# # # Nimrod's Runtime Library # (c) Copyright 2010 Andreas Rumpf # # See the file "copying.txt", included in this # distribution, for details about the copyright. # ## This module provides support to handle the Unicode UTF-8 encoding. {.deadCodeElim: on.} include "system/inclrtl" type irune = int # underlying type of TRune TRune* = distinct irune ## type that can hold any Unicode character TRune16* = distinct int16 ## 16 bit Unicode character proc `<=%`*(a, b: TRune): bool {.borrow.} proc `<%`*(a, b: TRune): bool {.borrow.} proc `==`*(a, b: TRune): bool {.borrow.} template ones(n: expr): expr = ((1 shl n)-1) proc runeLen*(s: string): int {.rtl, extern: "nuc$1".} = ## returns the number of Unicode characters of the string `s`. var i = 0 while i < len(s): if ord(s[i]) <=% 127: inc(i) elif ord(s[i]) shr 5 == 0b110: inc(i, 2) elif ord(s[i]) shr 4 == 0b1110: inc(i, 3) elif ord(s[i]) shr 3 == 0b11110: inc(i, 4) else: assert(false) inc(result) proc runeLenAt*(s: string, i: int): int = ## returns the number of bytes the rune starting at ``s[i]`` takes. if ord(s[i]) <=% 127: result = 1 elif ord(s[i]) shr 5 == 0b110: result = 2 elif ord(s[i]) shr 4 == 0b1110: result = 3 elif ord(s[i]) shr 3 == 0b11110: result = 4 else: assert(false) template fastRuneAt*(s: string, i: int, result: expr, doInc = true) = ## Returns the unicode character ``s[i]`` in `result`. If ``doInc == true`` ## `i` is incremented by the number of bytes that have been processed. if ord(s[i]) <=% 127: result = TRune(ord(s[i])) when doInc: inc(i) elif ord(s[i]) shr 5 == 0b110: assert(ord(s[i+1]) shr 6 == 0b10) result = TRune((ord(s[i]) and (bind ones(5))) shl 6 or (ord(s[i+1]) and ones(6))) when doInc: inc(i, 2) elif ord(s[i]) shr 4 == 0b1110: assert(ord(s[i+1]) shr 6 == 0b10) assert(ord(s[i+2]) shr 6 == 0b10) result = TRune((ord(s[i]) and ones(4)) shl 12 or (ord(s[i+1]) and ones(6)) shl 6 or (ord(s[i+2]) and ones(6))) when doInc: inc(i, 3) elif ord(s[i]) shr 3 == 0b11110: assert(ord(s[i+1]) shr 6 == 0b10) assert(ord(s[i+2]) shr 6 == 0b10) assert(ord(s[i+3]) shr 6 == 0b10) result = TRune((ord(s[i]) and ones(3)) shl 18 or (ord(s[i+1]) and ones(6)) shl 12 or (ord(s[i+2]) and ones(6)) shl 6 or (ord(s[i+3]) and ones(6))) when doInc: inc(i, 4) else: assert(false) proc runeAt*(s: string, i: int): TRune = ## returns the unicode character in `s` at byte index `i` fastRuneAt(s, i, result, false) proc toUTF8*(c: TRune): string {.rtl, extern: "nuc$1".} = ## converts a rune into its UTF8 representation var i = irune(c) if i <=% 127: result = newString(1) result[0] = chr(i) elif i <=% 0x07FF: result = newString(2) result[0] = chr((i shr 6) or 0b110_00000) result[1] = chr((i and ones(6)) or 0b10_000000) elif i <=% 0xFFFF: result = newString(3) result[0] = chr(i shr 12 or 0b1110_0000) result[1] = chr(i shr 6 and ones(6) or 0b10_0000_00) result[2] = chr(i and ones(6) or 0b10_0000_00) elif i <=% 0x0010FFFF: result = newString(4) result[0] = chr(i shr 18 or 0b1111_0000) result[1] = chr(i shr 12 and ones(6) or 0b10_0000_00) result[2] = chr(i shr 6 and ones(6) or 0b10_0000_00) result[3] = chr(i and ones(6) or 0b10_0000_00) else: assert false const alphaRanges = [ 0x00d8, 0x00f6, # Ø - ö 0x00f8, 0x01f5, # ø - ǵ 0x0250, 0x02a8, # ɐ - ʨ 0x038e, 0x03a1, # Ύ - Ρ 0x03a3, 0x03ce, # Σ - ώ 0x03d0, 0x03d6, # ϐ - ϖ 0x03e2, 0x03f3, # Ϣ - ϳ 0x0490, 0x04c4, # Ґ - ӄ 0x0561, 0x0587, # ա - և 0x05d0, 0x05ea, # א - ת 0x05f0, 0x05f2, # װ - ײ 0x0621, 0x063a, # ء - غ 0x0640, 0x064a, # ـ - ي 0x0671, 0x06b7, # ٱ - ڷ 0x06ba, 0x06be, # ں - ھ 0x06c0, 0x06ce, # ۀ - ێ 0x06d0, 0x06d3, # ې - ۓ 0x0905, 0x0939, # अ - ह 0x0958, 0x0961, # क़ - ॡ 0x0985, 0x098c, # অ - ঌ 0x098f, 0x0990, # এ - ঐ 0x0993, 0x09a8, # ও - ন 0x09aa, 0x09b0, # প - র 0x09b6, 0x09b9, # শ - হ 0x09dc, 0x09dd, # ড় - ঢ় 0x09df, 0x09e1, # য় - ৡ 0x09f0, 0x09f1, # ৰ - ৱ 0x0a05, 0x0a0a, # ਅ - ਊ 0x0a0f, 0x0a10, # ਏ - ਐ 0x0a13, 0x0a28, # ਓ - ਨ 0x0a2a, 0x0a30, # ਪ - ਰ 0x0a32, 0x0a33, # ਲ - ਲ਼ 0x0a35, 0x0a36, # ਵ - ਸ਼ 0x0a38, 0x0a39, # ਸ - ਹ 0x0a59, 0x0a5c, # ਖ਼ - ੜ 0x0a85, 0x0a8b, # અ - ઋ 0x0a8f, 0x0a91, # એ - ઑ 0x0a93, 0x0aa8, # ઓ - ન 0x0aaa, 0x0ab0, # પ - ર 0x0ab2, 0x0ab3, # લ - ળ 0x0ab5, 0x0ab9, # વ - હ 0x0b05, 0x0b0c, # ଅ - ଌ 0x0b0f, 0x0b10, # ଏ - ଐ 0x0b13, 0x0b28, # ଓ - ନ 0x0b2a, 0x0b30, # ପ - ର 0x0b32, 0x0b33, # ଲ - ଳ 0x0b36, 0x0b39, # ଶ - ହ 0x0b5c, 0x0b5d, # ଡ଼ - ଢ଼ 0x0b5f, 0x0b61, # ୟ - ୡ 0x0b85, 0x0b8a, # அ - ஊ 0x0b8e, 0x0b90, # எ - ஐ 0x0b92, 0x0b95, # ஒ - க 0x0b99, 0x0b9a, # ங - ச 0x0b9e, 0x0b9f, # ஞ - ட 0x0ba3, 0x0ba4, # ண - த 0x0ba8, 0x0baa, # ந - ப 0x0bae, 0x0bb5, # ம - வ 0x0bb7, 0x0bb9, # ஷ - ஹ 0x0c05, 0x0c0c, # అ - ఌ 0x0c0e, 0x0c10, # ఎ - ఐ 0x0c12, 0x0c28, # ఒ - న 0x0c2a, 0x0c33, # ప - ళ 0x0c35, 0x0c39, # వ - హ 0x0c60, 0x0c61, # ౠ - ౡ 0x0c85, 0x0c8c, # ಅ - ಌ 0x0c8e, 0x0c90, # ಎ - ಐ 0x0c92, 0x0ca8, # ಒ - ನ 0x0caa, 0x0cb3, # ಪ - ಳ 0x0cb5, 0x0cb9, # ವ - ಹ 0x0ce0, 0x0ce1, # ೠ - ೡ 0x0d05, 0x0d0c, # അ - ഌ 0x0d0e, 0x0d10, # എ - ഐ 0x0d12, 0x0d28, # ഒ - ന 0x0d2a, 0x0d39, # പ - ഹ 0x0d60, 0x0d61, # ൠ - ൡ 0x0e01, 0x0e30, # ก - ะ 0x0e32, 0x0e33, # า - ำ 0x0e40, 0x0e46, # เ - ๆ 0x0e5a, 0x0e5b, # ๚ - ๛ 0x0e81, 0x0e82, # ກ - ຂ 0x0e87, 0x0e88, # ງ - ຈ 0x0e94, 0x0e97, # ດ - ທ 0x0e99, 0x0e9f, # ນ - ຟ 0x0ea1, 0x0ea3, # ມ - ຣ 0x0eaa, 0x0eab, # ສ - ຫ 0x0ead, 0x0eae, # ອ - ຮ 0x0eb2, 0x0eb3, # າ - ຳ 0x0ec0, 0x0ec4, # ເ - ໄ 0x0edc, 0x0edd, # ໜ - ໝ 0x0f18, 0x0f19, # ༘ - ༙ 0x0f40, 0x0f47, # ཀ - ཇ 0x0f49, 0x0f69, # ཉ - ཀྵ 0x10d0, 0x10f6, # ა - ჶ 0x1100, 0x1159, # ᄀ - ᅙ 0x115f, 0x11a2, # ᅟ - ᆢ 0x11a8, 0x11f9, # ᆨ - ᇹ 0x1e00, 0x1e9b, # Ḁ - ẛ 0x1f50, 0x1f57, # ὐ - ὗ 0x1f80, 0x1fb4, # ᾀ - ᾴ 0x1fb6, 0x1fbc, # ᾶ - ᾼ 0x1fc2, 0x1fc4, # ῂ - ῄ 0x1fc6, 0x1fcc, # ῆ - ῌ 0x1fd0, 0x1fd3, # ῐ - ΐ 0x1fd6, 0x1fdb, # ῖ - Ί 0x1fe0, 0x1fec, # ῠ - Ῥ 0x1ff2, 0x1ff4, # ῲ - ῴ 0x1ff6, 0x1ffc, # ῶ - ῼ 0x210a, 0x2113, # ℊ - ℓ 0x2115, 0x211d, # ℕ - ℝ 0x2120, 0x2122, # ℠ - ™ 0x212a, 0x2131, # K - ℱ 0x2133, 0x2138, # ℳ - ℸ 0x3041, 0x3094, # ぁ - ゔ 0x30a1, 0x30fa, # ァ - ヺ 0x3105, 0x312c, # ㄅ - ㄬ 0x3131, 0x318e, # ㄱ - ㆎ 0x3192, 0x319f, # ㆒ - ㆟ 0x3260, 0x327b, # ㉠ - ㉻ 0x328a, 0x32b0, # ㊊ - ㊰ 0x32d0, 0x32fe, # ㋐ - ㋾ 0x3300, 0x3357, # ㌀ - ㍗ 0x3371, 0x3376, # ㍱ - ㍶ 0x337b, 0x3394, # ㍻ - ㎔ 0x3399, 0x339e, # ㎙ - ㎞ 0x33a9, 0x33ad, # ㎩ - ㎭ 0x33b0, 0x33c1, # ㎰ - ㏁ 0x33c3, 0x33c5, # ㏃ - ㏅ 0x33c7, 0x33d7, # ㏇ - ㏗ 0x33d9, 0x33dd, # ㏙ - ㏝ 0x4e00, 0x9fff, # 一 - 鿿 0xac00, 0xd7a3, # 가 - 힣 0xf900, 0xfb06, # 豈 - st 0xfb13, 0xfb17, # ﬓ - ﬗ 0xfb1f, 0xfb28, # ײַ - ﬨ 0xfb2a, 0xfb36, # שׁ - זּ 0xfb38, 0xfb3c, # טּ - לּ 0xfb40, 0xfb41, # נּ - סּ 0xfb43, 0xfb44, # ףּ - פּ 0xfb46, 0xfbb1, # צּ - ﮱ 0xfbd3, 0xfd3d, # ﯓ - ﴽ 0xfd50, 0xfd8f, # ﵐ - ﶏ 0xfd92, 0xfdc7, # ﶒ - ﷇ 0xfdf0, 0xfdf9, # ﷰ - ﷹ 0xfe70, 0xfe72, # ﹰ - ﹲ 0xfe76, 0xfefc, # ﹶ - ﻼ 0xff66, 0xff6f, # ｦ - ｯ 0xff71, 0xff9d, # ｱ - ﾝ 0xffa0, 0xffbe, # ﾠ - ﾾ 0xffc2, 0xffc7, # ￂ - ￇ 0xffca, 0xffcf, # ￊ - ￏ 0xffd2, 0xffd7, # ￒ - ￗ 0xffda, 0xffdc] # ￚ - ￜ alphaSinglets = [ 0x00aa, # ª 0x00b5, # µ 0x00ba, # º 0x03da, # Ϛ 0x03dc, # Ϝ 0x03de, # Ϟ 0x03e0, # Ϡ 0x06d5, # ە 0x09b2, # ল 0x0a5e, # ਫ਼ 0x0a8d, # ઍ 0x0ae0, # ૠ 0x0b9c, # ஜ 0x0cde, # ೞ 0x0e4f, # ๏ 0x0e84, # ຄ 0x0e8a, # ຊ 0x0e8d, # ຍ 0x0ea5, # ລ 0x0ea7, # ວ 0x0eb0, # ະ 0x0ebd, # ຽ 0x1fbe, # ι 0x207f, # ⁿ 0x20a8, # ₨ 0x2102, # ℂ 0x2107, # ℇ 0x2124, # ℤ 0x2126, # Ω 0x2128, # ℨ 0xfb3e, # מּ 0xfe74] # ﹴ spaceRanges = [ 0x0009, 0x000a, # tab and newline 0x0020, 0x0020, # space 0x00a0, 0x00a0, #   0x2000, 0x200b, #   - ​ 0x2028, 0x2029, # - 
 0x3000, 0x3000, # 　 0xfeff, 0xfeff] #  toupperRanges = [ 0x0061, 0x007a, 468, # a-z A-Z 0x00e0, 0x00f6, 468, # à-ö À-Ö 0x00f8, 0x00fe, 468, # ø-þ Ø-Þ 0x0256, 0x0257, 295, # ɖ-ɗ Ɖ-Ɗ 0x0258, 0x0259, 298, # ɘ-ə Ǝ-Ə 0x028a, 0x028b, 283, # ʊ-ʋ Ʊ-Ʋ 0x03ad, 0x03af, 463, # έ-ί Έ-Ί 0x03b1, 0x03c1, 468, # α-ρ Α-Ρ 0x03c3, 0x03cb, 468, # σ-ϋ Σ-Ϋ 0x03cd, 0x03ce, 437, # ύ-ώ Ύ-Ώ 0x0430, 0x044f, 468, # а-я А-Я 0x0451, 0x045c, 420, # ё-ќ Ё-Ќ 0x045e, 0x045f, 420, # ў-џ Ў-Џ 0x0561, 0x0586, 452, # ա-ֆ Ա-Ֆ 0x1f00, 0x1f07, 508, # ἀ-ἇ Ἀ-Ἇ 0x1f10, 0x1f15, 508, # ἐ-ἕ Ἐ-Ἕ 0x1f20, 0x1f27, 508, # ἠ-ἧ Ἠ-Ἧ 0x1f30, 0x1f37, 508, # ἰ-ἷ Ἰ-Ἷ 0x1f40, 0x1f45, 508, # ὀ-ὅ Ὀ-Ὅ 0x1f60, 0x1f67, 508, # ὠ-ὧ Ὠ-Ὧ 0x1f70, 0x1f71, 574, # ὰ-ά Ὰ-Ά 0x1f72, 0x1f75, 586, # ὲ-ή Ὲ-Ή 0x1f76, 0x1f77, 600, # ὶ-ί Ὶ-Ί 0x1f78, 0x1f79, 628, # ὸ-ό Ὸ-Ό 0x1f7a, 0x1f7b, 612, # ὺ-ύ Ὺ-Ύ 0x1f7c, 0x1f7d, 626, # ὼ-ώ Ὼ-Ώ 0x1f80, 0x1f87, 508, # ᾀ-ᾇ ᾈ-ᾏ 0x1f90, 0x1f97, 508, # ᾐ-ᾗ ᾘ-ᾟ 0x1fa0, 0x1fa7, 508, # ᾠ-ᾧ ᾨ-ᾯ 0x1fb0, 0x1fb1, 508, # ᾰ-ᾱ Ᾰ-Ᾱ 0x1fd0, 0x1fd1, 508, # ῐ-ῑ Ῐ-Ῑ 0x1fe0, 0x1fe1, 508, # ῠ-ῡ Ῠ-Ῡ 0x2170, 0x217f, 484, # ⅰ-ⅿ Ⅰ-Ⅿ 0x24d0, 0x24e9, 474, # ⓐ-ⓩ Ⓐ-Ⓩ 0xff41, 0xff5a, 468] # ａ-ｚ Ａ-Ｚ toupperSinglets = [ 0x00ff, 621, # ÿ Ÿ 0x0101, 499, # ā Ā 0x0103, 499, # ă Ă 0x0105, 499, # ą Ą 0x0107, 499, # ć Ć 0x0109, 499, # ĉ Ĉ 0x010b, 499, # ċ Ċ 0x010d, 499, # č Č 0x010f, 499, # ď Ď 0x0111, 499, # đ Đ 0x0113, 499, # ē Ē 0x0115, 499, # ĕ Ĕ 0x0117, 499, # ė Ė 0x0119, 499, # ę Ę 0x011b, 499, # ě Ě 0x011d, 499, # ĝ Ĝ 0x011f, 499, # ğ Ğ 0x0121, 499, # ġ Ġ 0x0123, 499, # ģ Ģ 0x0125, 499, # ĥ Ĥ 0x0127, 499, # ħ Ħ 0x0129, 499, # ĩ Ĩ 0x012b, 499, # ī Ī 0x012d, 499, # ĭ Ĭ 0x012f, 499, # į Į 0x0131, 268, # ı I 0x0133, 499, # ij IJ 0x0135, 499, # ĵ Ĵ 0x0137, 499, # ķ Ķ 0x013a, 499, # ĺ Ĺ 0x013c, 499, # ļ Ļ 0x013e, 499, # ľ Ľ 0x0140, 499, # ŀ Ŀ 0x0142, 499, # ł Ł 0x0144, 499, # ń Ń 0x0146, 499, # ņ Ņ 0x0148, 499, # ň Ň 0x014b, 499, # ŋ Ŋ 0x014d, 499, # ō Ō 0x014f, 499, # ŏ Ŏ 0x0151, 499, # ő Ő 0x0153, 499, # œ Œ 0x0155, 499, # ŕ Ŕ 0x0157, 499, # ŗ Ŗ 0x0159, 499, # ř Ř 0x015b, 499, # ś Ś 0x015d, 499, # ŝ Ŝ 0x015f, 499, # ş Ş 0x0161, 499, # š Š 0x0163, 499, # ţ Ţ 0x0165, 499, # ť Ť 0x0167, 499, # ŧ Ŧ 0x0169, 499, # ũ Ũ 0x016b, 499, # ū Ū 0x016d, 499, # ŭ Ŭ 0x016f, 499, # ů Ů 0x0171, 499, # ű Ű 0x0173, 499, # ų Ų 0x0175, 499, # ŵ Ŵ 0x0177, 499, # ŷ Ŷ 0x017a, 499, # ź Ź 0x017c, 499, # ż Ż 0x017e, 499, # ž Ž 0x017f, 200, # ſ S 0x0183, 499, # ƃ Ƃ 0x0185, 499, # ƅ Ƅ 0x0188, 499, # ƈ Ƈ 0x018c, 499, # ƌ Ƌ 0x0192, 499, # ƒ Ƒ 0x0199, 499, # ƙ Ƙ 0x01a1, 499, # ơ Ơ 0x01a3, 499, # ƣ Ƣ 0x01a5, 499, # ƥ Ƥ 0x01a8, 499, # ƨ Ƨ 0x01ad, 499, # ƭ Ƭ 0x01b0, 499, # ư Ư 0x01b4, 499, # ƴ Ƴ 0x01b6, 499, # ƶ Ƶ 0x01b9, 499, # ƹ Ƹ 0x01bd, 499, # ƽ Ƽ 0x01c5, 499, # Dž DŽ 0x01c6, 498, # dž DŽ 0x01c8, 499, # Lj LJ 0x01c9, 498, # lj LJ 0x01cb, 499, # Nj NJ 0x01cc, 498, # nj NJ 0x01ce, 499, # ǎ Ǎ 0x01d0, 499, # ǐ Ǐ 0x01d2, 499, # ǒ Ǒ 0x01d4, 499, # ǔ Ǔ 0x01d6, 499, # ǖ Ǖ 0x01d8, 499, # ǘ Ǘ 0x01da, 499, # ǚ Ǚ 0x01dc, 499, # ǜ Ǜ 0x01df, 499, # ǟ Ǟ 0x01e1, 499, # ǡ Ǡ 0x01e3, 499, # ǣ Ǣ 0x01e5, 499, # ǥ Ǥ 0x01e7, 499, # ǧ Ǧ 0x01e9, 499, # ǩ Ǩ 0x01eb, 499, # ǫ Ǫ 0x01ed, 499, # ǭ Ǭ 0x01ef, 499, # ǯ Ǯ 0x01f2, 499, # Dz DZ 0x01f3, 498, # dz DZ 0x01f5, 499, # ǵ Ǵ 0x01fb, 499, # ǻ Ǻ 0x01fd, 499, # ǽ Ǽ 0x01ff, 499, # ǿ Ǿ 0x0201, 499, # ȁ Ȁ 0x0203, 499, # ȃ Ȃ 0x0205, 499, # ȅ Ȅ 0x0207, 499, # ȇ Ȇ 0x0209, 499, # ȉ Ȉ 0x020b, 499, # ȋ Ȋ 0x020d, 499, # ȍ Ȍ 0x020f, 499, # ȏ Ȏ 0x0211, 499, # ȑ Ȑ 0x0213, 499, # ȓ Ȓ 0x0215, 499, # ȕ Ȕ 0x0217, 499, # ȗ Ȗ 0x0253, 290, # ɓ Ɓ 0x0254, 294, # ɔ Ɔ 0x025b, 297, # ɛ Ɛ 0x0260, 295, # ɠ Ɠ 0x0263, 293, # ɣ Ɣ 0x0268, 291, # ɨ Ɨ 0x0269, 289, # ɩ Ɩ 0x026f, 289, # ɯ Ɯ 0x0272, 287, # ɲ Ɲ 0x0283, 282, # ʃ Ʃ 0x0288, 282, # ʈ Ʈ 0x0292, 281, # ʒ Ʒ 0x03ac, 462, # ά Ά 0x03cc, 436, # ό Ό 0x03d0, 438, # ϐ Β 0x03d1, 443, # ϑ Θ 0x03d5, 453, # ϕ Φ 0x03d6, 446, # ϖ Π 0x03e3, 499, # ϣ Ϣ 0x03e5, 499, # ϥ Ϥ 0x03e7, 499, # ϧ Ϧ 0x03e9, 499, # ϩ Ϩ 0x03eb, 499, # ϫ Ϫ 0x03ed, 499, # ϭ Ϭ 0x03ef, 499, # ϯ Ϯ 0x03f0, 414, # ϰ Κ 0x03f1, 420, # ϱ Ρ 0x0461, 499, # ѡ Ѡ 0x0463, 499, # ѣ Ѣ 0x0465, 499, # ѥ Ѥ 0x0467, 499, # ѧ Ѧ 0x0469, 499, # ѩ Ѩ 0x046b, 499, # ѫ Ѫ 0x046d, 499, # ѭ Ѭ 0x046f, 499, # ѯ Ѯ 0x0471, 499, # ѱ Ѱ 0x0473, 499, # ѳ Ѳ 0x0475, 499, # ѵ Ѵ 0x0477, 499, # ѷ Ѷ 0x0479, 499, # ѹ Ѹ 0x047b, 499, # ѻ Ѻ 0x047d, 499, # ѽ Ѽ 0x047f, 499, # ѿ Ѿ 0x0481, 499, # ҁ Ҁ 0x0491, 499, # ґ Ґ 0x0493, 499, # ғ Ғ 0x0495, 499, # ҕ Ҕ 0x0497, 499, # җ Җ 0x0499, 499, # ҙ Ҙ 0x049b, 499, # қ Қ 0x049d, 499, # ҝ Ҝ 0x049f, 499, # ҟ Ҟ 0x04a1, 499, # ҡ Ҡ 0x04a3, 499, # ң Ң 0x04a5, 499, # ҥ Ҥ 0x04a7, 499, # ҧ Ҧ 0x04a9, 499, # ҩ Ҩ 0x04ab, 499, # ҫ Ҫ 0x04ad, 499, # ҭ Ҭ 0x04af, 499, # ү Ү 0x04b1, 499, # ұ Ұ 0x04b3, 499, # ҳ Ҳ 0x04b5, 499, # ҵ Ҵ 0x04b7, 499, # ҷ Ҷ 0x04b9, 499, # ҹ Ҹ 0x04bb, 499, # һ Һ 0x04bd, 499, # ҽ Ҽ 0x04bf, 499, # ҿ Ҿ 0x04c2, 499, # ӂ Ӂ 0x04c4, 499, # ӄ Ӄ 0x04c8, 499, # ӈ Ӈ 0x04cc, 499, # ӌ Ӌ 0x04d1, 499, # ӑ Ӑ 0x04d3, 499, # ӓ Ӓ 0x04d5, 499, # ӕ Ӕ 0x04d7, 499, # ӗ Ӗ 0x04d9, 499, # ә Ә 0x04db, 499, # ӛ Ӛ 0x04dd, 499, # ӝ Ӝ 0x04df, 499, # ӟ Ӟ 0x04e1, 499, # ӡ Ӡ 0x04e3, 499, # ӣ Ӣ 0x04e5, 499, # ӥ Ӥ 0x04e7, 499, # ӧ Ӧ 0x04e9, 499, # ө Ө 0x04eb, 499, # ӫ Ӫ 0x04ef, 499, # ӯ Ӯ 0x04f1, 499, # ӱ Ӱ 0x04f3, 499, # ӳ Ӳ 0x04f5, 499, # ӵ Ӵ 0x04f9, 499, # ӹ Ӹ 0x1e01, 499, # ḁ Ḁ 0x1e03, 499, # ḃ Ḃ 0x1e05, 499, # ḅ Ḅ 0x1e07, 499, # ḇ Ḇ 0x1e09, 499, # ḉ Ḉ 0x1e0b, 499, # ḋ Ḋ 0x1e0d, 499, # ḍ Ḍ 0x1e0f, 499, # ḏ Ḏ 0x1e11, 499, # ḑ Ḑ 0x1e13, 499, # ḓ Ḓ 0x1e15, 499, # ḕ Ḕ 0x1e17, 499, # ḗ Ḗ 0x1e19, 499, # ḙ Ḙ 0x1e1b, 499, # ḛ Ḛ 0x1e1d, 499, # ḝ Ḝ 0x1e1f, 499, # ḟ Ḟ 0x1e21, 499, # ḡ Ḡ 0x1e23, 499, # ḣ Ḣ 0x1e25, 499, # ḥ Ḥ 0x1e27, 499, # ḧ Ḧ 0x1e29, 499, # ḩ Ḩ 0x1e2b, 499, # ḫ Ḫ 0x1e2d, 499, # ḭ Ḭ 0x1e2f, 499, # ḯ Ḯ 0x1e31, 499, # ḱ Ḱ 0x1e33, 499, # ḳ Ḳ 0x1e35, 499, # ḵ Ḵ 0x1e37, 499, # ḷ Ḷ 0x1e39, 499, # ḹ Ḹ 0x1e3b, 499, # ḻ Ḻ 0x1e3d, 499, # ḽ Ḽ 0x1e3f, 499, # ḿ Ḿ 0x1e41, 499, # ṁ Ṁ 0x1e43, 499, # ṃ Ṃ 0x1e45, 499, # ṅ Ṅ 0x1e47, 499, # ṇ Ṇ 0x1e49, 499, # ṉ Ṉ 0x1e4b, 499, # ṋ Ṋ 0x1e4d, 499, # ṍ Ṍ 0x1e4f, 499, # ṏ Ṏ 0x1e51, 499, # ṑ Ṑ 0x1e53, 499, # ṓ Ṓ 0x1e55, 499, # ṕ Ṕ 0x1e57, 499, # ṗ Ṗ 0x1e59, 499, # ṙ Ṙ 0x1e5b, 499, # ṛ Ṛ 0x1e5d, 499, # ṝ Ṝ 0x1e5f, 499, # ṟ Ṟ 0x1e61, 499, # ṡ Ṡ 0x1e63, 499, # ṣ Ṣ 0x1e65, 499, # ṥ Ṥ 0x1e67, 499, # ṧ Ṧ 0x1e69, 499, # ṩ Ṩ 0x1e6b, 499, # ṫ Ṫ 0x1e6d, 499, # ṭ Ṭ 0x1e6f, 499, # ṯ Ṯ 0x1e71, 499, # ṱ Ṱ 0x1e73, 499, # ṳ Ṳ 0x1e75, 499, # ṵ Ṵ 0x1e77, 499, # ṷ Ṷ 0x1e79, 499, # ṹ Ṹ 0x1e7b, 499, # ṻ Ṻ 0x1e7d, 499, # ṽ Ṽ 0x1e7f, 499, # ṿ Ṿ 0x1e81, 499, # ẁ Ẁ 0x1e83, 499, # ẃ Ẃ 0x1e85, 499, # ẅ Ẅ 0x1e87, 499, # ẇ Ẇ 0x1e89, 499, # ẉ Ẉ 0x1e8b, 499, # ẋ Ẋ 0x1e8d, 499, # ẍ Ẍ 0x1e8f, 499, # ẏ Ẏ 0x1e91, 499, # ẑ Ẑ 0x1e93, 499, # ẓ Ẓ 0x1e95, 499, # ẕ Ẕ 0x1ea1, 499, # ạ Ạ 0x1ea3, 499, # ả Ả 0x1ea5, 499, # ấ Ấ 0x1ea7, 499, # ầ Ầ 0x1ea9, 499, # ẩ Ẩ 0x1eab, 499, # ẫ Ẫ 0x1ead, 499, # ậ Ậ 0x1eaf, 499, # ắ Ắ 0x1eb1, 499, # ằ Ằ 0x1eb3, 499, # ẳ Ẳ 0x1eb5, 499, # ẵ Ẵ 0x1eb7, 499, # ặ Ặ 0x1eb9, 499, # ẹ Ẹ 0x1ebb, 499, # ẻ Ẻ 0x1ebd, 499, # ẽ Ẽ 0x1ebf, 499, # ế Ế 0x1ec1, 499, # ề Ề 0x1ec3, 499, # ể Ể 0x1ec5, 499, # ễ Ễ 0x1ec7, 499, # ệ Ệ 0x1ec9, 499, # ỉ Ỉ 0x1ecb, 499, # ị Ị 0x1ecd, 499, # ọ Ọ 0x1ecf, 499, # ỏ Ỏ 0x1ed1, 499, # ố Ố 0x1ed3, 499, # ồ Ồ 0x1ed5, 499, # ổ Ổ 0x1ed7, 499, # ỗ Ỗ 0x1ed9, 499, # ộ Ộ 0x1edb, 499, # ớ Ớ 0x1edd, 499, # ờ Ờ 0x1edf, 499, # ở Ở 0x1ee1, 499, # ỡ Ỡ 0x1ee3, 499, # ợ Ợ 0x1ee5, 499, # ụ Ụ 0x1ee7, 499, # ủ Ủ 0x1ee9, 499, # ứ Ứ 0x1eeb, 499, # ừ Ừ 0x1eed, 499, # ử Ử 0x1eef, 499, # ữ Ữ 0x1ef1, 499, # ự Ự 0x1ef3, 499, # ỳ Ỳ 0x1ef5, 499, # ỵ Ỵ 0x1ef7, 499, # ỷ Ỷ 0x1ef9, 499, # ỹ Ỹ 0x1f51, 508, # ὑ Ὑ 0x1f53, 508, # ὓ Ὓ 0x1f55, 508, # ὕ Ὕ 0x1f57, 508, # ὗ Ὗ 0x1fb3, 509, # ᾳ ᾼ 0x1fc3, 509, # ῃ ῌ 0x1fe5, 507, # ῥ Ῥ 0x1ff3, 509] # ῳ ῼ tolowerRanges = [ 0x0041, 0x005a, 532, # A-Z a-z 0x00c0, 0x00d6, 532, # À-Ö à-ö 0x00d8, 0x00de, 532, # Ø-Þ ø-þ 0x0189, 0x018a, 705, # Ɖ-Ɗ ɖ-ɗ 0x018e, 0x018f, 702, # Ǝ-Ə ɘ-ə 0x01b1, 0x01b2, 717, # Ʊ-Ʋ ʊ-ʋ 0x0388, 0x038a, 537, # Έ-Ί έ-ί 0x038e, 0x038f, 563, # Ύ-Ώ ύ-ώ 0x0391, 0x03a1, 532, # Α-Ρ α-ρ 0x03a3, 0x03ab, 532, # Σ-Ϋ σ-ϋ 0x0401, 0x040c, 580, # Ё-Ќ ё-ќ 0x040e, 0x040f, 580, # Ў-Џ ў-џ 0x0410, 0x042f, 532, # А-Я а-я 0x0531, 0x0556, 548, # Ա-Ֆ ա-ֆ 0x10a0, 0x10c5, 548, # Ⴀ-Ⴥ ა-ჵ 0x1f08, 0x1f0f, 492, # Ἀ-Ἇ ἀ-ἇ 0x1f18, 0x1f1d, 492, # Ἐ-Ἕ ἐ-ἕ 0x1f28, 0x1f2f, 492, # Ἠ-Ἧ ἠ-ἧ 0x1f38, 0x1f3f, 492, # Ἰ-Ἷ ἰ-ἷ 0x1f48, 0x1f4d, 492, # Ὀ-Ὅ ὀ-ὅ 0x1f68, 0x1f6f, 492, # Ὠ-Ὧ ὠ-ὧ 0x1f88, 0x1f8f, 492, # ᾈ-ᾏ ᾀ-ᾇ 0x1f98, 0x1f9f, 492, # ᾘ-ᾟ ᾐ-ᾗ 0x1fa8, 0x1faf, 492, # ᾨ-ᾯ ᾠ-ᾧ 0x1fb8, 0x1fb9, 492, # Ᾰ-Ᾱ ᾰ-ᾱ 0x1fba, 0x1fbb, 426, # Ὰ-Ά ὰ-ά 0x1fc8, 0x1fcb, 414, # Ὲ-Ή ὲ-ή 0x1fd8, 0x1fd9, 492, # Ῐ-Ῑ ῐ-ῑ 0x1fda, 0x1fdb, 400, # Ὶ-Ί ὶ-ί 0x1fe8, 0x1fe9, 492, # Ῠ-Ῡ ῠ-ῡ 0x1fea, 0x1feb, 388, # Ὺ-Ύ ὺ-ύ 0x1ff8, 0x1ff9, 372, # Ὸ-Ό ὸ-ό 0x1ffa, 0x1ffb, 374, # Ὼ-Ώ ὼ-ώ 0x2160, 0x216f, 516, # Ⅰ-Ⅿ ⅰ-ⅿ 0x24b6, 0x24cf, 526, # Ⓐ-Ⓩ ⓐ-ⓩ 0xff21, 0xff3a, 532] # Ａ-Ｚ ａ-ｚ tolowerSinglets = [ 0x0100, 501, # Ā ā 0x0102, 501, # Ă ă 0x0104, 501, # Ą ą 0x0106, 501, # Ć ć 0x0108, 501, # Ĉ ĉ 0x010a, 501, # Ċ ċ 0x010c, 501, # Č č 0x010e, 501, # Ď ď 0x0110, 501, # Đ đ 0x0112, 501, # Ē ē 0x0114, 501, # Ĕ ĕ 0x0116, 501, # Ė ė 0x0118, 501, # Ę ę 0x011a, 501, # Ě ě 0x011c, 501, # Ĝ ĝ 0x011e, 501, # Ğ ğ 0x0120, 501, # Ġ ġ 0x0122, 501, # Ģ ģ 0x0124, 501, # Ĥ ĥ 0x0126, 501, # Ħ ħ 0x0128, 501, # Ĩ ĩ 0x012a, 501, # Ī ī 0x012c, 501, # Ĭ ĭ 0x012e, 501, # Į į 0x0130, 301, # İ i 0x0132, 501, # IJ ij 0x0134, 501, # Ĵ ĵ 0x0136, 501, # Ķ ķ 0x0139, 501, # Ĺ ĺ 0x013b, 501, # Ļ ļ 0x013d, 501, # Ľ ľ 0x013f, 501, # Ŀ ŀ 0x0141, 501, # Ł ł 0x0143, 501, # Ń ń 0x0145, 501, # Ņ ņ 0x0147, 501, # Ň ň 0x014a, 501, # Ŋ ŋ 0x014c, 501, # Ō ō 0x014e, 501, # Ŏ ŏ 0x0150, 501, # Ő ő 0x0152, 501, # Œ œ 0x0154, 501, # Ŕ ŕ 0x0156, 501, # Ŗ ŗ 0x0158, 501, # Ř ř 0x015a, 501, # Ś ś 0x015c, 501, # Ŝ ŝ 0x015e, 501, # Ş ş 0x0160, 501, # Š š 0x0162, 501, # Ţ ţ 0x0164, 501, # Ť ť 0x0166, 501, # Ŧ ŧ 0x0168, 501, # Ũ ũ 0x016a, 501, # Ū ū 0x016c, 501, # Ŭ ŭ 0x016e, 501, # Ů ů 0x0170, 501, # Ű ű 0x0172, 501, # Ų ų 0x0174, 501, # Ŵ ŵ 0x0176, 501, # Ŷ ŷ 0x0178, 379, # Ÿ ÿ 0x0179, 501, # Ź ź 0x017b, 501, # Ż ż 0x017d, 501, # Ž ž 0x0181, 710, # Ɓ ɓ 0x0182, 501, # Ƃ ƃ 0x0184, 501, # Ƅ ƅ 0x0186, 706, # Ɔ ɔ 0x0187, 501, # Ƈ ƈ 0x018b, 501, # Ƌ ƌ 0x0190, 703, # Ɛ ɛ 0x0191, 501, # Ƒ ƒ 0x0193, 705, # Ɠ ɠ 0x0194, 707, # Ɣ ɣ 0x0196, 711, # Ɩ ɩ 0x0197, 709, # Ɨ ɨ 0x0198, 501, # Ƙ ƙ 0x019c, 711, # Ɯ ɯ 0x019d, 713, # Ɲ ɲ 0x01a0, 501, # Ơ ơ 0x01a2, 501, # Ƣ ƣ 0x01a4, 501, # Ƥ ƥ 0x01a7, 501, # Ƨ ƨ 0x01a9, 718, # Ʃ ʃ 0x01ac, 501, # Ƭ ƭ 0x01ae, 718, # Ʈ ʈ 0x01af, 501, # Ư ư 0x01b3, 501, # Ƴ ƴ 0x01b5, 501, # Ƶ ƶ 0x01b7, 719, # Ʒ ʒ 0x01b8, 501, # Ƹ ƹ 0x01bc, 501, # Ƽ ƽ 0x01c4, 502, # DŽ dž 0x01c5, 501, # Dž dž 0x01c7, 502, # LJ lj 0x01c8, 501, # Lj lj 0x01ca, 502, # NJ nj 0x01cb, 501, # Nj nj 0x01cd, 501, # Ǎ ǎ 0x01cf, 501, # Ǐ ǐ 0x01d1, 501, # Ǒ ǒ 0x01d3, 501, # Ǔ ǔ 0x01d5, 501, # Ǖ ǖ 0x01d7, 501, # Ǘ ǘ 0x01d9, 501, # Ǚ ǚ 0x01db, 501, # Ǜ ǜ 0x01de, 501, # Ǟ ǟ 0x01e0, 501, # Ǡ ǡ 0x01e2, 501, # Ǣ ǣ 0x01e4, 501, # Ǥ ǥ 0x01e6, 501, # Ǧ ǧ 0x01e8, 501, # Ǩ ǩ 0x01ea, 501, # Ǫ ǫ 0x01ec, 501, # Ǭ ǭ 0x01ee, 501, # Ǯ ǯ 0x01f1, 502, # DZ dz 0x01f2, 501, # Dz dz 0x01f4, 501, # Ǵ ǵ 0x01fa, 501, # Ǻ ǻ 0x01fc, 501, # Ǽ ǽ 0x01fe, 501, # Ǿ ǿ 0x0200, 501, # Ȁ ȁ 0x0202, 501, # Ȃ ȃ 0x0204, 501, # Ȅ ȅ 0x0206, 501, # Ȇ ȇ 0x0208, 501, # Ȉ ȉ 0x020a, 501, # Ȋ ȋ 0x020c, 501, # Ȍ ȍ 0x020e, 501, # Ȏ ȏ 0x0210, 501, # Ȑ ȑ 0x0212, 501, # Ȓ ȓ 0x0214, 501, # Ȕ ȕ 0x0216, 501, # Ȗ ȗ 0x0386, 538, # Ά ά 0x038c, 564, # Ό ό 0x03e2, 501, # Ϣ ϣ 0x03e4, 501, # Ϥ ϥ 0x03e6, 501, # Ϧ ϧ 0x03e8, 501, # Ϩ ϩ 0x03ea, 501, # Ϫ ϫ 0x03ec, 501, # Ϭ ϭ 0x03ee, 501, # Ϯ ϯ 0x0460, 501, # Ѡ ѡ 0x0462, 501, # Ѣ ѣ 0x0464, 501, # Ѥ ѥ 0x0466, 501, # Ѧ ѧ 0x0468, 501, # Ѩ ѩ 0x046a, 501, # Ѫ ѫ 0x046c, 501, # Ѭ ѭ 0x046e, 501, # Ѯ ѯ 0x0470, 501, # Ѱ ѱ 0x0472, 501, # Ѳ ѳ 0x0474, 501, # Ѵ ѵ 0x0476, 501, # Ѷ ѷ 0x0478, 501, # Ѹ ѹ 0x047a, 501, # Ѻ ѻ 0x047c, 501, # Ѽ ѽ 0x047e, 501, # Ѿ ѿ 0x0480, 501, # Ҁ ҁ 0x0490, 501, # Ґ ґ 0x0492, 501, # Ғ ғ 0x0494, 501, # Ҕ ҕ 0x0496, 501, # Җ җ 0x0498, 501, # Ҙ ҙ 0x049a, 501, # Қ қ 0x049c, 501, # Ҝ ҝ 0x049e, 501, # Ҟ ҟ 0x04a0, 501, # Ҡ ҡ 0x04a2, 501, # Ң ң 0x04a4, 501, # Ҥ ҥ 0x04a6, 501, # Ҧ ҧ 0x04a8, 501, # Ҩ ҩ 0x04aa, 501, # Ҫ ҫ 0x04ac, 501, # Ҭ ҭ 0x04ae, 501, # Ү ү 0x04b0, 501, # Ұ ұ 0x04b2, 501, # Ҳ ҳ 0x04b4, 501, # Ҵ ҵ 0x04b6, 501, # Ҷ ҷ 0x04b8, 501, # Ҹ ҹ 0x04ba, 501, # Һ һ 0x04bc, 501, # Ҽ ҽ 0x04be, 501, # Ҿ ҿ 0x04c1, 501, # Ӂ ӂ 0x04c3, 501, # Ӄ ӄ 0x04c7, 501, # Ӈ ӈ 0x04cb, 501, # Ӌ ӌ 0x04d0, 501, # Ӑ ӑ 0x04d2, 501, # Ӓ ӓ 0x04d4, 501, # Ӕ ӕ 0x04d6, 501, # Ӗ ӗ 0x04d8, 501, # Ә ә 0x04da, 501, # Ӛ ӛ 0x04dc, 501, # Ӝ ӝ 0x04de, 501, # Ӟ ӟ 0x04e0, 501, # Ӡ ӡ 0x04e2, 501, # Ӣ ӣ 0x04e4, 501, # Ӥ ӥ 0x04e6, 501, # Ӧ ӧ 0x04e8, 501, # Ө ө 0x04ea, 501, # Ӫ ӫ 0x04ee, 501, # Ӯ ӯ 0x04f0, 501, # Ӱ ӱ 0x04f2, 501, # Ӳ ӳ 0x04f4, 501, # Ӵ ӵ 0x04f8, 501, # Ӹ ӹ 0x1e00, 501, # Ḁ ḁ 0x1e02, 501, # Ḃ ḃ 0x1e04, 501, # Ḅ ḅ 0x1e06, 501, # Ḇ ḇ 0x1e08, 501, # Ḉ ḉ 0x1e0a, 501, # Ḋ ḋ 0x1e0c, 501, # Ḍ ḍ 0x1e0e, 501, # Ḏ ḏ 0x1e10, 501, # Ḑ ḑ 0x1e12, 501, # Ḓ ḓ 0x1e14, 501, # Ḕ ḕ 0x1e16, 501, # Ḗ ḗ 0x1e18, 501, # Ḙ ḙ 0x1e1a, 501, # Ḛ ḛ 0x1e1c, 501, # Ḝ ḝ 0x1e1e, 501, # Ḟ ḟ 0x1e20, 501, # Ḡ ḡ 0x1e22, 501, # Ḣ ḣ 0x1e24, 501, # Ḥ ḥ 0x1e26, 501, # Ḧ ḧ 0x1e28, 501, # Ḩ ḩ 0x1e2a, 501, # Ḫ ḫ 0x1e2c, 501, # Ḭ ḭ 0x1e2e, 501, # Ḯ ḯ 0x1e30, 501, # Ḱ ḱ 0x1e32, 501, # Ḳ ḳ 0x1e34, 501, # Ḵ ḵ 0x1e36, 501, # Ḷ ḷ 0x1e38, 501, # Ḹ ḹ 0x1e3a, 501, # Ḻ ḻ 0x1e3c, 501, # Ḽ ḽ 0x1e3e, 501, # Ḿ ḿ 0x1e40, 501, # Ṁ ṁ 0x1e42, 501, # Ṃ ṃ 0x1e44, 501, # Ṅ ṅ 0x1e46, 501, # Ṇ ṇ 0x1e48, 501, # Ṉ ṉ 0x1e4a, 501, # Ṋ ṋ 0x1e4c, 501, # Ṍ ṍ 0x1e4e, 501, # Ṏ ṏ 0x1e50, 501, # Ṑ ṑ 0x1e52, 501, # Ṓ ṓ 0x1e54, 501, # Ṕ ṕ 0x1e56, 501, # Ṗ ṗ 0x1e58, 501, # Ṙ ṙ 0x1e5a, 501, # Ṛ ṛ 0x1e5c, 501, # Ṝ ṝ 0x1e5e, 501, # Ṟ ṟ 0x1e60, 501, # Ṡ ṡ 0x1e62, 501, # Ṣ ṣ 0x1e64, 501, # Ṥ ṥ 0x1e66, 501, # Ṧ ṧ 0x1e68, 501, # Ṩ ṩ 0x1e6a, 501, # Ṫ ṫ 0x1e6c, 501, # Ṭ ṭ 0x1e6e, 501, # Ṯ ṯ 0x1e70, 501, # Ṱ ṱ 0x1e72, 501, # Ṳ ṳ 0x1e74, 501, # Ṵ ṵ 0x1e76, 501, # Ṷ ṷ 0x1e78, 501, # Ṹ ṹ 0x1e7a, 501, # Ṻ ṻ 0x1e7c, 501, # Ṽ ṽ 0x1e7e, 501, # Ṿ ṿ 0x1e80, 501, # Ẁ ẁ 0x1e82, 501, # Ẃ ẃ 0x1e84, 501, # Ẅ ẅ 0x1e86, 501, # Ẇ ẇ 0x1e88, 501, # Ẉ ẉ 0x1e8a, 501, # Ẋ ẋ 0x1e8c, 501, # Ẍ ẍ 0x1e8e, 501, # Ẏ ẏ 0x1e90, 501, # Ẑ ẑ 0x1e92, 501, # Ẓ ẓ 0x1e94, 501, # Ẕ ẕ 0x1ea0, 501, # Ạ ạ 0x1ea2, 501, # Ả ả 0x1ea4, 501, # Ấ ấ 0x1ea6, 501, # Ầ ầ 0x1ea8, 501, # Ẩ ẩ 0x1eaa, 501, # Ẫ ẫ 0x1eac, 501, # Ậ ậ 0x1eae, 501, # Ắ ắ 0x1eb0, 501, # Ằ ằ 0x1eb2, 501, # Ẳ ẳ 0x1eb4, 501, # Ẵ ẵ 0x1eb6, 501, # Ặ ặ 0x1eb8, 501, # Ẹ ẹ 0x1eba, 501, # Ẻ ẻ 0x1ebc, 501, # Ẽ ẽ 0x1ebe, 501, # Ế ế 0x1ec0, 501, # Ề ề 0x1ec2, 501, # Ể ể 0x1ec4, 501, # Ễ ễ 0x1ec6, 501, # Ệ ệ 0x1ec8, 501, # Ỉ ỉ 0x1eca, 501, # Ị ị 0x1ecc, 501, # Ọ ọ 0x1ece, 501, # Ỏ ỏ 0x1ed0, 501, # Ố ố 0x1ed2, 501, # Ồ ồ 0x1ed4, 501, # Ổ ổ 0x1ed6, 501, # Ỗ ỗ 0x1ed8, 501, # Ộ ộ 0x1eda, 501, # Ớ ớ 0x1edc, 501, # Ờ ờ 0x1ede, 501, # Ở ở 0x1ee0, 501, # Ỡ ỡ 0x1ee2, 501, # Ợ ợ 0x1ee4, 501, # Ụ ụ 0x1ee6, 501, # Ủ ủ 0x1ee8, 501, # Ứ ứ 0x1eea, 501, # Ừ ừ 0x1eec, 501, # Ử ử 0x1eee, 501, # Ữ ữ 0x1ef0, 501, # Ự ự 0x1ef2, 501, # Ỳ ỳ 0x1ef4, 501, # Ỵ ỵ 0x1ef6, 501, # Ỷ ỷ 0x1ef8, 501, # Ỹ ỹ 0x1f59, 492, # Ὑ ὑ 0x1f5b, 492, # Ὓ ὓ 0x1f5d, 492, # Ὕ ὕ 0x1f5f, 492, # Ὗ ὗ 0x1fbc, 491, # ᾼ ᾳ 0x1fcc, 491, # ῌ ῃ 0x1fec, 493, # Ῥ ῥ 0x1ffc, 491] # ῼ ῳ toTitleSinglets = [ 0x01c4, 501, # DŽ Dž 0x01c6, 499, # dž Dž 0x01c7, 501, # LJ Lj 0x01c9, 499, # lj Lj 0x01ca, 501, # NJ Nj 0x01cc, 499, # nj Nj 0x01f1, 501, # DZ Dz 0x01f3, 499] # dz Dz proc binarySearch(c: irune, tab: openArray[iRune], len, stride: int): int = var n = len var t = 0 while n > 1: var m = n div 2 var p = t + m*stride if c >= tab[p]: t = p n = n-m else: n = m if n != 0 and c >= tab[t]: return t return -1 proc toLower*(c: TRune): TRune {.rtl, extern: "nuc$1", procvar.} = ## Converts `c` into lower case. This works for any Unicode character. ## If possible, prefer `toLower` over `toUpper`. var c = irune(c) var p = binarySearch(c, tolowerRanges, len(toLowerRanges) div 3, 3) if p >= 0 and c >= tolowerRanges[p] and c <= tolowerRanges[p+1]: return TRune(c + tolowerRanges[p+2] - 500) p = binarySearch(c, toLowerSinglets, len(toLowerSinglets) div 2, 2) if p >= 0 and c == toLowerSinglets[p]: return TRune(c + toLowerSinglets[p+1] - 500) return TRune(c) proc toUpper*(c: TRune): TRune {.rtl, extern: "nuc$1", procvar.} = ## Converts `c` into upper case. This works for any Unicode character. ## If possible, prefer `toLower` over `toUpper`. var c = irune(c) var p = binarySearch(c, toUpperRanges, len(toUpperRanges) div 3, 3) if p >= 0 and c >= toUpperRanges[p] and c <= toUpperRanges[p+1]: return TRune(c + toUpperRanges[p+2] - 500) p = binarySearch(c, toUpperSinglets, len(toUpperSinglets) div 2, 2) if p >= 0 and c == toUpperSinglets[p]: return TRune(c + toUpperSinglets[p+1] - 500) return TRune(c) proc toTitle*(c: TRune): TRune {.rtl, extern: "nuc$1", procvar.} = var c = irune(c) var p = binarySearch(c, toTitleSinglets, len(toTitleSinglets) div 2, 2) if p >= 0 and c == toTitleSinglets[p]: return TRune(c + toTitleSinglets[p+1] - 500) return TRune(c) proc isLower*(c: TRune): bool {.rtl, extern: "nuc$1", procvar.} = ## returns true iff `c` is a lower case Unicode character ## If possible, prefer `isLower` over `isUpper`. var c = irune(c) # Note: toUpperRanges is correct here! var p = binarySearch(c, toUpperRanges, len(toUpperRanges) div 3, 3) if p >= 0 and c >= toUpperRanges[p] and c <= toUpperRanges[p+1]: return true p = binarySearch(c, toUpperSinglets, len(toUpperSinglets) div 2, 2) if p >= 0 and c == toUpperSinglets[p]: return true proc isUpper*(c: TRune): bool {.rtl, extern: "nuc$1", procvar.} = ## returns true iff `c` is a upper case Unicode character ## If possible, prefer `isLower` over `isUpper`. var c = irune(c) # Note: toLowerRanges is correct here! var p = binarySearch(c, toLowerRanges, len(toLowerRanges) div 3, 3) if p >= 0 and c >= toLowerRanges[p] and c <= toLowerRanges[p+1]: return true p = binarySearch(c, toLowerSinglets, len(toLowerSinglets) div 2, 2) if p >= 0 and c == toLowerSinglets[p]: return true proc isAlpha*(c: TRune): bool {.rtl, extern: "nuc$1", procvar.} = ## returns true iff `c` is an *alpha* Unicode character (i.e. a letter) if isUpper(c) or isLower(c): return true var c = irune(c) var p = binarySearch(c, alphaRanges, len(alphaRanges) div 2, 2) if p >= 0 and c >= alphaRanges[p] and c <= alphaRanges[p+1]: return true p = binarySearch(c, alphaSinglets, len(alphaSinglets), 1) if p >= 0 and c == alphaSinglets[p]: return true proc isTitle*(c: TRune): bool {.rtl, extern: "nuc$1", procvar.} = return isUpper(c) and isLower(c) proc isWhiteSpace*(c: TRune): bool {.rtl, extern: "nuc$1", procvar.} = ## returns true iff `c` is a Unicode whitespace character var c = irune(c) var p = binarySearch(c, spaceRanges, len(spaceRanges) div 2, 2) if p >= 0 and c >= spaceRanges[p] and c <= spaceRanges[p+1]: return true iterator runes*(s: string): TRune = ## iterates over any unicode character of the string `s`. var i = 0 result: TRune while i < len(s): fastRuneAt(s, i, result, true) yield result proc cmpRunesIgnoreCase*(a, b: string): int {.rtl, extern: "nuc$1", procvar.} = ## compares two UTF8 strings and ignores the case. Returns: ## ## | 0 iff a == b ## | < 0 iff a < b ## | > 0 iff a > b var i = 0 var j = 0 var ar, br: TRune while i < a.len and j < b.len: # slow path: fastRuneAt(a, i, ar) fastRuneAt(b, j, br) result = irune(toLower(ar)) - irune(toLower(br)) if result != 0: return result = a.len - b.len