// Copyright 2012-2025 The Rust Project Developers. See the COPYRIGHT

// file at the top-level directory of this distribution and at

// http://rust-lang.org/COPYRIGHT.

//

// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or

// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license

// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your

// option. This file may not be copied, modified, or distributed

// except according to those terms.

// NOTE: The following code was generated by "scripts/unicode.py", do not edit directly

use core::cmp::Ordering;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]

struct WidthInfo(u16);

const LIGATURE_TRANSPARENT_MASK: u16 = 0b0010_0000_0000_0000;

impl WidthInfo {

    /// No special handling necessary

    const DEFAULT: Self = Self(0);

    const LINE_FEED: Self = Self(0b0000000000000001);

    const EMOJI_MODIFIER: Self = Self(0b0000000000000010);

    const REGIONAL_INDICATOR: Self = Self(0b0000000000000011);

    const SEVERAL_REGIONAL_INDICATOR: Self = Self(0b0000000000000100);

    const EMOJI_PRESENTATION: Self = Self(0b0000000000000101);

    const ZWJ_EMOJI_PRESENTATION: Self = Self(0b0001000000000110);

    const VS16_ZWJ_EMOJI_PRESENTATION: Self = Self(0b1001000000000110);

    const KEYCAP_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0001000000000111);

    const VS16_KEYCAP_ZWJ_EMOJI_PRESENTATION: Self = Self(0b1001000000000111);

    const REGIONAL_INDICATOR_ZWJ_PRESENTATION: Self = Self(0b0000000000001001);

    const EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION: Self = Self(0b0000000000001010);

    const ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION: Self = Self(0b0000000000001011);

    const TAG_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000010000);

    const TAG_D1_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000010001);

    const TAG_D2_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000010010);

    const TAG_D3_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000010011);

    const TAG_A1_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011001);

    const TAG_A2_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011010);

    const TAG_A3_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011011);

    const TAG_A4_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011100);

    const TAG_A5_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011101);

    const TAG_A6_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011110);

    const KIRAT_RAI_VOWEL_SIGN_E: Self = Self(0b0000000000100000);

    const KIRAT_RAI_VOWEL_SIGN_AI: Self = Self(0b0000000000100001);

    const VARIATION_SELECTOR_1_2_OR_3: Self = Self(0b0000001000000000);

    const VARIATION_SELECTOR_15: Self = Self(0b0100000000000000);

    const VARIATION_SELECTOR_16: Self = Self(0b1000000000000000);

    const JOINING_GROUP_ALEF: Self = Self(0b0011000011111111);

    #[cfg(feature = "cjk")]

    const COMBINING_LONG_SOLIDUS_OVERLAY: Self = Self(0b0011110011111111);

    #[cfg(feature = "cjk")]

    const SOLIDUS_OVERLAY_ALEF: Self = Self(0b0011100011111111);

    const HEBREW_LETTER_LAMED: Self = Self(0b0011100000000000);

    const ZWJ_HEBREW_LETTER_LAMED: Self = Self(0b0011110000000000);

    const BUGINESE_LETTER_YA: Self = Self(0b0011100000000001);

    const ZWJ_BUGINESE_LETTER_YA: Self = Self(0b0011110000000001);

    const BUGINESE_VOWEL_SIGN_I_ZWJ_LETTER_YA: Self = Self(0b0011110000000010);

    const TIFINAGH_CONSONANT: Self = Self(0b0011100000000011);

    const ZWJ_TIFINAGH_CONSONANT: Self = Self(0b0011110000000011);

    const TIFINAGH_JOINER_CONSONANT: Self = Self(0b0011110000000100);

    const LISU_TONE_LETTER_MYA_NA_JEU: Self = Self(0b0011110000000101);

    const OLD_TURKIC_LETTER_ORKHON_I: Self = Self(0b0011100000000110);

    const ZWJ_OLD_TURKIC_LETTER_ORKHON_I: Self = Self(0b0011110000000110);

    const KHMER_COENG_ELIGIBLE_LETTER: Self = Self(0b0011110000000111);

    /// Whether this width mode is ligature_transparent

    /// (has 5th MSB set.)

    fn is_ligature_transparent(self) -> bool {

        (self.0 & 0b0000_1000_0000_0000) == 0b0000_1000_0000_0000

    }

    /// Sets 6th MSB.

    fn set_zwj_bit(self) -> Self {

        Self(self.0 | 0b0000_0100_0000_0000)

    }

    /// Has top bit set

    fn is_emoji_presentation(self) -> bool {

        (self.0 & WidthInfo::VARIATION_SELECTOR_16.0) == WidthInfo::VARIATION_SELECTOR_16.0

    }

    fn is_zwj_emoji_presentation(self) -> bool {

        (self.0 & 0b1011_0000_0000_0000) == 0b1001_0000_0000_0000

    }

    /// Set top bit

    fn set_emoji_presentation(self) -> Self {

        if (self.0 & LIGATURE_TRANSPARENT_MASK) == LIGATURE_TRANSPARENT_MASK

            || (self.0 & 0b1001_0000_0000_0000) == 0b0001_0000_0000_0000

        {

            Self(

                self.0

                    | WidthInfo::VARIATION_SELECTOR_16.0

                        & !WidthInfo::VARIATION_SELECTOR_15.0

                        & !WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0,

            )

        } else {

            Self::VARIATION_SELECTOR_16

        }

    }

    /// Clear top bit

    fn unset_emoji_presentation(self) -> Self {

        if (self.0 & LIGATURE_TRANSPARENT_MASK) == LIGATURE_TRANSPARENT_MASK {

            Self(self.0 & !WidthInfo::VARIATION_SELECTOR_16.0)

        } else {

            Self::DEFAULT

        }

    }

    /// Has 2nd bit set

    fn is_text_presentation(self) -> bool {

        (self.0 & WidthInfo::VARIATION_SELECTOR_15.0) == WidthInfo::VARIATION_SELECTOR_15.0

    }

    /// Set 2nd bit

    fn set_text_presentation(self) -> Self {

        if (self.0 & LIGATURE_TRANSPARENT_MASK) == LIGATURE_TRANSPARENT_MASK {

            Self(

                self.0

                    | WidthInfo::VARIATION_SELECTOR_15.0

                        & !WidthInfo::VARIATION_SELECTOR_16.0

                        & !WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0,

            )

        } else {

            Self(WidthInfo::VARIATION_SELECTOR_15.0)

        }

    }

    /// Clear 2nd bit

    fn unset_text_presentation(self) -> Self {

        Self(self.0 & !WidthInfo::VARIATION_SELECTOR_15.0)

    }

    /// Has 7th bit set

    fn is_vs1_2_3(self) -> bool {

        (self.0 & WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0)

            == WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0

    }

    /// Set 7th bit

    fn set_vs1_2_3(self) -> Self {

        if (self.0 & LIGATURE_TRANSPARENT_MASK) == LIGATURE_TRANSPARENT_MASK {

            Self(

                self.0

                    | WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0

                        & !WidthInfo::VARIATION_SELECTOR_15.0

                        & !WidthInfo::VARIATION_SELECTOR_16.0,

            )

        } else {

            Self(WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0)

        }

    }

    /// Clear 7th bit

    fn unset_vs1_2_3(self) -> Self {

        Self(self.0 & !WidthInfo::VARIATION_SELECTOR_1_2_OR_3.0)

    }

}

/// The version of [Unicode](http://www.unicode.org/)

/// that this version of unicode-width is based on.

pub const UNICODE_VERSION: (u8, u8, u8) = (17, 0, 0);

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c` by

/// consulting a multi-level lookup table.

///

/// # Maintenance

/// The tables themselves are autogenerated but this function is hardcoded. You should have

/// nothing to worry about if you re-run `unicode.py` (for example, when updating Unicode.)

/// However, if you change the *actual structure* of the lookup tables (perhaps by editing the

/// `make_tables` function in `unicode.py`) you must ensure that this code reflects those changes.

#[inline]

fn lookup_width(c: char) -> (u8, WidthInfo) {

    let cp = c as usize;

    let t1_offset = WIDTH_ROOT.0[cp >> 13];

    // Each sub-table in WIDTH_MIDDLE is 7 bits, and each stored entry is a byte,

    // so each sub-table is 128 bytes in size.

    // (Sub-tables are selected using the computed offset from the previous table.)

    let t2_offset = WIDTH_MIDDLE.0[usize::from(t1_offset)][cp >> 7 & 0x3F];

    // Each sub-table in WIDTH_LEAVES is 6 bits, but each stored entry is 2 bits.

    // This is accomplished by packing four stored entries into one byte.

    // So each sub-table is 2**(7-2) == 32 bytes in size.

    // Since this is the last table, each entry represents an encoded width.

    let packed_widths = WIDTH_LEAVES.0[usize::from(t2_offset)][cp >> 2 & 0x1F];

    // Extract the packed width

    let width = packed_widths >> (2 * (cp & 0b11)) & 0b11;

    if width < 3 {

        (width, WidthInfo::DEFAULT)

    } else {

        match c {

            '\u{A}' => (1, WidthInfo::LINE_FEED),

            '\u{5DC}' => (1, WidthInfo::HEBREW_LETTER_LAMED),

            '\u{622}'..='\u{882}' => (1, WidthInfo::JOINING_GROUP_ALEF),

            '\u{1780}'..='\u{17AF}' => (1, WidthInfo::KHMER_COENG_ELIGIBLE_LETTER),

            '\u{17D8}' => (3, WidthInfo::DEFAULT),

            '\u{1A10}' => (1, WidthInfo::BUGINESE_LETTER_YA),

            '\u{2D31}'..='\u{2D6F}' => (1, WidthInfo::TIFINAGH_CONSONANT),

            '\u{A4FC}'..='\u{A4FD}' => (1, WidthInfo::LISU_TONE_LETTER_MYA_NA_JEU),

            '\u{FE01}' => (0, WidthInfo::VARIATION_SELECTOR_1_2_OR_3),

            '\u{FE0E}' => (0, WidthInfo::VARIATION_SELECTOR_15),

            '\u{FE0F}' => (0, WidthInfo::VARIATION_SELECTOR_16),

            '\u{10C03}' => (1, WidthInfo::OLD_TURKIC_LETTER_ORKHON_I),

            '\u{16D67}' => (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_E),

            '\u{16D68}' => (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI),

            '\u{1F1E6}'..='\u{1F1FF}' => (1, WidthInfo::REGIONAL_INDICATOR),

            '\u{1F3FB}'..='\u{1F3FF}' => (2, WidthInfo::EMOJI_MODIFIER),

            _ => (2, WidthInfo::EMOJI_PRESENTATION),

        }

    }

}

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c`, or

/// `None` if `c` is a control character.

/// Ambiguous width characters are treated as narrow.

#[inline]

pub fn single_char_width(c: char) -> Option<usize> {

    if c < '\u{7F}' {

        if c >= '\u{20}' {

            // U+0020 to U+007F (exclusive) are single-width ASCII codepoints

            Some(1)

        } else {

            // U+0000 to U+0020 (exclusive) are control codes

            None

        }

    } else if c >= '\u{A0}' {

        // No characters >= U+00A0 are control codes, so we can consult the lookup tables

        Some(lookup_width(c).0.into())

    } else {

        // U+007F to U+00A0 (exclusive) are control codes

        None

    }

}

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c`.

/// Ambiguous width characters are treated as narrow.

#[inline]

fn width_in_str(c: char, mut next_info: WidthInfo) -> (i8, WidthInfo) {

    if next_info.is_emoji_presentation() {

        if starts_emoji_presentation_seq(c) {

            let width = if next_info.is_zwj_emoji_presentation() {

                0

            } else {

                2

            };

            return (width, WidthInfo::EMOJI_PRESENTATION);

        } else {

            next_info = next_info.unset_emoji_presentation();

        }

    }

    if c <= '\u{A0}' {

        match c {

            '\n' => (1, WidthInfo::LINE_FEED),

            '\r' if next_info == WidthInfo::LINE_FEED => (0, WidthInfo::DEFAULT),

            _ => (1, WidthInfo::DEFAULT),

        }

    } else {

        // Fast path

        if next_info != WidthInfo::DEFAULT {

            if c == '\u{FE0F}' {

                return (0, next_info.set_emoji_presentation());

            }

            if c == '\u{FE01}' {

                return (0, next_info.set_vs1_2_3());

            }

            if c == '\u{FE0E}' {

                return (0, next_info.set_text_presentation());

            }

            if next_info.is_text_presentation() {

                if starts_non_ideographic_text_presentation_seq(c) {

                    return (1, WidthInfo::DEFAULT);

                } else {

                    next_info = next_info.unset_text_presentation();

                }

            } else if next_info.is_vs1_2_3() {

                if matches!(c, '\u{2018}' | '\u{2019}' | '\u{201C}' | '\u{201D}') {

                    return (2, WidthInfo::DEFAULT);

                } else {

                    next_info = next_info.unset_vs1_2_3();

                }

            }

            if next_info.is_ligature_transparent() {

                if c == '\u{200D}' {

                    return (0, next_info.set_zwj_bit());

                } else if is_ligature_transparent(c) {

                    return (0, next_info);

                }

            }

            match (next_info, c) {

                // Arabic Lam-Alef ligature

                (

                    WidthInfo::JOINING_GROUP_ALEF,

                    '\u{644}' | '\u{6B5}'..='\u{6B8}' | '\u{76A}' | '\u{8A6}' | '\u{8C7}',

                ) => return (0, WidthInfo::DEFAULT),

                (WidthInfo::JOINING_GROUP_ALEF, _) if is_transparent_zero_width(c) => {

                    return (0, WidthInfo::JOINING_GROUP_ALEF);

                }

                // Hebrew Alef-ZWJ-Lamed ligature

                (WidthInfo::ZWJ_HEBREW_LETTER_LAMED, '\u{05D0}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Khmer coeng signs

                (WidthInfo::KHMER_COENG_ELIGIBLE_LETTER, '\u{17D2}') => {

                    return (-1, WidthInfo::DEFAULT);

                }

                // Buginese <a, -i> ZWJ ya ligature

                (WidthInfo::ZWJ_BUGINESE_LETTER_YA, '\u{1A17}') => {

                    return (0, WidthInfo::BUGINESE_VOWEL_SIGN_I_ZWJ_LETTER_YA)

                }

                (WidthInfo::BUGINESE_VOWEL_SIGN_I_ZWJ_LETTER_YA, '\u{1A15}') => {

                    return (0, WidthInfo::DEFAULT)

                }

                // Tifinagh bi-consonants

                (WidthInfo::TIFINAGH_CONSONANT | WidthInfo::ZWJ_TIFINAGH_CONSONANT, '\u{2D7F}') => {

                    return (1, WidthInfo::TIFINAGH_JOINER_CONSONANT);

                }

                (WidthInfo::ZWJ_TIFINAGH_CONSONANT, '\u{2D31}'..='\u{2D65}' | '\u{2D6F}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::TIFINAGH_JOINER_CONSONANT, '\u{2D31}'..='\u{2D65}' | '\u{2D6F}') => {

                    return (-1, WidthInfo::DEFAULT);

                }

                // Lisu tone letter combinations

                (WidthInfo::LISU_TONE_LETTER_MYA_NA_JEU, '\u{A4F8}'..='\u{A4FB}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Old Turkic ligature

                (WidthInfo::ZWJ_OLD_TURKIC_LETTER_ORKHON_I, '\u{10C32}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Emoji modifier

                (WidthInfo::EMOJI_MODIFIER, _) if is_emoji_modifier_base(c) => {

                    return (0, WidthInfo::EMOJI_PRESENTATION);

                }

                // Regional indicator

                (

                    WidthInfo::REGIONAL_INDICATOR | WidthInfo::SEVERAL_REGIONAL_INDICATOR,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (1, WidthInfo::SEVERAL_REGIONAL_INDICATOR),

                // ZWJ emoji

                (

                    WidthInfo::EMOJI_PRESENTATION

                    | WidthInfo::SEVERAL_REGIONAL_INDICATOR

                    | WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::EMOJI_MODIFIER,

                    '\u{200D}',

                ) => return (0, WidthInfo::ZWJ_EMOJI_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{20E3}') => {

                    return (0, WidthInfo::KEYCAP_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::VS16_ZWJ_EMOJI_PRESENTATION, _) if starts_emoji_presentation_seq(c) => {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::VS16_KEYCAP_ZWJ_EMOJI_PRESENTATION, '0'..='9' | '#' | '*') => {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{1F1E6}'..='\u{1F1FF}') => {

                    return (1, WidthInfo::REGIONAL_INDICATOR_ZWJ_PRESENTATION);

                }

                (

                    WidthInfo::REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (-1, WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION),

                (

                    WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (3, WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{1F3FB}'..='\u{1F3FF}') => {

                    return (0, WidthInfo::EMOJI_MODIFIER);

                }

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{E007F}') => {

                    return (0, WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A6_END_ZWJ_EMOJI_PRESENTATION)

                }

                (

                    WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION,

                    '\u{E0030}'..='\u{E0039}',

                ) => return (0, WidthInfo::TAG_D1_END_ZWJ_EMOJI_PRESENTATION),

                (WidthInfo::TAG_D1_END_ZWJ_EMOJI_PRESENTATION, '\u{E0030}'..='\u{E0039}') => {

                    return (0, WidthInfo::TAG_D2_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_D2_END_ZWJ_EMOJI_PRESENTATION, '\u{E0030}'..='\u{E0039}') => {

                    return (0, WidthInfo::TAG_D3_END_ZWJ_EMOJI_PRESENTATION);

                }

                (

                    WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A6_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_D3_END_ZWJ_EMOJI_PRESENTATION,

                    '\u{1F3F4}',

                ) => return (0, WidthInfo::EMOJI_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, _)

                    if lookup_width(c).1 == WidthInfo::EMOJI_PRESENTATION =>

                {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D63}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D67}') => {

                    return (0, WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D68}') => {

                    return (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_E);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D69}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI, '\u{16D63}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Fallback

                _ => {}

            }

        }

        let ret = lookup_width(c);

        (ret.0 as i8, ret.1)

    }

}

#[inline]

pub fn str_width(s: &str) -> usize {

    s.chars()

        .rfold(

            (0, WidthInfo::DEFAULT),

            |(sum, next_info), c| -> (usize, WidthInfo) {

                let (add, info) = width_in_str(c, next_info);

                (sum.wrapping_add_signed(isize::from(add)), info)

            },

Unexecuted instantiation: unicode_width::tables::str_width::{closure#0}

Unexecuted instantiation: unicode_width::tables::str_width::{closure#0}

        )

        .0

}

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c` by

/// consulting a multi-level lookup table.

///

/// # Maintenance

/// The tables themselves are autogenerated but this function is hardcoded. You should have

/// nothing to worry about if you re-run `unicode.py` (for example, when updating Unicode.)

/// However, if you change the *actual structure* of the lookup tables (perhaps by editing the

/// `make_tables` function in `unicode.py`) you must ensure that this code reflects those changes.

#[cfg(feature = "cjk")]

#[inline]

fn lookup_width_cjk(c: char) -> (u8, WidthInfo) {

    let cp = c as usize;

    let t1_offset = WIDTH_ROOT_CJK.0[cp >> 13];

    // Each sub-table in WIDTH_MIDDLE is 7 bits, and each stored entry is a byte,

    // so each sub-table is 128 bytes in size.

    // (Sub-tables are selected using the computed offset from the previous table.)

    let t2_offset = WIDTH_MIDDLE.0[usize::from(t1_offset)][cp >> 7 & 0x3F];

    // Each sub-table in WIDTH_LEAVES is 6 bits, but each stored entry is 2 bits.

    // This is accomplished by packing four stored entries into one byte.

    // So each sub-table is 2**(7-2) == 32 bytes in size.

    // Since this is the last table, each entry represents an encoded width.

    let packed_widths = WIDTH_LEAVES.0[usize::from(t2_offset)][cp >> 2 & 0x1F];

    // Extract the packed width

    let width = packed_widths >> (2 * (cp & 0b11)) & 0b11;

    if width < 3 {

        (width, WidthInfo::DEFAULT)

    } else {

        match c {

            '\u{A}' => (1, WidthInfo::LINE_FEED),

            '\u{338}' => (0, WidthInfo::COMBINING_LONG_SOLIDUS_OVERLAY),

            '\u{5DC}' => (1, WidthInfo::HEBREW_LETTER_LAMED),

            '\u{622}'..='\u{882}' => (1, WidthInfo::JOINING_GROUP_ALEF),

            '\u{1780}'..='\u{17AF}' => (1, WidthInfo::KHMER_COENG_ELIGIBLE_LETTER),

            '\u{17D8}' => (3, WidthInfo::DEFAULT),

            '\u{1A10}' => (1, WidthInfo::BUGINESE_LETTER_YA),

            '\u{2D31}'..='\u{2D6F}' => (1, WidthInfo::TIFINAGH_CONSONANT),

            '\u{A4FC}'..='\u{A4FD}' => (1, WidthInfo::LISU_TONE_LETTER_MYA_NA_JEU),

            '\u{FE00}'..='\u{FE02}' => (0, WidthInfo::VARIATION_SELECTOR_1_2_OR_3),

            '\u{FE0F}' => (0, WidthInfo::VARIATION_SELECTOR_16),

            '\u{10C03}' => (1, WidthInfo::OLD_TURKIC_LETTER_ORKHON_I),

            '\u{16D67}' => (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_E),

            '\u{16D68}' => (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI),

            '\u{1F1E6}'..='\u{1F1FF}' => (1, WidthInfo::REGIONAL_INDICATOR),

            '\u{1F3FB}'..='\u{1F3FF}' => (2, WidthInfo::EMOJI_MODIFIER),

            _ => (2, WidthInfo::EMOJI_PRESENTATION),

        }

    }

}

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c`, or

/// `None` if `c` is a control character.

/// Ambiguous width characters are treated as wide.

#[cfg(feature = "cjk")]

#[inline]

pub fn single_char_width_cjk(c: char) -> Option<usize> {

    if c < '\u{7F}' {

        if c >= '\u{20}' {

            // U+0020 to U+007F (exclusive) are single-width ASCII codepoints

            Some(1)

        } else {

            // U+0000 to U+0020 (exclusive) are control codes

            None

        }

    } else if c >= '\u{A0}' {

        // No characters >= U+00A0 are control codes, so we can consult the lookup tables

        Some(lookup_width_cjk(c).0.into())

    } else {

        // U+007F to U+00A0 (exclusive) are control codes

        None

    }

}

/// Returns the [UAX #11](https://www.unicode.org/reports/tr11/) based width of `c`.

/// Ambiguous width characters are treated as wide.

#[cfg(feature = "cjk")]

#[inline]

fn width_in_str_cjk(c: char, mut next_info: WidthInfo) -> (i8, WidthInfo) {

    if next_info.is_emoji_presentation() {

        if starts_emoji_presentation_seq(c) {

            let width = if next_info.is_zwj_emoji_presentation() {

                0

            } else {

                2

            };

            return (width, WidthInfo::EMOJI_PRESENTATION);

        } else {

            next_info = next_info.unset_emoji_presentation();

        }

    }

    if (matches!(

        next_info,

        WidthInfo::COMBINING_LONG_SOLIDUS_OVERLAY | WidthInfo::SOLIDUS_OVERLAY_ALEF

    ) && matches!(c, '<' | '=' | '>'))

    {

        return (2, WidthInfo::DEFAULT);

    }

    if c <= '\u{A0}' {

        match c {

            '\n' => (1, WidthInfo::LINE_FEED),

            '\r' if next_info == WidthInfo::LINE_FEED => (0, WidthInfo::DEFAULT),

            _ => (1, WidthInfo::DEFAULT),

        }

    } else {

        // Fast path

        if next_info != WidthInfo::DEFAULT {

            if c == '\u{FE0F}' {

                return (0, next_info.set_emoji_presentation());

            }

            if matches!(c, '\u{FE00}' | '\u{FE02}') {

                return (0, next_info.set_vs1_2_3());

            }

            if next_info.is_vs1_2_3() {

                if matches!(c, '\u{2018}' | '\u{2019}' | '\u{201C}' | '\u{201D}') {

                    return (1, WidthInfo::DEFAULT);

                } else {

                    next_info = next_info.unset_vs1_2_3();

                }

            }

            if next_info.is_ligature_transparent() {

                if c == '\u{200D}' {

                    return (0, next_info.set_zwj_bit());

                } else if is_ligature_transparent(c) {

                    return (0, next_info);

                }

            }

            match (next_info, c) {

                (WidthInfo::COMBINING_LONG_SOLIDUS_OVERLAY, _) if is_solidus_transparent(c) => {

                    return (

                        lookup_width_cjk(c).0 as i8,

                        WidthInfo::COMBINING_LONG_SOLIDUS_OVERLAY,

                    );

                }

                (WidthInfo::JOINING_GROUP_ALEF, '\u{0338}') => {

                    return (0, WidthInfo::SOLIDUS_OVERLAY_ALEF);

                }

                // Arabic Lam-Alef ligature

                (

                    WidthInfo::JOINING_GROUP_ALEF | WidthInfo::SOLIDUS_OVERLAY_ALEF,

                    '\u{644}' | '\u{6B5}'..='\u{6B8}' | '\u{76A}' | '\u{8A6}' | '\u{8C7}',

                ) => return (0, WidthInfo::DEFAULT),

                (WidthInfo::JOINING_GROUP_ALEF, _) if is_transparent_zero_width(c) => {

                    return (0, WidthInfo::JOINING_GROUP_ALEF);

                }

                // Hebrew Alef-ZWJ-Lamed ligature

                (WidthInfo::ZWJ_HEBREW_LETTER_LAMED, '\u{05D0}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Khmer coeng signs

                (WidthInfo::KHMER_COENG_ELIGIBLE_LETTER, '\u{17D2}') => {

                    return (-1, WidthInfo::DEFAULT);

                }

                // Buginese <a, -i> ZWJ ya ligature

                (WidthInfo::ZWJ_BUGINESE_LETTER_YA, '\u{1A17}') => {

                    return (0, WidthInfo::BUGINESE_VOWEL_SIGN_I_ZWJ_LETTER_YA)

                }

                (WidthInfo::BUGINESE_VOWEL_SIGN_I_ZWJ_LETTER_YA, '\u{1A15}') => {

                    return (0, WidthInfo::DEFAULT)

                }

                // Tifinagh bi-consonants

                (WidthInfo::TIFINAGH_CONSONANT | WidthInfo::ZWJ_TIFINAGH_CONSONANT, '\u{2D7F}') => {

                    return (1, WidthInfo::TIFINAGH_JOINER_CONSONANT);

                }

                (WidthInfo::ZWJ_TIFINAGH_CONSONANT, '\u{2D31}'..='\u{2D65}' | '\u{2D6F}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::TIFINAGH_JOINER_CONSONANT, '\u{2D31}'..='\u{2D65}' | '\u{2D6F}') => {

                    return (-1, WidthInfo::DEFAULT);

                }

                // Lisu tone letter combinations

                (WidthInfo::LISU_TONE_LETTER_MYA_NA_JEU, '\u{A4F8}'..='\u{A4FB}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Old Turkic ligature

                (WidthInfo::ZWJ_OLD_TURKIC_LETTER_ORKHON_I, '\u{10C32}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Emoji modifier

                (WidthInfo::EMOJI_MODIFIER, _) if is_emoji_modifier_base(c) => {

                    return (0, WidthInfo::EMOJI_PRESENTATION);

                }

                // Regional indicator

                (

                    WidthInfo::REGIONAL_INDICATOR | WidthInfo::SEVERAL_REGIONAL_INDICATOR,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (1, WidthInfo::SEVERAL_REGIONAL_INDICATOR),

                // ZWJ emoji

                (

                    WidthInfo::EMOJI_PRESENTATION

                    | WidthInfo::SEVERAL_REGIONAL_INDICATOR

                    | WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::EMOJI_MODIFIER,

                    '\u{200D}',

                ) => return (0, WidthInfo::ZWJ_EMOJI_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{20E3}') => {

                    return (0, WidthInfo::KEYCAP_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::VS16_ZWJ_EMOJI_PRESENTATION, _) if starts_emoji_presentation_seq(c) => {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::VS16_KEYCAP_ZWJ_EMOJI_PRESENTATION, '0'..='9' | '#' | '*') => {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{1F1E6}'..='\u{1F1FF}') => {

                    return (1, WidthInfo::REGIONAL_INDICATOR_ZWJ_PRESENTATION);

                }

                (

                    WidthInfo::REGIONAL_INDICATOR_ZWJ_PRESENTATION

                    | WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (-1, WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION),

                (

                    WidthInfo::EVEN_REGIONAL_INDICATOR_ZWJ_PRESENTATION,

                    '\u{1F1E6}'..='\u{1F1FF}',

                ) => return (3, WidthInfo::ODD_REGIONAL_INDICATOR_ZWJ_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{1F3FB}'..='\u{1F3FF}') => {

                    return (0, WidthInfo::EMOJI_MODIFIER);

                }

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, '\u{E007F}') => {

                    return (0, WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION)

                }

                (WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION, '\u{E0061}'..='\u{E007A}') => {

                    return (0, WidthInfo::TAG_A6_END_ZWJ_EMOJI_PRESENTATION)

                }

                (

                    WidthInfo::TAG_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A1_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A2_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION,

                    '\u{E0030}'..='\u{E0039}',

                ) => return (0, WidthInfo::TAG_D1_END_ZWJ_EMOJI_PRESENTATION),

                (WidthInfo::TAG_D1_END_ZWJ_EMOJI_PRESENTATION, '\u{E0030}'..='\u{E0039}') => {

                    return (0, WidthInfo::TAG_D2_END_ZWJ_EMOJI_PRESENTATION);

                }

                (WidthInfo::TAG_D2_END_ZWJ_EMOJI_PRESENTATION, '\u{E0030}'..='\u{E0039}') => {

                    return (0, WidthInfo::TAG_D3_END_ZWJ_EMOJI_PRESENTATION);

                }

                (

                    WidthInfo::TAG_A3_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A4_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A5_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_A6_END_ZWJ_EMOJI_PRESENTATION

                    | WidthInfo::TAG_D3_END_ZWJ_EMOJI_PRESENTATION,

                    '\u{1F3F4}',

                ) => return (0, WidthInfo::EMOJI_PRESENTATION),

                (WidthInfo::ZWJ_EMOJI_PRESENTATION, _)

                    if lookup_width_cjk(c).1 == WidthInfo::EMOJI_PRESENTATION =>

                {

                    return (0, WidthInfo::EMOJI_PRESENTATION)

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D63}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D67}') => {

                    return (0, WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D68}') => {

                    return (1, WidthInfo::KIRAT_RAI_VOWEL_SIGN_E);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_E, '\u{16D69}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                (WidthInfo::KIRAT_RAI_VOWEL_SIGN_AI, '\u{16D63}') => {

                    return (0, WidthInfo::DEFAULT);

                }

                // Fallback

                _ => {}

            }

        }

        let ret = lookup_width_cjk(c);

        (ret.0 as i8, ret.1)

    }

}

#[cfg(feature = "cjk")]

#[inline]

pub fn str_width_cjk(s: &str) -> usize {

    s.chars()

        .rfold(

            (0, WidthInfo::DEFAULT),

            |(sum, next_info), c| -> (usize, WidthInfo) {

                let (add, info) = width_in_str_cjk(c, next_info);

                (sum.wrapping_add_signed(isize::from(add)), info)

            },

        )

        .0

}

/// Whether this character is a zero-width character with

/// `Joining_Type=Transparent`. Used by the Alef-Lamed ligatures.

/// See also [`is_ligature_transparent`], a near-subset of this (only ZWJ is excepted)

/// which is transparent for non-Arabic ligatures.

fn is_transparent_zero_width(c: char) -> bool {

    if lookup_width(c).0 != 0 {

        // Not zero-width

        false

    } else {

        let cp: u32 = c.into();

        NON_TRANSPARENT_ZERO_WIDTHS

            .binary_search_by(|&(lo, hi)| {

                let lo = u32::from_le_bytes([lo[0], lo[1], lo[2], 0]);

                let hi = u32::from_le_bytes([hi[0], hi[1], hi[2], 0]);

                if cp < lo {

                    Ordering::Greater

                } else if cp > hi {

                    Ordering::Less

                } else {

                    Ordering::Equal

                }

            })

            .is_err()

    }

}

/// Whether this character is a default-ignorable combining mark

/// or ZWJ. These characters won't interrupt non-Arabic ligatures.

fn is_ligature_transparent(c: char) -> bool {

    matches!(c, '\u{34F}' | '\u{17B4}'..='\u{17B5}' | '\u{180B}'..='\u{180D}' | '\u{180F}' | '\u{200D}' | '\u{FE00}'..='\u{FE0F}' | '\u{E0100}'..='\u{E01EF}')

}

/// Whether this character is transparent wrt the effect of

/// U+0338 COMBINING LONG SOLIDUS OVERLAY

/// on its base character.

#[cfg(feature = "cjk")]

fn is_solidus_transparent(c: char) -> bool {

    let cp: u32 = c.into();

    is_ligature_transparent(c)

        || SOLIDUS_TRANSPARENT

            .binary_search_by(|&(lo, hi)| {

                let lo = u32::from_le_bytes([lo[0], lo[1], lo[2], 0]);

                let hi = u32::from_le_bytes([hi[0], hi[1], hi[2], 0]);

                if cp < lo {

                    Ordering::Greater

                } else if cp > hi {

                    Ordering::Less

                } else {

                    Ordering::Equal

                }

            })

            .is_ok()

}

/// Whether this character forms an [emoji presentation sequence]

/// (https://www.unicode.org/reports/tr51/#def_emoji_presentation_sequence)

/// when followed by `'\u{FEOF}'`.

/// Emoji presentation sequences are considered to have width 2.

#[inline]

pub fn starts_emoji_presentation_seq(c: char) -> bool {

    let cp: u32 = c.into();

    // First level of lookup uses all but 10 LSB

    let top_bits = cp >> 10;

    let idx_of_leaf: usize = match top_bits {

        0x0 => 0,

        0x8 => 1,

        0x9 => 2,

        0xA => 3,

        0xC => 4,

        0x7C => 5,

        0x7D => 6,

        _ => return false,

    };

    // Extract the 3-9th (0-indexed) least significant bits of `cp`,

    // and use them to index into `leaf_row`.

    let idx_within_leaf = usize::try_from((cp >> 3) & 0x7F).unwrap();

    let leaf_byte = EMOJI_PRESENTATION_LEAVES.0[idx_of_leaf][idx_within_leaf];

    // Use the 3 LSB of `cp` to index into `leaf_byte`.

    ((leaf_byte >> (cp & 7)) & 1) == 1

}

/// Returns `true` if `c` has default emoji presentation, but forms a [text presentation sequence]

/// (https://www.unicode.org/reports/tr51/#def_text_presentation_sequence)

/// when followed by `'\u{FEOE}'`, and is not ideographic.

/// Such sequences are considered to have width 1.

#[inline]

pub fn starts_non_ideographic_text_presentation_seq(c: char) -> bool {

    let cp: u32 = c.into();

    // First level of lookup uses all but 8 LSB

    let top_bits = cp >> 8;

    let leaf: &[(u8, u8)] = match top_bits {

        0x23 => &TEXT_PRESENTATION_LEAF_0,

        0x25 => &TEXT_PRESENTATION_LEAF_1,

        0x26 => &TEXT_PRESENTATION_LEAF_2,

        0x27 => &TEXT_PRESENTATION_LEAF_3,

        0x2B => &TEXT_PRESENTATION_LEAF_4,

        0x1F0 => &TEXT_PRESENTATION_LEAF_5,

        0x1F3 => &TEXT_PRESENTATION_LEAF_6,

        0x1F4 => &TEXT_PRESENTATION_LEAF_7,

        0x1F5 => &TEXT_PRESENTATION_LEAF_8,

        0x1F6 => &TEXT_PRESENTATION_LEAF_9,

        _ => return false,

    };

    let bottom_bits = (cp & 0xFF) as u8;

    leaf.binary_search_by(|&(lo, hi)| {

        if bottom_bits < lo {

            Ordering::Greater

        } else if bottom_bits > hi {

            Ordering::Less

        } else {

            Ordering::Equal

        }

    })

Unexecuted instantiation: unicode_width::tables::starts_non_ideographic_text_presentation_seq::{closure#0}

Unexecuted instantiation: unicode_width::tables::starts_non_ideographic_text_presentation_seq::{closure#0}

    .is_ok()

}

/// Returns `true` if `c` is an `Emoji_Modifier_Base`.

#[inline]

pub fn is_emoji_modifier_base(c: char) -> bool {

    let cp: u32 = c.into();

    // First level of lookup uses all but 8 LSB

    let top_bits = cp >> 8;

    let leaf: &[(u8, u8)] = match top_bits {

        0x26 => &EMOJI_MODIFIER_LEAF_0,

        0x27 => &EMOJI_MODIFIER_LEAF_1,

        0x1F3 => &EMOJI_MODIFIER_LEAF_2,

        0x1F4 => &EMOJI_MODIFIER_LEAF_3,

        0x1F5 => &EMOJI_MODIFIER_LEAF_4,

        0x1F6 => &EMOJI_MODIFIER_LEAF_5,

        0x1F9 => &EMOJI_MODIFIER_LEAF_6,

        0x1FA => &EMOJI_MODIFIER_LEAF_7,

        _ => return false,

    };

    let bottom_bits = (cp & 0xFF) as u8;

    leaf.binary_search_by(|&(lo, hi)| {

        if bottom_bits < lo {

            Ordering::Greater

        } else if bottom_bits > hi {

            Ordering::Less

        } else {

            Ordering::Equal

        }

    })

Unexecuted instantiation: unicode_width::tables::is_emoji_modifier_base::{closure#0}

Unexecuted instantiation: unicode_width::tables::is_emoji_modifier_base::{closure#0}

    .is_ok()

}

#[repr(align(32))]

struct Align32<T>(T);

#[repr(align(64))]

struct Align64<T>(T);

#[repr(align(128))]

struct Align128<T>(T);

/// Autogenerated. 1 sub-table(s). Consult [`lookup_width`] for layout info.)

static WIDTH_ROOT: Align128<[u8; 256]> = Align128([

    0x00, 0x01, 0x02, 0x02, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,

    0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x0E, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x0E,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x0F, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

]);

/// Autogenerated. 16 sub-table(s). Consult [`lookup_width`] for layout info.)

#[cfg(feature = "cjk")]

static WIDTH_ROOT_CJK: Align128<[u8; 256]> = Align128([

    0x10, 0x11, 0x02, 0x02, 0x02, 0x03, 0x04, 0x12, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x13,

    0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x0E, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x0E,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,

    0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,