pp-iterator.h
65 lines
| 1.8 KiB
| text/x-c
|
CLexer
florianlink
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r10 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. | ||||
** Copyright 2005 Roberto Raggi <roberto@kdevelop.org> | ||||
** | ||||
** This file is part of $PRODUCT$. | ||||
** | ||||
** $CPP_LICENSE$ | ||||
** | ||||
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | ||||
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||||
** | ||||
****************************************************************************/ | ||||
#ifndef PP_ITERATOR_H | ||||
#define PP_ITERATOR_H | ||||
#include <iterator> | ||||
namespace rpp { | ||||
class pp_null_output_iterator | ||||
: public std::iterator<std::output_iterator_tag, void, void, void, void> | ||||
{ | ||||
public: | ||||
pp_null_output_iterator() {} | ||||
template <typename _Tp> | ||||
pp_null_output_iterator &operator=(_Tp const &) | ||||
{ return *this; } | ||||
inline pp_null_output_iterator &operator * () { return *this; } | ||||
inline pp_null_output_iterator &operator ++ () { return *this; } | ||||
inline pp_null_output_iterator operator ++ (int) { return *this; } | ||||
}; | ||||
template <typename _Container> | ||||
class pp_output_iterator | ||||
: public std::iterator<std::output_iterator_tag, void, void, void, void> | ||||
{ | ||||
std::string &_M_result; | ||||
public: | ||||
explicit pp_output_iterator(std::string &__result): | ||||
_M_result (__result) {} | ||||
inline pp_output_iterator &operator=(typename _Container::const_reference __v) | ||||
{ | ||||
if (_M_result.capacity () == _M_result.size ()) | ||||
_M_result.reserve (_M_result.capacity () << 2); | ||||
_M_result.push_back(__v); | ||||
return *this; | ||||
} | ||||
inline pp_output_iterator &operator * () { return *this; } | ||||
inline pp_output_iterator &operator ++ () { return *this; } | ||||
inline pp_output_iterator operator ++ (int) { return *this; } | ||||
}; | ||||
} // namespace rpp | ||||
#endif // PP_ITERATOR_H | ||||
// kate: space-indent on; indent-width 2; replace-tabs on; | ||||