kicad/thirdparty/turtle/turtle/stream.hpp

115 lines
2.8 KiB
C++

// http://turtle.sourceforge.net
//
// Copyright Mathieu Champlon 2011
//
// 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)
#ifndef MOCK_STREAM_HPP_INCLUDED
#define MOCK_STREAM_HPP_INCLUDED
#include "config.hpp"
#include <memory>
#include <ostream>
namespace mock {
struct stream
{
explicit stream(std::ostream& s) : s_(&s) {}
std::ostream* s_;
};
#ifdef MOCK_USE_CONVERSIONS
namespace detail { namespace conversion {
struct sink
{
template<typename T>
sink(const T&)
{}
};
inline std::ostream& operator<<(std::ostream& s, const sink&) { return s << '?'; }
struct holder
{
holder() = default;
holder(const holder&) = delete;
holder& operator=(const holder&) = delete;
virtual ~holder() = default;
virtual void serialize(std::ostream& s) const = 0;
};
template<typename T>
struct holder_imp : holder
{
explicit holder_imp(const T& t) : t_(t) {}
virtual void serialize(std::ostream& s) const
{
// if an error about an ambiguous conversion is generated by the
// line below the solution is to add a serialization operator to a
// mock::stream for T
s << t_;
}
const T& t_;
};
struct any
{
template<typename T>
any(const T& t) : h_(std::make_unique<holder_imp<T>>(t))
{}
std::unique_ptr<holder> h_;
};
}} // namespace detail::conversion
inline stream& operator<<(stream& s, const detail::conversion::any& d)
{
d.h_->serialize(*s.s_);
return s;
}
#else // MOCK_USE_CONVERSIONS
namespace detail { namespace conversion {
template<typename S, typename T>
S& operator<<(S& s, const T&)
{
return s << '?';
}
}} // namespace detail::conversion
template<typename T>
stream& operator<<(stream& s, const T& t)
{
using namespace detail::conversion;
*s.s_ << t;
return s;
}
#endif // MOCK_USE_CONVERSIONS
namespace detail {
template<typename T>
void serialize(stream& s, const T& t)
{
// if an error about an ambiguous conversion is generated by the
// line below the solution is to add a serialization operator to a
// mock::stream for T
s << t;
}
inline void serialize(stream& s, bool b) { s << (b ? "true" : "false"); }
template<typename C, typename T, typename A>
void serialize(stream& s, const std::basic_string<C, T, A>& str)
{
s << '"' << str << '"';
}
inline void serialize(stream& s, const char* const str) { s << '"' << str << '"'; }
inline void serialize(stream& s, unsigned char c) { s << static_cast<int>(c); }
} // namespace detail
} // namespace mock
#endif // MOCK_STREAM_HPP_INCLUDED