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Diffstat (limited to 'js/dojo/dojox/validate/_base.js')
| -rw-r--r-- | js/dojo/dojox/validate/_base.js | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/js/dojo/dojox/validate/_base.js b/js/dojo/dojox/validate/_base.js new file mode 100644 index 0000000..d108c8b --- /dev/null +++ b/js/dojo/dojox/validate/_base.js @@ -0,0 +1,144 @@ +//>>built +define("dojox/validate/_base", [ + "dojo/_base/lang", + "dojo/regexp", // dojo core expressions + "dojo/number", // dojo number expressions + "./regexp" // additional expressions +], function(lang, regexp, number, xregexp) { + + var validate = lang.getObject("dojox.validate", true); + /*===== + validate = dojox.validate; + =====*/ + +validate.isText = function(/*String*/value, /*Object?*/flags){ + // summary: + // Checks if a string has non whitespace characters. + // Parameters allow you to constrain the length. + // + // value: A string + // flags: {length: Number, minlength: Number, maxlength: Number} + // flags.length If set, checks if there are exactly flags.length number of characters. + // flags.minlength If set, checks if there are at least flags.minlength number of characters. + // flags.maxlength If set, checks if there are at most flags.maxlength number of characters. + + flags = (typeof flags == "object") ? flags : {}; + + // test for text + if(/^\s*$/.test(value)){ return false; } // Boolean + + // length tests + if(typeof flags.length == "number" && flags.length != value.length){ return false; } // Boolean + if(typeof flags.minlength == "number" && flags.minlength > value.length){ return false; } // Boolean + if(typeof flags.maxlength == "number" && flags.maxlength < value.length){ return false; } // Boolean + + return true; // Boolean + +}; + +validate._isInRangeCache = {}; +validate.isInRange = function(/*String*/value, /*Object?*/flags){ + // summary: + // Validates whether a string denoting a number + // is between a max and min. + // + // value: A string + // flags: {max:Number, min:Number, decimal:String} + // flags.max A number, which the value must be less than or equal to for the validation to be true. + // flags.min A number, which the value must be greater than or equal to for the validation to be true. + // flags.decimal The character used for the decimal point. Default is ".". + + value = number.parse(value, flags); + if(isNaN(value)){ + return false; // Boolean + } + + // assign default values to missing paramters + flags = (typeof flags == "object") ? flags : {}; + var max = (typeof flags.max == "number") ? flags.max : Infinity, + min = (typeof flags.min == "number") ? flags.min : -Infinity, + dec = (typeof flags.decimal == "string") ? flags.decimal : ".", + + cache = validate._isInRangeCache, + cacheIdx = value + "max" + max + "min" + min + "dec" + dec + ; + if(typeof cache[cacheIdx] != "undefined"){ + return cache[cacheIdx]; + } + + cache[cacheIdx] = !(value < min || value > max); + return cache[cacheIdx]; // Boolean + +}; + +validate.isNumberFormat = function(/* String */value, /* Object? */flags){ + // summary: Validates any sort of number based format + // + // description: + // Validates any sort of number based format. Use it for phone numbers, + // social security numbers, zip-codes, etc. The value can be validated + // against one format or one of multiple formats. + // + // Format Definition + // | # Stands for a digit, 0-9. + // | ? Stands for an optional digit, 0-9 or nothing. + // All other characters must appear literally in the expression. + // + // example: + // | "(###) ###-####" -> (510) 542-9742 + // | "(###) ###-#### x#???" -> (510) 542-9742 x153 + // | "###-##-####" -> 506-82-1089 i.e. social security number + // | "#####-####" -> 98225-1649 i.e. zip code + // + // value: A string + // + // flags: Object? + // FIXME: make pseudo-object for this + // format: String + // + // flags.format A string or an Array of strings for multiple formats. + // + // example: + // | // returns true: + // | dojox.validate.isNumberFormat("123-45", { format:"###-##" }); + // + // example: + // Check Multiple formats: + // | dojox.validate.isNumberFormat("123-45", { + // | format:["### ##","###-##","## ###"] + // | }); + // + + var re = new RegExp("^" + xregexp.numberFormat(flags) + "$", "i"); + return re.test(value); // Boolean +}; + +validate.isValidLuhn = function(/* String */value){ + // summary: Validate a String value against the Luhn algorithm. + // description: + // Validate a String value against the Luhn algorithm to verify + // its integrity. + + var sum = 0, parity, curDigit; + if(!lang.isString(value)){ + value = String(value); + } + value = value.replace(/[- ]/g,''); //ignore dashes and whitespaces + parity = value.length % 2; + + 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); // Boolean +}; + +return validate; + +}); |