8000 Unicode 16: Initial support · unicode-rs/unicode-width@6ab41d7 · GitHub
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Jules-BertholetJules-Bertholet
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Unicode 16: Initial support
Includes Kirat Rai normalization behavior.
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‎scripts/unicode.py

Lines changed: 25 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -43,7 +43,7 @@
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from itertools import batched
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from typing import Callable, Iterable
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UNICODE_VERSION = "15.1.0"
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UNICODE_VERSION = "16.0.0"
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"""The version of the Unicode data files to download."""
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NUM_CODEPOINTS = 0x110000
@@ -264,6 +264,12 @@ class WidthState(enum.IntEnum):
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TAG_A6_END_ZWJ_EMOJI_PRESENTATION = 0b0000_0000_0001_1110
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"(\\uE0061..=\\uE007A){6} \\uE007F \\u200D `Emoji_Presentation`"
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# Kirat Rai
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KIRAT_RAI_VOWEL_SIGN_E = 0b0000_0000_0010_0000
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"\\u16D67 (\\u16D67 \\u16D67)+ and canonical equivalents"
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KIRAT_RAI_VOWEL_SIGN_AI = 0b0000_0000_0010_0001
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"(\\u16D68)+ and canonical equivalents"
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# VARIATION SELECTORS
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# Text presentation sequences (not CJK)
@@ -639,6 +645,8 @@ def load_width_maps() -> tuple[list[WidthState], list[WidthState]]:
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([0xA4FD], WidthState.LISU_TONE_LETTER_MYA_NA_JEU),
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([0xFE0F], WidthState.VARIATION_SELECTOR_16),
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([0x10C03], WidthState.OLD_TURKIC_LETTER_ORKHON_I),
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([0x16D67], WidthState.KIRAT_RAI_VOWEL_SIGN_E),
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([0x16D68], WidthState.KIRAT_RAI_VOWEL_SIGN_AI),
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(emoji_presentation, WidthState.EMOJI_PRESENTATION),
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(emoji_modifiers, WidthState.EMOJI_MODIFIER),
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(regional_indicators, WidthState.REGIONAL_INDICATOR),
@@ -1496,6 +1504,22 @@ def lookup_fns(
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return (0, WidthInfo::EMOJI_PRESENTATION)
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}}
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(WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\\u{{16D63}}') => {{
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return (0, WidthInfo::DEFAULT);
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}}
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(WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\\u{{16D67}}') => {{
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return (0, WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI);
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}}
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(WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\\u{{16D68}}') => {{
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return (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_E);
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}}
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(WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\\u{{16D69}}') => {{
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return (0, WidthInfo::DEFAULT);
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}}
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(WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI, '\\u{{16D63}}') => {{
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return (0, WidthInfo::DEFAULT);
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}}
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// Fallback
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_ => {{}}
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}}

‎src/lib.rs

Lines changed: 18 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -65,7 +65,7 @@
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//! - Script-specific ligatures:
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//! - For all the following ligatures, the insertion of any number of [default-ignorable][`Default_Ignorable_Code_Point`]
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//! [combining marks] anywhere in the sequence will not change the total width. In addition, for all non-Arabic
68-
//! ligatures, the insertion of any number of [`'\u{200D}'` ZERO WIDTH JOINER](https://www.unicode.org/versions/Unicode15.0.0/ch23.pdf#G23126)s
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//! ligatures, the insertion of any number of [`'\u{200D}'` ZERO WIDTH JOINER](https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-23/#G23126)s
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//! will not affect the width.
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//! - **[Arabic]**: A character sequence consisting of one character with [`Joining_Group`]`=Lam`,
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//! followed by any number of characters with [`Joining_Type`]`=Transparent`, followed by one character
@@ -75,6 +75,7 @@
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//! - **[Khmer]**: Coeng signs consisting of `'\u{17D2}'` followed by a character in
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//! `'\u{1780}'..='\u{1782}' | '\u{1784}'..='\u{1787}' | '\u{1789}'..='\u{178C}' | '\u{178E}'..='\u{1793}' | '\u{1795}'..='\u{1798}' | '\u{179B}'..='\u{179D}' | '\u{17A0}' | '\u{17A2}' | '\u{17A7}' | '\u{17AB}'..='\u{17AC}' | '\u{17AF}'`
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//! have width 0.
78+
//! - **[Kirat Rai]**: Any sequence canonically equivalent to `\u{16D68}`, `\u{16D69}`, or `\u{16D6A}` has total width 1.
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//! - **[Lisu]**: Tone letter combinations consisting of a character in the range `'\u{A4F8}'..='\u{A4FB}'`
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//! followed by a character in the range `'\u{A4FC}'..='\u{A4FD}'` have width 1. For example: `ꓹꓼ`
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//! - **[Old Turkic]**: `"\u{10C32}\u{200D}\u{10C03}"` (`𐰲‍𐰃`) has total width 1.
@@ -130,18 +131,18 @@
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//! [`'\u{0338}'` COMBINING LONG SOLIDUS OVERLAY]: https://util.unicode.org/UnicodeJsps/character.jsp?a=0338
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//! [`'\u{2D7F}'` TIFINAGH CONSONANT JOINER]: https://util.unicode.org/UnicodeJsps/character.jsp?a=2D7F
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//!
133-
//! [`Canonical_Combining_Class`]: https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf#G50313
134-
//! [`Default_Ignorable_Code_Point`]: https://www.unicode.org/versions/Unicode15.0.0/ch05.pdf#G40095
134+
//! [`Canonical_Combining_Class`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G50313
135+
//! [`Default_Ignorable_Code_Point`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-5/#G40095
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//! [`East_Asian_Width`]: https://www.unicode.org/reports/tr11/#ED1
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//! [`Emoji_Presentation`]: https://unicode.org/reports/tr51/#def_emoji_presentation
137-
//! [`General_Category`]: https://www.unicode.org/versions/Unicode15.0.0/ch04.pdf#G124142
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//! [`General_Category`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-4/#G124142
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//! [`Grapheme_Extend=Prepend`]: https://www.unicode.org/reports/tr29/#Prepend
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//! [`Grapheme_Extend`]: https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf#G52443
140-
//! [`Hangul_Syllable_Type`]: https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf#G45593
140+
//! [`Grapheme_Extend`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G52443
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//! [`Hangul_Syllable_Type`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G45593
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//! [`Joining_Group`]: https://www.unicode.org/versions/Unicode14.0.0/ch09.pdf#G36862
142-
//! [`Joining_Type`]: http://www.unicode.org/versions/Unicode15.0.0/ch09.pdf#G50009
143+
//! [`Joining_Type`]: http://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-9/#G50009
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//! [`Line_Break`]: https://www.unicode.org/reports/tr14/#LD5
144-
//! [`Prepended_Concatenation_Mark`]: https://www.unicode.org/versions/Unicode15.0.0/ch23.pdf#G37908
145+
//! [`Prepended_Concatenation_Mark`]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/c 57AE hapter-23/#G37908
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//! [`Script`]: https://www.unicode.org/reports/tr24/#Script
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//!
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//! [`Fullwidth`]: https://www.unicode.org/reports/tr11/#ED2
@@ -150,7 +151,7 @@
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//!
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//! [`AI`]: https://www.unicode.org/reports/tr14/#AI
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//!
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//! [combining marks]: https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf#G30602
154+
//! [combining marks]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G30602
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//!
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//! [emoji ZWJ sequences]: https://www.unicode.org/reports/tr51/#def_emoji_sequence
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//! [Emoji modifier sequences]: https://www.unicode.org/reports/tr51/#def_emoji_modifier_sequence
@@ -159,13 +160,14 @@
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//!
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//! [Enclosed Ideographic Supplement]: https://unicode.org/charts/nameslist/n_1F200.html
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//!
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//! [Arabic]: https://www.unicode.org/versions/Unicode15.0.0/ch09.pdf#G7480
163-
//! [Buginese]: https://www.unicode.org/versions/Unicode15.0.0/ch17.pdf#G26743
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//! [Hebrew]: https://www.unicode.org/versions/Unicode15.0.0/ch09.pdf#G6528
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//! [Khmer]: https://www.unicode.org/versions/Unicode15.0.0/ch16.pdf#G64642
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//! [Lisu]: https://www.unicode.org/versions/Unicode15.0.0/ch18.pdf#G44587
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//! [Old Turkic]: https://www.unicode.org/versions/Unicode15.0.0/ch14.pdf#G41975
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//! [Tifinagh]: http://www.unicode.org/versions/Unicode15.0.0/ch19.pdf#G43184
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//! [Arabic]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-9/#G7480
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//! [Buginese]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-17/#G26743
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//! [Hebrew]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-9/#G6528
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//! [Khmer]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-16/#G64642
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//! [Kirat Rai]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-13/#G746409
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//! [Lisu]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-18/#G44587
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//! [Old Turkic]: https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-14/#G41975
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//! [Tifinagh]: http://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-19/#G43184
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//!
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//!
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//! ## Canonical equivalence

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