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tdegraphics/ksvg/ecma/ksvg_cacheimpl.h

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/*
Copyright (C) 2002-2003 KSVG Team
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KSVGCacheImpl_H
#define KSVGCacheImpl_H
#include "ksvg_scriptinterpreter.h"
// Lookup or create JS object around an existing "DOM Object"
template<class DOMObj, class KJSDOMObj>
inline KJS::Value cacheDOMObject(KJS::ExecState *exec, DOMObj *domObj)
{
KJS::ObjectImp *ret;
if(!domObj)
return KJS::Null();
KSVGScriptInterpreter *interp = static_cast<KSVGScriptInterpreter *>(exec->interpreter());
if((ret = interp->getDOMObject(domObj)))
return KJS::Value(ret);
else
{
ret = new KJSDOMObj(exec, domObj);
interp->putDOMObject(domObj, ret);
return KJS::Value(ret);
}
}
// Lookup or create singleton Impl object, and return a unique bridge object for it.
// (Very much like KJS::cacheGlobalObject, which is for a singleton ObjectImp)
// This one is mostly used for Constructor objects.
template <class ClassCtor>
inline KJS::Object cacheGlobalBridge(KJS::ExecState *exec, const KJS::Identifier &propertyName)
{
KJS::ValueImp *obj = static_cast<KJS::ObjectImp*>(exec->interpreter()->globalObject().imp())->getDirect(propertyName);
if(obj)
return KJS::Object::dynamicCast(KJS::Value(obj));
else
{
ClassCtor* ctor = new ClassCtor(exec); // create the ClassCtor instance
KJS::Object newObject(new KSVGBridge<ClassCtor>(exec, ctor)); // create the bridge around it
exec->interpreter()->globalObject().put(exec, propertyName, newObject, KJS::Internal);
return newObject;
}
}
#endif
// vim:ts=4:noet