/usr/include/boost/iostreams
Edit: /usr/include/boost/iostreams/checked_operations.hpp (4899B)
// (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.
// Contains implementations of get, read, put, write and seek which
// check a device's mode at runtime instead of compile time.
#ifndef BOOST_IOSTREAMS_DETAIL_CHECKED_OPERATIONS_HPP_INCLUDED
#define BOOST_IOSTREAMS_DETAIL_CHECKED_OPERATIONS_HPP_INCLUDED
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
// Must come last.
#include // MSVC.
namespace boost { namespace iostreams {
namespace detail {
template
struct read_write_if_impl;
template
struct seek_if_impl;
} // End namespace detail.
template
typename int_type_of::type get_if(T& t)
{
typedef typename detail::dispatch::type tag;
return detail::read_write_if_impl::get(t);
}
template
inline std::streamsize
read_if(T& t, typename char_type_of::type* s, std::streamsize n)
{
typedef typename detail::dispatch::type tag;
return detail::read_write_if_impl::read(t, s, n);
}
template
bool put_if(T& t, typename char_type_of::type c)
{
typedef typename detail::dispatch::type tag;
return detail::read_write_if_impl::put(t, c);
}
template
inline std::streamsize write_if
(T& t, const typename char_type_of::type* s, std::streamsize n)
{
typedef typename detail::dispatch::type tag;
return detail::read_write_if_impl::write(t, s, n);
}
template
inline std::streampos
seek_if( T& t, stream_offset off, BOOST_IOS::seekdir way,
BOOST_IOS::openmode which = BOOST_IOS::in | BOOST_IOS::out )
{
using namespace detail;
typedef typename dispatch::type tag;
return seek_if_impl::seek(t, off, way, which);
}
namespace detail {
//------------------Specializations of read_write_if_impl---------------------//
template<>
struct read_write_if_impl {
template
static typename int_type_of::type get(T& t)
{ return iostreams::get(t); }
template
static std::streamsize
read(T& t, typename char_type_of::type* s, std::streamsize n)
{ return iostreams::read(t, s, n); }
template
static bool put(T&, typename char_type_of::type)
{ boost::throw_exception(cant_write());
BOOST_IOSTREAMS_UNREACHABLE_RETURN(false) }
template
static std::streamsize
write(T&, const typename char_type_of::type*, std::streamsize)
{ boost::throw_exception(cant_write());
BOOST_IOSTREAMS_UNREACHABLE_RETURN(0) }
};
template<>
struct read_write_if_impl