119 lines
3 KiB
JavaScript
119 lines
3 KiB
JavaScript
// Generated by CoffeeScript 1.12.4
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var Pattern;
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Pattern = (function() {
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Pattern.prototype.regex = null;
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Pattern.prototype.rawRegex = null;
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Pattern.prototype.cleanedRegex = null;
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Pattern.prototype.mapping = null;
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function Pattern(rawRegex, modifiers) {
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var _char, capturingBracketNumber, cleanedRegex, i, len, mapping, name, part, subChar;
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if (modifiers == null) {
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modifiers = '';
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}
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cleanedRegex = '';
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len = rawRegex.length;
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mapping = null;
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capturingBracketNumber = 0;
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i = 0;
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while (i < len) {
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_char = rawRegex.charAt(i);
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if (_char === '\\') {
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cleanedRegex += rawRegex.slice(i, +(i + 1) + 1 || 9e9);
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i++;
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} else if (_char === '(') {
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if (i < len - 2) {
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part = rawRegex.slice(i, +(i + 2) + 1 || 9e9);
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if (part === '(?:') {
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i += 2;
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cleanedRegex += part;
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} else if (part === '(?<') {
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capturingBracketNumber++;
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i += 2;
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name = '';
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while (i + 1 < len) {
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subChar = rawRegex.charAt(i + 1);
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if (subChar === '>') {
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cleanedRegex += '(';
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i++;
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if (name.length > 0) {
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if (mapping == null) {
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mapping = {};
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}
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mapping[name] = capturingBracketNumber;
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}
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break;
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} else {
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name += subChar;
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}
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i++;
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}
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} else {
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cleanedRegex += _char;
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capturingBracketNumber++;
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}
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} else {
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cleanedRegex += _char;
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}
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} else {
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cleanedRegex += _char;
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}
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i++;
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}
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this.rawRegex = rawRegex;
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this.cleanedRegex = cleanedRegex;
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this.regex = new RegExp(this.cleanedRegex, 'g' + modifiers.replace('g', ''));
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this.mapping = mapping;
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}
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Pattern.prototype.exec = function(str) {
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var index, matches, name, ref;
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this.regex.lastIndex = 0;
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matches = this.regex.exec(str);
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if (matches == null) {
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return null;
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}
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if (this.mapping != null) {
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ref = this.mapping;
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for (name in ref) {
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index = ref[name];
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matches[name] = matches[index];
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}
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}
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return matches;
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};
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Pattern.prototype.test = function(str) {
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this.regex.lastIndex = 0;
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return this.regex.test(str);
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};
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Pattern.prototype.replace = function(str, replacement) {
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this.regex.lastIndex = 0;
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return str.replace(this.regex, replacement);
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};
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Pattern.prototype.replaceAll = function(str, replacement, limit) {
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var count;
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if (limit == null) {
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limit = 0;
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}
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this.regex.lastIndex = 0;
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count = 0;
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while (this.regex.test(str) && (limit === 0 || count < limit)) {
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this.regex.lastIndex = 0;
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str = str.replace(this.regex, replacement);
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count++;
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}
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return [str, count];
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};
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return Pattern;
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})();
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module.exports = Pattern;
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