if(obj.nodeType != type) throw new TypeError();
}
};
-/*
-Copyright (C) 2008 Alina Friedrichsen <x-alina@gmx.net>
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
-*/
-
-function VarType() {
-}
-
-VarType.isNull = function(obj) {
- if(typeof obj == "undefined") return true;
- if(typeof obj == "object" && (!obj)) return true;
- return false;
-};
-
-VarType.toFloat = function(value) {
- value = Number(value);
- return value;
-};
-
-VarType.toDecimal = function(value) {
- value = Number(value);
- if(!isFinite(value)) value = 0.0;
- return value;
-};
-
-VarType.toInt = function(value) {
- value = Number(value);
- if(!isFinite(value)) value = 0.0;
- value = Math.floor(value);
- return value;
-};
-
-VarType.toUInt = function(value) {
- value = Number(value);
- if(!isFinite(value)) value = 0.0;
- else if(value < 0.0) value = 0.0;
- value = Math.floor(value);
- return value;
-};
-
-VarType.toStr = function(value) {
- if(VarType.isNull(value)) value = "";
- value = String(value);
- return value;
-};
-
-VarType.toBool = function(value) {
- value = Boolean(value);
- return value;
-};
-
-VarType.needObject = function(obj) {
- if(typeof obj != "object" || (!obj)) throw new TypeError();
-};
-
-VarType.needInstanceOf = function(obj, type) {
- if(!(obj instanceof type)) throw new TypeError();
-};
-
-VarType.needFunction = function(obj) {
- if(typeof obj != "function") throw new TypeError();
-};
-
-VarType.needNode = function(obj, type) {
- VarType.needObject(obj);
- if(VarType.isNull(obj.nodeType)) throw new TypeError();
- if(!VarType.isNull(type)) {
- type = VarType.toInt(type);
- if(obj.nodeType != type) throw new TypeError();
- }
-};