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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// 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)
//
#define BOOST_LOCALE_SOURCE
#include <boost/config.hpp>
#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
#define BOOST_LOCALE_WITH_WCONV
#endif
#ifdef BOOST_LOCALE_WITH_ICONV
#include "iconv_codepage.ipp"
#endif
#ifdef BOOST_LOCALE_WITH_ICU
#include "uconv_codepage.ipp"
#endif
#ifdef BOOST_LOCALE_WITH_WCONV
#include "wconv_codepage.ipp"
#endif
#include <boost/locale/encoding.hpp>
#include <string>
#include <cstring>
#include <memory>
namespace boost {
namespace locale {
namespace conv {
namespace impl {
std::string convert_between(char const *begin,
char const *end,
char const *to_charset,
char const *from_charset,
method_type how)
{
std::auto_ptr<converter_between> cvt;
#ifdef BOOST_LOCALE_WITH_ICONV
cvt.reset(new iconv_between());
if(cvt->open(to_charset,from_charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_ICU
cvt.reset(new uconv_between());
if(cvt->open(to_charset,from_charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_WCONV
cvt.reset(new wconv_between());
if(cvt->open(to_charset,from_charset,how))
return cvt->convert(begin,end);
#endif
throw invalid_charset_error(std::string(to_charset) + " or " + from_charset);
}
template<typename CharType>
std::basic_string<CharType> convert_to(
char const *begin,
char const *end,
char const *charset,
method_type how)
{
std::auto_ptr<converter_to_utf<CharType> > cvt;
#ifdef BOOST_LOCALE_WITH_ICONV
cvt.reset(new iconv_to_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_ICU
cvt.reset(new uconv_to_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_WCONV
cvt.reset(new wconv_to_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
throw invalid_charset_error(charset);
}
template<typename CharType>
std::string convert_from(
CharType const *begin,
CharType const *end,
char const *charset,
method_type how)
{
std::auto_ptr<converter_from_utf<CharType> > cvt;
#ifdef BOOST_LOCALE_WITH_ICONV
cvt.reset(new iconv_from_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_ICU
cvt.reset(new uconv_from_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
#ifdef BOOST_LOCALE_WITH_WCONV
cvt.reset(new wconv_from_utf<CharType>());
if(cvt->open(charset,how))
return cvt->convert(begin,end);
#endif
throw invalid_charset_error(charset);
}
std::string normalize_encoding(char const *ccharset)
{
std::string charset;
charset.reserve(std::strlen(ccharset));
while(*ccharset!=0) {
char c=*ccharset++;
if('0' <= c && c<= '9')
charset+=c;
else if('a' <=c && c <='z')
charset+=c;
else if('A' <=c && c <='Z')
charset+=char(c-'A'+'a');
}
return charset;
}
} // impl
using namespace impl;
std::string between(char const *begin,char const *end,
std::string const &to_charset,std::string const &from_charset,method_type how)
{
return convert_between(begin,end,to_charset.c_str(),from_charset.c_str(),how);
}
template<>
std::basic_string<char> to_utf(char const *begin,char const *end,std::string const &charset,method_type how)
{
return convert_to<char>(begin,end,charset.c_str(),how);
}
template<>
std::string from_utf(char const *begin,char const *end,std::string const &charset,method_type how)
{
return convert_from<char>(begin,end,charset.c_str(),how);
}
template<>
std::basic_string<wchar_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how)
{
return convert_to<wchar_t>(begin,end,charset.c_str(),how);
}
template<>
std::string from_utf(wchar_t const *begin,wchar_t const *end,std::string const &charset,method_type how)
{
return convert_from<wchar_t>(begin,end,charset.c_str(),how);
}
#ifdef BOOST_HAS_CHAR16_T
template<>
std::basic_string<char16_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how)
{
return convert_to<char16_t>(begin,end,charset.c_str(),how);
}
template<>
std::string from_utf(char16_t const *begin,char16_t const *end,std::string const &charset,method_type how)
{
return convert_from<char16_t>(begin,end,charset.c_str(),how);
}
#endif
#ifdef BOOST_HAS_CHAR32_T
template<>
std::basic_string<char32_t> to_utf(char const *begin,char const *end,std::string const &charset,method_type how)
{
return convert_to<char32_t>(begin,end,charset.c_str(),how);
}
template<>
std::string from_utf(char32_t const *begin,char32_t const *end,std::string const &charset,method_type how)
{
return convert_from<char32_t>(begin,end,charset.c_str(),how);
}
#endif
}
}
}
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4