Property.fromToken constructor

Property.fromToken(Scope scope, int token)

Creates a property object from a provided token.

Implementation

factory Property.fromToken(Scope scope, int token) => using((Arena arena) {
      final ptkTypeDef = arena<mdTypeDef>();
      final szProperty = arena<WCHAR>(MAX_STRING_SIZE).cast<Utf16>();
      final pchProperty = arena<ULONG>();
      final pdwPropFlags = arena<DWORD>();
      final ppvSigBlob = arena<PCCOR_SIGNATURE>();
      final pcbSigBlob = arena<ULONG>();
      final pdwCPlusTypeFlag = arena<DWORD>();
      final ppDefaultValue = arena<UVCP_CONSTANT>();
      final pcchDefaultValue = arena<ULONG>();
      final ptkSetter = arena<mdMethodDef>();
      final ptkGetter = arena<mdMethodDef>();
      final rgOtherMethod = arena<mdMethodDef>(256);
      final pcOtherMethod = arena<ULONG>();

      final reader = scope.reader;
      final hr = reader.GetPropertyProps(
          token,
          ptkTypeDef,
          szProperty,
          MAX_STRING_SIZE,
          pchProperty,
          pdwPropFlags,
          ppvSigBlob,
          pcbSigBlob,
          pdwCPlusTypeFlag,
          ppDefaultValue,
          pcchDefaultValue,
          ptkSetter,
          ptkGetter,
          rgOtherMethod,
          256,
          pcOtherMethod);

      if (SUCCEEDED(hr)) {
        final propName = szProperty.toDartString();

        // PropertySig is defined in §II.23.2.5.
        final signature = ppvSigBlob.value.asTypedList(pcbSigBlob.value);
        final typeTuple =
            TypeTuple.fromSignature(signature.sublist(2), scope);
        final defaultValue =
            ppDefaultValue.value.asTypedList(pcchDefaultValue.value);
        final otherMethodTokens =
            rgOtherMethod.asTypedList(pcOtherMethod.value);

        return Property(
            scope,
            token,
            ptkTypeDef.value,
            propName,
            pdwPropFlags.value,
            signature,
            typeTuple.typeIdentifier,
            parseCorElementType(pdwCPlusTypeFlag.value),
            defaultValue,
            ptkSetter.value,
            ptkGetter.value,
            otherMethodTokens);
      } else {
        throw WindowsException(hr);
      }
    });