From de4744091075434e444deefdda06e107b5732d1d Mon Sep 17 00:00:00 2001
From: Tazpn <tazpn@users.sourceforge.net>
Date: Sat, 24 Jun 2006 14:31:30 +0000
Subject: [PATCH] Add my Casting operators back to the base Ref. Also change
the header guard so that it doesnt conflict with 3ds max's ref.h
---
Ref.h | 26 +++++++++++++++++++++-----
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/Ref.h b/Ref.h
index 12552a67..1fb653df 100644
--- a/Ref.h
+++ b/Ref.h
@@ -1,8 +1,8 @@
/* Copyright (c) 2006, NIF File Format Library and Tools
All rights reserved. Please see niflib.h for licence. */
-#ifndef _REF_H_
-#define _REF_H_
+#ifndef _NIFLIB_REF_H_
+#define _NIFLIB_REF_H_
#include <ostream>
namespace Niflib {
@@ -12,12 +12,25 @@ namespace Niflib {
*/
template<class T> class Ref;
-template<class T> ostream & operator<<(ostream &, const Ref<T> &);
+template<class T> std::ostream & operator<<(std::ostream &, const Ref<T> &);
template <class T> class Ref {
public:
Ref( T * object = NULL );
Ref(const Ref & ref_to_copy );
+
+#ifdef USE_NIFLIB_TEMPLATE_HELPERS
+ template<typename U> Ref( const Ref<U>& other ) {
+ if ( (NULL != other._object) && other._object->IsDerivedType(T::TypeConst()) ) {
+ _object = static_cast<T*>(other._object);
+ if ( _object != NULL )
+ _object->AddRef();
+ } else {
+ _object = NULL;
+ }
+ }
+#endif
+
~Ref();
T& operator*() const;
@@ -33,7 +46,7 @@ public:
//These operators generate problems in SWIG
#ifndef SWIG
- friend ostream & operator<< <T>(ostream & os, const Ref & ref);
+ friend std::ostream & operator<< <T>(std::ostream & os, const Ref & ref);
Ref & operator=( T * object );
Ref & operator=( const Ref & ref );
operator T*() const;
@@ -41,6 +54,9 @@ public:
#endif
protected:
+#ifdef USE_NIFLIB_TEMPLATE_HELPERS
+ template<typename U> friend class Ref;
+#endif
//The shared object
T* _object;
};
@@ -176,7 +192,7 @@ bool Ref<T>::operator!=(const Ref & ref) const {
#ifndef SWIG
template <class T>
-ostream & operator<<(ostream & os, const Ref<T> & ref) {
+std::ostream & operator<<(std::ostream & os, const Ref<T> & ref) {
if (ref._object)
os << ref->GetIDString();
else
--
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