本文整理汇总了C++中DataPtr::visit方法的典型用法代码示例。如果您正苦于以下问题：C++ DataPtr::visit方法的具体用法？C++ DataPtr::visit怎么用？C++ DataPtr::visit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DataPtr的用法示例。
在下文中一共展示了DataPtr::visit方法的4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: v
void
FreezeScript::AssignVisitor::visitSequence(const SequenceDataPtr& dest)
{
Slice::TypePtr type = dest->getType();
SequenceDataPtr src = SequenceDataPtr::dynamicCast(_src);
if(src && isCompatible(type, src->getType()))
{
DataList& srcElements = src->getElements();
DataList destElements;
Slice::SequencePtr seqType = Slice::SequencePtr::dynamicCast(type);
assert(seqType);
Slice::TypePtr elemType = seqType->type();
string typeName = typeToString(type);
for(DataList::const_iterator p = srcElements.begin(); p != srcElements.end(); ++p)
{
DataPtr element = _factory->create(elemType, false);
Destroyer<DataPtr> elementDestroyer(element);
AssignVisitor v(*p, _factory, _errorReporter, _convert, typeName + " element");
element->visit(v);
destElements.push_back(element);
elementDestroyer.release();
}
DataList& l = dest->getElements();
l.swap(destElements);
}
else
{
typeMismatchError(type, _src->getType());
}
}示例2: keyVisitor
void
FreezeScript::AssignVisitor::visitDictionary(const DictionaryDataPtr& dest)
{
Slice::TypePtr type = dest->getType();
DictionaryDataPtr d = DictionaryDataPtr::dynamicCast(_src);
if(d && isCompatible(type, _src->getType()))
{
DataMap& srcMap = d->getElements();
DataMap destMap;
Slice::DictionaryPtr dictType = Slice::DictionaryPtr::dynamicCast(type);
assert(dictType);
Slice::TypePtr keyType = dictType->keyType();
Slice::TypePtr valueType = dictType->valueType();
string typeName = typeToString(type);
for(DataMap::const_iterator p = srcMap.begin(); p != srcMap.end(); ++p)
{
DataPtr key = _factory->create(keyType, false);
Destroyer<DataPtr> keyDestroyer(key);
DataPtr value = _factory->create(valueType, false);
Destroyer<DataPtr> valueDestroyer(value);
AssignVisitor keyVisitor(p->first, _factory, _errorReporter, _convert, typeName + " key");
key->visit(keyVisitor);
AssignVisitor valueVisitor(p->second, _factory, _errorReporter, _convert, typeName + " value");
value->visit(valueVisitor);
DataMap::const_iterator q = destMap.find(key);
if(q != destMap.end())
{
error("duplicate dictionary key in " + typeToString(dictType));
}
else
{
destMap.insert(DataMap::value_type(key, value));
keyDestroyer.release();
valueDestroyer.release();
}
}
DataMap& m = dest->getElements();
m.swap(destMap);
}
else
{
typeMismatchError(type, _src->getType());
}
}示例3: v
void
FreezeScript::TransformVisitor::visitSequence(const SequenceDataPtr& dest)
{
Slice::TypePtr type = dest->getType();
if(_info->doDefaultTransform(type))
{
SequenceDataPtr s = SequenceDataPtr::dynamicCast(_src);
if(s && isCompatible(type, _src->getType()))
{
DataList& srcElements = s->getElements();
DataList destElements;
Slice::SequencePtr seqType = Slice::SequencePtr::dynamicCast(type);
assert(seqType);
Slice::TypePtr elemType = seqType->type();
string typeName = typeToString(type);
for(DataList::const_iterator p = srcElements.begin(); p != srcElements.end(); ++p)
{
DataPtr element = _info->getDataFactory()->create(elemType, false);
Destroyer<DataPtr> elementDestroyer(element);
try
{
TransformVisitor v(*p, _info, typeName + " element");
element->visit(v);
destElements.push_back(element);
elementDestroyer.release();
}
catch(const ClassNotFoundException& ex)
{
//
// If transformation of the sequence element fails because a class
// could not be found, then we invoke purgeObjects() to determine
// whether we should ignore the situation (and remove the element
// from the sequence) or raise the exception again.
//
if(!_info->purgeObjects())
{
throw;
}
warning("purging element of sequence " + typeToString(type) +
" due to missing class type " + ex.id);
}
}
DataList& l = dest->getElements();
l.swap(destElements);
}
else
{
typeMismatchError(type, _src->getType());
}
}
_info->executeCustomTransform(dest, _src);
}示例4: keyVisitor
void
FreezeScript::TransformVisitor::visitDictionary(const DictionaryDataPtr& dest)
{
Slice::TypePtr type = dest->getType();
if(_info->doDefaultTransform(type))
{
DictionaryDataPtr d = DictionaryDataPtr::dynamicCast(_src);
if(d && isCompatible(type, _src->getType()))
{
DataMap& srcMap = d->getElements();
DataMap destMap;
Slice::DictionaryPtr dictType = Slice::DictionaryPtr::dynamicCast(type);
assert(dictType);
Slice::TypePtr keyType = dictType->keyType();
Slice::TypePtr valueType = dictType->valueType();
string typeName = typeToString(type);
for(DataMap::const_iterator p = srcMap.begin(); p != srcMap.end(); ++p)
{
DataPtr key = _info->getDataFactory()->create(keyType, false);
Destroyer<DataPtr> keyDestroyer(key);
DataPtr value = _info->getDataFactory()->create(valueType, false);
Destroyer<DataPtr> valueDestroyer(value);
TransformVisitor keyVisitor(p->first, _info, typeName + " key");
key->visit(keyVisitor);
try
{
TransformVisitor valueVisitor(p->second, _info, typeName + " value");
value->visit(valueVisitor);
}
catch(const ClassNotFoundException& ex)
{
//
// If transformation of the dictionary value fails because a class
// could not be found, then we invoke purgeObjects() to determine
// whether we should ignore the situation (and remove the element
// from the dictionary) or raise the exception again.
//
if(!_info->purgeObjects())
{
throw;
}
warning("purging element of dictionary " + typeToString(dictType) + " due to missing class type " +
ex.id);
continue;
}
DataMap::const_iterator q = destMap.find(key);
if(q != destMap.end())
{
warning("duplicate dictionary key in " + typeToString(dictType));
}
else
{
destMap.insert(DataMap::value_type(key, value));
keyDestroyer.release();
valueDestroyer.release();
}
}
DataMap& m = dest->getElements();
m.swap(destMap);
}
else
{
typeMismatchError(type, _src->getType());
}
}
_info->executeCustomTransform(dest, _src);
}