/*! This library implements [Unicode Vertical_Orientation Property](https://www.unicode.org/reports/tr50/tr50-19.html) (annex #50). ```rust use unicode_vo::*; assert_eq!(char_orientation('A'), Orientation::Rotated); assert_eq!(char_orientation('本'), Orientation::Upright); ``` */ #![doc(html_root_url = "https://docs.rs/unicode-vo/0.1.0")] #![forbid(unsafe_code)] /// Character orientation. #[derive(Clone, Copy, PartialEq, Debug)] pub enum Orientation { /// Characters which are displayed upright, with the same orientation that appears in /// the code charts. /// /// Original name: **U** Upright, /// Characters which are displayed sideways, rotated 90 degrees clockwise compared to /// the code charts. /// /// Original name: **R** Rotated, /// Characters which are not just upright or sideways, but generally require /// a different glyph than in the code charts when used in vertical texts. /// In addition, as a fallback, the character can be displayed with /// the code chart glyph upright. /// /// Original name: **Tu** TransformedOrUpright, /// Same as Tu except that, as a fallback, the character can be displayed with /// the code chart glyph rotated 90 degrees clockwise. /// /// Original name: **Tr** TransformedOrRotated, } /// Returns a vertical orientation of a character. /// /// Based on . pub fn char_orientation(c: char) -> Orientation { match c as u32 { 0x00A7 => Orientation::Upright, 0x00A9 => Orientation::Upright, 0x00AE => Orientation::Upright, 0x00B1 => Orientation::Upright, 0x00BC...0x00BE => Orientation::Upright, 0x00D7 => Orientation::Upright, 0x00F7 => Orientation::Upright, 0x02EA...0x02EB => Orientation::Upright, 0x1100...0x11FF => Orientation::Upright, 0x1401...0x167F => Orientation::Upright, 0x18B0...0x18FF => Orientation::Upright, 0x2016 => Orientation::Upright, 0x2020...0x2021 => Orientation::Upright, 0x2030...0x2031 => Orientation::Upright, 0x203B...0x203C => Orientation::Upright, 0x2042 => Orientation::Upright, 0x2047...0x2049 => Orientation::Upright, 0x2051 => Orientation::Upright, 0x2065 => Orientation::Upright, 0x20DD...0x20E0 => Orientation::Upright, 0x20E2...0x20E4 => Orientation::Upright, 0x2100...0x2101 => Orientation::Upright, 0x2103...0x2109 => Orientation::Upright, 0x210F => Orientation::Upright, 0x2113...0x2114 => Orientation::Upright, 0x2116...0x2117 => Orientation::Upright, 0x211E...0x2123 => Orientation::Upright, 0x2125 => Orientation::Upright, 0x2127 => Orientation::Upright, 0x2129 => Orientation::Upright, 0x212E => Orientation::Upright, 0x2135...0x213F => Orientation::Upright, 0x2145...0x214A => Orientation::Upright, 0x214C...0x214D => Orientation::Upright, 0x214F => Orientation::Upright, 0x2150...0x2189 => Orientation::Upright, 0x218C...0x218F => Orientation::Upright, 0x221E => Orientation::Upright, 0x2234...0x2235 => Orientation::Upright, 0x2300...0x2307 => Orientation::Upright, 0x230C...0x231F => Orientation::Upright, 0x2324...0x2328 => Orientation::Upright, 0x2329...0x232A => Orientation::TransformedOrRotated, 0x232B => Orientation::Upright, 0x237D...0x239A => Orientation::Upright, 0x23BE...0x23CD => Orientation::Upright, 0x23CF => Orientation::Upright, 0x23D1...0x23DB => Orientation::Upright, 0x23E2...0x23FF => Orientation::Upright, 0x2400...0x2422 => Orientation::Upright, 0x2424...0x243F => Orientation::Upright, 0x2440...0x245F => Orientation::Upright, 0x2460...0x24FF => Orientation::Upright, 0x25A0...0x25FF => Orientation::Upright, 0x2600...0x2619 => Orientation::Upright, 0x2620...0x26FF => Orientation::Upright, 0x2700...0x2767 => Orientation::Upright, 0x2776...0x2793 => Orientation::Upright, 0x2B12...0x2B2F => Orientation::Upright, 0x2B50...0x2B59 => Orientation::Upright, 0x2BB8...0x2BEB => Orientation::Upright, 0x2BF0...0x2BFF => Orientation::Upright, 0x2E80...0x2EFF => Orientation::Upright, 0x2F00...0x2FDF => Orientation::Upright, 0x2FE0...0x2FEF => Orientation::Upright, 0x2FF0...0x2FFF => Orientation::Upright, 0x3000 => Orientation::Upright, 0x3001...0x3002 => Orientation::TransformedOrUpright, 0x3003...0x3007 => Orientation::Upright, 0x3008...0x3011 => Orientation::TransformedOrRotated, 0x3012...0x3013 => Orientation::Upright, 0x3014...0x301F => Orientation::TransformedOrRotated, 0x3020...0x302F => Orientation::Upright, 0x3030 => Orientation::TransformedOrRotated, 0x3031...0x3040 => Orientation::Upright, 0x3041 => Orientation::TransformedOrUpright, 0x3042 => Orientation::Upright, 0x3043 => Orientation::TransformedOrUpright, 0x3044 => Orientation::Upright, 0x3045 => Orientation::TransformedOrUpright, 0x3046 => Orientation::Upright, 0x3047 => Orientation::TransformedOrUpright, 0x3048 => Orientation::Upright, 0x3049 => Orientation::TransformedOrUpright, 0x304A...0x3062 => Orientation::Upright, 0x3063 => Orientation::TransformedOrUpright, 0x3064...0x3082 => Orientation::Upright, 0x3083 => Orientation::TransformedOrUpright, 0x3084 => Orientation::Upright, 0x3085 => Orientation::TransformedOrUpright, 0x3086 => Orientation::Upright, 0x3087 => Orientation::TransformedOrUpright, 0x3088...0x308D => Orientation::Upright, 0x308E => Orientation::TransformedOrUpright, 0x308F...0x3094 => Orientation::Upright, 0x3095...0x3096 => Orientation::TransformedOrUpright, 0x3097...0x309A => Orientation::Upright, 0x309B...0x309C => Orientation::TransformedOrUpright, 0x309D...0x309F => Orientation::Upright, 0x30A0 => Orientation::TransformedOrRotated, 0x30A1 => Orientation::TransformedOrUpright, 0x30A2 => Orientation::Upright, 0x30A3 => Orientation::TransformedOrUpright, 0x30A4 => Orientation::Upright, 0x30A5 => Orientation::TransformedOrUpright, 0x30A6 => Orientation::Upright, 0x30A7 => Orientation::TransformedOrUpright, 0x30A8 => Orientation::Upright, 0x30A9 => Orientation::TransformedOrUpright, 0x30AA...0x30C2 => Orientation::Upright, 0x30C3 => Orientation::TransformedOrUpright, 0x30C4...0x30E2 => Orientation::Upright, 0x30E3 => Orientation::TransformedOrUpright, 0x30E4 => Orientation::Upright, 0x30E5 => Orientation::TransformedOrUpright, 0x30E6 => Orientation::Upright, 0x30E7 => Orientation::TransformedOrUpright, 0x30E8...0x30ED => Orientation::Upright, 0x30EE => Orientation::TransformedOrUpright, 0x30EF...0x30F4 => Orientation::Upright, 0x30F5...0x30F6 => Orientation::TransformedOrUpright, 0x30F7...0x30FB => Orientation::Upright, 0x30FC => Orientation::TransformedOrRotated, 0x30FD...0x30FF => Orientation::Upright, 0x3100...0x3126 => Orientation::Upright, 0x3127 => Orientation::TransformedOrUpright, 0x3128...0x312F => Orientation::Upright, 0x3130...0x318F => Orientation::Upright, 0x3190...0x319F => Orientation::Upright, 0x31A0...0x31BF => Orientation::Upright, 0x31C0...0x31EF => Orientation::Upright, 0x31F0...0x31FF => Orientation::TransformedOrUpright, 0x3200...0x321E => Orientation::Upright, 0x321F...0x32FF => Orientation::Upright, 0x3300...0x3357 => Orientation::TransformedOrUpright, 0x3358...0x337A => Orientation::Upright, 0x337B...0x337F => Orientation::TransformedOrUpright, 0x3380...0x33FF => Orientation::Upright, 0x3400...0x4DBF => Orientation::Upright, 0x4DC0...0x4DFF => Orientation::Upright, 0x4E00...0x9FFF => Orientation::Upright, 0xA000...0xA48F => Orientation::Upright, 0xA490...0xA4CF => Orientation::Upright, 0xA960...0xA97F => Orientation::Upright, 0xAC00...0xD7AF => Orientation::Upright, 0xD7B0...0xD7FF => Orientation::Upright, 0xE000...0xF8FF => Orientation::Upright, 0xF900...0xFAFF => Orientation::Upright, 0xFE10...0xFE19 => Orientation::Upright, 0xFE1A...0xFE1F => Orientation::Upright, 0xFE30...0xFE48 => Orientation::Upright, 0xFE50...0xFE52 => Orientation::TransformedOrUpright, 0xFE53...0xFE57 => Orientation::Upright, 0xFE59...0xFE5E => Orientation::TransformedOrRotated, 0xFE5F...0xFE62 => Orientation::Upright, 0xFE67...0xFE6B => Orientation::Upright, 0xFE6C...0xFE6F => Orientation::Upright, 0xFF01 => Orientation::TransformedOrUpright, 0xFF02...0xFF07 => Orientation::Upright, 0xFF08...0xFF09 => Orientation::TransformedOrRotated, 0xFF0A...0xFF0B => Orientation::Upright, 0xFF0C => Orientation::TransformedOrUpright, 0xFF0E => Orientation::TransformedOrUpright, 0xFF0F...0xFF19 => Orientation::Upright, 0xFF1A...0xFF1B => Orientation::TransformedOrRotated, 0xFF1F => Orientation::TransformedOrUpright, 0xFF20 => Orientation::Upright, 0xFF21...0xFF3A => Orientation::Upright, 0xFF3B => Orientation::TransformedOrRotated, 0xFF3C => Orientation::Upright, 0xFF3D => Orientation::TransformedOrRotated, 0xFF3E => Orientation::Upright, 0xFF3F => Orientation::TransformedOrRotated, 0xFF40 => Orientation::Upright, 0xFF41...0xFF5A => Orientation::Upright, 0xFF5B...0xFF60 => Orientation::TransformedOrRotated, 0xFFE0...0xFFE2 => Orientation::Upright, 0xFFE3 => Orientation::TransformedOrRotated, 0xFFE4...0xFFE7 => Orientation::Upright, 0xFFF0...0xFFF8 => Orientation::Upright, 0xFFFC...0xFFFD => Orientation::Upright, 0x10980...0x1099F => Orientation::Upright, 0x11580...0x115FF => Orientation::Upright, 0x13000...0x1342F => Orientation::Upright, 0x14400...0x1467F => Orientation::Upright, 0x16FE0...0x16FFF => Orientation::Upright, 0x17000...0x187FF => Orientation::Upright, 0x18800...0x18AFF => Orientation::Upright, 0x1B000...0x1B0FF => Orientation::Upright, 0x1D000...0x1D0FF => Orientation::Upright, 0x1D100...0x1D1FF => Orientation::Upright, 0x1D300...0x1D35F => Orientation::Upright, 0x1D360...0x1D37F => Orientation::Upright, 0x1D800...0x1DAAF => Orientation::Upright, 0x1F000...0x1F02F => Orientation::Upright, 0x1F030...0x1F09F => Orientation::Upright, 0x1F0A0...0x1F0FF => Orientation::Upright, 0x1F100...0x1F1FF => Orientation::Upright, 0x1F200...0x1F201 => Orientation::TransformedOrUpright, 0x1F202...0x1F2FF => Orientation::Upright, 0x1F300...0x1F5FF => Orientation::Upright, 0x1F600...0x1F64F => Orientation::Upright, 0x1F650...0x1F67F => Orientation::Upright, 0x1F680...0x1F6FF => Orientation::Upright, 0x1F700...0x1F77F => Orientation::Upright, 0x1F780...0x1F7FF => Orientation::Upright, 0x1F900...0x1F9FF => Orientation::Upright, 0x20000...0x2A6DF => Orientation::Upright, 0x2A6E0...0x2A6FF => Orientation::Upright, 0x2A700...0x2B73F => Orientation::Upright, 0x2B740...0x2B81F => Orientation::Upright, 0x2B820...0x2CEAF => Orientation::Upright, 0x2CEB0...0x2F7FF => Orientation::Upright, 0x2F800...0x2FA1F => Orientation::Upright, 0x2FA20...0x2FFFD => Orientation::Upright, 0x30000...0x3FFFD => Orientation::Upright, 0xF0000...0xFFFFD => Orientation::Upright, 0x100000...0x10FFFD => Orientation::Upright, _ => Orientation::Rotated, } }