/usr/include/wv2/functor.h is in libwv2-dev 0.4.2.dfsg.1-4.
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 | /* This file is part of the wvWare 2 project
Copyright (C) 2002-2003 Werner Trobin <trobin@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef FUNCTOR_H
#define FUNCTOR_H
namespace wvWare
{
/**
* FunctorBase is provided to allow polymorphic handling of different
* types of functors. Use it like the real functor.
*/
class FunctorBase
{
public:
virtual ~FunctorBase() = 0;
virtual void operator()() const;
};
/**
* The Functor class is used to pass on callback information to the
* consumer filter. You may copy and assign it, to invoke it just
* call operator().
*/
template<class ParserT, typename Data>
class Functor : public FunctorBase
{
public:
typedef void (ParserT::*F)( const Data& );
Functor( ParserT& parser, F f, const Data& data )
: m_parser( &parser ), f_( f ), m_data( data ) {}
virtual void operator()() const { (m_parser->*f_)( m_data ); }
private:
ParserT* m_parser;
F f_;
Data m_data;
};
/**
* A small helper function to avoid unnecessary uglyness in the template
* creation code. The function figures out the types and we don't have to
* specify them explicitly every time we create a functor.
*/
template<class ParserT, typename Data>
Functor<ParserT, Data> make_functor( ParserT& parser, void (ParserT::*f) ( const Data& ), const Data& data )
{
return Functor<ParserT, Data>( parser, f, data );
}
} // namespace wvWare
#endif // FUNCTOR_H
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