static void ReportException(Environment* env, v8::Handle<v8::Value> er, v8::Handle<v8::Message> message) { v8::HandleScope scope(env->isolate()); AppendExceptionLine(env, er, message); v8::Local<v8::Value> trace_value; if (er->IsUndefined() || er->IsNull()) trace_value = Undefined(env->isolate()); else trace_value = er->ToObject()->Get(env->stack_string()); v8::String::Utf8Value trace(trace_value); // range errors have a trace member set to undefined if (trace.length() > 0 && !trace_value->IsUndefined()) { fprintf(stderr, "%s\n", *trace); } else { // this really only happens for RangeErrors, since they're the only // kind that won't have all this info in the trace, or when non-Error // objects are thrown manually. v8::Local<v8::Value> message; v8::Local<v8::Value> name; if (er->IsObject()) { v8::Local<v8::Object> err_obj = er.As<v8::Object>(); message = err_obj->Get(env->message_string()); name = err_obj->Get(FIXED_UTF8_STRING(env->isolate(), "name")); } if (message.IsEmpty() || message->IsUndefined() || name.IsEmpty() || name->IsUndefined()) { // Not an error object. Just print as-is. v8::String::Utf8Value message(er); fprintf(stderr, "%s\n", *message); } else { v8::String::Utf8Value name_string(name); v8::String::Utf8Value message_string(message); fprintf(stderr, "%s: %s\n", *name_string, *message_string); } } fflush(stderr); }
static PassRefPtr<JSONValue> v8ToJSONValue(v8::Handle<v8::Value> value, int maxDepth, v8::Isolate* isolate) { if (value.IsEmpty()) { ASSERT_NOT_REACHED(); return 0; } if (!maxDepth) return 0; maxDepth--; if (value->IsNull() || value->IsUndefined()) return JSONValue::null(); if (value->IsBoolean()) return JSONBasicValue::create(value->BooleanValue()); if (value->IsNumber()) return JSONBasicValue::create(value->NumberValue()); if (value->IsString()) return JSONString::create(toCoreString(value.As<v8::String>())); if (value->IsArray()) { v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value); RefPtr<JSONArray> inspectorArray = JSONArray::create(); uint32_t length = array->Length(); for (uint32_t i = 0; i < length; i++) { v8::Local<v8::Value> value = array->Get(v8::Int32::New(isolate, i)); RefPtr<JSONValue> element = v8ToJSONValue(value, maxDepth, isolate); if (!element) return 0; inspectorArray->pushValue(element); } return inspectorArray; } if (value->IsObject()) { RefPtr<JSONObject> jsonObject = JSONObject::create(); v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value); v8::Local<v8::Array> propertyNames = object->GetPropertyNames(); uint32_t length = propertyNames->Length(); for (uint32_t i = 0; i < length; i++) { v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(isolate, i)); // FIXME(yurys): v8::Object should support GetOwnPropertyNames if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name))) continue; RefPtr<JSONValue> propertyValue = v8ToJSONValue(object->Get(name), maxDepth, isolate); if (!propertyValue) return 0; V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<WithNullCheck>, nameString, name, 0); jsonObject->setValue(nameString, propertyValue); } return jsonObject; } ASSERT_NOT_REACHED(); return 0; }
std::string JsProxyBase::toString(v8::Handle<v8::Value> value, const char* defaultStr) { if (value->IsUndefined()) { std::string def(defaultStr ? defaultStr : ""); return def; } v8::String::Utf8Value str(value->ToString()); std::string ret(*str); return ret; }
static PassRefPtr<InspectorValue> v8ToInspectorValue(v8::Handle<v8::Value> value, int maxDepth) { if (value.IsEmpty()) { ASSERT_NOT_REACHED(); return 0; } if (!maxDepth) return 0; maxDepth--; if (value->IsNull() || value->IsUndefined()) return InspectorValue::null(); if (value->IsBoolean()) return InspectorBasicValue::create(value->BooleanValue()); if (value->IsNumber()) return InspectorBasicValue::create(value->NumberValue()); if (value->IsString()) return InspectorString::create(toWebCoreString(value)); if (value->IsArray()) { v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value); RefPtr<InspectorArray> inspectorArray = InspectorArray::create(); uint32_t length = array->Length(); for (uint32_t i = 0; i < length; i++) { v8::Local<v8::Value> value = array->Get(v8::Int32::New(i)); RefPtr<InspectorValue> element = v8ToInspectorValue(value, maxDepth); if (!element) return 0; inspectorArray->pushValue(element); } return inspectorArray; } if (value->IsObject()) { RefPtr<InspectorObject> inspectorObject = InspectorObject::create(); v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value); v8::Local<v8::Array> propertyNames = object->GetPropertyNames(); uint32_t length = propertyNames->Length(); for (uint32_t i = 0; i < length; i++) { v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(i)); // FIXME(yurys): v8::Object should support GetOwnPropertyNames if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name))) continue; RefPtr<InspectorValue> propertyValue = v8ToInspectorValue(object->Get(name), maxDepth); if (!propertyValue) return 0; inspectorObject->setValue(toWebCoreStringWithNullCheck(name), propertyValue); } return inspectorObject; } ASSERT_NOT_REACHED(); return 0; }
jobject wrapJSObject(JNIEnv *pEnv, v8::Handle<v8::Value> value) { v8::HandleScope handle_scope; if (value.IsEmpty() || value->IsNull() || value->IsUndefined()) return NULL; if (value->IsTrue()) return NewBoolean(pEnv, JNI_TRUE); if (value->IsFalse()) return NewBoolean(pEnv, JNI_FALSE); if (value->IsInt32()) return NewInt(pEnv, value->Int32Value()); if (value->IsUint32()) return NewLong(pEnv, value->IntegerValue()); if (value->IsString()) return NewString(pEnv, v8::Handle<v8::String>::Cast(value)); if (value->IsDate()) return NewDate(pEnv, v8::Handle<v8::Date>::Cast(value)); if (value->IsNumber()) return NewDouble(pEnv, value->NumberValue()); // return wrap(value->ToObject()); return NULL; }
Object^ V8Interop::FromV8(v8::Handle<v8::Value> value) { if (value->IsString()) { return FromV8String(value); } else if (value->IsBoolean()) { return FromV8Boolean(value); } else if (value->IsInt32()) { return FromV8Int32(value); } else if (value->IsArray()) { return FromV8Array(value); } else if (value->IsDate()) { return FromV8Date(value); } else if (value->IsNumber()) { return FromV8Double(value); } else if (value->IsFunction()) { return FromV8Function(value); } else if (value->IsExternal()) { return FromV8External(value); } else if (value->IsObject()) { return FromV8Object(value); } else if (value->IsUndefined() || value->IsNull()) { return nullptr; } return nullptr; }
bool decodeJSInvokableObject(v8::Handle<v8::Value> senderVal, EmersonScript*& emerScript, JSInvokableObjectInt*& simObj) { if ((!senderVal->IsObject()) || (senderVal->IsUndefined())) { emerScript = NULL; simObj = NULL; return false; } v8::Handle<v8::Object>sender = v8::Handle<v8::Object>::Cast(senderVal); if (sender->InternalFieldCount() != JSINVOKABLE_OBJECT_TEMPLATE_FIELD_COUNT) { return false; } v8::Local<v8::External> wrapJSObj; wrapJSObj = v8::Local<v8::External>::Cast(sender->GetInternalField(JSINVOKABLE_OBJECT_JSOBJSCRIPT_FIELD)); void* ptr = wrapJSObj->Value(); emerScript = static_cast<EmersonScript*>(ptr); if (emerScript == NULL) { simObj = NULL; return false; } v8::Local<v8::External> wrapSimObjRef; wrapSimObjRef = v8::Local<v8::External>::Cast(sender->GetInternalField(JSINVOKABLE_OBJECT_SIMULATION_FIELD)); void* ptr2 = wrapSimObjRef->Value(); simObj = static_cast<JSInvokableObject::JSInvokableObjectInt*>(ptr2); if(!simObj) { emerScript = NULL; return false; } return true; }
bool CJavaFunction::CanConvert(jclass clazz, v8::Handle<v8::Value> value) { jni::V8Env env(m_pEnv); if (value->IsTrue() || value->IsFalse() || value->IsBoolean()) { return env.IsAssignableFrom(env.buildins.java.lang.Boolean, clazz); } else if (value->IsInt32() || value->IsUint32()) { return env.IsAssignableFrom(env.buildins.java.lang.Long, clazz) || env.IsAssignableFrom(env.buildins.java.lang.Integer, clazz) || env.IsAssignableFrom(env.buildins.java.lang.Short, clazz) || env.IsAssignableFrom(env.buildins.java.lang.Byte, clazz); } else if (value->IsNumber()) { return env.IsAssignableFrom(env.buildins.java.lang.Double, clazz) || env.IsAssignableFrom(env.buildins.java.lang.Float, clazz); } else if (value->IsString()) { return env.IsAssignableFrom(env.buildins.java.lang.String, clazz); } else if (value->IsDate()) { return env.IsAssignableFrom(env.buildins.java.util.Date, clazz); } else if (value->IsArray()) { return env.IsAssignableFrom(env.buildins.lu.flier.script.V8Array, clazz); } else if (value.IsEmpty() || value->IsNull() || value->IsUndefined() || value->IsObject()) { return true; } return false; }
inline Value InterpreterData::v8ValueToValue(const v8::Handle<v8::Value>& value) { if (value.IsEmpty() || value->IsNull() || value->IsUndefined()) return Value(); else if (value->IsTrue()) return Value(true); else if (value->IsFalse()) return Value(false); else if (value->IsInt32()) return Value(value->ToInt32()->Value()); else if (value->IsNumber()) return Value(value->ToNumber()->Value()); else if (value->IsString()) { const v8::String::Utf8Value str(value); return Value(ToCString(str)); } else if (value->IsObject()) { const v8::String::Utf8Value str(toJSON(value)); return Value::fromJSON(ToCString(str)); } else { error() << "Unknown v8 value in Interpreter::v8ValueToValue"; } return Value(); }
static int FillShapeValueJson (v8::Isolate* isolate, VocShaper* shaper, TRI_shape_value_t* dst, v8::Handle<v8::Value> const json, size_t level, set<int>& seenHashes, vector<v8::Handle<v8::Object>>& seenObjects, bool create) { v8::HandleScope scope(isolate); if (json->IsRegExp() || json->IsFunction() || json->IsExternal()) { LOG_TRACE("shaper failed because regexp/function/external/date object cannot be converted"); return TRI_ERROR_BAD_PARAMETER; } if (json->IsNull() || json->IsUndefined()) { return FillShapeValueNull(shaper, dst); } if (json->IsBoolean()) { return FillShapeValueBoolean(shaper, dst, json->ToBoolean()); } if (json->IsBooleanObject()) { return FillShapeValueBoolean(shaper, dst, v8::Handle<v8::BooleanObject>::Cast(json)); } if (json->IsNumber()) { return FillShapeValueNumber(shaper, dst, json->ToNumber()); } if (json->IsNumberObject()) { return FillShapeValueNumber(shaper, dst, v8::Handle<v8::NumberObject>::Cast(json)); } if (json->IsString()) { return FillShapeValueString(shaper, dst, json->ToString()); } if (json->IsStringObject()) { return FillShapeValueString(shaper, dst, v8::Handle<v8::StringObject>::Cast(json)->ValueOf()); } else if (json->IsArray()) { return FillShapeValueList(isolate, shaper, dst, v8::Handle<v8::Array>::Cast(json), level, seenHashes, seenObjects, create); } if (json->IsObject()) { v8::Handle<v8::Object> o = json->ToObject(); v8::Handle<v8::String> toJsonString = TRI_V8_PAIR_STRING("toJSON", 6); if (o->Has(toJsonString)) { v8::Handle<v8::Value> func = o->Get(toJsonString); if (func->IsFunction()) { v8::Handle<v8::Function> toJson = v8::Handle<v8::Function>::Cast(func); v8::Handle<v8::Value> args; v8::Handle<v8::Value> result = toJson->Call(o, 0, &args); if (! result.IsEmpty()) { return FillShapeValueString(shaper, dst, result->ToString()); } } } // fall-through intentional // check for cycles int hash = o->GetIdentityHash(); if (seenHashes.find(hash) != seenHashes.end()) { for (auto it = seenObjects.begin(); it != seenObjects.end(); ++it) { if (json->StrictEquals(*it)) { return TRI_ERROR_ARANGO_SHAPER_FAILED; } } } else { seenHashes.insert(hash); } seenObjects.push_back(o); int res = FillShapeValueArray(isolate, shaper, dst, json->ToObject(), level, seenHashes, seenObjects, create); seenObjects.pop_back(); // cannot remove hash value from seenHashes because multiple objects might have the same // hash values (collisions) return res; } LOG_TRACE("shaper failed to convert object"); return TRI_ERROR_BAD_PARAMETER; }
bool isUndefinedOrNull(v8::Handle<v8::Value> value) { return value->IsNull() || value->IsUndefined(); }
/** * Cast an ecmascript value to a PHP runtime value * * @note The value cannot be const, as retrieving properties * from arrays and objects cannot be done on const values * * @param input the value to cast * @return Php::Value */ Php::Value value(v8::Handle<v8::Value> input) { // if we received an invalid input we simply return an empty PHP value if (input.IsEmpty()) return nullptr; // as is typical in javascript, a value can be of many types // check the type of value that we have received so we can cast if (input->IsBoolean()) return input->BooleanValue(); if (input->IsBooleanObject()) return input->BooleanValue(); if (input->IsInt32()) return input->Int32Value(); if (input->IsNumber()) return input->NumberValue(); if (input->IsNumberObject()) return input->NumberValue(); if (input->IsNull()) return nullptr; if (input->IsUndefined()) return nullptr; // special treatment for string-like types // TODO: javascript dates might possibly be cast to a DateTime object if (input->IsString() || input->IsStringObject() || input->IsRegExp()) { // create the utf8 value (the only way to retrieve the content) v8::String::Utf8Value utf8(input->ToString()); // and create the value to return return {*utf8, utf8.length()}; } // it could be callable too if (input->IsFunction()) { // create the function as a pointer that can be captured auto function = std::make_shared<Stack<v8::Function>>(input.As<v8::Function>()); // the result to return Php::Function result([function](Php::Parameters ¶ms) { // create a "scope", so variables get destructed, retrieve the context and "enter" it v8::HandleScope scope(Isolate::get()); v8::Local<v8::Context> context((*function)->CreationContext()); v8::Context::Scope contextScope(context); // catch any errors that occur while either compiling or running the script v8::TryCatch catcher; // create a new array with parameters std::vector<v8::Local<v8::Value>> array; array.reserve(params.size()); // iterate over all the given parameters and add them to the arrau for (auto ¶m: params) array.push_back(value(param)); // now we can actually call the function v8::Local<v8::Value> result((*function)->Call(context->Global(), array.size(), array.data())); // did we catch an exception? if (catcher.HasCaught()) { // retrieve the message describing the problem v8::Local<v8::Message> message(catcher.Message()); v8::Local<v8::String> description(message->Get()); // convert the description to utf so we can dump it v8::String::Utf8Value string(description); // pass this exception on to PHP userspace throw Php::Exception(std::string(*string, string.length())); } // convert the result to a PHP value and return it return value(result); }); // now return the result return result; } // or perhaps an object if (input->IsObject()) { // retrieve the object and the first internal field auto object = input.As<v8::Object>(); // does the object have internal fields? if (object->InternalFieldCount()) { // retrieve the field auto field = object->GetInternalField(0); // does it have an internal field and is it external? we are converting back // an original PHP object, just retrieve the original thing that came from PHP if (!field.IsEmpty() && field->IsExternal()) { // the PHP value is stored in the first internal field, // retrieve it and create the handle around it Handle handle(field); // dereference and return it return *handle; } } // create a new js object and convert it to userspace return Php::Object("JS\\Object", new JSObject(object)); } // we sadly don't support this type of value return nullptr; }
v8::Local<v8::Value> QQmlJavaScriptExpression::evaluate(QQmlContextData *context, v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> args[], bool *isUndefined) { Q_ASSERT(context && context->engine); if (function.IsEmpty() || function->IsUndefined()) { if (isUndefined) *isUndefined = true; return v8::Local<v8::Value>(); } QQmlEnginePrivate *ep = QQmlEnginePrivate::get(context->engine); Q_ASSERT(notifyOnValueChanged() || activeGuards.isEmpty()); GuardCapture capture(context->engine, this); QQmlEnginePrivate::PropertyCapture *lastPropertyCapture = ep->propertyCapture; ep->propertyCapture = notifyOnValueChanged()?&capture:0; if (notifyOnValueChanged()) capture.guards.copyAndClearPrepend(activeGuards); QQmlContextData *lastSharedContext = 0; QObject *lastSharedScope = 0; bool sharedContext = useSharedContext(); // All code that follows must check with watcher before it accesses data members // incase we have been deleted. DeleteWatcher watcher(this); if (sharedContext) { lastSharedContext = ep->sharedContext; lastSharedScope = ep->sharedScope; ep->sharedContext = context; ep->sharedScope = scopeObject(); } v8::Local<v8::Value> result; { v8::TryCatch try_catch; v8::Handle<v8::Object> This = ep->v8engine()->global(); if (scopeObject() && requiresThisObject()) { v8::Handle<v8::Value> value = ep->v8engine()->newQObject(scopeObject()); if (value->IsObject()) This = v8::Handle<v8::Object>::Cast(value); } result = function->Call(This, argc, args); if (isUndefined) *isUndefined = try_catch.HasCaught() || result->IsUndefined(); if (watcher.wasDeleted()) { } else if (try_catch.HasCaught()) { v8::Context::Scope scope(ep->v8engine()->context()); v8::Local<v8::Message> message = try_catch.Message(); if (!message.IsEmpty()) { delayedError()->setMessage(message); } else { if (hasDelayedError()) delayedError()->clearError(); } } else { if (hasDelayedError()) delayedError()->clearError(); } } if (sharedContext) { ep->sharedContext = lastSharedContext; ep->sharedScope = lastSharedScope; } if (capture.errorString) { for (int ii = 0; ii < capture.errorString->count(); ++ii) qWarning("%s", qPrintable(capture.errorString->at(ii))); delete capture.errorString; capture.errorString = 0; } while (Guard *g = capture.guards.takeFirst()) g->Delete(); ep->propertyCapture = lastPropertyCapture; return result; }
void v8ToMongoElement( BSONObjBuilder & b , v8::Handle<v8::String> name , const string sname , v8::Handle<v8::Value> value ){ if ( value->IsString() ){ if ( sname == "$where" ) b.appendCode( sname.c_str() , toSTLString( value ).c_str() ); else b.append( sname.c_str() , toSTLString( value ).c_str() ); return; } if ( value->IsFunction() ){ b.appendCode( sname.c_str() , toSTLString( value ).c_str() ); return; } if ( value->IsNumber() ){ b.append( sname.c_str() , value->ToNumber()->Value() ); return; } if ( value->IsArray() ){ BSONObj sub = v8ToMongo( value->ToObject() ); b.appendArray( sname.c_str() , sub ); return; } if ( value->IsDate() ){ b.appendDate( sname.c_str() , (unsigned long long )(v8::Date::Cast( *value )->NumberValue()) ); return; } if ( value->IsObject() ){ string s = toSTLString( value ); if ( s.size() && s[0] == '/' ){ s = s.substr( 1 ); string r = s.substr( 0 , s.find( "/" ) ); string o = s.substr( s.find( "/" ) + 1 ); b.appendRegex( sname.c_str() , r.c_str() , o.c_str() ); } else if ( value->ToObject()->GetPrototype()->IsObject() && value->ToObject()->GetPrototype()->ToObject()->HasRealNamedProperty( String::New( "isObjectId" ) ) ){ OID oid; oid.init( toSTLString( value ) ); b.appendOID( sname.c_str() , &oid ); } else { BSONObj sub = v8ToMongo( value->ToObject() ); b.append( sname.c_str() , sub ); } return; } if ( value->IsBoolean() ){ b.appendBool( sname.c_str() , value->ToBoolean()->Value() ); return; } else if ( value->IsUndefined() ){ return; } else if ( value->IsNull() ){ b.appendNull( sname.c_str() ); return; } cout << "don't know how to covert to mongo field [" << name << "]\t" << value << endl; }
void v8ToMongoElement( BSONObjBuilder & b , v8::Handle<v8::String> name , const string sname , v8::Handle<v8::Value> value ){ if ( value->IsString() ){ b.append( sname.c_str() , toSTLString( value ).c_str() ); return; } if ( value->IsFunction() ){ b.appendCode( sname.c_str() , toSTLString( value ).c_str() ); return; } if ( value->IsNumber() ){ if ( value->IsInt32() ) b.append( sname.c_str(), int( value->ToInt32()->Value() ) ); else b.append( sname.c_str() , value->ToNumber()->Value() ); return; } if ( value->IsArray() ){ BSONObj sub = v8ToMongo( value->ToObject() ); b.appendArray( sname.c_str() , sub ); return; } if ( value->IsDate() ){ b.appendDate( sname.c_str() , Date_t(v8::Date::Cast( *value )->NumberValue()) ); return; } if ( value->IsExternal() ) return; if ( value->IsObject() ){ // The user could potentially modify the fields of these special objects, // wreaking havoc when we attempt to reinterpret them. Not doing any validation // for now... Local< v8::Object > obj = value->ToObject(); if ( obj->InternalFieldCount() && obj->GetInternalField( 0 )->IsNumber() ) { switch( obj->GetInternalField( 0 )->ToInt32()->Value() ) { // NOTE Uint32's Value() gave me a linking error, so going with this instead case Timestamp: b.appendTimestamp( sname.c_str(), Date_t( v8::Date::Cast( *obj->Get( v8::String::New( "time" ) ) )->NumberValue() ), obj->Get( v8::String::New( "i" ) )->ToInt32()->Value() ); return; case MinKey: b.appendMinKey( sname.c_str() ); return; case MaxKey: b.appendMaxKey( sname.c_str() ); return; default: assert( "invalid internal field" == 0 ); } } string s = toSTLString( value ); if ( s.size() && s[0] == '/' ){ s = s.substr( 1 ); string r = s.substr( 0 , s.rfind( "/" ) ); string o = s.substr( s.rfind( "/" ) + 1 ); b.appendRegex( sname.c_str() , r.c_str() , o.c_str() ); } else if ( value->ToObject()->GetPrototype()->IsObject() && value->ToObject()->GetPrototype()->ToObject()->HasRealNamedProperty( v8::String::New( "isObjectId" ) ) ){ OID oid; oid.init( toSTLString( value ) ); b.appendOID( sname.c_str() , &oid ); } else if ( !value->ToObject()->GetHiddenValue( v8::String::New( "__NumberLong" ) ).IsEmpty() ) { // TODO might be nice to potentially speed this up with an indexed internal // field, but I don't yet know how to use an ObjectTemplate with a // constructor. unsigned long long val = ( (unsigned long long)( value->ToObject()->Get( v8::String::New( "top" ) )->ToInt32()->Value() ) << 32 ) + (unsigned)( value->ToObject()->Get( v8::String::New( "bottom" ) )->ToInt32()->Value() ); b.append( sname.c_str(), (long long)val ); } else if ( !value->ToObject()->GetHiddenValue( v8::String::New( "__DBPointer" ) ).IsEmpty() ) { OID oid; oid.init( toSTLString( value->ToObject()->Get( v8::String::New( "id" ) ) ) ); string ns = toSTLString( value->ToObject()->Get( v8::String::New( "ns" ) ) ); b.appendDBRef( sname.c_str(), ns.c_str(), oid ); } else if ( !value->ToObject()->GetHiddenValue( v8::String::New( "__BinData" ) ).IsEmpty() ) { int len = obj->Get( v8::String::New( "len" ) )->ToInt32()->Value(); v8::String::Utf8Value data( obj->Get( v8::String::New( "data" ) ) ); const char *dataArray = *data; assert( data.length() == len ); b.appendBinData( sname.c_str(), len, mongo::BinDataType( obj->Get( v8::String::New( "type" ) )->ToInt32()->Value() ), dataArray ); } else { BSONObj sub = v8ToMongo( value->ToObject() ); b.append( sname.c_str() , sub ); } return; } if ( value->IsBoolean() ){ b.appendBool( sname.c_str() , value->ToBoolean()->Value() ); return; } else if ( value->IsUndefined() ){ b.appendUndefined( sname.c_str() ); return; } else if ( value->IsNull() ){ b.appendNull( sname.c_str() ); return; } cout << "don't know how to convert to mongo field [" << name << "]\t" << value << endl; }
String toWebCoreStringWithNullOrUndefinedCheck(v8::Handle<v8::Value> value) { if (value->IsNull() || value->IsUndefined()) return String(); return toWebCoreString(value); }
void QV8Worker::serialize(QByteArray &data, v8::Handle<v8::Value> v, QV8Engine *engine) { if (v.IsEmpty()) { } else if (v->IsUndefined()) { push(data, valueheader(WorkerUndefined)); } else if (v->IsNull()) { push(data, valueheader(WorkerNull)); } else if (v->IsTrue()) { push(data, valueheader(WorkerTrue)); } else if (v->IsFalse()) { push(data, valueheader(WorkerFalse)); } else if (v->IsString()) { v8::Handle<v8::String> string = v->ToString(); int length = string->Length() + 1; if (length > 0xFFFFFF) { push(data, valueheader(WorkerUndefined)); return; } int utf16size = ALIGN(length * sizeof(uint16_t)); reserve(data, utf16size + sizeof(quint32)); push(data, valueheader(WorkerString, length)); int offset = data.size(); data.resize(data.size() + utf16size); char *buffer = data.data() + offset; string->Write((uint16_t*)buffer); } else if (v->IsFunction()) { // XXX TODO: Implement passing function objects between the main and // worker scripts push(data, valueheader(WorkerUndefined)); } else if (v->IsArray()) { v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(v); uint32_t length = array->Length(); if (length > 0xFFFFFF) { push(data, valueheader(WorkerUndefined)); return; } reserve(data, sizeof(quint32) + length * sizeof(quint32)); push(data, valueheader(WorkerArray, length)); for (uint32_t ii = 0; ii < length; ++ii) serialize(data, array->Get(ii), engine); } else if (v->IsInt32()) { reserve(data, 2 * sizeof(quint32)); push(data, valueheader(WorkerInt32)); push(data, (quint32)v->Int32Value()); } else if (v->IsUint32()) { reserve(data, 2 * sizeof(quint32)); push(data, valueheader(WorkerUint32)); push(data, v->Uint32Value()); } else if (v->IsNumber()) { reserve(data, sizeof(quint32) + sizeof(double)); push(data, valueheader(WorkerNumber)); push(data, v->NumberValue()); } else if (v->IsDate()) { reserve(data, sizeof(quint32) + sizeof(double)); push(data, valueheader(WorkerDate)); push(data, v8::Handle<v8::Date>::Cast(v)->NumberValue()); } else if (v->IsRegExp()) { v8::Handle<v8::RegExp> regexp = v8::Handle<v8::RegExp>::Cast(v); quint32 flags = regexp->GetFlags(); v8::Local<v8::String> source = regexp->GetSource(); int length = source->Length() + 1; if (length > 0xFFFFFF) { push(data, valueheader(WorkerUndefined)); return; } int utf16size = ALIGN(length * sizeof(uint16_t)); reserve(data, sizeof(quint32) + utf16size); push(data, valueheader(WorkerRegexp, flags)); push(data, (quint32)length); int offset = data.size(); data.resize(data.size() + utf16size); char *buffer = data.data() + offset; source->Write((uint16_t*)buffer); } else if (v->IsObject() && !v->ToObject()->GetExternalResource()) { v8::Handle<v8::Object> object = v->ToObject(); v8::Local<v8::Array> properties = engine->getOwnPropertyNames(object); quint32 length = properties->Length(); if (length > 0xFFFFFF) { push(data, valueheader(WorkerUndefined)); return; } push(data, valueheader(WorkerObject, length)); v8::TryCatch tc; for (quint32 ii = 0; ii < length; ++ii) { v8::Local<v8::String> str = properties->Get(ii)->ToString(); serialize(data, str, engine); v8::Local<v8::Value> val = object->Get(str); if (tc.HasCaught()) { serialize(data, v8::Undefined(), engine); tc.Reset(); } else { serialize(data, val, engine); } } } else if (engine->isQObject(v)) { // XXX TODO: Generalize passing objects between the main thread and worker scripts so // that others can trivially plug in their elements. QDeclarativeListModel *lm = qobject_cast<QDeclarativeListModel *>(engine->toQObject(v)); if (lm && lm->agent()) { QDeclarativeListModelWorkerAgent *agent = lm->agent(); agent->addref(); push(data, valueheader(WorkerListModel)); push(data, (void *)agent); return; } // No other QObject's are allowed to be sent push(data, valueheader(WorkerUndefined)); } else { push(data, valueheader(WorkerUndefined)); } }
static int V8ToVPack(BuilderContext& context, v8::Handle<v8::Value> const parameter, std::string const& attributeName, bool inObject) { if (parameter->IsNull() || parameter->IsUndefined()) { AddValue(context, attributeName, inObject, VPackValue(VPackValueType::Null)); return TRI_ERROR_NO_ERROR; } if (parameter->IsBoolean()) { AddValue(context, attributeName, inObject, VPackValue(parameter->ToBoolean()->Value())); return TRI_ERROR_NO_ERROR; } if (parameter->IsNumber()) { if (parameter->IsInt32()) { AddValue(context, attributeName, inObject, VPackValue(parameter->ToInt32()->Value())); return TRI_ERROR_NO_ERROR; } if (parameter->IsUint32()) { AddValue(context, attributeName, inObject, VPackValue(parameter->ToUint32()->Value())); return TRI_ERROR_NO_ERROR; } AddValue(context, attributeName, inObject, VPackValue(parameter->ToNumber()->Value())); return TRI_ERROR_NO_ERROR; } if (parameter->IsString()) { v8::String::Utf8Value str(parameter->ToString()); if (*str == nullptr) { return TRI_ERROR_OUT_OF_MEMORY; } AddValuePair(context, attributeName, inObject, VPackValuePair(*str, str.length(), VPackValueType::String)); return TRI_ERROR_NO_ERROR; } if (parameter->IsArray()) { v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(parameter); AddValue(context, attributeName, inObject, VPackValue(VPackValueType::Array)); uint32_t const n = array->Length(); for (uint32_t i = 0; i < n; ++i) { v8::Handle<v8::Value> value = array->Get(i); if (value->IsUndefined()) { // ignore array values which are undefined continue; } if (++context.level > MaxLevels) { // too much recursion return TRI_ERROR_BAD_PARAMETER; } int res = V8ToVPack<performAllChecks>(context, value, NoAttribute, false); --context.level; if (res != TRI_ERROR_NO_ERROR) { return res; } } if (!context.keepTopLevelOpen || context.level > 0) { context.builder.close(); } return TRI_ERROR_NO_ERROR; } if (parameter->IsObject()) { if (performAllChecks) { if (parameter->IsBooleanObject()) { AddValue(context, attributeName, inObject, VPackValue(v8::Handle<v8::BooleanObject>::Cast(parameter) ->BooleanValue())); return TRI_ERROR_NO_ERROR; } if (parameter->IsNumberObject()) { AddValue(context, attributeName, inObject, VPackValue(v8::Handle<v8::NumberObject>::Cast(parameter) ->NumberValue())); return TRI_ERROR_NO_ERROR; } if (parameter->IsStringObject()) { v8::String::Utf8Value str(parameter->ToString()); if (*str == nullptr) { return TRI_ERROR_OUT_OF_MEMORY; } AddValuePair(context, attributeName, inObject, VPackValuePair(*str, str.length(), VPackValueType::String)); return TRI_ERROR_NO_ERROR; } if (parameter->IsRegExp() || parameter->IsFunction() || parameter->IsExternal()) { return TRI_ERROR_BAD_PARAMETER; } } v8::Handle<v8::Object> o = parameter->ToObject(); if (performAllChecks) { // first check if the object has a "toJSON" function if (o->Has(context.toJsonKey)) { // call it if yes v8::Handle<v8::Value> func = o->Get(context.toJsonKey); if (func->IsFunction()) { v8::Handle<v8::Function> toJson = v8::Handle<v8::Function>::Cast(func); v8::Handle<v8::Value> args; v8::Handle<v8::Value> converted = toJson->Call(o, 0, &args); if (!converted.IsEmpty()) { // return whatever toJSON returned v8::String::Utf8Value str(converted->ToString()); if (*str == nullptr) { return TRI_ERROR_OUT_OF_MEMORY; } // this passes ownership for the utf8 string to the JSON object AddValuePair(context, attributeName, inObject, VPackValuePair(*str, str.length(), VPackValueType::String)); return TRI_ERROR_NO_ERROR; } } // fall-through intentional } } v8::Handle<v8::Array> names = o->GetOwnPropertyNames(); uint32_t const n = names->Length(); AddValue(context, attributeName, inObject, VPackValue(VPackValueType::Object)); for (uint32_t i = 0; i < n; ++i) { // process attribute name v8::Handle<v8::Value> key = names->Get(i); v8::String::Utf8Value str(key); if (*str == nullptr) { return TRI_ERROR_OUT_OF_MEMORY; } v8::Handle<v8::Value> value = o->Get(key); if (value->IsUndefined()) { // ignore object values which are undefined continue; } if (++context.level > MaxLevels) { // too much recursion return TRI_ERROR_BAD_PARAMETER; } int res = V8ToVPack<performAllChecks>(context, value, *str, true); --context.level; if (res != TRI_ERROR_NO_ERROR) { return res; } } if (!context.keepTopLevelOpen || context.level > 0) { context.builder.close(); } return TRI_ERROR_NO_ERROR; } return TRI_ERROR_BAD_PARAMETER; }
/** Returns true only if h is not empty and h->IsUndefined(). Note that an empty handle evaluates to false in this context because Undefined is a legal value whereas an empty handle is not. (Though Undefined might not be _semantically_ legal in any given use case, it is legal to dereference such a handle.) */ inline bool operator()( v8::Handle<v8::Value> const & h ) const { return h.IsEmpty() ? false : h->IsUndefined(); }