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/*
* Copyright (C) 2005, 2009 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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"
#include "JSValueWrapper.h"
#include "JSRun.h"
#include <JavaScriptCore/JSArray.h>
#include <JavaScriptCore/PropertyNameArray.h>
#include <pthread.h>
JSValueWrapper::JSValueWrapper(JSValue inValue)
: fValue(inValue)
{
}
JSValueWrapper::~JSValueWrapper()
{
}
JSValue JSValueWrapper::GetValue()
{
return fValue.get();
}
void JSValueWrapper::GetJSObectCallBacks(JSObjectCallBacks& callBacks)
{
callBacks.dispose = (JSObjectDisposeProcPtr)JSValueWrapper::JSObjectDispose;
callBacks.equal = (JSObjectEqualProcPtr)0;
callBacks.copyPropertyNames = (JSObjectCopyPropertyNamesProcPtr)JSValueWrapper::JSObjectCopyPropertyNames;
callBacks.copyCFValue = (JSObjectCopyCFValueProcPtr)JSValueWrapper::JSObjectCopyCFValue;
callBacks.copyProperty = (JSObjectCopyPropertyProcPtr)JSValueWrapper::JSObjectCopyProperty;
callBacks.setProperty = (JSObjectSetPropertyProcPtr)JSValueWrapper::JSObjectSetProperty;
callBacks.callFunction = (JSObjectCallFunctionProcPtr)JSValueWrapper::JSObjectCallFunction;
}
void JSValueWrapper::JSObjectDispose(void *data)
{
JSValueWrapper* ptr = (JSValueWrapper*)data;
delete ptr;
}
CFArrayRef JSValueWrapper::JSObjectCopyPropertyNames(void *data)
{
JSLock lock(LockForReal);
CFMutableArrayRef result = 0;
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
ExecState* exec = getThreadGlobalExecState();
JSObject* object = ptr->GetValue().toObject(exec);
PropertyNameArray propNames(exec);
object->getPropertyNames(exec, propNames);
PropertyNameArray::const_iterator iterator = propNames.begin();
while (iterator != propNames.end()) {
Identifier name = *iterator;
CFStringRef nameStr = IdentifierToCFString(name);
if (!result)
{
result = CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks);
}
if (result && nameStr)
{
CFArrayAppendValue(result, nameStr);
}
ReleaseCFType(nameStr);
iterator++;
}
}
return result;
}
JSObjectRef JSValueWrapper::JSObjectCopyProperty(void *data, CFStringRef propertyName)
{
JSLock lock(LockForReal);
JSObjectRef result = 0;
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
ExecState* exec = getThreadGlobalExecState();
JSValue propValue = ptr->GetValue().toObject(exec)->get(exec, CFStringToIdentifier(propertyName, exec));
JSValueWrapper* wrapperValue = new JSValueWrapper(propValue);
JSObjectCallBacks callBacks;
GetJSObectCallBacks(callBacks);
result = JSObjectCreateInternal(wrapperValue, &callBacks, JSValueWrapper::JSObjectMark, kJSUserObjectDataTypeJSValueWrapper);
if (!result)
{
delete wrapperValue;
}
}
return result;
}
void JSValueWrapper::JSObjectSetProperty(void *data, CFStringRef propertyName, JSObjectRef jsValue)
{
JSLock lock(LockForReal);
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
ExecState* exec = getThreadGlobalExecState();
JSValue value = JSObjectKJSValue((JSUserObject*)jsValue);
JSObject *objValue = ptr->GetValue().toObject(exec);
PutPropertySlot slot;
objValue->put(exec, CFStringToIdentifier(propertyName, exec), value, slot);
}
}
JSObjectRef JSValueWrapper::JSObjectCallFunction(void *data, JSObjectRef thisObj, CFArrayRef args)
{
JSLock lock(LockForReal);
JSObjectRef result = 0;
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
ExecState* exec = getThreadGlobalExecState();
JSValue value = JSObjectKJSValue((JSUserObject*)thisObj);
JSObject* ksjThisObj = value.toObject(exec);
JSObject* objValue = ptr->GetValue().toObject(exec);
MarkedArgumentBuffer listArgs;
CFIndex argCount = args ? CFArrayGetCount(args) : 0;
for (CFIndex i = 0; i < argCount; i++)
{
JSObjectRef jsArg = (JSObjectRef)CFArrayGetValueAtIndex(args, i);
JSValue kgsArg = JSObjectKJSValue((JSUserObject*)jsArg);
listArgs.append(kgsArg);
}
CallData callData;
CallType callType = objValue->getCallData(callData);
if (callType == CallTypeNone)
return 0;
JSValue resultValue = call(exec, objValue, callType, callData, ksjThisObj, listArgs);
JSValueWrapper* wrapperValue = new JSValueWrapper(resultValue);
JSObjectCallBacks callBacks;
GetJSObectCallBacks(callBacks);
result = JSObjectCreate(wrapperValue, &callBacks);
if (!result)
{
delete wrapperValue;
}
}
return result;
}
CFTypeRef JSValueWrapper::JSObjectCopyCFValue(void *data)
{
JSLock lock(LockForReal);
CFTypeRef result = 0;
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
result = KJSValueToCFType(ptr->GetValue(), getThreadGlobalExecState());
}
return result;
}
void JSValueWrapper::JSObjectMark(void *data)
{
JSValueWrapper* ptr = (JSValueWrapper*)data;
if (ptr)
{
// This results in recursive marking but will be otherwise safe and correct.
// We claim the array vptr is 0 because we don't have access to it here, and
// claiming 0 is functionally harmless -- it merely means that we can't
// devirtualise marking of arrays when recursing from this point.
MarkStack markStack(0);
markStack.append(ptr->fValue.get());
markStack.drain();
}
}
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