mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-23 05:13:04 +03:00
115 lines
3.7 KiB
C++
Executable File
115 lines
3.7 KiB
C++
Executable File
// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
|
|
// (C) Copyright 2003-2007 Jonathan Turkanis
|
|
// 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/libs/iostreams for documentation.
|
|
|
|
#ifndef BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED
|
|
#define BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED
|
|
|
|
#if defined(_MSC_VER)
|
|
# pragma once
|
|
#endif
|
|
|
|
#include <boost/config.hpp> // BOOST_MSVC.
|
|
#include <boost/detail/workaround.hpp>
|
|
#include <boost/iostreams/detail/template_params.hpp>
|
|
#include <boost/iostreams/traits.hpp>
|
|
#include <boost/mpl/bool.hpp>
|
|
#include <boost/preprocessor/punctuation/comma_if.hpp>
|
|
#include <boost/preprocessor/repetition/enum_params.hpp>
|
|
#include <boost/static_assert.hpp>
|
|
|
|
#define BOOST_IOSTREAMS_PIPABLE(filter, arity) \
|
|
template< BOOST_PP_ENUM_PARAMS(arity, typename T) \
|
|
BOOST_PP_COMMA_IF(arity) typename Component> \
|
|
::boost::iostreams::pipeline< \
|
|
::boost::iostreams::detail::pipeline_segment< \
|
|
filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T) \
|
|
>, \
|
|
Component \
|
|
> operator|( const filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T)& f, \
|
|
const Component& c ) \
|
|
{ \
|
|
typedef ::boost::iostreams::detail::pipeline_segment< \
|
|
filter BOOST_IOSTREAMS_TEMPLATE_ARGS(arity, T) \
|
|
> segment; \
|
|
return ::boost::iostreams::pipeline<segment, Component> \
|
|
(segment(f), c); \
|
|
} \
|
|
/**/
|
|
|
|
namespace boost { namespace iostreams {
|
|
|
|
template<typename Pipeline, typename Component>
|
|
struct pipeline;
|
|
|
|
namespace detail {
|
|
|
|
#if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
|
|
template<typename T>
|
|
struct is_pipeline : mpl::false_ { };
|
|
|
|
template<typename Pipeline, typename Component>
|
|
struct is_pipeline< pipeline<Pipeline, Component> > : mpl::true_ { };
|
|
#endif
|
|
|
|
template<typename Component>
|
|
class pipeline_segment
|
|
{
|
|
public:
|
|
pipeline_segment(const Component& component)
|
|
: component_(component)
|
|
{ }
|
|
template<typename Fn>
|
|
void for_each(Fn fn) const { fn(component_); }
|
|
template<typename Chain>
|
|
void push(Chain& chn) const { chn.push(component_); }
|
|
private:
|
|
pipeline_segment operator=(const pipeline_segment&);
|
|
const Component& component_;
|
|
};
|
|
|
|
} // End namespace detail.
|
|
|
|
//------------------Definition of Pipeline------------------------------------//
|
|
|
|
template<typename Pipeline, typename Component>
|
|
struct pipeline : Pipeline {
|
|
typedef Pipeline pipeline_type;
|
|
typedef Component component_type;
|
|
pipeline(const Pipeline& p, const Component& component)
|
|
: Pipeline(p), component_(component)
|
|
{ }
|
|
template<typename Fn>
|
|
void for_each(Fn fn) const
|
|
{
|
|
Pipeline::for_each(fn);
|
|
fn(component_);
|
|
}
|
|
template<typename Chain>
|
|
void push(Chain& chn) const
|
|
{
|
|
Pipeline::push(chn);
|
|
chn.push(component_);
|
|
}
|
|
const Pipeline& tail() const { return *this; }
|
|
const Component& head() const { return component_; }
|
|
private:
|
|
pipeline operator=(const pipeline&);
|
|
const Component& component_;
|
|
};
|
|
|
|
template<typename Pipeline, typename Filter, typename Component>
|
|
pipeline<pipeline<Pipeline, Filter>, Component>
|
|
operator|(const pipeline<Pipeline, Filter>& p, const Component& cmp)
|
|
{
|
|
BOOST_STATIC_ASSERT(is_filter<Filter>::value);
|
|
return pipeline<pipeline<Pipeline, Filter>, Component>(p, cmp);
|
|
}
|
|
|
|
} } // End namespaces iostreams, boost.
|
|
|
|
#endif // #ifndef BOOST_IOSTREAMS_PIPABLE_HPP_INCLUDED
|