+++ /dev/null
-/*
- * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved.
- *
- * 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
- */
-
-#include "config.h"
-
-#if ENABLE(NETSCAPE_API)
-
-#include "c_instance.h"
-
-#include "c_class.h"
-#include "c_runtime.h"
-#include "c_utility.h"
-#include "list.h"
-#include "npruntime_impl.h"
-#include "PropertyNameArray.h"
-#include "runtime_root.h"
-#include <wtf/Assertions.h>
-#include <wtf/StringExtras.h>
-#include <wtf/Vector.h>
-
-namespace KJS {
-namespace Bindings {
-
-CInstance::CInstance(NPObject* o, PassRefPtr<RootObject> rootObject)
- : Instance(rootObject)
-{
- _object = _NPN_RetainObject(o);
- _class = 0;
-}
-
-CInstance::~CInstance()
-{
- _NPN_ReleaseObject(_object);
-}
-
-Class *CInstance::getClass() const
-{
- if (!_class)
- _class = CClass::classForIsA(_object->_class);
- return _class;
-}
-
-void CInstance::begin()
-{
- // Do nothing.
-}
-
-void CInstance::end()
-{
- // Do nothing.
-}
-
-bool CInstance::implementsCall() const
-{
- return (_object->_class->invokeDefault != 0);
-}
-
-JSValue* CInstance::invokeMethod(ExecState* exec, const MethodList& methodList, const List& args)
-{
- // Overloading methods are not allowed by NPObjects. Should only be one
- // name match for a particular method.
- ASSERT(methodList.size() == 1);
-
- CMethod* method = static_cast<CMethod*>(methodList[0]);
-
- NPIdentifier ident = _NPN_GetStringIdentifier(method->name());
- if (!_object->_class->hasMethod(_object, ident))
- return jsUndefined();
-
- unsigned count = args.size();
- Vector<NPVariant, 128> cArgs(count);
-
- unsigned i;
- for (i = 0; i < count; i++)
- convertValueToNPVariant(exec, args.at(i), &cArgs[i]);
-
- // Invoke the 'C' method.
- NPVariant resultVariant;
- VOID_TO_NPVARIANT(resultVariant);
-
- {
- JSLock::DropAllLocks dropAllLocks;
- _object->_class->invoke(_object, ident, cArgs.data(), count, &resultVariant);
- }
-
- for (i = 0; i < count; i++)
- _NPN_ReleaseVariantValue(&cArgs[i]);
-
- JSValue* resultValue = convertNPVariantToValue(exec, &resultVariant, _rootObject.get());
- _NPN_ReleaseVariantValue(&resultVariant);
- return resultValue;
-}
-
-
-JSValue* CInstance::invokeDefaultMethod(ExecState* exec, const List& args)
-{
- if (!_object->_class->invokeDefault)
- return jsUndefined();
-
- unsigned count = args.size();
- Vector<NPVariant, 128> cArgs(count);
-
- unsigned i;
- for (i = 0; i < count; i++)
- convertValueToNPVariant(exec, args.at(i), &cArgs[i]);
-
- // Invoke the 'C' method.
- NPVariant resultVariant;
- VOID_TO_NPVARIANT(resultVariant);
- {
- JSLock::DropAllLocks dropAllLocks;
- _object->_class->invokeDefault(_object, cArgs.data(), count, &resultVariant);
- }
-
- for (i = 0; i < count; i++)
- _NPN_ReleaseVariantValue(&cArgs[i]);
-
- JSValue* resultValue = convertNPVariantToValue(exec, &resultVariant, _rootObject.get());
- _NPN_ReleaseVariantValue(&resultVariant);
- return resultValue;
-}
-
-
-JSValue* CInstance::defaultValue(JSType hint) const
-{
- if (hint == StringType)
- return stringValue();
- if (hint == NumberType)
- return numberValue();
- if (hint == BooleanType)
- return booleanValue();
- return valueOf();
-}
-
-JSValue* CInstance::stringValue() const
-{
- char buf[1024];
- snprintf(buf, sizeof(buf), "NPObject %p, NPClass %p", _object, _object->_class);
- return jsString(buf);
-}
-
-JSValue* CInstance::numberValue() const
-{
- // FIXME: Implement something sensible.
- return jsNumber(0);
-}
-
-JSValue* CInstance::booleanValue() const
-{
- // FIXME: Implement something sensible.
- return jsBoolean(false);
-}
-
-JSValue* CInstance::valueOf() const
-{
- return stringValue();
-}
-
-void CInstance::getPropertyNames(ExecState*, PropertyNameArray& nameArray)
-{
- if (!NP_CLASS_STRUCT_VERSION_HAS_ENUM(_object->_class) ||
- !_object->_class->enumerate)
- return;
-
- unsigned count;
- NPIdentifier* identifiers;
-
- {
- JSLock::DropAllLocks dropAllLocks;
- if (!_object->_class->enumerate(_object, &identifiers, &count))
- return;
- }
-
- for (unsigned i = 0; i < count; i++) {
- PrivateIdentifier* identifier = static_cast<PrivateIdentifier*>(identifiers[i]);
-
- if (identifier->isString)
- nameArray.add(identifierFromNPIdentifier(identifier->value.string));
- else
- nameArray.add(Identifier::from(identifier->value.number));
- }
-
- // FIXME: This should really call NPN_MemFree but that's in WebKit
- free(identifiers);
-}
-
-}
-}
-
-#endif // ENABLE(NETSCAPE_API)
projects / apple / javascriptcore.git / blobdiff