// Copyright (c) 2016 Klemens D. Morgenstern // // 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 BOOST_PROCESS_DETAIL_TRAITS_WCHAR_T_HPP_ #define BOOST_PROCESS_DETAIL_TRAITS_WCHAR_T_HPP_ #include <algorithm> #include <boost/process/detail/traits/decl.hpp> #include <boost/process/detail/traits/cmd_or_exe.hpp> #include <boost/process/detail/traits/env.hpp> #include <boost/process/locale.hpp> namespace boost { namespace process { namespace detail { //template template<typename T> struct is_wchar_t : std::false_type {}; template<> struct is_wchar_t<boost::filesystem::path> : std::is_same<typename boost::filesystem::path::value_type, wchar_t> { }; template<> struct is_wchar_t<const wchar_t* > : std::true_type {}; template<> struct is_wchar_t<wchar_t* > : std::true_type {}; template<std::size_t Size> struct is_wchar_t<const wchar_t [Size]> : std::true_type {}; template<std::size_t Size> struct is_wchar_t<const wchar_t (&)[Size]> : std::true_type {}; template<> struct is_wchar_t<std::wstring> : std::true_type {}; template<> struct is_wchar_t<std::vector<std::wstring>> : std::true_type {}; template<> struct is_wchar_t<std::initializer_list<std::wstring>> : std::true_type {}; template<> struct is_wchar_t<std::vector<wchar_t *>> : std::true_type {}; template<> struct is_wchar_t<std::initializer_list<wchar_t *>> : std::true_type {}; template<typename Char, typename T> struct char_converter { static T& conv(T & in) { return in; } static T&& conv(T&& in) { return std::move(in); } static const T& conv(const T & in) { return in; } }; template<typename Char, typename T> using char_converter_t = char_converter<Char, typename std::remove_cv<typename std::remove_reference<T>::type>::type>; template<> struct char_converter<char, const wchar_t*> { static std::string conv(const wchar_t* in) { std::size_t size = 0; while (in[size] != L'\0') size++; return ::boost::process::detail::convert(in, in + size); } }; template<> struct char_converter<char, wchar_t*> { static std::string conv(wchar_t* in) { std::size_t size = 0; while (in[size] != L'\0') size++; return ::boost::process::detail::convert(in, in + size); } }; template<std::size_t Size> struct char_converter<char, wchar_t[Size]> { static std::string conv(const wchar_t(&in)[Size]) { return ::boost::process::detail::convert(in, in + Size -1); } }; template<> struct char_converter<wchar_t, const char*> { static std::wstring conv(const char* in) { std::size_t size = 0; while (in[size] != '\0') size++; return ::boost::process::detail::convert(in, in + size); } }; template<> struct char_converter<wchar_t, char*> { static std::wstring conv(char* in) { std::size_t size = 0; while (in[size] != '\0') size++; return ::boost::process::detail::convert(in, in + size); } }; template<std::size_t Size> struct char_converter<wchar_t, char[Size]> { static std::wstring conv(const char(&in)[Size]) { return ::boost::process::detail::convert(in, in + Size -1); } }; //all the containers. template<> struct char_converter<wchar_t, std::string> { static std::wstring conv(const std::string & in) { return ::boost::process::detail::convert(in); } }; template<> struct char_converter<char, std::wstring> { static std::string conv(const std::wstring & in) { return ::boost::process::detail::convert(in); } }; template<> struct char_converter<wchar_t, std::vector<std::string>> { static std::vector<std::wstring> conv(const std::vector<std::string> & in) { std::vector<std::wstring> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const std::string & st) { return convert(st); }); return ret; } }; template<> struct char_converter<wchar_t, std::initializer_list<std::string>> { static std::vector<std::wstring> conv(const std::initializer_list<std::string> & in) { std::vector<std::wstring> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const std::string & st) { return convert(st); }); return ret; } }; template<> struct char_converter<wchar_t, std::vector<char* >> { static std::vector<std::wstring> conv(const std::vector<char* > & in) { std::vector<std::wstring> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const char* st) { std::size_t sz = 0; while (st[sz] != '\0') sz++; return convert(st, st + sz); }); return ret; } }; template<> struct char_converter<wchar_t, std::initializer_list<char *>> { static std::vector<std::wstring> conv(const std::initializer_list<char * > & in) { std::vector<std::wstring> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const char* st) { std::size_t sz = 0; while (st[sz] != '\0') sz++; return convert(st, st + sz); }); return ret; } }; template<> struct char_converter<char, std::vector<std::wstring>> { static std::vector<std::string> conv(const std::vector<std::wstring> & in) { std::vector<std::string> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const std::wstring & st) { return convert(st); }); return ret; } }; template<> struct char_converter<char, std::initializer_list<std::wstring>> { static std::vector<std::string> conv(const std::initializer_list<std::wstring> & in) { std::vector<std::string> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const std::wstring & st) { return convert(st); }); return ret; } }; template<> struct char_converter<char, std::vector<wchar_t* >> { static std::vector<std::string> conv(const std::vector<wchar_t* > & in) { std::vector<std::string> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const wchar_t* st) { std::size_t sz = 0; while (st[sz] != L'\0') sz++; return convert(st, st + sz); }); return ret; } }; template<> struct char_converter<char, std::initializer_list<wchar_t * >> { static std::vector<std::string> conv(const std::initializer_list<wchar_t *> & in) { std::vector<std::string> ret(in.size()); std::transform(in.begin(), in.end(), ret.begin(), [](const wchar_t* st) { std::size_t sz = 0; while (st[sz] != L'\0') sz++; return convert(st, st + sz); }); return ret; } }; }}} #endif /* BOOST_PROCESS_DETAIL_TRAITS_WCHAR_T_HPP_ */