void CChoiceTypeInfoFunctions::SkipChoiceDefault(CObjectIStream& in,
TTypeInfo objectType)
{
const CChoiceTypeInfo* choiceType =
CTypeConverter<CChoiceTypeInfo>::SafeCast(objectType);
BEGIN_OBJECT_FRAME_OF2(in, eFrameChoice, choiceType);
in.BeginChoice(choiceType);
BEGIN_OBJECT_FRAME_OF(in, eFrameChoiceVariant);
TMemberIndex index = in.BeginChoiceVariant(choiceType);
if ( index == kInvalidMember )
in.ThrowError(in.fFormatError,"choice variant id expected");
const CVariantInfo* variantInfo = choiceType->GetVariantInfo(index);
if (variantInfo->GetId().IsAttlist()) {
const CMemberInfo* memberInfo =
dynamic_cast<const CMemberInfo*>(
choiceType->GetVariants().GetItemInfo(index));
memberInfo->SkipMember(in);
in.EndChoiceVariant();
index = in.BeginChoiceVariant(choiceType);
if ( index == kInvalidMember )
in.ThrowError(in.fFormatError,"choice variant id expected");
variantInfo = choiceType->GetVariantInfo(index);
}
in.SetTopMemberId(variantInfo->GetId());
variantInfo->SkipVariant(in);
in.EndChoiceVariant();
END_OBJECT_FRAME_OF(in);
in.EndChoice();
END_OBJECT_FRAME_OF(in);
}
void CChoiceTypeInfoFunctions::ReadChoiceDefault(CObjectIStream& in,
TTypeInfo objectType,
TObjectPtr objectPtr)
{
const CChoiceTypeInfo* choiceType =
CTypeConverter<CChoiceTypeInfo>::SafeCast(objectType);
BEGIN_OBJECT_FRAME_OF3(in, eFrameChoice, choiceType, objectPtr);
in.BeginChoice(choiceType);
BEGIN_OBJECT_FRAME_OF(in, eFrameChoiceVariant);
TMemberIndex index = in.BeginChoiceVariant(choiceType);
if ( index == kInvalidMember ) {
if (in.CanSkipUnknownVariants()) {
in.SkipAnyContentVariant();
} else {
in.ThrowError(in.fFormatError, "choice variant id expected");
}
} else {
for (;;) {
const CVariantInfo* variantInfo = choiceType->GetVariantInfo(index);
if (variantInfo->GetId().IsAttlist()) {
const CMemberInfo* memberInfo =
static_cast<const CMemberInfo*>(
choiceType->GetVariants().GetItemInfo(index));
memberInfo->ReadMember(in,objectPtr);
in.EndChoiceVariant();
index = in.BeginChoiceVariant(choiceType);
if ( index == kInvalidMember ) {
if (in.CanSkipUnknownVariants()) {
in.SkipAnyContentVariant();
break;
} else {
in.ThrowError(in.fFormatError, "choice variant id expected");
}
}
variantInfo = choiceType->GetVariantInfo(index);
}
in.SetTopMemberId(variantInfo->GetId());
variantInfo->ReadVariant(in, objectPtr);
in.EndChoiceVariant();
break;
}
}
END_OBJECT_FRAME_OF(in);
in.EndChoice();
END_OBJECT_FRAME_OF(in);
}
static void Read(CObjectIStream& in, TTypeInfo ,
TObjectPtr objectPtr)
{
if ( objectPtr != 0 ) {
in.ThrowError(in.fInvalidData,
"non-null value when reading NULL member");
}
in.ReadNull();
}
