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Added numeric support

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[SVN r7995]
This commit is contained in:
Dave Abrahams
2000-10-18 04:59:46 +00:00
parent c8f3aa5cb6
commit c410b83b36
11 changed files with 878 additions and 192 deletions
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45
extclass.cpp
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@@ -239,43 +239,44 @@ ExtensionClassBase::ExtensionClassBase(const char* name)
of the held object to 'T *' is allowed when the conversion
'dynamic_cast<InstanceHolde<T> *>(an_instance_holder_base)' succeeds.
*/
void * ExtensionClassBase::try_class_conversions(InstanceHolderBase * object) const
void * ExtensionClassBase::try_class_conversions(InstanceHolderBase* object) const
{
void * result = try_derived_class_conversions(object);
void* result = try_derived_class_conversions(object);
if(result)
return result;
result = try_base_class_conversions(object);
return result;
return try_base_class_conversions(object);
}
void * ExtensionClassBase::try_base_class_conversions(InstanceHolderBase * object) const
void* ExtensionClassBase::try_base_class_conversions(InstanceHolderBase* object) const
{
void * result = 0;
for(int i=0; i<base_classes().size(); ++i)
for (std::size_t i = 0; i < base_classes().size(); ++i)
{
if(base_classes()[i].convert == 0)
continue;
result = base_classes()[i].class_object->convert_from_holder(object);
if(result)
return (*base_classes()[i].convert)(result);
result = base_classes()[i].class_object->try_base_class_conversions(object);
if(result)
return (*base_classes()[i].convert)(result);
void* result1 = base_classes()[i].class_object->convert_from_holder(object);
if (result1)
return (*base_classes()[i].convert)(result1);
void* result2 = base_classes()[i].class_object->try_base_class_conversions(object);
if (result2)
return (*base_classes()[i].convert)(result2);
}
return 0;
}
void * ExtensionClassBase::try_derived_class_conversions(InstanceHolderBase * object) const
void* ExtensionClassBase::try_derived_class_conversions(InstanceHolderBase* object) const
{
void * result = 0;
for(int i=0; i<derived_classes().size(); ++i)
for (std::size_t i = 0; i < derived_classes().size(); ++i)
{
result = derived_classes()[i].class_object->convert_from_holder(object);
if(result)
return (*derived_classes()[i].convert)(result);
result = derived_classes()[i].class_object->try_derived_class_conversions(object);
if(result)
return (*derived_classes()[i].convert)(result);
void* result1 = derived_classes()[i].class_object->convert_from_holder(object);
if (result1)
return (*derived_classes()[i].convert)(result1);
void* result2 = derived_classes()[i].class_object->try_derived_class_conversions(object);
if (result2)
return (*derived_classes()[i].convert)(result2);
}
return 0;
}