本文整理汇总了C++中CObjectIStream::BeginChoiceVariant方法的典型用法代码示例。如果您正苦于以下问题：C++ CObjectIStream::BeginChoiceVariant方法的具体用法？C++ CObjectIStream::BeginChoiceVariant怎么用？C++ CObjectIStream::BeginChoiceVariant使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CObjectIStream的用法示例。
在下文中一共展示了CObjectIStream::BeginChoiceVariant方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SkipChoiceDefault
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);
}示例2: ReadChoiceDefault
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);
}