Added boost header
This commit is contained in:
Christophe Riccio
216
test/external/boost/iostreams/tee.hpp
vendored
Normal file
216
test/external/boost/iostreams/tee.hpp
vendored
Normal file
@@ -0,0 +1,216 @@
|
||||
// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
|
||||
// (C) Copyright 2005-2007 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_TEE_HPP_INCLUDED
|
||||
#define BOOST_IOSTREAMS_TEE_HPP_INCLUDED
|
||||
|
||||
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/config.hpp> // BOOST_DEDUCE_TYPENAME.
|
||||
#include <boost/iostreams/categories.hpp>
|
||||
#include <boost/iostreams/detail/adapter/device_adapter.hpp>
|
||||
#include <boost/iostreams/detail/adapter/filter_adapter.hpp>
|
||||
#include <boost/iostreams/detail/call_traits.hpp>
|
||||
#include <boost/iostreams/detail/execute.hpp>
|
||||
#include <boost/iostreams/detail/functional.hpp> // call_close_all
|
||||
#include <boost/iostreams/operations.hpp>
|
||||
#include <boost/iostreams/pipeline.hpp>
|
||||
#include <boost/iostreams/traits.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/type_traits/is_convertible.hpp>
|
||||
#include <boost/type_traits/is_same.hpp>
|
||||
|
||||
namespace boost { namespace iostreams {
|
||||
|
||||
//
|
||||
// Template name: tee_filter.
|
||||
// Template paramters:
|
||||
// Device - A blocking Sink.
|
||||
//
|
||||
template<typename Device>
|
||||
class tee_filter : public detail::filter_adapter<Device> {
|
||||
public:
|
||||
typedef typename detail::param_type<Device>::type param_type;
|
||||
typedef typename char_type_of<Device>::type char_type;
|
||||
struct category
|
||||
: dual_use_filter_tag,
|
||||
multichar_tag,
|
||||
closable_tag,
|
||||
flushable_tag,
|
||||
localizable_tag,
|
||||
optimally_buffered_tag
|
||||
{ };
|
||||
|
||||
BOOST_STATIC_ASSERT(is_device<Device>::value);
|
||||
BOOST_STATIC_ASSERT((
|
||||
is_convertible< // Using mode_of causes failures on VC6-7.0.
|
||||
BOOST_DEDUCED_TYPENAME iostreams::category_of<Device>::type, output
|
||||
>::value
|
||||
));
|
||||
|
||||
explicit tee_filter(param_type dev)
|
||||
: detail::filter_adapter<Device>(dev)
|
||||
{ }
|
||||
|
||||
template<typename Source>
|
||||
std::streamsize read(Source& src, char_type* s, std::streamsize n)
|
||||
{
|
||||
std::streamsize result = iostreams::read(src, s, n);
|
||||
if (result != -1) {
|
||||
std::streamsize result2 = iostreams::write(this->component(), s, result);
|
||||
(void) result2; // Suppress 'unused variable' warning.
|
||||
BOOST_ASSERT(result == result2);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
template<typename Sink>
|
||||
std::streamsize write(Sink& snk, const char_type* s, std::streamsize n)
|
||||
{
|
||||
std::streamsize result = iostreams::write(snk, s, n);
|
||||
std::streamsize result2 = iostreams::write(this->component(), s, result);
|
||||
(void) result2; // Suppress 'unused variable' warning.
|
||||
BOOST_ASSERT(result == result2);
|
||||
return result;
|
||||
}
|
||||
|
||||
template<typename Next>
|
||||
void close(Next&, BOOST_IOS::openmode)
|
||||
{
|
||||
detail::close_all(this->component());
|
||||
}
|
||||
|
||||
template<typename Sink>
|
||||
bool flush(Sink& snk)
|
||||
{
|
||||
bool r1 = iostreams::flush(snk);
|
||||
bool r2 = iostreams::flush(this->component());
|
||||
return r1 && r2;
|
||||
}
|
||||
};
|
||||
BOOST_IOSTREAMS_PIPABLE(tee_filter, 1)
|
||||
|
||||
//
|
||||
// Template name: tee_device.
|
||||
// Template paramters:
|
||||
// Device - A blocking Device.
|
||||
// Sink - A blocking Sink.
|
||||
//
|
||||
template<typename Device, typename Sink>
|
||||
class tee_device {
|
||||
public:
|
||||
typedef typename detail::param_type<Device>::type device_param;
|
||||
typedef typename detail::param_type<Sink>::type sink_param;
|
||||
typedef typename detail::value_type<Device>::type device_value;
|
||||
typedef typename detail::value_type<Sink>::type sink_value;
|
||||
typedef typename char_type_of<Device>::type char_type;
|
||||
typedef typename
|
||||
mpl::if_<
|
||||
is_convertible<
|
||||
BOOST_DEDUCED_TYPENAME
|
||||
iostreams::category_of<Device>::type,
|
||||
output
|
||||
>,
|
||||
output,
|
||||
input
|
||||
>::type mode;
|
||||
BOOST_STATIC_ASSERT(is_device<Device>::value);
|
||||
BOOST_STATIC_ASSERT(is_device<Sink>::value);
|
||||
BOOST_STATIC_ASSERT((
|
||||
is_same<
|
||||
char_type,
|
||||
BOOST_DEDUCED_TYPENAME char_type_of<Sink>::type
|
||||
>::value
|
||||
));
|
||||
BOOST_STATIC_ASSERT((
|
||||
is_convertible<
|
||||
BOOST_DEDUCED_TYPENAME iostreams::category_of<Sink>::type,
|
||||
output
|
||||
>::value
|
||||
));
|
||||
struct category
|
||||
: mode,
|
||||
device_tag,
|
||||
closable_tag,
|
||||
flushable_tag,
|
||||
localizable_tag,
|
||||
optimally_buffered_tag
|
||||
{ };
|
||||
tee_device(device_param device, sink_param sink)
|
||||
: dev_(device), sink_(sink)
|
||||
{ }
|
||||
std::streamsize read(char_type* s, std::streamsize n)
|
||||
{
|
||||
BOOST_STATIC_ASSERT((
|
||||
is_convertible<
|
||||
BOOST_DEDUCED_TYPENAME iostreams::category_of<Device>::type, input
|
||||
>::value
|
||||
));
|
||||
std::streamsize result1 = iostreams::read(dev_, s, n);
|
||||
if (result1 != -1) {
|
||||
std::streamsize result2 = iostreams::write(sink_, s, result1);
|
||||
(void) result1; // Suppress 'unused variable' warning.
|
||||
(void) result2;
|
||||
BOOST_ASSERT(result1 == result2);
|
||||
}
|
||||
return result1;
|
||||
}
|
||||
std::streamsize write(const char_type* s, std::streamsize n)
|
||||
{
|
||||
BOOST_STATIC_ASSERT((
|
||||
is_convertible<
|
||||
BOOST_DEDUCED_TYPENAME iostreams::category_of<Device>::type, output
|
||||
>::value
|
||||
));
|
||||
std::streamsize result1 = iostreams::write(dev_, s, n);
|
||||
std::streamsize result2 = iostreams::write(sink_, s, n);
|
||||
(void) result1; // Suppress 'unused variable' warning.
|
||||
(void) result2;
|
||||
BOOST_ASSERT(result1 == n && result2 == n);
|
||||
return n;
|
||||
}
|
||||
void close()
|
||||
{
|
||||
detail::execute_all( detail::call_close_all(dev_),
|
||||
detail::call_close_all(sink_) );
|
||||
}
|
||||
bool flush()
|
||||
{
|
||||
bool r1 = iostreams::flush(dev_);
|
||||
bool r2 = iostreams::flush(sink_);
|
||||
return r1 && r2;
|
||||
}
|
||||
template<typename Locale>
|
||||
void imbue(const Locale& loc)
|
||||
{
|
||||
iostreams::imbue(dev_, loc);
|
||||
iostreams::imbue(sink_, loc);
|
||||
}
|
||||
std::streamsize optimal_buffer_size() const
|
||||
{
|
||||
return (std::max) ( iostreams::optimal_buffer_size(dev_),
|
||||
iostreams::optimal_buffer_size(sink_) );
|
||||
}
|
||||
private:
|
||||
device_value dev_;
|
||||
sink_value sink_;
|
||||
};
|
||||
|
||||
template<typename Sink>
|
||||
tee_filter<Sink> tee(const Sink& snk)
|
||||
{ return tee_filter<Sink>(snk); }
|
||||
|
||||
template<typename Device, typename Sink>
|
||||
tee_device<Device, Sink> tee(const Device& dev, const Sink& sink)
|
||||
{ return tee_device<Device, Sink>(dev, sink); }
|
||||
|
||||
} } // End namespaces iostreams, boost.
|
||||
|
||||
#endif // #ifndef BOOST_IOSTREAMS_TEE_HPP_INCLUDED
|
||||
Reference in New Issue
Block a user