| 1 | const UNDEFINED_CODE_POINTS = new Set([
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| 2 | 65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214,
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| 3 | 393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894,
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| 4 | 720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574,
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| 5 | 1048575, 1114110, 1114111,
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| 6 | ]);
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| 7 | export const REPLACEMENT_CHARACTER = '\uFFFD';
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| 8 | export var CODE_POINTS;
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| 9 | (function (CODE_POINTS) {
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| 10 | CODE_POINTS[CODE_POINTS["EOF"] = -1] = "EOF";
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| 11 | CODE_POINTS[CODE_POINTS["NULL"] = 0] = "NULL";
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| 12 | CODE_POINTS[CODE_POINTS["TABULATION"] = 9] = "TABULATION";
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| 13 | CODE_POINTS[CODE_POINTS["CARRIAGE_RETURN"] = 13] = "CARRIAGE_RETURN";
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| 14 | CODE_POINTS[CODE_POINTS["LINE_FEED"] = 10] = "LINE_FEED";
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| 15 | CODE_POINTS[CODE_POINTS["FORM_FEED"] = 12] = "FORM_FEED";
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| 16 | CODE_POINTS[CODE_POINTS["SPACE"] = 32] = "SPACE";
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| 17 | CODE_POINTS[CODE_POINTS["EXCLAMATION_MARK"] = 33] = "EXCLAMATION_MARK";
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| 18 | CODE_POINTS[CODE_POINTS["QUOTATION_MARK"] = 34] = "QUOTATION_MARK";
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| 19 | CODE_POINTS[CODE_POINTS["NUMBER_SIGN"] = 35] = "NUMBER_SIGN";
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| 20 | CODE_POINTS[CODE_POINTS["AMPERSAND"] = 38] = "AMPERSAND";
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| 21 | CODE_POINTS[CODE_POINTS["APOSTROPHE"] = 39] = "APOSTROPHE";
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| 22 | CODE_POINTS[CODE_POINTS["HYPHEN_MINUS"] = 45] = "HYPHEN_MINUS";
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| 23 | CODE_POINTS[CODE_POINTS["SOLIDUS"] = 47] = "SOLIDUS";
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| 24 | CODE_POINTS[CODE_POINTS["DIGIT_0"] = 48] = "DIGIT_0";
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| 25 | CODE_POINTS[CODE_POINTS["DIGIT_9"] = 57] = "DIGIT_9";
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| 26 | CODE_POINTS[CODE_POINTS["SEMICOLON"] = 59] = "SEMICOLON";
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| 27 | CODE_POINTS[CODE_POINTS["LESS_THAN_SIGN"] = 60] = "LESS_THAN_SIGN";
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| 28 | CODE_POINTS[CODE_POINTS["EQUALS_SIGN"] = 61] = "EQUALS_SIGN";
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| 29 | CODE_POINTS[CODE_POINTS["GREATER_THAN_SIGN"] = 62] = "GREATER_THAN_SIGN";
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| 30 | CODE_POINTS[CODE_POINTS["QUESTION_MARK"] = 63] = "QUESTION_MARK";
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| 31 | CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_A"] = 65] = "LATIN_CAPITAL_A";
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| 32 | CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_F"] = 70] = "LATIN_CAPITAL_F";
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| 33 | CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_X"] = 88] = "LATIN_CAPITAL_X";
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| 34 | CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_Z"] = 90] = "LATIN_CAPITAL_Z";
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| 35 | CODE_POINTS[CODE_POINTS["RIGHT_SQUARE_BRACKET"] = 93] = "RIGHT_SQUARE_BRACKET";
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| 36 | CODE_POINTS[CODE_POINTS["GRAVE_ACCENT"] = 96] = "GRAVE_ACCENT";
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| 37 | CODE_POINTS[CODE_POINTS["LATIN_SMALL_A"] = 97] = "LATIN_SMALL_A";
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| 38 | CODE_POINTS[CODE_POINTS["LATIN_SMALL_F"] = 102] = "LATIN_SMALL_F";
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| 39 | CODE_POINTS[CODE_POINTS["LATIN_SMALL_X"] = 120] = "LATIN_SMALL_X";
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| 40 | CODE_POINTS[CODE_POINTS["LATIN_SMALL_Z"] = 122] = "LATIN_SMALL_Z";
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| 41 | CODE_POINTS[CODE_POINTS["REPLACEMENT_CHARACTER"] = 65533] = "REPLACEMENT_CHARACTER";
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| 42 | })(CODE_POINTS = CODE_POINTS || (CODE_POINTS = {}));
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| 43 | export const SEQUENCES = {
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| 44 | DASH_DASH: '--',
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| 45 | CDATA_START: '[CDATA[',
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| 46 | DOCTYPE: 'doctype',
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| 47 | SCRIPT: 'script',
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| 48 | PUBLIC: 'public',
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| 49 | SYSTEM: 'system',
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| 50 | };
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| 51 |
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| 52 | export function isSurrogate(cp) {
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| 53 | return cp >= 55296 && cp <= 57343;
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| 54 | }
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| 55 | export function isSurrogatePair(cp) {
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| 56 | return cp >= 56320 && cp <= 57343;
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| 57 | }
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| 58 | export function getSurrogatePairCodePoint(cp1, cp2) {
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| 59 | return (cp1 - 55296) * 1024 + 9216 + cp2;
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| 60 | }
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| 61 |
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| 62 | export function isControlCodePoint(cp) {
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| 63 | return ((cp !== 0x20 && cp !== 0x0a && cp !== 0x0d && cp !== 0x09 && cp !== 0x0c && cp >= 0x01 && cp <= 0x1f) ||
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| 64 | (cp >= 0x7f && cp <= 0x9f));
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| 65 | }
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| 66 | export function isUndefinedCodePoint(cp) {
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| 67 | return (cp >= 64976 && cp <= 65007) || UNDEFINED_CODE_POINTS.has(cp);
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| 68 | }
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| 69 | |
| \ | No newline at end of file |