/usr/include/Ice/Handle.h is in libzeroc-ice35-dev 3.5.1-5.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Copyright (c) 2003-2013 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_HANDLE_H
#define ICE_HANDLE_H
#include <IceUtil/Handle.h>
#include <Ice/Config.h>
//
// "Handle" or "smart pointer" template for classes derived from
// IceInternal::GCShared, IceUtil::Shared, or IceUtil::SimpleShared.
//
// In constrast to IceUtil::Handle, IceInternal::Handle<T> can be used
// for a type T that has been declared but not defined. The only
// requirement is a declaration of the following function:
//
// namespace IceInternal
// {
// X* upCast(T*);
// }
//
// Where X is (or derives from) IceUtil::Shared or IceUtil::SimpleShared.
//
namespace IceInternal
{
template<typename T>
class Handle : public ::IceUtil::HandleBase<T>
{
public:
Handle(T* p = 0)
{
this->_ptr = p;
if(this->_ptr)
{
upCast(this->_ptr)->__incRef();
}
}
template<typename Y>
Handle(const Handle<Y>& r)
{
this->_ptr = r._ptr;
if(this->_ptr)
{
upCast(this->_ptr)->__incRef();
}
}
template<typename Y>
Handle(const ::IceUtil::Handle<Y>& r)
{
this->_ptr = r._ptr;
if(this->_ptr)
{
upCast(this->_ptr)->__incRef();
}
}
Handle(const Handle& r)
{
this->_ptr = r._ptr;
if(this->_ptr)
{
upCast(this->_ptr)->__incRef();
}
}
~Handle()
{
if(this->_ptr)
{
upCast(this->_ptr)->__decRef();
}
}
Handle& operator=(T* p)
{
if(this->_ptr != p)
{
if(p)
{
upCast(p)->__incRef();
}
T* ptr = this->_ptr;
this->_ptr = p;
if(ptr)
{
upCast(ptr)->__decRef();
}
}
return *this;
}
template<typename Y>
Handle& operator=(const Handle<Y>& r)
{
if(this->_ptr != r._ptr)
{
if(r._ptr)
{
upCast(r._ptr)->__incRef();
}
T* ptr = this->_ptr;
this->_ptr = r._ptr;
if(ptr)
{
upCast(ptr)->__decRef();
}
}
return *this;
}
template<typename Y>
Handle& operator=(const ::IceUtil::Handle<Y>& r)
{
if(this->_ptr != r._ptr)
{
if(r._ptr)
{
upCast(r._ptr)->__incRef();
}
T* ptr = this->_ptr;
this->_ptr = r._ptr;
if(ptr)
{
upCast(ptr)->__decRef();
}
}
return *this;
}
Handle& operator=(const Handle& r)
{
if(this->_ptr != r._ptr)
{
if(r._ptr)
{
upCast(r._ptr)->__incRef();
}
T* ptr = this->_ptr;
this->_ptr = r._ptr;
if(ptr)
{
upCast(ptr)->__decRef();
}
}
return *this;
}
template<class Y>
static Handle dynamicCast(const ::IceUtil::HandleBase<Y>& r)
{
return Handle(dynamic_cast<T*>(r._ptr));
}
template<class Y>
static Handle dynamicCast(Y* p)
{
return Handle(dynamic_cast<T*>(p));
}
void __clearHandleUnsafe()
{
this->_ptr = 0;
}
};
}
#endif
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