JSPropertyNameIterator* JSPropertyNameIterator::create(ExecState* exec, JSValue* v)
{
    if (v->isUndefinedOrNull())
        return new (exec) JSPropertyNameIterator(0, 0, 0);

    JSObject* o = v->toObject(exec);
    PropertyNameArray propertyNames(exec);
    o->getPropertyNames(exec, propertyNames);
    size_t numProperties = propertyNames.size();
    return new (exec) JSPropertyNameIterator(o, propertyNames.releaseIdentifiers(), numProperties);
}
Beispiel #2
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JSPropertyNameArrayRef JSObjectCopyPropertyNames(JSContextRef ctx, JSObjectRef object)
{
    JSLock lock;
    JSObject* jsObject = toJS(object);
    ExecState* exec = toJS(ctx);
    
    JSPropertyNameArrayRef propertyNames = new OpaqueJSPropertyNameArray(&exec->globalData());
    jsObject->getPropertyNames(exec, propertyNames->array);
    
    return JSPropertyNameArrayRetain(propertyNames);
}
Beispiel #3
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void ScopeChainNode::print() const
{
    ScopeChainIterator scopeEnd = end();
    for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) {
        JSObject* o = *scopeIter;
        PropertyNameArray propertyNames(globalObject->globalExec());
        o->getPropertyNames(globalObject->globalExec(), propertyNames);
        PropertyNameArray::const_iterator propEnd = propertyNames.end();

        fprintf(stderr, "----- [scope %p] -----\n", o);
        for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) {
            Identifier name = *propIter;
            fprintf(stderr, "%s, ", name.ustring().utf8().data());
        }
        fprintf(stderr, "\n");
    }
}
JSPropertyNameArrayRef JSObjectCopyPropertyNames(JSContextRef ctx, JSObjectRef object)
{
    JSObject* jsObject = toJS(object);
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSGlobalData* globalData = &exec->globalData();

    JSPropertyNameArrayRef propertyNames = new OpaqueJSPropertyNameArray(globalData);
    PropertyNameArray array(globalData);
    jsObject->getPropertyNames(exec, array);

    size_t size = array.size();
    propertyNames->array.reserveInitialCapacity(size);
    for (size_t i = 0; i < size; ++i)
        propertyNames->array.append(JSRetainPtr<JSStringRef>(Adopt, OpaqueJSString::create(array[i].ustring()).releaseRef()));
    
    return JSPropertyNameArrayRetain(propertyNames);
}
Beispiel #5
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void JSObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    getOwnPropertyNames(exec, propertyNames, mode);

    if (prototype().isNull())
        return;

    JSObject* prototype = asObject(this->prototype());
    while(1) {
        if (prototype->structure()->typeInfo().overridesGetPropertyNames()) {
            prototype->getPropertyNames(exec, propertyNames, mode);
            break;
        }
        prototype->getOwnPropertyNames(exec, propertyNames, mode);
        JSValue nextProto = prototype->prototype();
        if (nextProto.isNull())
            break;
        prototype = asObject(nextProto);
    }
}
Beispiel #6
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void Structure::getEnumerablePropertyNames(ExecState* exec, PropertyNameArray& propertyNames, JSObject* baseObject)
{
    bool shouldCache = propertyNames.shouldCache() && !(propertyNames.size() || isDictionary());

    if (shouldCache && m_cachedPropertyNameArrayData) {
        if (m_cachedPropertyNameArrayData->cachedPrototypeChain() == prototypeChain(exec)) {
            propertyNames.setData(m_cachedPropertyNameArrayData);
            return;
        }
        clearEnumerationCache();
    }

    baseObject->getOwnPropertyNames(exec, propertyNames);

    if (m_prototype.isObject()) {
        propertyNames.setShouldCache(false); // No need for our prototypes to waste memory on caching, since they're not being enumerated directly.
        JSObject* prototype = asObject(m_prototype);
        while(1) {
            if (!prototype->structure()->typeInfo().hasDefaultGetPropertyNames()) {
                prototype->getPropertyNames(exec, propertyNames);
                break;
            }
            prototype->getOwnPropertyNames(exec, propertyNames);
            JSValue nextProto = prototype->prototype();
            if (!nextProto.isObject())
                break;
            prototype = asObject(nextProto);
        }
    }

    if (shouldCache) {
        StructureChain* protoChain = prototypeChain(exec);
        m_cachedPropertyNameArrayData = propertyNames.data();
        if (!protoChain->isCacheable())
            return;
        m_cachedPropertyNameArrayData->setCachedPrototypeChain(protoChain);
        m_cachedPropertyNameArrayData->setCachedStructure(this);
    }
}
Beispiel #7
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//--------------------------------------------------------------------------
// KJSValueToCFTypeInternal
//--------------------------------------------------------------------------
// Caller is responsible for releasing the returned CFTypeRef
CFTypeRef KJSValueToCFTypeInternal(JSValue inValue, ExecState *exec, ObjectImpList* inImps)
{
    if (!inValue)
        return 0;

    CFTypeRef result = 0;

    JSGlueAPIEntry entry;

        if (inValue.isBoolean())
            {
                result = inValue.toBoolean(exec) ? kCFBooleanTrue : kCFBooleanFalse;
                RetainCFType(result);
                return result;
            }

        if (inValue.isString())
            {
                UString uString = inValue.toString(exec);
                result = UStringToCFString(uString);
                return result;
            }

        if (inValue.isNumber())
            {
                double number1 = inValue.toNumber(exec);
                double number2 = (double)inValue.toInteger(exec);
                if (number1 ==  number2)
                {
                    int intValue = (int)number2;
                    result = CFNumberCreate(0, kCFNumberIntType, &intValue);
                }
                else
                {
                    result = CFNumberCreate(0, kCFNumberDoubleType, &number1);
                }
                return result;
            }

        if (inValue.isObject())
            {
                if (inValue.inherits(&UserObjectImp::info)) {
                    UserObjectImp* userObjectImp = static_cast<UserObjectImp *>(asObject(inValue));
                    JSUserObject* ptr = userObjectImp->GetJSUserObject();
                    if (ptr)
                    {
                        result = ptr->CopyCFValue();
                    }
                }
                else
                {
                    JSObject *object = inValue.toObject(exec);
                    UInt8 isArray = false;

                    // if two objects reference each
                    JSObject* imp = object;
                    ObjectImpList* temp = inImps;
                    while (temp) {
                        if (imp == temp->imp) {
                            return CFRetain(GetCFNull());
                        }
                        temp = temp->next;
                    }

                    ObjectImpList imps;
                    imps.next = inImps;
                    imps.imp = imp;


//[...] HACK since we do not have access to the class info we use class name instead
#if 0
                    if (object->inherits(&ArrayInstanceImp::info))
#else
                    if (object->className() == "Array")
#endif
                    {
                        isArray = true;
                        JSGlueGlobalObject* globalObject = static_cast<JSGlueGlobalObject*>(exec->dynamicGlobalObject());
                        if (globalObject && (globalObject->Flags() & kJSFlagConvertAssociativeArray)) {
                            PropertyNameArray propNames(exec);
                            object->getPropertyNames(exec, propNames);
                            PropertyNameArray::const_iterator iter = propNames.begin();
                            PropertyNameArray::const_iterator end = propNames.end();
                            while(iter != end && isArray)
                            {
                                Identifier propName = *iter;
                                UString ustr = propName.ustring();
                                const UniChar* uniChars = (const UniChar*)ustr.characters();
                                int size = ustr.length();
                                while (size--) {
                                    if (uniChars[size] < '0' || uniChars[size] > '9') {
                                        isArray = false;
                                        break;
                                    }
                                }
                                iter++;
                            }
                        }
                    }

                    if (isArray)
                    {
                        // This is an KJS array
                        unsigned int length = object->get(exec, Identifier(exec, "length")).toUInt32(exec);
                        result = CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks);
                        if (result)
                        {
                            for (unsigned i = 0; i < length; i++)
                            {
                                CFTypeRef cfValue = KJSValueToCFTypeInternal(object->get(exec, i), exec, &imps);
                                CFArrayAppendValue((CFMutableArrayRef)result, cfValue);
                                ReleaseCFType(cfValue);
                            }
                        }
                    }
                    else
                    {
                        // Not an array, just treat it like a dictionary which contains (property name, property value) pairs
                        PropertyNameArray propNames(exec);
                        object->getPropertyNames(exec, propNames);
                        {
                            result = CFDictionaryCreateMutable(0,
                                                               0,
                                                               &kCFTypeDictionaryKeyCallBacks,
                                                               &kCFTypeDictionaryValueCallBacks);
                            if (result)
                            {
                                PropertyNameArray::const_iterator iter = propNames.begin();
                                PropertyNameArray::const_iterator end = propNames.end();
                                while(iter != end)
                                {
                                    Identifier propName = *iter;
                                    if (object->hasProperty(exec, propName))
                                    {
                                        CFStringRef cfKey = IdentifierToCFString(propName);
                                        CFTypeRef cfValue = KJSValueToCFTypeInternal(object->get(exec, propName), exec, &imps);
                                        if (cfKey && cfValue)
                                        {
                                            CFDictionaryAddValue((CFMutableDictionaryRef)result, cfKey, cfValue);
                                        }
                                        ReleaseCFType(cfKey);
                                        ReleaseCFType(cfValue);
                                    }
                                    iter++;
                                }
                            }
                        }
                    }
                }
                return result;
            }

    if (inValue.isUndefinedOrNull())
        {
            result = RetainCFType(GetCFNull());
            return result;
        }

    ASSERT_NOT_REACHED();
    return 0;
}