diff options
Diffstat (limited to 'vendor/github.com/yuin/goldmark/util/util_cjk.go')
| -rw-r--r-- | vendor/github.com/yuin/goldmark/util/util_cjk.go | 469 |
1 files changed, 469 insertions, 0 deletions
diff --git a/vendor/github.com/yuin/goldmark/util/util_cjk.go b/vendor/github.com/yuin/goldmark/util/util_cjk.go new file mode 100644 index 000000000..d7581070a --- /dev/null +++ b/vendor/github.com/yuin/goldmark/util/util_cjk.go @@ -0,0 +1,469 @@ +package util + +import "unicode" + +var cjkRadicalsSupplement = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x2E80, 0x2EFF, 1}, + }, +} + +var kangxiRadicals = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x2F00, 0x2FDF, 1}, + }, +} + +var ideographicDescriptionCharacters = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x2FF0, 0x2FFF, 1}, + }, +} + +var cjkSymbolsAndPunctuation = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x3000, 0x303F, 1}, + }, +} + +var hiragana = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x3040, 0x309F, 1}, + }, +} + +var katakana = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x30A0, 0x30FF, 1}, + }, +} + +var kanbun = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x3130, 0x318F, 1}, + {0x3190, 0x319F, 1}, + }, +} + +var cjkStrokes = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x31C0, 0x31EF, 1}, + }, +} + +var katakanaPhoneticExtensions = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x31F0, 0x31FF, 1}, + }, +} + +var cjkCompatibility = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x3300, 0x33FF, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionA = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x3400, 0x4DBF, 1}, + }, +} + +var cjkUnifiedIdeographs = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0x4E00, 0x9FFF, 1}, + }, +} + +var yiSyllables = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xA000, 0xA48F, 1}, + }, +} + +var yiRadicals = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xA490, 0xA4CF, 1}, + }, +} + +var cjkCompatibilityIdeographs = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xF900, 0xFAFF, 1}, + }, +} + +var verticalForms = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xFE10, 0xFE1F, 1}, + }, +} + +var cjkCompatibilityForms = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xFE30, 0xFE4F, 1}, + }, +} + +var smallFormVariants = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xFE50, 0xFE6F, 1}, + }, +} + +var halfwidthAndFullwidthForms = &unicode.RangeTable{ + R16: []unicode.Range16{ + {0xFF00, 0xFFEF, 1}, + }, +} + +var kanaSupplement = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x1B000, 0x1B0FF, 1}, + }, +} + +var kanaExtendedA = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x1B100, 0x1B12F, 1}, + }, +} + +var smallKanaExtension = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x1B130, 0x1B16F, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionB = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x20000, 0x2A6DF, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionC = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x2A700, 0x2B73F, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionD = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x2B740, 0x2B81F, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionE = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x2B820, 0x2CEAF, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionF = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x2CEB0, 0x2EBEF, 1}, + }, +} + +var cjkCompatibilityIdeographsSupplement = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x2F800, 0x2FA1F, 1}, + }, +} + +var cjkUnifiedIdeographsExtensionG = &unicode.RangeTable{ + R32: []unicode.Range32{ + {0x30000, 0x3134F, 1}, + }, +} + +// IsEastAsianWideRune returns trhe if the given rune is an east asian wide character, otherwise false. +func IsEastAsianWideRune(r rune) bool { + return unicode.Is(unicode.Hiragana, r) || + unicode.Is(unicode.Katakana, r) || + unicode.Is(unicode.Han, r) || + unicode.Is(unicode.Lm, r) || + unicode.Is(unicode.Hangul, r) || + unicode.Is(cjkSymbolsAndPunctuation, r) +} + +// IsSpaceDiscardingUnicodeRune returns true if the given rune is space-discarding unicode character, otherwise false. +// See https://www.w3.org/TR/2020/WD-css-text-3-20200429/#space-discard-set +func IsSpaceDiscardingUnicodeRune(r rune) bool { + return unicode.Is(cjkRadicalsSupplement, r) || + unicode.Is(kangxiRadicals, r) || + unicode.Is(ideographicDescriptionCharacters, r) || + unicode.Is(cjkSymbolsAndPunctuation, r) || + unicode.Is(hiragana, r) || + unicode.Is(katakana, r) || + unicode.Is(kanbun, r) || + unicode.Is(cjkStrokes, r) || + unicode.Is(katakanaPhoneticExtensions, r) || + unicode.Is(cjkCompatibility, r) || + unicode.Is(cjkUnifiedIdeographsExtensionA, r) || + unicode.Is(cjkUnifiedIdeographs, r) || + unicode.Is(yiSyllables, r) || + unicode.Is(yiRadicals, r) || + unicode.Is(cjkCompatibilityIdeographs, r) || + unicode.Is(verticalForms, r) || + unicode.Is(cjkCompatibilityForms, r) || + unicode.Is(smallFormVariants, r) || + unicode.Is(halfwidthAndFullwidthForms, r) || + unicode.Is(kanaSupplement, r) || + unicode.Is(kanaExtendedA, r) || + unicode.Is(smallKanaExtension, r) || + unicode.Is(cjkUnifiedIdeographsExtensionB, r) || + unicode.Is(cjkUnifiedIdeographsExtensionC, r) || + unicode.Is(cjkUnifiedIdeographsExtensionD, r) || + unicode.Is(cjkUnifiedIdeographsExtensionE, r) || + unicode.Is(cjkUnifiedIdeographsExtensionF, r) || + unicode.Is(cjkCompatibilityIdeographsSupplement, r) || + unicode.Is(cjkUnifiedIdeographsExtensionG, r) +} + +// EastAsianWidth returns the east asian width of the given rune. +// See https://www.unicode.org/reports/tr11/tr11-36.html +func EastAsianWidth(r rune) string { + switch { + case r == 0x3000, + (0xFF01 <= r && r <= 0xFF60), + (0xFFE0 <= r && r <= 0xFFE6): + return "F" + + case r == 0x20A9, + (0xFF61 <= r && r <= 0xFFBE), + (0xFFC2 <= r && r <= 0xFFC7), + (0xFFCA <= r && r <= 0xFFCF), + (0xFFD2 <= r && r <= 0xFFD7), + (0xFFDA <= r && r <= 0xFFDC), + (0xFFE8 <= r && r <= 0xFFEE): + return "H" + + case (0x1100 <= r && r <= 0x115F), + (0x11A3 <= r && r <= 0x11A7), + (0x11FA <= r && r <= 0x11FF), + (0x2329 <= r && r <= 0x232A), + (0x2E80 <= r && r <= 0x2E99), + (0x2E9B <= r && r <= 0x2EF3), + (0x2F00 <= r && r <= 0x2FD5), + (0x2FF0 <= r && r <= 0x2FFB), + (0x3001 <= r && r <= 0x303E), + (0x3041 <= r && r <= 0x3096), + (0x3099 <= r && r <= 0x30FF), + (0x3105 <= r && r <= 0x312D), + (0x3131 <= r && r <= 0x318E), + (0x3190 <= r && r <= 0x31BA), + (0x31C0 <= r && r <= 0x31E3), + (0x31F0 <= r && r <= 0x321E), + (0x3220 <= r && r <= 0x3247), + (0x3250 <= r && r <= 0x32FE), + (0x3300 <= r && r <= 0x4DBF), + (0x4E00 <= r && r <= 0xA48C), + (0xA490 <= r && r <= 0xA4C6), + (0xA960 <= r && r <= 0xA97C), + (0xAC00 <= r && r <= 0xD7A3), + (0xD7B0 <= r && r <= 0xD7C6), + (0xD7CB <= r && r <= 0xD7FB), + (0xF900 <= r && r <= 0xFAFF), + (0xFE10 <= r && r <= 0xFE19), + (0xFE30 <= r && r <= 0xFE52), + (0xFE54 <= r && r <= 0xFE66), + (0xFE68 <= r && r <= 0xFE6B), + (0x1B000 <= r && r <= 0x1B001), + (0x1F200 <= r && r <= 0x1F202), + (0x1F210 <= r && r <= 0x1F23A), + (0x1F240 <= r && r <= 0x1F248), + (0x1F250 <= r && r <= 0x1F251), + (0x20000 <= r && r <= 0x2F73F), + (0x2B740 <= r && r <= 0x2FFFD), + (0x30000 <= r && r <= 0x3FFFD): + return "W" + + case (0x0020 <= r && r <= 0x007E), + (0x00A2 <= r && r <= 0x00A3), + (0x00A5 <= r && r <= 0x00A6), + r == 0x00AC, + r == 0x00AF, + (0x27E6 <= r && r <= 0x27ED), + (0x2985 <= r && r <= 0x2986): + return "Na" + + case (0x00A1 == r), + (0x00A4 == r), + (0x00A7 <= r && r <= 0x00A8), + (0x00AA == r), + (0x00AD <= r && r <= 0x00AE), + (0x00B0 <= r && r <= 0x00B4), + (0x00B6 <= r && r <= 0x00BA), + (0x00BC <= r && r <= 0x00BF), + (0x00C6 == r), + (0x00D0 == r), + (0x00D7 <= r && r <= 0x00D8), + (0x00DE <= r && r <= 0x00E1), + (0x00E6 == r), + (0x00E8 <= r && r <= 0x00EA), + (0x00EC <= r && r <= 0x00ED), + (0x00F0 == r), + (0x00F2 <= r && r <= 0x00F3), + (0x00F7 <= r && r <= 0x00FA), + (0x00FC == r), + (0x00FE == r), + (0x0101 == r), + (0x0111 == r), + (0x0113 == r), + (0x011B == r), + (0x0126 <= r && r <= 0x0127), + (0x012B == r), + (0x0131 <= r && r <= 0x0133), + (0x0138 == r), + (0x013F <= r && r <= 0x0142), + (0x0144 == r), + (0x0148 <= r && r <= 0x014B), + (0x014D == r), + (0x0152 <= r && r <= 0x0153), + (0x0166 <= r && r <= 0x0167), + (0x016B == r), + (0x01CE == r), + (0x01D0 == r), + (0x01D2 == r), + (0x01D4 == r), + (0x01D6 == r), + (0x01D8 == r), + (0x01DA == r), + (0x01DC == r), + (0x0251 == r), + (0x0261 == r), + (0x02C4 == r), + (0x02C7 == r), + (0x02C9 <= r && r <= 0x02CB), + (0x02CD == r), + (0x02D0 == r), + (0x02D8 <= r && r <= 0x02DB), + (0x02DD == r), + (0x02DF == r), + (0x0300 <= r && r <= 0x036F), + (0x0391 <= r && r <= 0x03A1), + (0x03A3 <= r && r <= 0x03A9), + (0x03B1 <= r && r <= 0x03C1), + (0x03C3 <= r && r <= 0x03C9), + (0x0401 == r), + (0x0410 <= r && r <= 0x044F), + (0x0451 == r), + (0x2010 == r), + (0x2013 <= r && r <= 0x2016), + (0x2018 <= r && r <= 0x2019), + (0x201C <= r && r <= 0x201D), + (0x2020 <= r && r <= 0x2022), + (0x2024 <= r && r <= 0x2027), + (0x2030 == r), + (0x2032 <= r && r <= 0x2033), + (0x2035 == r), + (0x203B == r), + (0x203E == r), + (0x2074 == r), + (0x207F == r), + (0x2081 <= r && r <= 0x2084), + (0x20AC == r), + (0x2103 == r), + (0x2105 == r), + (0x2109 == r), + (0x2113 == r), + (0x2116 == r), + (0x2121 <= r && r <= 0x2122), + (0x2126 == r), + (0x212B == r), + (0x2153 <= r && r <= 0x2154), + (0x215B <= r && r <= 0x215E), + (0x2160 <= r && r <= 0x216B), + (0x2170 <= r && r <= 0x2179), + (0x2189 == r), + (0x2190 <= r && r <= 0x2199), + (0x21B8 <= r && r <= 0x21B9), + (0x21D2 == r), + (0x21D4 == r), + (0x21E7 == r), + (0x2200 == r), + (0x2202 <= r && r <= 0x2203), + (0x2207 <= r && r <= 0x2208), + (0x220B == r), + (0x220F == r), + (0x2211 == r), + (0x2215 == r), + (0x221A == r), + (0x221D <= r && r <= 0x2220), + (0x2223 == r), + (0x2225 == r), + (0x2227 <= r && r <= 0x222C), + (0x222E == r), + (0x2234 <= r && r <= 0x2237), + (0x223C <= r && r <= 0x223D), + (0x2248 == r), + (0x224C == r), + (0x2252 == r), + (0x2260 <= r && r <= 0x2261), + (0x2264 <= r && r <= 0x2267), + (0x226A <= r && r <= 0x226B), + (0x226E <= r && r <= 0x226F), + (0x2282 <= r && r <= 0x2283), + (0x2286 <= r && r <= 0x2287), + (0x2295 == r), + (0x2299 == r), + (0x22A5 == r), + (0x22BF == r), + (0x2312 == r), + (0x2460 <= r && r <= 0x24E9), + (0x24EB <= r && r <= 0x254B), + (0x2550 <= r && r <= 0x2573), + (0x2580 <= r && r <= 0x258F), + (0x2592 <= r && r <= 0x2595), + (0x25A0 <= r && r <= 0x25A1), + (0x25A3 <= r && r <= 0x25A9), + (0x25B2 <= r && r <= 0x25B3), + (0x25B6 <= r && r <= 0x25B7), + (0x25BC <= r && r <= 0x25BD), + (0x25C0 <= r && r <= 0x25C1), + (0x25C6 <= r && r <= 0x25C8), + (0x25CB == r), + (0x25CE <= r && r <= 0x25D1), + (0x25E2 <= r && r <= 0x25E5), + (0x25EF == r), + (0x2605 <= r && r <= 0x2606), + (0x2609 == r), + (0x260E <= r && r <= 0x260F), + (0x2614 <= r && r <= 0x2615), + (0x261C == r), + (0x261E == r), + (0x2640 == r), + (0x2642 == r), + (0x2660 <= r && r <= 0x2661), + (0x2663 <= r && r <= 0x2665), + (0x2667 <= r && r <= 0x266A), + (0x266C <= r && r <= 0x266D), + (0x266F == r), + (0x269E <= r && r <= 0x269F), + (0x26BE <= r && r <= 0x26BF), + (0x26C4 <= r && r <= 0x26CD), + (0x26CF <= r && r <= 0x26E1), + (0x26E3 == r), + (0x26E8 <= r && r <= 0x26FF), + (0x273D == r), + (0x2757 == r), + (0x2776 <= r && r <= 0x277F), + (0x2B55 <= r && r <= 0x2B59), + (0x3248 <= r && r <= 0x324F), + (0xE000 <= r && r <= 0xF8FF), + (0xFE00 <= r && r <= 0xFE0F), + (0xFFFD == r), + (0x1F100 <= r && r <= 0x1F10A), + (0x1F110 <= r && r <= 0x1F12D), + (0x1F130 <= r && r <= 0x1F169), + (0x1F170 <= r && r <= 0x1F19A), + (0xE0100 <= r && r <= 0xE01EF), + (0xF0000 <= r && r <= 0xFFFFD), + (0x100000 <= r && r <= 0x10FFFD): + return "A" + + default: + return "N" + } +} |