flymis/WebRoot/dojojs/src/validate/common.js

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/*
	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(/*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
}

dojo.validate.isInteger = function(/*String*/value, /*Object?*/flags){
// summary:
//	Validates whether a string is in an integer format
//
// value  A string
// flags  {signed: Boolean|[true,false], separator: String}
//    flags.signed  The leading plus-or-minus sign.  Can be true, false, or [true, false].
//      Default is [true, false], (i.e. sign is optional).
//    flags.separator  The character used as the thousands separator.  Default is no separator.
//      For more than one symbol use an array, e.g. [",", ""], makes ',' optional.

	var re = new RegExp("^" + dojo.regexp.integer(flags) + "$");
	return re.test(value); // Boolean
}

dojo.validate.isRealNumber = function(/*String*/value, /*Object?*/flags){
// summary:
//	Validates whether a string is a real valued number. 
//	Format is the usual exponential notation.
//
// value: A string