/* * Helma License Notice * * The contents of this file are subject to the Helma License * Version 2.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://adele.helma.org/download/helma/license.txt * * Copyright 1998-2006 Helma Software. All Rights Reserved. * * $RCSfile: Object.js,v $ * $Author: czv $ * $Revision: 1.2 $ * $Date: 2006/04/24 07:02:17 $ */ /** * @fileoverview Adds useful methods to the JavaScript Object type. */ /** * copy the properties of an object into * a new object * @param Object the source object * @param Object the (optional) target object * @return Object the resulting object */ Object.prototype.clone = function(clone, recursive) { if (!clone) clone = new this.constructor(); var value; for (var propName in this) { value = this[propName]; if (recursive && (value.constructor == HopObject || value.constructor == Object)) { clone[propName] = value.clone(new value.constructor(), recursive); } else { clone[propName] = value; } } return clone; }; /** * reduce an extended object (ie. a HopObject) * to a generic javascript object * @param HopObject the HopObject to be reduced * @return Object the resulting generic object */ Object.prototype.reduce = function(recursive) { var result = {}; for (var i in this) { if (this[i] instanceof HopObject == false) result[i] = this[i]; else if (recursive) result[i] = this.reduce(true); } return result; }; /** * print the contents of an object for debugging * @param Object the object to dump * @param Boolean recursive flag (if true, dump child objects, too) */ Object.prototype.dump = function(recursive) { var beginList = ""; var beginItem = "
  • "; var endItem = "
  • "; var beginKey = ""; var endKey = ": "; res.write(beginList); for (var p in this) { res.write(beginItem); res.write(beginKey); res.write(p); res.write(endKey); if (recursive && typeof this[p] == "object") { var recurse = true; var types = [Function, Date, String, Number]; for (var i in types) { if (this[p] instanceof types[i]) { recurse = false break; } } if (recurse == true) this[p].dump(true); else { res.write(this[p].toSource()); } } else if (this[p]) { res.write(encode(this[p].toSource())); } res.write(endItem); } res.write(endList); return; }; // prevent any newly added properties from being enumerated for (var i in Object) Object.dontEnum(i); for (var i in Object.prototype) Object.prototype.dontEnum(i);