Exemplo n.º 1
0
static PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value, Vector<v8::Handle<v8::Array> >& stack, v8::Isolate* isolate)
{
    if (value->IsNumber() && !std::isnan(value->NumberValue()))
        return IDBKey::createNumber(value->NumberValue());
    if (value->IsString())
        return IDBKey::createString(toCoreString(value.As<v8::String>()));
    if (value->IsDate() && !std::isnan(value->NumberValue()))
        return IDBKey::createDate(value->NumberValue());
    if (value->IsArray()) {
        v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);

        if (stack.contains(array))
            return 0;
        if (stack.size() >= maximumDepth)
            return 0;
        stack.append(array);

        IDBKey::KeyArray subkeys;
        uint32_t length = array->Length();
        for (uint32_t i = 0; i < length; ++i) {
            v8::Local<v8::Value> item = array->Get(v8::Int32::New(i, isolate));
            RefPtr<IDBKey> subkey = createIDBKeyFromValue(item, stack, isolate);
            if (!subkey)
                subkeys.append(IDBKey::createInvalid());
            else
                subkeys.append(subkey);
        }

        stack.removeLast();
        return IDBKey::createArray(subkeys);
    }
    return 0;
}
PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value)
{
    if (value->IsNull())
        return IDBKey::createNull();
    if (value->IsNumber())
        return IDBKey::createNumber(value->NumberValue());
    if (value->IsString())
        return IDBKey::createString(v8ValueToWebCoreString(value));
    if (value->IsDate())
        return IDBKey::createDate(value->NumberValue());

    return 0; // Signals type error.
}
Exemplo n.º 3
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;
}
Exemplo n.º 4
0
    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;
    }
Exemplo n.º 5
0
uint64 TNodeJsUtil::GetTmMSecs(v8::Handle<v8::Value>& Value) {
	v8::Isolate* Isolate = v8::Isolate::GetCurrent();
	v8::HandleScope HandleScope(Isolate);

	if (Value->IsDate()) {
		v8::Local<v8::Date> Date = v8::Handle<v8::Date>::Cast(Value);
		return GetTmMSecs(Date);
	}
	else if (Value->IsString()) {
		v8::String::Utf8Value Utf8(Value);
		TTm Tm = TTm::GetTmFromWebLogDateTimeStr(TStr(*Utf8), '-', ':', '.', 'T');
		return TTm::GetMSecsFromTm(Tm);
	}
	else {
		EAssertR(Value->IsNumber(), "Date is not in a representation of a string, date or number!");
		return GetCppTimestamp(int64(Value->NumberValue()));
	}
}
Exemplo n.º 6
0
Arquivo: Wrapper.cpp Projeto: pix/jav8
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;
}
Exemplo n.º 7
0
double toWebCoreDate(v8::Handle<v8::Value> object)
{
    return (object->IsDate() || object->IsNumber()) ? object->NumberValue() : std::numeric_limits<double>::quiet_NaN();
}
Exemplo n.º 8
0
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;
}
Exemplo n.º 9
0
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));
    }
}
Exemplo n.º 10
0
    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;
    }