/usr/include/CLAM/Functor2R.hxx is in libclam-dev 1.4.0-6.
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 __FUNCTOR2R__
#define __FUNCTOR2R__
#include "FunctorBase.hxx"
namespace CBL
{
template < class TypeOfReturn, class Parm1Type, class Parm2Type >
class Functor2R : public FunctorBase
{
public:
Functor2R( DummyInit * = 0 )
{
}
TypeOfReturn operator()( Parm1Type param1, Parm2Type param2 ) const
{
return thunk( *this, param1, param2 );
}
FunctorBase::operator bool;
protected:
typedef TypeOfReturn (*Thunk) (const FunctorBase&, Parm1Type, Parm2Type );
Functor2R( Thunk t, const void* c, const void* f, size_t sz )
: FunctorBase( c, f, sz), thunk ( t )
{
}
private:
Thunk thunk;
};
// Translators
// From non-member function
template < class TypeOfReturn, class Parm1Type, class Parm2Type, class Func >
class FunctionTranslator2R : public Functor2R< TypeOfReturn, Parm1Type, Parm2Type >
{
public:
FunctionTranslator2R( Func f )
: Functor2R< TypeOfReturn, Parm1Type, Parm2Type >( thunk, NULL, (void*)f, size_t(0))
{
}
static TypeOfReturn thunk( const FunctorBase& ftor, Parm1Type param1, Parm2Type param2 )
{
return (Func( ftor.func )) ( param1, param2 );
}
};
// From member Function
template < class TypeOfReturn, class Parm1Type, class Parm2Type, class Callee, class MemFunc >
class MemberTranslator2R : public Functor2R< TypeOfReturn, Parm1Type, Parm2Type >
{
public:
MemberTranslator2R( Callee& c, MemFunc mf )
: Functor2R< TypeOfReturn, Parm1Type, Parm2Type > ( thunk, &c, &mf, sizeof( MemFunc ) )
{
}
static TypeOfReturn thunk( const FunctorBase& ftor, Parm1Type param1, Parm2Type param2 )
{
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)(param1,param2);
#else
MemFunc &memFunc(*(MemFunc*)(void*)(ftor.memFunc));
return (callee->*memFunc)( param1, param2 );
#endif
}
};
// "specialized" makeFunctor function for pointers to non-member or static functions
template < class TypeOfReturn, class Parm1Type, class Parm2Type, class TTypeOfReturn, class TParm1Type, class TParm2Type >
inline FunctionTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, TTypeOfReturn (*)(TParm1Type, TParm2Type ) >
makeFunctor ( Functor2R< TypeOfReturn, Parm1Type, Parm2Type >*, TTypeOfReturn (*f) (TParm1Type, TParm2Type) )
{
return FunctionTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, TTypeOfReturn (*)(TParm1Type, TParm2Type) >( f );
}
// "specialized" makeFunctor function to pointer to non-const member functions
template < class TypeOfReturn, class Parm1Type, class Parm2Type, class Callee, class TTypeOfReturn, class CallType, class TParm1Type, class TParm2Type >
inline MemberTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, Callee, TTypeOfReturn (CallType::*) (TParm1Type, TParm2Type) >
makeFunctor ( Functor2R< TypeOfReturn, Parm1Type, Parm2Type >*, Callee& c, TTypeOfReturn (CallType::*f) (TParm1Type, TParm2Type) )
{
typedef TTypeOfReturn (CallType::*MemFunc) (TParm1Type, TParm2Type);
return MemberTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, Callee, MemFunc >( c, f );
}
// "specialized" makeFunctor function to pointer to const member functions
template < class TypeOfReturn, class Parm1Type, class Parm2Type, class Callee, class TTypeOfReturn, class CallType, class TParm1Type, class TParm2Type >
inline MemberTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, const Callee, TTypeOfReturn (CallType::*) (TParm1Type, TParm2Type) const >
makeFunctor ( Functor2R< TypeOfReturn, Parm1Type, Parm2Type >*, const Callee& c, TTypeOfReturn (CallType::*f) (TParm1Type, TParm2Type) const )
{
typedef TTypeOfReturn (CallType::*MemFunc) (TParm1Type, TParm2Type) const;
return MemberTranslator2R< TypeOfReturn, Parm1Type, Parm2Type, const Callee, MemFunc >( c, f );
}
}
#endif // Functor2R.hxx
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