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Current File : //proc/thread-self/root/usr/include/boost/nowide/convert.hpp

//
//  Copyright (c) 2012 Artyom Beilis (Tonkikh)
//
//  Distributed under the Boost Software License, Version 1.0. (See
//  accompanying file LICENSE or copy at
//  http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_NOWIDE_CONVERT_HPP_INCLUDED
#define BOOST_NOWIDE_CONVERT_HPP_INCLUDED

#include <boost/nowide/utf/convert.hpp>
#include <string>

namespace boost {
namespace nowide {

    ///
    /// Convert wide string (UTF-16/32) in range [begin,end) to NULL terminated narrow string (UTF-8)
    /// stored in \a output of size \a output_size (including NULL)
    ///
    /// If there is not enough room NULL is returned, else output is returned.
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline char* narrow(char* output, size_t output_size, const wchar_t* begin, const wchar_t* end)
    {
        return utf::convert_buffer(output, output_size, begin, end);
    }
    ///
    /// Convert NULL terminated wide string (UTF-16/32) to NULL terminated narrow string (UTF-8)
    /// stored in \a output of size \a output_size (including NULL)
    ///
    /// If there is not enough room NULL is returned, else output is returned.
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline char* narrow(char* output, size_t output_size, const wchar_t* source)
    {
        return narrow(output, output_size, source, source + utf::strlen(source));
    }

    ///
    /// Convert narrow string (UTF-8) in range [begin,end) to NULL terminated wide string (UTF-16/32)
    /// stored in \a output of size \a output_size (including NULL)
    ///
    /// If there is not enough room NULL is returned, else output is returned.
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline wchar_t* widen(wchar_t* output, size_t output_size, const char* begin, const char* end)
    {
        return utf::convert_buffer(output, output_size, begin, end);
    }
    ///
    /// Convert NULL terminated narrow string (UTF-8) to NULL terminated wide string (UTF-16/32)
    /// most output_size (including NULL)
    ///
    /// If there is not enough room NULL is returned, else output is returned.
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline wchar_t* widen(wchar_t* output, size_t output_size, const char* source)
    {
        return widen(output, output_size, source, source + utf::strlen(source));
    }

    ///
    /// Convert wide string (UTF-16/32) to narrow string (UTF-8).
    ///
    /// \param s Input string
    /// \param count Number of characters to convert
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::string narrow(const wchar_t* s, size_t count)
    {
        return utf::convert_string<char>(s, s + count);
    }
    ///
    /// Convert wide string (UTF-16/32) to narrow string (UTF-8).
    ///
    /// \param s NULL terminated input string
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::string narrow(const wchar_t* s)
    {
        return narrow(s, utf::strlen(s));
    }
    ///
    /// Convert wide string (UTF-16/32) to narrow string (UTF-8).
    ///
    /// \param s Input string
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::string narrow(const std::wstring& s)
    {
        return narrow(s.c_str(), s.size());
    }

    ///
    /// Convert narrow string (UTF-8) to wide string (UTF-16/32).
    ///
    /// \param s Input string
    /// \param count Number of characters to convert
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::wstring widen(const char* s, size_t count)
    {
        return utf::convert_string<wchar_t>(s, s + count);
    }
    ///
    /// Convert narrow string (UTF-8) to wide string (UTF-16/32).
    ///
    /// \param s NULL terminated input string
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::wstring widen(const char* s)
    {
        return widen(s, utf::strlen(s));
    }
    ///
    /// Convert narrow string (UTF-8) to wide string (UTF-16/32).
    ///
    /// \param s Input string
    /// Any illegal sequences are replaced with the replacement character, see #BOOST_NOWIDE_REPLACEMENT_CHARACTER
    ///
    inline std::wstring widen(const std::string& s)
    {
        return widen(s.c_str(), s.size());
    }
} // namespace nowide
} // namespace boost

#endif

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