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/*
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);