/usr/include/gtkmathview/MathView/SmartPtr.hh is in libgtkmathview-dev 0.8.0-7.
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 | // Copyright (C) 2000-2007, Luca Padovani <padovani@sti.uniurb.it>.
//
// This file is part of GtkMathView, a flexible, high-quality rendering
// engine for MathML documents.
//
// GtkMathView 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 3 of the License, or
// (at your option) any later version.
//
// GtkMathView 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 program. If not, see <http://www.gnu.org/licenses/>.
#ifndef __SmartPtr_hh__
#define __SmartPtr_hh__
#include <cassert>
#include "gmv_defines.h"
template <class P>
class GMV_MathView_EXPORT SmartPtr
{
public:
SmartPtr(P* p = 0) : ptr(p) { if (ptr) ptr->ref(); }
SmartPtr(const SmartPtr& p) : ptr(p.ptr) { if (ptr) ptr->ref(); }
~SmartPtr() { if (ptr) ptr->unref(); }
P* operator->() const { assert(ptr); return ptr; }
SmartPtr& operator=(const SmartPtr& p)
{
if (ptr == p.ptr) return *this;
if (p.ptr) p.ptr->ref();
if (ptr) ptr->unref();
ptr = p.ptr;
return *this;
}
operator P*() const { return ptr; }
template <class Q, class R> friend SmartPtr<Q> smart_cast(const SmartPtr<R>&);
template <class Q, class R> friend bool is_a(const SmartPtr<R>&);
template <class Q> operator SmartPtr<Q>() const { return SmartPtr<Q>(ptr); }
private:
P* ptr;
};
template <class Q, class P>
SmartPtr<Q>
smart_cast(const SmartPtr<P>& p)
{ return SmartPtr<Q>(dynamic_cast<Q*>(p.ptr)); }
template <class Q, class R>
bool
is_a(const SmartPtr<R>& p)
{ return dynamic_cast<Q*>(p.ptr) != 0; }
#endif // __SmartPtr_hh__
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