ext-boost/boost/algorithm/string/detail/formatter.hpp
2019-08-24 15:39:04 +02:00

120 lines
3.7 KiB
C++

// Boost string_algo library formatter.hpp header file ---------------------------//
// Copyright Pavol Droba 2002-2003.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_STRING_FORMATTER_DETAIL_HPP
#define BOOST_STRING_FORMATTER_DETAIL_HPP
#include <boost/range/iterator_range_core.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/const_iterator.hpp>
#include <boost/algorithm/string/detail/util.hpp>
// generic replace functors -----------------------------------------------//
namespace boost {
namespace algorithm {
namespace detail {
// const format functor ----------------------------------------------------//
// constant format functor
template<typename RangeT>
struct const_formatF
{
private:
typedef BOOST_STRING_TYPENAME
range_const_iterator<RangeT>::type format_iterator;
typedef iterator_range<format_iterator> result_type;
public:
// Construction
const_formatF(const RangeT& Format) :
m_Format(::boost::begin(Format), ::boost::end(Format)) {}
// Operation
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
template<typename Range2T>
result_type& operator()(const Range2T&)
{
return m_Format;
}
#endif
template<typename Range2T>
const result_type& operator()(const Range2T&) const
{
return m_Format;
}
private:
result_type m_Format;
};
// identity format functor ----------------------------------------------------//
// identity format functor
template<typename RangeT>
struct identity_formatF
{
// Operation
template< typename Range2T >
const RangeT& operator()(const Range2T& Replace) const
{
return RangeT(::boost::begin(Replace), ::boost::end(Replace));
}
};
// empty format functor ( used by erase ) ------------------------------------//
// empty format functor
template< typename CharT >
struct empty_formatF
{
template< typename ReplaceT >
empty_container<CharT> operator()(const ReplaceT&) const
{
return empty_container<CharT>();
}
};
// dissect format functor ----------------------------------------------------//
// dissect format functor
template<typename FinderT>
struct dissect_formatF
{
public:
// Construction
dissect_formatF(FinderT Finder) :
m_Finder(Finder) {}
// Operation
template<typename RangeT>
inline iterator_range<
BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type>
operator()(const RangeT& Replace) const
{
return m_Finder(::boost::begin(Replace), ::boost::end(Replace));
}
private:
FinderT m_Finder;
};
} // namespace detail
} // namespace algorithm
} // namespace boost
#endif // BOOST_STRING_FORMATTER_DETAIL_HPP