/usr/include/CLAM/Functor0.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 __FUNCTOR0__
#define __FUNCTOR0__
#include "FunctorBase.hxx"
namespace CBL
{
class Functor0 : public FunctorBase
{
public:
Functor0( DummyInit * = 0 )
{
}
void operator()() const
{
thunk( *this );
}
FunctorBase::operator bool;
protected:
typedef void (*Thunk) (const FunctorBase&);
Functor0( 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 Func >
class FunctionTranslator0 : public Functor0
{
public:
FunctionTranslator0 ( Func f )
: Functor0( thunk, NULL, (void*)f, size_t(0) )
{
}
static void thunk( const FunctorBase& ftor )
{
(Func(ftor.func))();
}
};
// Member function
template < class Callee, class MemFunc >
class MemberTranslator0 : public Functor0
{
public:
MemberTranslator0( Callee& c, MemFunc m )
: Functor0 ( thunk, &c, &m, sizeof( MemFunc ) )
{
}
static void 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;
(callee->*mfref)();
#else
MemFunc &memFunc(*(MemFunc*)(void*)(ftor.memFunc));
(callee->*memFunc)( );
#endif
}
};
// makeFunctors helper functions
// "specialized" makeFunctor function for pointer to non-member or static function
template < class TypeOfReturn >
inline FunctionTranslator0< TypeOfReturn (*) () >
makeFunctor ( Functor0*, TypeOfReturn (*f) () )
{
return FunctionTranslator0< TypeOfReturn (*) () >( f );
}
// "specialized" makeFunctor function for pointer to member function
template < class Callee, class TypeOfReturn, class CallType >
inline MemberTranslator0< Callee, TypeOfReturn (CallType::*) () >
makeFunctor ( Functor0*, Callee &c, TypeOfReturn (CallType::*f) () )
{
typedef TypeOfReturn ( CallType::*MemFunc ) ();
return MemberTranslator0< Callee, MemFunc > (c, f );
}
// "specialized" makeFunctor function for pointer to const member function
template < class Callee, class TypeOfReturn, class CallType >
inline MemberTranslator0< const Callee, TypeOfReturn (CallType::*) () const >
makeFunctor ( Functor0*, const Callee &c, TypeOfReturn (CallType::*f) () const )
{
typedef TypeOfReturn ( CallType::*MemFunc ) () const;
return MemberTranslator0< const Callee, MemFunc > (c , f );
}
}
#endif
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