[bf47591] | 1 | /* |
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| 2 | Input Mask plugin extensions |
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| 3 | http://github.com/RobinHerbots/jquery.inputmask |
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| 4 | Copyright (c) 2010 - 2014 Robin Herbots |
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| 5 | Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php) |
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| 6 | Version: 0.0.0 |
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| 7 | |
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| 8 | Regex extensions on the jquery.inputmask base |
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| 9 | Allows for using regular expressions as a mask |
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| 10 | */ |
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| 11 | (function ($) { |
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| 12 | $.extend($.inputmask.defaults.aliases, { // $(selector).inputmask("Regex", { regex: "[0-9]*"} |
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| 13 | 'Regex': { |
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| 14 | mask: "r", |
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| 15 | greedy: false, |
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| 16 | repeat: "*", |
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| 17 | regex: null, |
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| 18 | regexTokens: null, |
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| 19 | //Thx to https://github.com/slevithan/regex-colorizer for the tokenizer regex |
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| 20 | tokenizer: /\[\^?]?(?:[^\\\]]+|\\[\S\s]?)*]?|\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9][0-9]*|x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4}|c[A-Za-z]|[\S\s]?)|\((?:\?[:=!]?)?|(?:[?*+]|\{[0-9]+(?:,[0-9]*)?\})\??|[^.?*+^${[()|\\]+|./g, |
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| 21 | quantifierFilter: /[0-9]+[^,]/, |
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| 22 | definitions: { |
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| 23 | 'r': { |
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| 24 | validator: function (chrs, buffer, pos, strict, opts) { |
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| 25 | function regexToken() { |
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| 26 | this.matches = []; |
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| 27 | this.isGroup = false; |
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| 28 | this.isQuantifier = false; |
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| 29 | this.isLiteral = false; |
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| 30 | } |
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| 31 | function analyseRegex() { |
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| 32 | var currentToken = new regexToken(), match, m, opengroups = []; |
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| 33 | |
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| 34 | opts.regexTokens = []; |
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| 35 | |
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| 36 | // The tokenizer regex does most of the tokenization grunt work |
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| 37 | while (match = opts.tokenizer.exec(opts.regex)) { |
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| 38 | m = match[0]; |
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| 39 | switch (m.charAt(0)) { |
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| 40 | case "[": // Character class |
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| 41 | case "\\": // Escape or backreference |
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| 42 | if (opengroups.length > 0) { |
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| 43 | opengroups[opengroups.length - 1]["matches"].push(m); |
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| 44 | } else { |
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| 45 | currentToken.matches.push(m); |
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| 46 | } |
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| 47 | break; |
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| 48 | case "(": // Group opening |
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| 49 | if (!currentToken.isGroup && currentToken.matches.length > 0) |
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| 50 | opts.regexTokens.push(currentToken); |
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| 51 | currentToken = new regexToken(); |
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| 52 | currentToken.isGroup = true; |
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| 53 | opengroups.push(currentToken); |
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| 54 | break; |
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| 55 | case ")": // Group closing |
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| 56 | var groupToken = opengroups.pop(); |
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| 57 | if (opengroups.length > 0) { |
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| 58 | opengroups[opengroups.length - 1]["matches"].push(groupToken); |
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| 59 | } else { |
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| 60 | opts.regexTokens.push(groupToken); |
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| 61 | currentToken = new regexToken(); |
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| 62 | } |
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| 63 | break; |
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| 64 | case "{": //Quantifier |
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| 65 | var quantifier = new regexToken(); |
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| 66 | quantifier.isQuantifier = true; |
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| 67 | quantifier.matches.push(m); |
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| 68 | if (opengroups.length > 0) { |
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| 69 | opengroups[opengroups.length - 1]["matches"].push(quantifier); |
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| 70 | } else { |
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| 71 | currentToken.matches.push(quantifier); |
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| 72 | } |
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| 73 | break; |
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| 74 | default: |
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| 75 | // Vertical bar (alternator) |
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| 76 | // ^ or $ anchor |
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| 77 | // Dot (.) |
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| 78 | // Literal character sequence |
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| 79 | var literal = new regexToken(); |
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| 80 | literal.isLiteral = true; |
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| 81 | literal.matches.push(m); |
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| 82 | if (opengroups.length > 0) { |
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| 83 | opengroups[opengroups.length - 1]["matches"].push(literal); |
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| 84 | } else { |
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| 85 | currentToken.matches.push(literal); |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | |
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| 90 | if (currentToken.matches.length > 0) |
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| 91 | opts.regexTokens.push(currentToken); |
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| 92 | } |
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| 93 | function validateRegexToken(token, fromGroup) { |
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| 94 | var isvalid = false; |
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| 95 | if (fromGroup) { |
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| 96 | regexPart += "("; |
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| 97 | openGroupCount++; |
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| 98 | } |
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| 99 | for (var mndx = 0; mndx < token["matches"].length; mndx++) { |
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| 100 | var matchToken = token["matches"][mndx]; |
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| 101 | if (matchToken["isGroup"] == true) { |
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| 102 | isvalid = validateRegexToken(matchToken, true); |
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| 103 | } else if (matchToken["isQuantifier"] == true) { |
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| 104 | matchToken = matchToken["matches"][0]; |
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| 105 | var quantifierMax = opts.quantifierFilter.exec(matchToken)[0].replace("}", ""); |
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| 106 | var testExp = regexPart + "{1," + quantifierMax + "}"; //relax quantifier validation |
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| 107 | for (var j = 0; j < openGroupCount; j++) { |
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| 108 | testExp += ")"; |
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| 109 | } |
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| 110 | var exp = new RegExp("^(" + testExp + ")$"); |
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| 111 | isvalid = exp.test(bufferStr); |
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| 112 | regexPart += matchToken; |
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| 113 | } else if (matchToken["isLiteral"] == true) { |
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| 114 | matchToken = matchToken["matches"][0]; |
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| 115 | var testExp = regexPart, openGroupCloser = ""; |
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| 116 | for (var j = 0; j < openGroupCount; j++) { |
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| 117 | openGroupCloser += ")"; |
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| 118 | } |
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| 119 | for (var k = 0; k < matchToken.length; k++) { //relax literal validation |
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| 120 | testExp = (testExp + matchToken[k]).replace(/\|$/, ""); |
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| 121 | var exp = new RegExp("^(" + testExp + openGroupCloser + ")$"); |
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| 122 | isvalid = exp.test(bufferStr); |
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| 123 | if (isvalid) break; |
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| 124 | } |
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| 125 | regexPart += matchToken; |
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| 126 | //console.log(bufferStr + " " + exp + " " + isvalid); |
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| 127 | } else { |
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| 128 | regexPart += matchToken; |
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| 129 | var testExp = regexPart.replace(/\|$/, ""); |
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| 130 | for (var j = 0; j < openGroupCount; j++) { |
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| 131 | testExp += ")"; |
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| 132 | } |
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| 133 | var exp = new RegExp("^(" + testExp + ")$"); |
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| 134 | isvalid = exp.test(bufferStr); |
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| 135 | //console.log(bufferStr + " " + exp + " " + isvalid); |
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| 136 | } |
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| 137 | if (isvalid) break; |
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| 138 | } |
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| 139 | |
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| 140 | if (fromGroup) { |
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| 141 | regexPart += ")"; |
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| 142 | openGroupCount--; |
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| 143 | } |
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| 144 | |
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| 145 | return isvalid; |
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| 146 | } |
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| 147 | |
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| 148 | |
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| 149 | if (opts.regexTokens == null) { |
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| 150 | analyseRegex(); |
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| 151 | } |
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| 152 | |
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| 153 | var cbuffer = buffer.slice(), regexPart = "", isValid = false, openGroupCount = 0; |
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| 154 | cbuffer.splice(pos, 0, chrs); |
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| 155 | var bufferStr = cbuffer.join(''); |
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| 156 | for (var i = 0; i < opts.regexTokens.length; i++) { |
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| 157 | var regexToken = opts.regexTokens[i]; |
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| 158 | isValid = validateRegexToken(regexToken, regexToken["isGroup"]); |
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| 159 | if (isValid) break; |
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| 160 | } |
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| 161 | |
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| 162 | return isValid; |
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| 163 | }, |
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| 164 | cardinality: 1 |
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| 165 | } |
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| 166 | } |
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| 167 | } |
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| 168 | }); |
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| 169 | })(jQuery); |
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