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git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@480 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
syntheticpp 2006-01-16 13:30:26 +00:00
parent 47e962d64b
commit c69cdedf2e
2 changed files with 70 additions and 70 deletions
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108
include/loki/Pimpl.h
View file

@ -25,7 +25,7 @@
namespace Loki
{
/////////////////////
/////////////////////
// template for the implementations
/////////////////////
template<class T>
@ -45,12 +45,12 @@ namespace Loki
struct AutoDeletePimpl
{
static void Destroy(T ptr)
{
typedef char T_must_be_defined[
sizeof(typename TypeTraits<T>::PointeeType) ? 1 : -1 ];
delete ptr;
ptr = 0;
}
{
typedef char T_must_be_defined[
sizeof(typename TypeTraits<T>::PointeeType) ? 1 : -1 ];
delete ptr;
ptr = 0;
}
};
template<class T>
@ -65,41 +65,41 @@ namespace Loki
// Helper class AutoPtrHolder to manage pimpl lifetime
/////////////////////
namespace Private
{
template
<
class Impl,
class Ptr,
template<class> class Del
>
struct AutoPtrHolder
{
AutoPtrHolder() //: ptr(Ptr()) this owerwrites the pointer to PtrImpl
{} // when using DeclaredRimpl!!
namespace Private
{
template
<
class Impl,
class Ptr,
template<class> class Del
>
struct AutoPtrHolder
{
AutoPtrHolder() //: ptr(Ptr()) this owerwrites the pointer to PtrImpl
{} // when using DeclaredRimpl!!
~AutoPtrHolder()
{
// delete automatically by the delete policy
Del<Ptr>::Destroy( ptr );
}
~AutoPtrHolder()
{
// delete automatically by the delete policy
Del<Ptr>::Destroy( ptr );
}
template<class T>
operator T&()
{
Create();
return *ptr;
}
template<class T>
operator T&()
{
Create();
return *ptr;
}
Ptr Create()
{
ptr = Ptr( new Impl );
return ptr;
}
Ptr Create()
{
ptr = Ptr( new Impl );
return ptr;
}
Ptr ptr;
};
Ptr ptr;
};
template<class T>
struct HavePtrHolder
@ -116,7 +116,7 @@ namespace Loki
template<class Impl, typename Ptr, template<class> class Del>
class InheritedPimpl : private
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
{
typedef Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> > PtrHolder;
@ -127,13 +127,13 @@ namespace Loki
InheritedPimpl() : LOKI_INHERITED_PIMPL_NAME(PtrHolder::ptr.Create())
{}
private:
InheritedPimpl& operator=(const InheritedPimpl&);
private:
InheritedPimpl& operator=(const InheritedPimpl&);
};
template<class Impl, typename Ptr, template<class> class Del>
class DeclaredPimpl : private
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
class DeclaredPimpl : private
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
{
typedef Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> > PtrHolder;
@ -149,11 +149,11 @@ namespace Loki
}
protected:
DeclaredPimpl() : ptr(PtrHolder::ptr.Create())
DeclaredPimpl() : ptr(PtrHolder::ptr.Create())
{}
private:
DeclaredPimpl& operator=(const DeclaredPimpl&);
DeclaredPimpl& operator=(const DeclaredPimpl&);
const Ptr ptr;
};
@ -164,7 +164,7 @@ namespace Loki
template<class Impl, typename Ptr, template<class> class Del>
class InheritedRimpl : private
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> >
{
typedef Private::HavePtrHolder<Private::AutoPtrHolder<Impl,Ptr,Del> > PtrHolder;
@ -215,8 +215,8 @@ namespace Loki
PtrImpl() : UsagePolicy<Impl,PointerPolicy,DeletePolicy>()
{}
private:
PtrImpl& operator=(const PtrImpl&);
private:
PtrImpl& operator=(const PtrImpl&);
};
@ -229,7 +229,7 @@ namespace Loki
template<class T>
struct Pimpl
{
// declare pimpl
// declare pimpl
typedef PtrImpl
<
Impl<T>,
@ -239,7 +239,7 @@ namespace Loki
>
Type;
// inherit pimpl
// inherit pimpl
typedef PtrImpl
<
Impl<T>,
@ -255,7 +255,7 @@ namespace Loki
struct Rimpl
{
// declare rimpl
// declare rimpl
typedef PtrImpl
<
Impl<T>,
@ -265,8 +265,8 @@ namespace Loki
>
Type;
// init declared rimpl
typedef Private::AutoPtrHolder
// init declared rimpl
typedef Private::AutoPtrHolder
<
Type,
Type*,
@ -275,7 +275,7 @@ namespace Loki
Init;
// ingerit rimpl
// ingerit rimpl
typedef PtrImpl
<
Impl<T>,