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added helper-macros for specializing std::less

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git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@112 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
humesikkins 2003-03-05 23:38:43 +00:00
parent 4c0391d95a
commit 0bd2e6d699
1 changed files with 38 additions and 4 deletions
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42
MSVC/1200/SmartPtr.h
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@ -13,7 +13,8 @@
// without express or implied warranty. // without express or implied warranty.
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
// Last update: Feb 24, 2003 // Last update: Mar 06, 2003
// ported RefCountedMT // ported RefCountedMT
// To create a SmartPtr with RefCountedMT as ownership policy // To create a SmartPtr with RefCountedMT as ownership policy
// use code like this: // use code like this:
@ -76,7 +77,6 @@
namespace Loki namespace Loki
{ {
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
// class template DefaultSPStorage // class template DefaultSPStorage
// Implementation of the StoragePolicy used by SmartPtr // Implementation of the StoragePolicy used by SmartPtr
@ -128,7 +128,9 @@ namespace Loki
// Destroys the data stored // Destroys the data stored
// (Destruction might be taken over by the OwnershipPolicy) // (Destruction might be taken over by the OwnershipPolicy)
void Destroy() void Destroy()
{ delete pointee_; } {
delete pointee_;
}
// Default value to initialize the pointer // Default value to initialize the pointer
static StoredType Default() static StoredType Default()
@ -1432,6 +1434,37 @@ namespace std
{ return less<T*>()(GetImpl(lhs), GetImpl(rhs)); } { return less<T*>()(GetImpl(lhs), GetImpl(rhs)); }
}; };
} }
#else
// macros that help to specialize std::less for smarptrs.
#define SMARTPTR_SPECIALIZE_LESS_5(T, OP, CP, KP, SP) \
namespace std \
{ \
struct less< Loki::SmartPtr<T, OP, CP, KP, SP> > \
: public binary_function<Loki::SmartPtr<T, OP, CP, KP, SP>, \
Loki::SmartPtr<T, OP, CP, KP, SP>, bool> \
{ \
bool operator()(const Loki::SmartPtr<T, OP, CP, KP, SP>& lhs, \
const Loki::SmartPtr<T, OP, CP, KP, SP>& rhs) const \
{ \
typedef ApplyInnerType<SP, T>::type TempType; \
const TempType& rlhs = lhs; \
const TempType& rrhs = rhs; \
return less<T*>()(GetImpl(rlhs), GetImpl(rrhs)); \
} \
}; \
}
#define SMARTPTR_SPECIALIZE_LESS_4(T, OP, CP, KP) \
SMARTPTR_SPECIALIZE_LESS_5(T, OP, CP, KP, DefaultSPStorageWrapper)
#define SMARTPTR_SPECIALIZE_LESS_3(T, OP, CP) \
SMARTPTR_SPECIALIZE_LESS_5(T, OP, CP, AssertCheckWrapper, DefaultSPStorageWrapper)
#define SMARTPTR_SPECIALIZE_LESS_2(T, OP) \
SMARTPTR_SPECIALIZE_LESS_5(T, OP, DisallowConversion, AssertCheckWrapper, DefaultSPStorageWrapper)
#define SMARTPTR_SPECIALIZE_LESS(T) \
SMARTPTR_SPECIALIZE_LESS_5(T, RefCountedWrapper, DisallowConversion, AssertCheckWrapper, DefaultSPStorageWrapper)
#endif #endif
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
// Change log: // Change log:
@ -1440,6 +1473,7 @@ namespace std
// Oct 26, 2002: ported by Benjamin Kaufmann to MSVC 6.0 // Oct 26, 2002: ported by Benjamin Kaufmann to MSVC 6.0
// Feb 24, 2003: ported RefCountedMT. In NoCopy replaced CT_ASSERT with // Feb 24, 2003: ported RefCountedMT. In NoCopy replaced CT_ASSERT with
// STATIC_CHECK. B.K. // STATIC_CHECK. B.K.
// Mar 06, 2003: added helper-macros for specializing std::less for
// Smart-Pointers.
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
#endif // SMARTPTR_INC_ #endif // SMARTPTR_INC_