84 lines
1.9 KiB
JavaScript
84 lines
1.9 KiB
JavaScript
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// Generated by CoffeeScript 1.12.4
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var Pattern, Unescaper, Utils;
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Utils = require('./Utils');
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Pattern = require('./Pattern');
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Unescaper = (function() {
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function Unescaper() {}
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Unescaper.PATTERN_ESCAPED_CHARACTER = new Pattern('\\\\([0abt\tnvfre "\\/\\\\N_LP]|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8})');
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Unescaper.unescapeSingleQuotedString = function(value) {
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return value.replace(/\'\'/g, '\'');
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};
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Unescaper.unescapeDoubleQuotedString = function(value) {
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if (this._unescapeCallback == null) {
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this._unescapeCallback = (function(_this) {
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return function(str) {
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return _this.unescapeCharacter(str);
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};
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})(this);
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}
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return this.PATTERN_ESCAPED_CHARACTER.replace(value, this._unescapeCallback);
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};
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Unescaper.unescapeCharacter = function(value) {
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var ch;
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ch = String.fromCharCode;
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switch (value.charAt(1)) {
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case '0':
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return ch(0);
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case 'a':
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return ch(7);
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case 'b':
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return ch(8);
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case 't':
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return "\t";
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case "\t":
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return "\t";
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case 'n':
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return "\n";
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case 'v':
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return ch(11);
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case 'f':
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return ch(12);
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case 'r':
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return ch(13);
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case 'e':
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return ch(27);
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case ' ':
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return ' ';
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case '"':
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return '"';
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case '/':
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return '/';
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case '\\':
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return '\\';
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case 'N':
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return ch(0x0085);
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case '_':
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return ch(0x00A0);
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case 'L':
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return ch(0x2028);
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case 'P':
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return ch(0x2029);
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case 'x':
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return Utils.utf8chr(Utils.hexDec(value.substr(2, 2)));
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case 'u':
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return Utils.utf8chr(Utils.hexDec(value.substr(2, 4)));
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case 'U':
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return Utils.utf8chr(Utils.hexDec(value.substr(2, 8)));
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default:
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return '';
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}
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};
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return Unescaper;
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})();
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module.exports = Unescaper;
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