encoding.hpp
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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_LOCALE_ENCODING_HPP_INCLUDED
#define BOOST_LOCALE_ENCODING_HPP_INCLUDED
#include <boost/locale/config.hpp>
#include <boost/locale/encoding_errors.hpp>
#include <boost/locale/encoding_utf.hpp>
#include <boost/locale/info.hpp>
#include <boost/locale/util/string.hpp>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4275 4251 4231 4660)
#endif
namespace boost { namespace locale {
/// \brief Namespace that contains all functions related to character set conversion
namespace conv {
/// \defgroup codepage Character conversion functions
///
/// @{
/// convert text in range [begin,end) encoded with \a charset to UTF string according to policy \a how
template<typename CharType>
std::basic_string<CharType>
to_utf(const char* begin, const char* end, const std::string& charset, method_type how = default_method);
/// convert UTF text in range [begin,end) to a text encoded with \a charset according to policy \a how
template<typename CharType>
std::string from_utf(const CharType* begin,
const CharType* end,
const std::string& charset,
method_type how = default_method);
/// convert string to UTF string from text in range [begin,end) encoded according to locale \a loc according to
/// policy \a how
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::basic_string<CharType>
to_utf(const char* begin, const char* end, const std::locale& loc, method_type how = default_method)
{
return to_utf<CharType>(begin, end, std::use_facet<info>(loc).encoding(), how);
}
/// convert UTF text in range [begin,end) to a text encoded according to locale \a loc according to policy \a
/// how
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::string
from_utf(const CharType* begin, const CharType* end, const std::locale& loc, method_type how = default_method)
{
return from_utf(begin, end, std::use_facet<info>(loc).encoding(), how);
}
/// convert a string \a text encoded with \a charset to UTF string
template<typename CharType>
std::basic_string<CharType>
to_utf(const std::string& text, const std::string& charset, method_type how = default_method)
{
return to_utf<CharType>(text.c_str(), text.c_str() + text.size(), charset, how);
}
/// Convert a \a text from \a charset to UTF string
template<typename CharType>
std::string
from_utf(const std::basic_string<CharType>& text, const std::string& charset, method_type how = default_method)
{
return from_utf(text.c_str(), text.c_str() + text.size(), charset, how);
}
/// Convert a \a text from \a charset to UTF string
template<typename CharType>
std::basic_string<CharType>
to_utf(const char* text, const std::string& charset, method_type how = default_method)
{
return to_utf<CharType>(text, util::str_end(text), charset, how);
}
/// Convert a \a text from UTF to \a charset
template<typename CharType>
std::string from_utf(const CharType* text, const std::string& charset, method_type how = default_method)
{
return from_utf(text, util::str_end(text), charset, how);
}
/// Convert a \a text in locale encoding given by \a loc to UTF
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::basic_string<CharType>
to_utf(const std::string& text, const std::locale& loc, method_type how = default_method)
{
return to_utf<CharType>(text.c_str(), text.c_str() + text.size(), loc, how);
}
/// Convert a \a text in UTF to locale encoding given by \a loc
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::string
from_utf(const std::basic_string<CharType>& text, const std::locale& loc, method_type how = default_method)
{
return from_utf(text.c_str(), text.c_str() + text.size(), loc, how);
}
/// Convert a \a text in locale encoding given by \a loc to UTF
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::basic_string<CharType> to_utf(const char* text, const std::locale& loc, method_type how = default_method)
{
return to_utf<CharType>(text, util::str_end(text), loc, how);
}
/// Convert a \a text in UTF to locale encoding given by \a loc
///
/// \note throws std::bad_cast if the loc does not have \ref info facet installed
template<typename CharType>
std::string from_utf(const CharType* text, const std::locale& loc, method_type how = default_method)
{
return from_utf(text, util::str_end(text), loc, how);
}
/// Convert a text in range [begin,end) to \a to_encoding from \a from_encoding
BOOST_LOCALE_DECL
std::string between(const char* begin,
const char* end,
const std::string& to_encoding,
const std::string& from_encoding,
method_type how = default_method);
/// Convert a \a text to \a to_encoding from \a from_encoding
inline std::string between(const char* text,
const std::string& to_encoding,
const std::string& from_encoding,
method_type how = default_method)
{
return boost::locale::conv::between(text, util::str_end(text), to_encoding, from_encoding, how);
}
/// Convert a \a text to \a to_encoding from \a from_encoding
inline std::string between(const std::string& text,
const std::string& to_encoding,
const std::string& from_encoding,
method_type how = default_method)
{
return boost::locale::conv::between(text.c_str(),
text.c_str() + text.size(),
to_encoding,
from_encoding,
how);
}
/// \cond INTERNAL
template<>
BOOST_LOCALE_DECL std::basic_string<char>
to_utf(const char* begin, const char* end, const std::string& charset, method_type how);
template<>
BOOST_LOCALE_DECL std::string
from_utf(const char* begin, const char* end, const std::string& charset, method_type how);
template<>
BOOST_LOCALE_DECL std::basic_string<wchar_t>
to_utf(const char* begin, const char* end, const std::string& charset, method_type how);
template<>
BOOST_LOCALE_DECL std::string
from_utf(const wchar_t* begin, const wchar_t* end, const std::string& charset, method_type how);
#ifdef BOOST_LOCALE_ENABLE_CHAR16_T
template<>
BOOST_LOCALE_DECL std::basic_string<char16_t>
to_utf(const char* begin, const char* end, const std::string& charset, method_type how);
template<>
BOOST_LOCALE_DECL std::string
from_utf(const char16_t* begin, const char16_t* end, const std::string& charset, method_type how);
#endif
#ifdef BOOST_LOCALE_ENABLE_CHAR32_T
template<>
BOOST_LOCALE_DECL std::basic_string<char32_t>
to_utf(const char* begin, const char* end, const std::string& charset, method_type how);
template<>
BOOST_LOCALE_DECL std::string
from_utf(const char32_t* begin, const char32_t* end, const std::string& charset, method_type how);
#endif
/// \endcond
/// @}
} // namespace conv
}} // namespace boost::locale
#ifdef BOOST_MSVC
# pragma warning(pop)
#endif
#endif