gistfile1.js

(function($) {

	var validate_rules = {
		user: function(value) {
			var reg = /^[a-z0-9\_\-\@\.]{1,32}$/;
			if (reg.test(value) === false) {
				return "Invalid";
			}
		},

		password: function(value) {
			var reg = /^(?=[^\d_].*?\d)\w(\w|[!@#$%]){1,48}/;
			if (reg.test(value) === false) {
				return "Try again";
			}
		},

		ip: function(value) {
			value = value.split('.');

			if (value.length != 4) {
				return "Malformed IP";
			}

			$.each(value, function(key, value) {
				if(value > 255 || value < 0) {
					return "Malformed IP";
				}
			});
		},

		eq: function(value, options) {
			var compare = $('[name='+options+']').val();

			if (value != compare) {
				return "Miss-match";
			}
		},

		host: function(value) {
			var reg = /^(?=.{1,255}$)[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?(?:\.[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?)*\.?$/;
			if (reg.test(value) === false) {
				return "Invalid";
			}
		}
	};

	var failedCount = 0;

	function processValidation(error_message, $input) {
		if ( typeof error_message == 'undefined' || error_message == true ) {
			return;
		}

		$('<b>').html(' - '+error_message).appendTo($input.siblings('label'));
		$input.parent().addClass("has-error");
		failedCount++;
		return false;
	}

	function processRule(rules, $input) {
		var attr = $input.attr('validate').split(':'); //array of params
		var rule = attr[0];
		var requirement = attr[1];
		var value = $input.val(); //link to input value

		$input.siblings('label').children('b').remove(); //removes old error
		$input.parent().removeClass("has-error"); //removes has-error class

		//checks if field is required, and length 
		if (isNaN(requirement) === false && requirement && value.length < requirement) {
			return processValidation('Must be ' + requirement + ' characters', $input);
		}

		//checks if empty to stop processing 
		if (isNaN(requirement) === false && value.length === 0) {
			return;
		}

		if (rule in rules) {
			return processValidation(rules[rule].apply(this, [value, requirement]), $input);
		}
	}
		
	$.fn.validate = function(rules) {
		failedCount = 0;
		rules = $.extend({}, validate_rules, rules);


		if (this.is('[validate]')) {
			var $input = this;
			processRule(rules, $input);	
		} else {
			this.find('[validate]').each(function() {
				$input = $(this);
				processRule(rules, $input); 
			});
		}

		if (failedCount === 0) { //no errors
			return true;
		} else { //errors
			event.preventDefault(); //stops form processing 
			return false;
		}
	};

}(jQuery));