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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.lang.common");
dojo.lang.inherits = function (subclass, superclass) {
if (!dojo.lang.isFunction(superclass)) {
dojo.raise("dojo.inherits: superclass argument [" + superclass + "] must be a function (subclass: [" + subclass + "']");
}
subclass.prototype = new superclass();
subclass.prototype.constructor = subclass;
subclass.superclass = superclass.prototype;
subclass["super"] = superclass.prototype;
};
dojo.lang._mixin = function (obj, props) {
var tobj = {};
for (var x in props) {
if ((typeof tobj[x] == "undefined") || (tobj[x] != props[x])) {
obj[x] = props[x];
}
}
if (dojo.render.html.ie && (typeof (props["toString"]) == "function") && (props["toString"] != obj["toString"]) && (props["toString"] != tobj["toString"])) {
obj.toString = props.toString;
}
return obj;
};
dojo.lang.mixin = function (obj, props) {
for (var i = 1, l = arguments.length; i < l; i++) {
dojo.lang._mixin(obj, arguments[i]);
}
return obj;
};
dojo.lang.extend = function (constructor, props) {
for (var i = 1, l = arguments.length; i < l; i++) {
dojo.lang._mixin(constructor.prototype, arguments[i]);
}
return constructor;
};
dojo.inherits = dojo.lang.inherits;
dojo.mixin = dojo.lang.mixin;
dojo.extend = dojo.lang.extend;
dojo.lang.find = function (array, value, identity, findLast) {
if (!dojo.lang.isArrayLike(array) && dojo.lang.isArrayLike(value)) {
dojo.deprecated("dojo.lang.find(value, array)", "use dojo.lang.find(array, value) instead", "0.5");
var temp = array;
array = value;
value = temp;
}
var isString = dojo.lang.isString(array);
if (isString) {
array = array.split("");
}
if (findLast) {
var step = -1;
var i = array.length - 1;
var end = -1;
} else {
var step = 1;
var i = 0;
var end = array.length;
}
if (identity) {
while (i != end) {
if (array[i] === value) {
return i;
}
i += step;
}
} else {
while (i != end) {
if (array[i] == value) {
return i;
}
i += step;
}
}
return -1;
};
dojo.lang.indexOf = dojo.lang.find;
dojo.lang.findLast = function (array, value, identity) {
return dojo.lang.find(array, value, identity, true);
};
dojo.lang.lastIndexOf = dojo.lang.findLast;
dojo.lang.inArray = function (array, value) {
return dojo.lang.find(array, value) > -1;
};
dojo.lang.isObject = function (it) {
if (typeof it == "undefined") {
return false;
}
return (typeof it == "object" || it === null || dojo.lang.isArray(it) || dojo.lang.isFunction(it));
};
dojo.lang.isArray = function (it) {
return (it && it instanceof Array || typeof it == "array");
};
dojo.lang.isArrayLike = function (it) {
if ((!it) || (dojo.lang.isUndefined(it))) {
return false;
}
if (dojo.lang.isString(it)) {
return false;
}
if (dojo.lang.isFunction(it)) {
return false;
}
if (dojo.lang.isArray(it)) {
return true;
}
if ((it.tagName) && (it.tagName.toLowerCase() == "form")) {
return false;
}
if (dojo.lang.isNumber(it.length) && isFinite(it.length)) {
return true;
}
return false;
};
dojo.lang.isFunction = function (it) {
return (it instanceof Function || typeof it == "function");
};
(function () {
if ((dojo.render.html.capable) && (dojo.render.html["safari"])) {
dojo.lang.isFunction = function (it) {
if ((typeof (it) == "function") && (it == "[object NodeList]")) {
return false;
}
return (it instanceof Function || typeof it == "function");
};
}
})();
dojo.lang.isString = function (it) {
return (typeof it == "string" || it instanceof String);
};
dojo.lang.isAlien = function (it) {
if (!it) {
return false;
}
return !dojo.lang.isFunction(it) && /\{\s*\[native code\]\s*\}/.test(String(it));
};
dojo.lang.isBoolean = function (it) {
return (it instanceof Boolean || typeof it == "boolean");
};
dojo.lang.isNumber = function (it) {
return (it instanceof Number || typeof it == "number");
};
dojo.lang.isUndefined = function (it) {
return ((typeof (it) == "undefined") && (it == undefined));
};