/usr/include/CLAM/Functor0R.hxx is in libclam-dev 1.4.0-7.
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) 2001-2002 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __FUNCTOR0R__
#define __FUNCTOR0R__
#include "FunctorBase.hxx"
namespace CBL
{
template < class TypeOfReturn >
class Functor0R : public FunctorBase
{
public:
Functor0R( DummyInit * = 0 )
{
}
TypeOfReturn operator()() const
{
return thunk( *this );
}
FunctorBase::operator bool;
protected:
typedef TypeOfReturn (*Thunk) (const FunctorBase&);
Functor0R( Thunk t, const void* c, const void* f, size_t sz )
: FunctorBase( c, f, sz ), thunk( t )
{
}
private:
Thunk thunk;
};
// Translator fors void f(void) signature callbacks
// Non-member or static function
template < class TypeOfReturn, class Func >
class FunctionTranslator0R : public Functor0R<TypeOfReturn>
{
public:
FunctionTranslator0R ( Func f )
: Functor0R<TypeOfReturn>( thunk, NULL, (void*)f, size_t(0) )
{
}
static TypeOfReturn thunk( const FunctorBase& ftor )
{
return (Func(ftor.func))();
}
};
// Member function
template <class TypeOfReturn, class Callee, class MemFunc >
class MemberTranslator0R : public Functor0R<TypeOfReturn>
{
public:
MemberTranslator0R( Callee& c, MemFunc m )
: Functor0R<TypeOfReturn> ( thunk, &c, &m, sizeof( MemFunc ) )
{
}
static TypeOfReturn thunk( const FunctorBase& ftor )
{
Callee* callee = (Callee*) ftor.callee;
#ifdef _MSC_VER
// Microsoft Parser is shit, just because it didn't like MemFunc &memFunc( *(MemFunc*)(void*)(ftor.memFunc) );
// I HAD to make this horrible kludge :_(
void* pvoid = (void*) ftor.memFunc;
MemFunc* pfunc = (MemFunc*) pvoid;
MemFunc& mfref = *pfunc;
return (callee->*mfref)( );
#else
MemFunc &memFunc(*(MemFunc*)(void*)(ftor.memFunc));
return (callee->*memFunc)( );
#endif
}
};
// makeFunctors helper functions
// "specialized" makeFunctor function for pointer to non-member or static function
template < class TypeOfReturn, class TTypeOfReturn >
inline FunctionTranslator0R< TypeOfReturn, TTypeOfReturn (*) () >
makeFunctor ( Functor0R<TypeOfReturn>*, TTypeOfReturn (*f) () )
{
return FunctionTranslator0R< TypeOfReturn, TTypeOfReturn (*) () >( f );
}
// "specialized" makeFunctor function for pointer to member function
template < class Callee, class TypeOfReturn, class CallType, class TTypeOfReturn >
inline MemberTranslator0R< TypeOfReturn, Callee, TTypeOfReturn (CallType::*) () >
makeFunctor ( Functor0R<TypeOfReturn>*, Callee &c, TTypeOfReturn (CallType::*f) () )
{
typedef TTypeOfReturn ( CallType::*MemFunc ) ();
return MemberTranslator0R< TypeOfReturn, Callee, MemFunc > (c, f );
}
// "specialized" makeFunctor function for pointer to const member function
template < class Callee, class TypeOfReturn, class CallType, class TTypeOfReturn >
inline MemberTranslator0R< TypeOfReturn, const Callee, TTypeOfReturn (CallType::*) () const >
makeFunctor ( Functor0R<TypeOfReturn>*, const Callee &c, TTypeOfReturn (CallType::*f) () const )
{
typedef TTypeOfReturn ( CallType::*MemFunc ) () const;
return MemberTranslator0R<TypeOfReturn, const Callee, MemFunc > (c , f );
}
}
#endif // Functor0R.hxx
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