| /* |
| Input Mask plugin extensions |
| http://github.com/RobinHerbots/jquery.inputmask |
| Copyright (c) 2010 - 2014 Robin Herbots |
| Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php) |
| Version: 0.0.0 |
| |
| Regex extensions on the jquery.inputmask base |
| Allows for using regular expressions as a mask |
| */ |
| (function ($) { |
| $.extend($.inputmask.defaults.aliases, { // $(selector).inputmask("Regex", { regex: "[0-9]*"} |
| 'Regex': { |
| mask: "r", |
| greedy: false, |
| repeat: "*", |
| regex: null, |
| regexTokens: null, |
| //Thx to https://github.com/slevithan/regex-colorizer for the tokenizer regex |
| 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, |
| quantifierFilter: /[0-9]+[^,]/, |
| definitions: { |
| 'r': { |
| validator: function (chrs, buffer, pos, strict, opts) { |
| function regexToken() { |
| this.matches = []; |
| this.isGroup = false; |
| this.isQuantifier = false; |
| this.isLiteral = false; |
| } |
| function analyseRegex() { |
| var currentToken = new regexToken(), match, m, opengroups = []; |
| |
| opts.regexTokens = []; |
| |
| // The tokenizer regex does most of the tokenization grunt work |
| while (match = opts.tokenizer.exec(opts.regex)) { |
| m = match[0]; |
| switch (m.charAt(0)) { |
| case "[": // Character class |
| case "\\": // Escape or backreference |
| if (opengroups.length > 0) { |
| opengroups[opengroups.length - 1]["matches"].push(m); |
| } else { |
| currentToken.matches.push(m); |
| } |
| break; |
| case "(": // Group opening |
| if (!currentToken.isGroup && currentToken.matches.length > 0) |
| opts.regexTokens.push(currentToken); |
| currentToken = new regexToken(); |
| currentToken.isGroup = true; |
| opengroups.push(currentToken); |
| break; |
| case ")": // Group closing |
| var groupToken = opengroups.pop(); |
| if (opengroups.length > 0) { |
| opengroups[opengroups.length - 1]["matches"].push(groupToken); |
| } else { |
| opts.regexTokens.push(groupToken); |
| currentToken = new regexToken(); |
| } |
| break; |
| case "{": //Quantifier |
| var quantifier = new regexToken(); |
| quantifier.isQuantifier = true; |
| quantifier.matches.push(m); |
| if (opengroups.length > 0) { |
| opengroups[opengroups.length - 1]["matches"].push(quantifier); |
| } else { |
| currentToken.matches.push(quantifier); |
| } |
| break; |
| default: |
| // Vertical bar (alternator) |
| // ^ or $ anchor |
| // Dot (.) |
| // Literal character sequence |
| var literal = new regexToken(); |
| literal.isLiteral = true; |
| literal.matches.push(m); |
| if (opengroups.length > 0) { |
| opengroups[opengroups.length - 1]["matches"].push(literal); |
| } else { |
| currentToken.matches.push(literal); |
| } |
| } |
| } |
| |
| if (currentToken.matches.length > 0) |
| opts.regexTokens.push(currentToken); |
| } |
| function validateRegexToken(token, fromGroup) { |
| var isvalid = false; |
| if (fromGroup) { |
| regexPart += "("; |
| openGroupCount++; |
| } |
| for (var mndx = 0; mndx < token["matches"].length; mndx++) { |
| var matchToken = token["matches"][mndx]; |
| if (matchToken["isGroup"] == true) { |
| isvalid = validateRegexToken(matchToken, true); |
| } else if (matchToken["isQuantifier"] == true) { |
| matchToken = matchToken["matches"][0]; |
| var quantifierMax = opts.quantifierFilter.exec(matchToken)[0].replace("}", ""); |
| var testExp = regexPart + "{1," + quantifierMax + "}"; //relax quantifier validation |
| for (var j = 0; j < openGroupCount; j++) { |
| testExp += ")"; |
| } |
| var exp = new RegExp("^(" + testExp + ")$"); |
| isvalid = exp.test(bufferStr); |
| regexPart += matchToken; |
| } else if (matchToken["isLiteral"] == true) { |
| matchToken = matchToken["matches"][0]; |
| var testExp = regexPart, openGroupCloser = ""; |
| for (var j = 0; j < openGroupCount; j++) { |
| openGroupCloser += ")"; |
| } |
| for (var k = 0; k < matchToken.length; k++) { //relax literal validation |
| testExp = (testExp + matchToken[k]).replace(/\|$/, ""); |
| var exp = new RegExp("^(" + testExp + openGroupCloser + ")$"); |
| isvalid = exp.test(bufferStr); |
| if (isvalid) break; |
| } |
| regexPart += matchToken; |
| //console.log(bufferStr + " " + exp + " " + isvalid); |
| } else { |
| regexPart += matchToken; |
| var testExp = regexPart.replace(/\|$/, ""); |
| for (var j = 0; j < openGroupCount; j++) { |
| testExp += ")"; |
| } |
| var exp = new RegExp("^(" + testExp + ")$"); |
| isvalid = exp.test(bufferStr); |
| //console.log(bufferStr + " " + exp + " " + isvalid); |
| } |
| if (isvalid) break; |
| } |
| |
| if (fromGroup) { |
| regexPart += ")"; |
| openGroupCount--; |
| } |
| |
| return isvalid; |
| } |
| |
| |
| if (opts.regexTokens == null) { |
| analyseRegex(); |
| } |
| |
| var cbuffer = buffer.slice(), regexPart = "", isValid = false, openGroupCount = 0; |
| cbuffer.splice(pos, 0, chrs); |
| var bufferStr = cbuffer.join(''); |
| for (var i = 0; i < opts.regexTokens.length; i++) { |
| var regexToken = opts.regexTokens[i]; |
| isValid = validateRegexToken(regexToken, regexToken["isGroup"]); |
| if (isValid) break; |
| } |
| |
| return isValid; |
| }, |
| cardinality: 1 |
| } |
| } |
| } |
| }); |
| })(jQuery); |