/usr/include/tnt/object.h is in libtntnet-dev 2.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /*
* Copyright (C) 2005 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TNT_OBJECT_H
#define TNT_OBJECT_H
#include <cxxtools/refcounted.h>
#include <cxxtools/smartptr.h>
namespace tnt
{
class Object : public cxxtools::RefCounted
{
public:
virtual ~Object()
{ }
typedef cxxtools::SmartPtr<Object> pointer_type;
template <typename data_type>
data_type* cast();
};
template <typename data_type, template <class> class destroyPolicy = cxxtools::DeletePolicy>
class PointerObject : public Object, public destroyPolicy<data_type>
{
data_type* ptr;
public:
explicit PointerObject(data_type* ptr_ = 0)
: ptr(ptr_)
{ }
~PointerObject()
{ destroyPolicy<data_type>::destroy(ptr); }
void set(data_type* ptr_)
{ destroyPolicy<data_type>::destroy(ptr); ptr = ptr_; }
data_type* get() { return ptr; }
};
template <typename data_type>
Object::pointer_type createPointerObject(const data_type& d)
{
// assign the PointerObject to a smart pointer prior calling the ctor of
// the created object to prevent memory leaky in case the ctor throws an
// exception
PointerObject<data_type>* ptr = new PointerObject<data_type>();
Object::pointer_type ret = ptr;
ptr->set(new data_type(d));
return ret;
}
template <typename data_type>
data_type* Object::cast()
{
return static_cast<PointerObject<data_type>*>(this)->get();
}
}
#endif // TNT_OBJECT_H
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