/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
static const unsigned short kCodes[][2] = {
{0x00aa, 0x00aa}, /* 1x English */
{0x00b2, 0x00b3}, /* 2x English Arabic */
{0x00b5, 0x00b5}, /* 1x Greek */
{0x00b9, 0x00ba}, /* 2x English Arabic */
{0x00bc, 0x00be}, /* 3x Vulgar English Arabic */
{0x00c0, 0x00d6}, /* 23x Watin */
{0x00d8, 0x00f6}, /* 31x Watin */
{0x0100, 0x02c1}, /* 450x Watin-AB,IPA,Spacemod */
{0x02c6, 0x02d1}, /* 12x Spacemod */
{0x02e0, 0x02e4}, /* 5x Spacemod */
{0x02ec, 0x02ec}, /* 1x Spacemod */
{0x02ee, 0x02ee}, /* 1x Spacemod */
{0x0370, 0x0374}, /* 5x Greek */
{0x0376, 0x0377}, /* 2x Greek */
{0x037a, 0x037d}, /* 4x Greek */
{0x037f, 0x037f}, /* 1x Greek */
{0x0386, 0x0386}, /* 1x Greek */
{0x0388, 0x038a}, /* 3x Greek */
{0x038c, 0x038c}, /* 1x Greek */
{0x038e, 0x03a1}, /* 20x Greek */
{0x03a3, 0x03f5}, /* 83x Greek */
{0x03f7, 0x0481}, /* 139x Greek */
{0x048a, 0x052f}, /* 166x Cyrillic */
{0x0531, 0x0556}, /* 38x Armenian */
{0x0560, 0x0588}, /* 41x Armenian */
{0x05d0, 0x05ea}, /* 27x Hebrew */
{0x0620, 0x064a}, /* 43x Arabic */
{0x0660, 0x0669}, /* 10x Arabic */
{0x0671, 0x06d3}, /* 99x Arabic */
{0x06ee, 0x06fc}, /* 15x Arabic */
{0x0712, 0x072f}, /* 30x Syriac */
{0x074d, 0x07a5}, /* 89x Syriac,Arabic2,Thaana */
{0x07c0, 0x07ea}, /* 43x NKo */
{0x0800, 0x0815}, /* 22x Samaritan */
{0x0840, 0x0858}, /* 25x Mandaic */
{0x0904, 0x0939}, /* 54x Devanagari */
{0x0993, 0x09a8}, /* 22x Bengali */
{0x09e6, 0x09f1}, /* 12x Bengali */
{0x0a13, 0x0a28}, /* 22x Gurmukhi */
{0x0a66, 0x0a6f}, /* 10x Gurmukhi */
{0x0a93, 0x0aa8}, /* 22x Gujarati */
{0x0b13, 0x0b28}, /* 22x Oriya */
{0x0c92, 0x0ca8}, /* 23x Kannada */
{0x0caa, 0x0cb3}, /* 10x Kannada */
{0x0ce6, 0x0cef}, /* 10x Kannada */
{0x0d12, 0x0d3a}, /* 41x Malayalam */
{0x0d85, 0x0d96}, /* 18x Sinhala */
{0x0d9a, 0x0db1}, /* 24x Sinhala */
{0x0de6, 0x0def}, /* 10x Sinhala */
{0x0e01, 0x0e30}, /* 48x Thai */
{0x0e8c, 0x0ea3}, /* 24x Lao */
{0x0f20, 0x0f33}, /* 20x Tibetan */
{0x0f49, 0x0f6c}, /* 36x Tibetan */
{0x109e, 0x10c5}, /* 40x Myanmar,Georgian */
{0x10d0, 0x10fa}, /* 43x Georgian */
{0x10fc, 0x1248}, /* 333x Georgian,Hangul,Ethiopic */
{0x13a0, 0x13f5}, /* 86x Cherokee */
{0x1401, 0x166d}, /* 621x Aboriginal */
{0x16a0, 0x16ea}, /* 75x Runic */
{0x1700, 0x170c}, /* 13x Tagalog */
{0x1780, 0x17b3}, /* 52x Khmer */
{0x1820, 0x1878}, /* 89x Mongolian */
{0x1a00, 0x1a16}, /* 23x Buginese */
{0x1a20, 0x1a54}, /* 53x Tai Tham */
{0x1a80, 0x1a89}, /* 10x Tai Tham */
{0x1a90, 0x1a99}, /* 10x Tai Tham */
{0x1b05, 0x1b33}, /* 47x Balinese */
{0x1b50, 0x1b59}, /* 10x Balinese */
{0x1b83, 0x1ba0}, /* 30x Sundanese */
{0x1bae, 0x1be5}, /* 56x Sundanese */
{0x1c90, 0x1cba}, /* 43x Georgian2 */
{0x1cbd, 0x1cbf}, /* 3x Georgian2 */
{0x1e00, 0x1f15}, /* 278x Watin-C,Greek2 */
{0x2070, 0x2071}, /* 2x Supersub */
{0x2074, 0x2079}, /* 6x Supersub */
{0x207f, 0x2089}, /* 11x Supersub */
{0x2090, 0x209c}, /* 13x Supersub */
{0x2100, 0x2117}, /* 24x Letterlike */
{0x2119, 0x213f}, /* 39x Letterlike */
{0x2145, 0x214a}, /* 6x Letterlike */
{0x214c, 0x218b}, /* 64x Letterlike,Numbery */
{0x21af, 0x21cd}, /* 31x Arrows */
{0x21d5, 0x21f3}, /* 31x Arrows */
{0x230c, 0x231f}, /* 20x Technical */
{0x232b, 0x237b}, /* 81x Technical */
{0x237d, 0x239a}, /* 30x Technical */
{0x23b4, 0x23db}, /* 40x Technical */
{0x23e2, 0x2426}, /* 69x Technical,ControlPictures */
{0x2460, 0x25b6}, /* 343x Enclosed,Boxes,Blocks,Shapes */
{0x25c2, 0x25f7}, /* 54x Shapes */
{0x2600, 0x266e}, /* 111x Symbols */
{0x2670, 0x2767}, /* 248x Symbols,Dingbats */
{0x2776, 0x27bf}, /* 74x Dingbats */
{0x2800, 0x28ff}, /* 256x Braille */
{0x2c00, 0x2c2e}, /* 47x Glagolitic */
{0x2c30, 0x2c5e}, /* 47x Glagolitic */
{0x2c60, 0x2ce4}, /* 133x Watin-D */
{0x2d00, 0x2d25}, /* 38x Georgian2 */
{0x2d30, 0x2d67}, /* 56x Tifinagh */
{0x2d80, 0x2d96}, /* 23x Ethiopic2 */
{0x2e2f, 0x2e2f}, /* 1x Punctuation2 */
{0x3005, 0x3007}, /* 3x CJK Symbols & Punctuation */
{0x3021, 0x3029}, /* 9x CJK Symbols & Punctuation */
{0x3031, 0x3035}, /* 5x CJK Symbols & Punctuation */
{0x3038, 0x303c}, /* 5x CJK Symbols & Punctuation */
{0x3041, 0x3096}, /* 86x Hiragana */
{0x30a1, 0x30fa}, /* 90x Katakana */
{0x3105, 0x312f}, /* 43x Bopomofo */
{0x3131, 0x318e}, /* 94x Hangul Compatibility Jamo */
{0x31a0, 0x31ba}, /* 27x Bopomofo Extended */
{0x31f0, 0x31ff}, /* 16x Katakana Phonetic Extensions */
{0x3220, 0x3229}, /* 10x Enclosed CJK Letters & Months */
{0x3248, 0x324f}, /* 8x Enclosed CJK Letters & Months */
{0x3251, 0x325f}, /* 15x Enclosed CJK Letters & Months */
{0x3280, 0x3289}, /* 10x Enclosed CJK Letters & Months */
{0x32b1, 0x32bf}, /* 15x Enclosed CJK Letters & Months */
{0x3400, 0x4db5}, /* 6582x CJK Unified Ideographs Extension A */
{0x4dc0, 0x9fef}, /* 21040x Yijing Hexagram, CJK Unified Ideographs */
{0xa000, 0xa48c}, /* 1165x Yi Syllables */
{0xa4d0, 0xa4fd}, /* 46x Lisu */
{0xa500, 0xa60c}, /* 269x Vai */
{0xa610, 0xa62b}, /* 28x Vai */
{0xa6a0, 0xa6ef}, /* 80x Bamum */
{0xa80c, 0xa822}, /* 23x Syloti Nagri */
{0xa840, 0xa873}, /* 52x Phags-pa */
{0xa882, 0xa8b3}, /* 50x Saurashtra */
{0xa8d0, 0xa8d9}, /* 10x Saurashtra */
{0xa900, 0xa925}, /* 38x Kayah Li */
{0xa930, 0xa946}, /* 23x Rejang */
{0xa960, 0xa97c}, /* 29x Hangul Jamo Extended-A */
{0xa984, 0xa9b2}, /* 47x Javanese */
{0xa9cf, 0xa9d9}, /* 11x Javanese */
{0xaa00, 0xaa28}, /* 41x Cham */
{0xaa50, 0xaa59}, /* 10x Cham */
{0xabf0, 0xabf9}, /* 10x Meetei Mayek */
{0xac00, 0xd7a3}, /* 11172x Hangul Syllables */
{0xf900, 0xfa6d}, /* 366x CJK Compatibility Ideographs */
{0xfa70, 0xfad9}, /* 106x CJK Compatibility Ideographs */
{0xfb1f, 0xfb28}, /* 10x Alphabetic Presentation Forms */
{0xfb2a, 0xfb36}, /* 13x Alphabetic Presentation Forms */
{0xfb46, 0xfbb1}, /* 108x Alphabetic Presentation Forms */
{0xfbd3, 0xfd3d}, /* 363x Arabic Presentation Forms-A */
{0xfe76, 0xfefc}, /* 135x Arabic Presentation Forms-B */
{0xff10, 0xff19}, /* 10x Dubs */
{0xff21, 0xff3a}, /* 26x Dubs */
{0xff41, 0xff5a}, /* 26x Dubs */
{0xff66, 0xffbe}, /* 89x Dubs */
{0xffc2, 0xffc7}, /* 6x Dubs */
{0xffca, 0xffcf}, /* 6x Dubs */
{0xffd2, 0xffd7}, /* 6x Dubs */
{0xffda, 0xffdc}, /* 3x Dubs */
};
static const unsigned kAstralCodes[][2] = {
{0x10107, 0x10133}, /* 45x Aegean */
{0x10140, 0x10178}, /* 57x Ancient Greek Numbers */
{0x1018a, 0x1018b}, /* 2x Ancient Greek Numbers */
{0x10280, 0x1029c}, /* 29x Lycian */
{0x102a0, 0x102d0}, /* 49x Carian */
{0x102e1, 0x102fb}, /* 27x Coptic Epact Numbers */
{0x10300, 0x10323}, /* 36x Old Italic */
{0x1032d, 0x1034a}, /* 30x Old Italic, Gothic */
{0x10350, 0x10375}, /* 38x Old Permic */
{0x10380, 0x1039d}, /* 30x Ugaritic */
{0x103a0, 0x103c3}, /* 36x Old Persian */
{0x103c8, 0x103cf}, /* 8x Old Persian */
{0x103d1, 0x103d5}, /* 5x Old Persian */
{0x10400, 0x1049d}, /* 158x Deseret, Shavian, Osmanya */
{0x104b0, 0x104d3}, /* 36x Osage */
{0x104d8, 0x104fb}, /* 36x Osage */
{0x10500, 0x10527}, /* 40x Elbasan */
{0x10530, 0x10563}, /* 52x Caucasian Albanian */
{0x10600, 0x10736}, /* 311x Linear A */
{0x10800, 0x10805}, /* 6x Cypriot Syllabary */
{0x1080a, 0x10835}, /* 44x Cypriot Syllabary */
{0x10837, 0x10838}, /* 2x Cypriot Syllabary */
{0x1083f, 0x1089e}, /* 86x Cypriot,ImperialAramaic,Palmyrene,Nabataean */
{0x108e0, 0x108f2}, /* 19x Hatran */
{0x108f4, 0x108f5}, /* 2x Hatran */
{0x108fb, 0x1091b}, /* 33x Hatran */
{0x10920, 0x10939}, /* 26x Lydian */
{0x10980, 0x109b7}, /* 56x Meroitic Hieromarks */
{0x109bc, 0x109cf}, /* 20x Meroitic Cursive */
{0x109d2, 0x10a00}, /* 47x Meroitic Cursive */
{0x10a10, 0x10a13}, /* 4x Kharoshthi */
{0x10a15, 0x10a17}, /* 3x Kharoshthi */
{0x10a19, 0x10a35}, /* 29x Kharoshthi */
{0x10a40, 0x10a48}, /* 9x Kharoshthi */
{0x10a60, 0x10a7e}, /* 31x Old South Arabian */
{0x10a80, 0x10a9f}, /* 32x Old North Arabian */
{0x10ac0, 0x10ac7}, /* 8x Manichaean */
{0x10ac9, 0x10ae4}, /* 28x Manichaean */
{0x10aeb, 0x10aef}, /* 5x Manichaean */
{0x10b00, 0x10b35}, /* 54x Avestan */
{0x10b40, 0x10b55}, /* 22x Inscriptional Parthian */
{0x10b58, 0x10b72}, /* 27x Inscriptional Parthian and Pahlavi */
{0x10b78, 0x10b91}, /* 26x Inscriptional Pahlavi, Psalter Pahlavi */
{0x10c00, 0x10c48}, /* 73x Old Turkic */
{0x10c80, 0x10cb2}, /* 51x Old Hungarian */
{0x10cc0, 0x10cf2}, /* 51x Old Hungarian */
{0x10cfa, 0x10d23}, /* 42x Old Hungarian, Hanifi Rohingya */
{0x10d30, 0x10d39}, /* 10x Hanifi Rohingya */
{0x10e60, 0x10e7e}, /* 31x Rumi Numeral Symbols */
{0x10f00, 0x10f27}, /* 40x Old Sogdian */
{0x10f30, 0x10f45}, /* 22x Sogdian */
{0x10f51, 0x10f54}, /* 4x Sogdian */
{0x10fe0, 0x10ff6}, /* 23x Elymaic */
{0x11003, 0x11037}, /* 53x Brahmi */
{0x11052, 0x1106f}, /* 30x Brahmi */
{0x11083, 0x110af}, /* 45x Kaithi */
{0x110d0, 0x110e8}, /* 25x Sora Sompeng */
{0x110f0, 0x110f9}, /* 10x Sora Sompeng */
{0x11103, 0x11126}, /* 36x Chakma */
{0x11136, 0x1113f}, /* 10x Chakma */
{0x11144, 0x11144}, /* 1x Chakma */
{0x11150, 0x11172}, /* 35x Mahajani */
{0x11176, 0x11176}, /* 1x Mahajani */
{0x11183, 0x111b2}, /* 48x Sharada */
{0x111c1, 0x111c4}, /* 4x Sharada */
{0x111d0, 0x111da}, /* 11x Sharada */
{0x111dc, 0x111dc}, /* 1x Sharada */
{0x111e1, 0x111f4}, /* 20x Sinhala Archaic Numbers */
{0x11200, 0x11211}, /* 18x Khojki */
{0x11213, 0x1122b}, /* 25x Khojki */
{0x11280, 0x11286}, /* 7x Multani */
{0x11288, 0x11288}, /* 1x Multani */
{0x1128a, 0x1128d}, /* 4x Multani */
{0x1128f, 0x1129d}, /* 15x Multani */
{0x1129f, 0x112a8}, /* 10x Multani */
{0x112b0, 0x112de}, /* 47x Khudawadi */
{0x112f0, 0x112f9}, /* 10x Khudawadi */
{0x11305, 0x1130c}, /* 8x Grantha */
{0x1130f, 0x11310}, /* 2x Grantha */
{0x11313, 0x11328}, /* 22x Grantha */
{0x1132a, 0x11330}, /* 7x Grantha */
{0x11332, 0x11333}, /* 2x Grantha */
{0x11335, 0x11339}, /* 5x Grantha */
{0x1133d, 0x1133d}, /* 1x Grantha */
{0x11350, 0x11350}, /* 1x Grantha */
{0x1135d, 0x11361}, /* 5x Grantha */
{0x11400, 0x11434}, /* 53x Newa */
{0x11447, 0x1144a}, /* 4x Newa */
{0x11450, 0x11459}, /* 10x Newa */
{0x1145f, 0x1145f}, /* 1x Newa */
{0x11480, 0x114af}, /* 48x Tirhuta */
{0x114c4, 0x114c5}, /* 2x Tirhuta */
{0x114c7, 0x114c7}, /* 1x Tirhuta */
{0x114d0, 0x114d9}, /* 10x Tirhuta */
{0x11580, 0x115ae}, /* 47x Siddham */
{0x115d8, 0x115db}, /* 4x Siddham */
{0x11600, 0x1162f}, /* 48x Modi */
{0x11644, 0x11644}, /* 1x Modi */
{0x11650, 0x11659}, /* 10x Modi */
{0x11680, 0x116aa}, /* 43x Takri */
{0x116b8, 0x116b8}, /* 1x Takri */
{0x116c0, 0x116c9}, /* 10x Takri */
{0x11700, 0x1171a}, /* 27x Ahom */
{0x11730, 0x1173b}, /* 12x Ahom */
{0x11800, 0x1182b}, /* 44x Dogra */
{0x118a0, 0x118f2}, /* 83x Warang Citi */
{0x118ff, 0x118ff}, /* 1x Warang Citi */
{0x119a0, 0x119a7}, /* 8x Nandinagari */
{0x119aa, 0x119d0}, /* 39x Nandinagari */
{0x119e1, 0x119e1}, /* 1x Nandinagari */
{0x119e3, 0x119e3}, /* 1x Nandinagari */
{0x11a00, 0x11a00}, /* 1x Zanabazar Square */
{0x11a0b, 0x11a32}, /* 40x Zanabazar Square */
{0x11a3a, 0x11a3a}, /* 1x Zanabazar Square */
{0x11a50, 0x11a50}, /* 1x Soyombo */
{0x11a5c, 0x11a89}, /* 46x Soyombo */
{0x11a9d, 0x11a9d}, /* 1x Soyombo */
{0x11ac0, 0x11af8}, /* 57x Pau Cin Hau */
{0x11c00, 0x11c08}, /* 9x Bhaiksuki */
{0x11c0a, 0x11c2e}, /* 37x Bhaiksuki */
{0x11c40, 0x11c40}, /* 1x Bhaiksuki */
{0x11c50, 0x11c6c}, /* 29x Bhaiksuki */
{0x11c72, 0x11c8f}, /* 30x Marchen */
{0x11d00, 0x11d06}, /* 7x Masaram Gondi */
{0x11d08, 0x11d09}, /* 2x Masaram Gondi */
{0x11d0b, 0x11d30}, /* 38x Masaram Gondi */
{0x11d46, 0x11d46}, /* 1x Masaram Gondi */
{0x11d50, 0x11d59}, /* 10x Masaram Gondi */
{0x11d60, 0x11d65}, /* 6x Gunjala Gondi */
{0x11d67, 0x11d68}, /* 2x Gunjala Gondi */
{0x11d6a, 0x11d89}, /* 32x Gunjala Gondi */
{0x11d98, 0x11d98}, /* 1x Gunjala Gondi */
{0x11da0, 0x11da9}, /* 10x Gunjala Gondi */
{0x11ee0, 0x11ef2}, /* 19x Makasar */
{0x11fc0, 0x11fd4}, /* 21x Tamil Supplement */
{0x12000, 0x12399}, /* 922x Cuneiform */
{0x12400, 0x1246e}, /* 111x Cuneiform Numbers & Punctuation */
{0x12480, 0x12543}, /* 196x Early Dynastic Cuneiform */
{0x13000, 0x1342e}, /* 1071x Egyptian Hieromarks */
{0x14400, 0x14646}, /* 583x Anatolian Hieromarks */
{0x16800, 0x16a38}, /* 569x Bamum Supplement */
{0x16a40, 0x16a5e}, /* 31x Mro */
{0x16a60, 0x16a69}, /* 10x Mro */
{0x16ad0, 0x16aed}, /* 30x Bassa Vah */
{0x16b00, 0x16b2f}, /* 48x Pahawh Hmong */
{0x16b40, 0x16b43}, /* 4x Pahawh Hmong */
{0x16b50, 0x16b59}, /* 10x Pahawh Hmong */
{0x16b5b, 0x16b61}, /* 7x Pahawh Hmong */
{0x16b63, 0x16b77}, /* 21x Pahawh Hmong */
{0x16b7d, 0x16b8f}, /* 19x Pahawh Hmong */
{0x16e40, 0x16e96}, /* 87x Medefaidrin */
{0x16f00, 0x16f4a}, /* 75x Miao */
{0x16f50, 0x16f50}, /* 1x Miao */
{0x16f93, 0x16f9f}, /* 13x Miao */
{0x16fe0, 0x16fe1}, /* 2x Ideographic Symbols & Punctuation */
{0x16fe3, 0x16fe3}, /* 1x Ideographic Symbols & Punctuation */
{0x17000, 0x187f7}, /* 6136x Tangut */
{0x18800, 0x18af2}, /* 755x Tangut Components */
{0x1b000, 0x1b11e}, /* 287x Kana Supplement */
{0x1b150, 0x1b152}, /* 3x Small Kana Extension */
{0x1b164, 0x1b167}, /* 4x Small Kana Extension */
{0x1b170, 0x1b2fb}, /* 396x Nushu */
{0x1bc00, 0x1bc6a}, /* 107x Duployan */
{0x1bc70, 0x1bc7c}, /* 13x Duployan */
{0x1bc80, 0x1bc88}, /* 9x Duployan */
{0x1bc90, 0x1bc99}, /* 10x Duployan */
{0x1d2e0, 0x1d2f3}, /* 20x Mayan Numerals */
{0x1d360, 0x1d378}, /* 25x Counting Rod Numerals */
{0x1d400, 0x1d454}, /* 85x 𝐀..𝑔 Math */
{0x1d456, 0x1d49c}, /* 71x 𝑖..𝒜 Math */
{0x1d49e, 0x1d49f}, /* 2x 𝒞..𝒟 Math */
{0x1d4a2, 0x1d4a2}, /* 1x 𝒢..𝒢 Math */
{0x1d4a5, 0x1d4a6}, /* 2x 𝒥..𝒦 Math */
{0x1d4a9, 0x1d4ac}, /* 4x 𝒩..𝒬 Math */
{0x1d4ae, 0x1d4b9}, /* 12x 𝒮..𝒹 Math */
{0x1d4bb, 0x1d4bb}, /* 1x 𝒻..𝒻 Math */
{0x1d4bd, 0x1d4c3}, /* 7x 𝒽..𝓃 Math */
{0x1d4c5, 0x1d505}, /* 65x 𝓅..𝔅 Math */
{0x1d507, 0x1d50a}, /* 4x 𝔇..𝔊 Math */
{0x1d50d, 0x1d514}, /* 8x 𝔍..𝔔 Math */
{0x1d516, 0x1d51c}, /* 7x 𝔖..𝔜 Math */
{0x1d51e, 0x1d539}, /* 28x 𝔞..𝔹 Math */
{0x1d53b, 0x1d53e}, /* 4x 𝔻..𝔾 Math */
{0x1d540, 0x1d544}, /* 5x 𝕀..𝕄 Math */
{0x1d546, 0x1d546}, /* 1x 𝕆..𝕆 Math */
{0x1d54a, 0x1d550}, /* 7x 𝕊..𝕐 Math */
{0x1d552, 0x1d6a5}, /* 340x 𝕒..𝚥 Math */
{0x1d6a8, 0x1d6c0}, /* 25x 𝚨..𝛀 Math */
{0x1d6c2, 0x1d6da}, /* 25x 𝛂..𝛚 Math */
{0x1d6dc, 0x1d6fa}, /* 31x 𝛜..𝛺 Math */
{0x1d6fc, 0x1d714}, /* 25x 𝛼..𝜔 Math */
{0x1d716, 0x1d734}, /* 31x 𝜖..𝜴 Math */
{0x1d736, 0x1d74e}, /* 25x 𝜶..𝝎 Math */
{0x1d750, 0x1d76e}, /* 31x 𝝐..𝝮 Math */
{0x1d770, 0x1d788}, /* 25x 𝝰..𝞈 Math */
{0x1d78a, 0x1d7a8}, /* 31x 𝞊..𝞨 Math */
{0x1d7aa, 0x1d7c2}, /* 25x 𝞪..𝟂 Math */
{0x1d7c4, 0x1d7cb}, /* 8x 𝟄..𝟋 Math */
{0x1d7ce, 0x1d9ff}, /* 562x Math, Sutton SignWriting */
{0x1f100, 0x1f10c}, /* 13x Enclosed Alphanumeric Supplement */
{0x20000, 0x2a6d6}, /* 42711x CJK Unified Ideographs Extension B */
{0x2a700, 0x2b734}, /* 4149x CJK Unified Ideographs Extension C */
{0x2b740, 0x2b81d}, /* 222x CJK Unified Ideographs Extension D */
{0x2b820, 0x2cea1}, /* 5762x CJK Unified Ideographs Extension E */
{0x2ceb0, 0x2ebe0}, /* 7473x CJK Unified Ideographs Extension F */
{0x2f800, 0x2fa1d}, /* 542x CJK Compatibility Ideographs Supplement */
};
/**
* Returns nonzero if 𝑐 isn't alphanumeric.
*
* Line reading interfaces generally define this operation as UNICODE
* characters that aren't in the letter category (Lu, Ll, Lt, Lm, Lo)
* and aren't in the number categorie (Nd, Nl, No). We also add a few
* other things like blocks and emoji (So).
*/
int iswseparator(wint_t c) {
int m, l, r, n;
if (c < 0200) {
return !(('0' <= c && c <= '9') || ('A' <= c && c <= 'Z') ||
('a' <= c && c <= 'z'));
}
if (c <= 0xffff) {
l = 0;
r = n = sizeof(kCodes) / sizeof(kCodes[0]);
while (l < r) {
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
if (kCodes[m][1] < c) {
l = m + 1;
} else {
r = m;
}
}
return !(l < n && kCodes[l][0] <= c && c <= kCodes[l][1]);
} else {
l = 0;
r = n = sizeof(kAstralCodes) / sizeof(kAstralCodes[0]);
while (l < r) {
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
if (kAstralCodes[m][1] < c) {
l = m + 1;
} else {
r = m;
}
}
return !(l < n && kAstralCodes[l][0] <= c && c <= kAstralCodes[l][1]);
}
}