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