
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chars: Set[int] = set()
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for c in classes:
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chars |= class_maps[c]
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for x in map(ord, exclude):
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chars.discard(x)
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if for_go:
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def as_string(codepoint: int) -> str:
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if codepoint < 256:
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return fr'\x{codepoint:02x}'
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return fr'\x{{{codepoint:x}}}'
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else:
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def as_string(codepoint: int) -> str:
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if codepoint < 256:
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return fr'\x{codepoint:02x}'
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if codepoint <= 0xffff:
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return fr'\u{codepoint:04x}'
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return fr'\U{codepoint:08x}'
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for spec in get_ranges(list(chars)):
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if isinstance(spec, tuple):
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yield '{}-{}'.format(*map(as_string, (spec[0], spec[1])))
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else:
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yield as_string(spec)
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def gen_ucd() -> None:
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cz = {c for c in class_maps if c[0] in 'CZ'}
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with create_header('kitty/unicode-data.c') as p:
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p('#include "unicode-data.h"')
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p('START_ALLOW_CASE_RANGE')
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category_test(
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'is_combining_char', p,
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(),
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'Combining and default ignored characters',
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extra_chars=marks,
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least_check_return='false'
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)
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category_test(
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'is_ignored_char', p, 'Cc Cs'.split(),
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'Control characters and non-characters',
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extra_chars=non_characters,
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ascii_range='false'
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)
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category_test(
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'is_non_rendered_char', p, 'Cc Cs Cf'.split(),
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'Other_Default_Ignorable_Code_Point and soft hyphen',
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extra_chars=property_maps['Other_Default_Ignorable_Code_Point'] | set(range(0xfe00, 0xfe0f + 1)),
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ascii_range='false'
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)
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category_test('is_word_char', p, {c for c in class_maps if c[0] in 'LN'}, 'L and N categories')
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category_test('is_CZ_category', p, cz, 'C and Z categories')
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category_test('is_P_category', p, {c for c in class_maps if c[0] == 'P'}, 'P category (punctuation)')
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mark_map = [0] + list(sorted(marks))
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p('char_type codepoint_for_mark(combining_type m) {')
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p(f'\tstatic char_type map[{len(mark_map)}] =', '{', ', '.join(map(str, mark_map)), '}; // {{{ mapping }}}')
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p('\tif (m < arraysz(map)) return map[m];')
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p('\treturn 0;')
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p('}\n')
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p('combining_type mark_for_codepoint(char_type c) {')
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rmap = codepoint_to_mark_map(p, mark_map)
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p('}\n')
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with open('kitty/unicode-data.h', 'r+') as f:
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raw = f.read()
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f.seek(0)
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raw, num = re.subn(
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r'^// START_KNOWN_MARKS.+?^// END_KNOWN_MARKS',
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'// START_KNOWN_MARKS\nstatic const combining_type '
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f'VS15 = {rmap[0xfe0e]}, VS16 = {rmap[0xfe0f]};'
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'\n// END_KNOWN_MARKS', raw, flags=re.MULTILINE | re.DOTALL)
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if not num:
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raise SystemExit('Faile dto patch mark definitions in unicode-data.h')
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f.truncate()
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f.write(raw)
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def gen_names() -> None:
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aliases_map: Dict[int, Set[str]] = {}
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for word, codepoints in word_search_map.items():
|
|
for cp in codepoints:
|
|
aliases_map.setdefault(cp, set()).add(word)
|
|
if len(name_map) > 0xffff:
|
|
raise Exception('Too many named codepoints')
|
|
with open('tools/unicode_names/names.txt', 'w') as f:
|
|
print(len(name_map), len(word_search_map), file=f)
|
|
for cp in sorted(name_map):
|
|
name = name_map[cp]
|
|
words = name.lower().split()
|
|
aliases = aliases_map.get(cp, set()) - set(words)
|
|
end = '\n'
|
|
if aliases:
|
|
end = '\t' + ' '.join(sorted(aliases)) + end
|
|
print(cp, *words, end=end, file=f)
|
|
|
|
|
|
def gen_wcwidth() -> None:
|
|
seen: Set[int] = set()
|
|
non_printing = class_maps['Cc'] | class_maps['Cf'] | class_maps['Cs']
|
|
|
|
def add(p: Callable[..., None], comment: str, chars_: Union[Set[int], FrozenSet[int]], ret: int, for_go: bool = False) -> None:
|
|
chars = chars_ - seen
|
|
seen.update(chars)
|
|
p(f'\t\t// {comment} ({len(chars)} codepoints)' + ' {{' '{')
|
|
for spec in get_ranges(list(chars)):
|
|
write_case(spec, p, for_go)
|
|
p(f'\t\t\treturn {ret};')
|
|
p('\t\t// }}}\n')
|
|
|
|
def add_all(p: Callable[..., None], for_go: bool = False) -> None:
|
|
seen.clear()
|
|
add(p, 'Flags', flag_codepoints, 2, for_go)
|
|
add(p, 'Marks', marks | {0}, 0, for_go)
|
|
add(p, 'Non-printing characters', non_printing, -1, for_go)
|
|
add(p, 'Private use', class_maps['Co'], -3, for_go)
|
|
add(p, 'Text Presentation', narrow_emoji, 1, for_go)
|
|
add(p, 'East Asian ambiguous width', ambiguous, -2, for_go)
|
|
add(p, 'East Asian double width', doublewidth, 2, for_go)
|
|
add(p, 'Emoji Presentation', wide_emoji, 2, for_go)
|
|
|
|
add(p, 'Not assigned in the unicode character database', not_assigned, -4, for_go)
|
|
|
|
p('\t\tdefault:\n\t\t\treturn 1;')
|
|
p('\t}')
|
|
if for_go:
|
|
p('\t}')
|
|
else:
|
|
p('\treturn 1;\n}')
|
|
|
|
with create_header('kitty/wcwidth-std.h') as p, open('tools/wcswidth/std.go', 'w') as gof:
|
|
gop = partial(print, file=gof)
|
|
gop('package wcswidth\n\n')
|
|
gop('func Runewidth(code rune) int {')
|
|
p('static inline int\nwcwidth_std(int32_t code) {')
|
|
p('\tif (LIKELY(0x20 <= code && code <= 0x7e)) { return 1; }')
|
|
p('\tswitch(code) {')
|
|
gop('\tswitch(code) {')
|
|
add_all(p)
|
|
add_all(gop, True)
|
|
|
|
p('static inline bool\nis_emoji_presentation_base(uint32_t code) {')
|
|
gop('func IsEmojiPresentationBase(code rune) bool {')
|
|
p('\tswitch(code) {')
|
|
gop('\tswitch(code) {')
|
|
for spec in get_ranges(list(emoji_presentation_bases)):
|
|
write_case(spec, p)
|
|
write_case(spec, gop, for_go=True)
|
|
p('\t\t\treturn true;')
|
|
gop('\t\t\treturn true;')
|
|
p('\t\tdefault: return false;')
|
|
p('\t}')
|
|
gop('\t\tdefault:\n\t\t\treturn false')
|
|
gop('\t}')
|
|
p('\treturn true;\n}')
|
|
gop('\n}')
|
|
uv = unicode_version()
|
|
p(f'#define UNICODE_MAJOR_VERSION {uv[0]}')
|
|
p(f'#define UNICODE_MINOR_VERSION {uv[1]}')
|
|
p(f'#define UNICODE_PATCH_VERSION {uv[2]}')
|
|
gop('var UnicodeDatabaseVersion [3]int = [3]int{' f'{uv[0]}, {uv[1]}, {uv[2]}' + '}')
|
|
subprocess.check_call(['gofmt', '-w', '-s', gof.name])
|
|
|
|
|
|
def gen_rowcolumn_diacritics() -> None:
|
|
# codes of all row/column diacritics
|
|
codes = []
|
|
with open("gen/rowcolumn-diacritics.txt") as file:
|
|
for line in file.readlines():
|
|
if line.startswith('#'):
|
|
continue
|
|
code = int(line.split(";")[0], 16)
|
|
codes.append(code)
|
|
|
|
go_file = 'tools/utils/images/rowcolumn_diacritics.go'
|
|
with create_header('kitty/rowcolumn-diacritics.c') as p, create_header(go_file, include_data_types=False) as g:
|
|
p('int diacritic_to_num(char_type code) {')
|
|
p('\tswitch (code) {')
|
|
g('package images')
|
|
g(f'var NumberToDiacritic = [{len(codes)}]rune''{')
|
|
g(', '.join(f'0x{x:x}' for x in codes) + ',')
|
|
g('}')
|
|
|
|
range_start_num = 1
|
|
range_start = 0
|
|
range_end = 0
|
|
|
|
def print_range() -> None:
|
|
if range_start >= range_end:
|
|
return
|
|
write_case((range_start, range_end), p)
|
|
p('\t\treturn code - ' + hex(range_start) + ' + ' +
|
|
str(range_start_num) + ';')
|
|
|
|
for code in codes:
|
|
if range_end == code:
|
|
range_end += 1
|
|
else:
|
|
print_range()
|
|
range_start_num += range_end - range_start
|
|
range_start = code
|
|
range_end = code + 1
|
|
print_range()
|
|
|
|
p('\t}')
|
|
p('\treturn 0;')
|
|
p('}')
|
|
subprocess.check_call(['gofmt', '-w', '-s', go_file])
|
|
|
|
|
|
def main(args: List[str]=sys.argv) -> None:
|
|
parse_ucd()
|
|
parse_prop_list()
|
|
parse_emoji()
|
|
parse_eaw()
|
|
gen_ucd()
|
|
gen_wcwidth()
|
|
gen_emoji()
|
|
gen_names()
|
|
gen_rowcolumn_diacritics()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
import runpy
|
|
m = runpy.run_path(os.path.dirname(os.path.abspath(__file__)))
|
|
m['main']([sys.executable, 'wcwidth'])
|