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