| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| dojo.provide("dojo.validate.common"); |
| dojo.require("dojo.regexp"); |
| dojo.validate.isText = function (value, flags) { |
| flags = (typeof flags == "object") ? flags : {}; |
| if (/^\s*$/.test(value)) { |
| return false; |
| } |
| if (typeof flags.length == "number" && flags.length != value.length) { |
| return false; |
| } |
| if (typeof flags.minlength == "number" && flags.minlength > value.length) { |
| return false; |
| } |
| if (typeof flags.maxlength == "number" && flags.maxlength < value.length) { |
| return false; |
| } |
| return true; |
| }; |
| dojo.validate.isInteger = function (value, flags) { |
| var re = new RegExp("^" + dojo.regexp.integer(flags) + "$"); |
| return re.test(value); |
| }; |
| dojo.validate.isRealNumber = function (value, flags) { |
| var re = new RegExp("^" + dojo.regexp.realNumber(flags) + "$"); |
| return re.test(value); |
| }; |
| dojo.validate.isCurrency = function (value, flags) { |
| var re = new RegExp("^" + dojo.regexp.currency(flags) + "$"); |
| return re.test(value); |
| }; |
| dojo.validate._isInRangeCache = {}; |
| dojo.validate.isInRange = function (value, flags) { |
| value = value.replace(dojo.lang.has(flags, "separator") ? flags.separator : ",", "", "g").replace(dojo.lang.has(flags, "symbol") ? flags.symbol : "$", ""); |
| if (isNaN(value)) { |
| return false; |
| } |
| flags = (typeof flags == "object") ? flags : {}; |
| var max = (typeof flags.max == "number") ? flags.max : Infinity; |
| var min = (typeof flags.min == "number") ? flags.min : -Infinity; |
| var dec = (typeof flags.decimal == "string") ? flags.decimal : "."; |
| var cache = dojo.validate._isInRangeCache; |
| var cacheIdx = value + "max" + max + "min" + min + "dec" + dec; |
| if (typeof cache[cacheIdx] != "undefined") { |
| return cache[cacheIdx]; |
| } |
| var pattern = "[^" + dec + "\\deE+-]"; |
| value = value.replace(RegExp(pattern, "g"), ""); |
| value = value.replace(/^([+-]?)(\D*)/, "$1"); |
| value = value.replace(/(\D*)$/, ""); |
| pattern = "(\\d)[" + dec + "](\\d)"; |
| value = value.replace(RegExp(pattern, "g"), "$1.$2"); |
| value = Number(value); |
| if (value < min || value > max) { |
| cache[cacheIdx] = false; |
| return false; |
| } |
| cache[cacheIdx] = true; |
| return true; |
| }; |
| dojo.validate.isNumberFormat = function (value, flags) { |
| var re = new RegExp("^" + dojo.regexp.numberFormat(flags) + "$", "i"); |
| return re.test(value); |
| }; |
| dojo.validate.isValidLuhn = function (value) { |
| var sum, parity, curDigit; |
| if (typeof value != "string") { |
| value = String(value); |
| } |
| value = value.replace(/[- ]/g, ""); |
| parity = value.length % 2; |
| sum = 0; |
| for (var i = 0; i < value.length; i++) { |
| curDigit = parseInt(value.charAt(i)); |
| if (i % 2 == parity) { |
| curDigit *= 2; |
| } |
| if (curDigit > 9) { |
| curDigit -= 9; |
| } |
| sum += curDigit; |
| } |
| return !(sum % 10); |
| }; |
| |