cast_unicode_inl.h File Reference

Copyright 2005-2020 Pierre-Henri WUILLEMIN() & Christophe GONZALES() info_at_agrum_dot_org. More...

#include <iostream>
#include <locale>
#include <sstream>
#include <string>
#include <agrum/tools/core/cast_unicode.h>

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Functions
INLINE std::wstring	widen (const std::string &str)
	Cast a std::string into a std::wstring. More...
INLINE std::string	narrow (const std::wstring &str)
	Cast a std::wstring into a std::string. More...

Detailed Description

Copyright 2005-2020 Pierre-Henri WUILLEMIN() & Christophe GONZALES() info_at_agrum_dot_org.

This library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library. If not, see http://www.gnu.org/licenses/.

Unicode helper functions.

Author

Christophe GONZALES() and Pierre-Henri WUILLEMIN()

Definition in file cast_unicode_inl.h.

Function Documentation

narrow()

INLINE std::string narrow

(

const std::wstring &

str

)

Cast a std::wstring into a std::string.

Parameters

str	The std::wstring to cast.

Returns

Returns the std::string of str.

Definition at line 51 of file cast_unicode_inl.h.

                                               {
  std::ostringstream        stm;
  const std::ctype< char >& ctfacet
     = std::use_facet< std::ctype< char > >(stm.getloc());

  for (std::size_t i = 0; i < str.size(); ++i) {
    stm << ctfacet.narrow(str[i], 0);
  }

  return stm.str();
}

widen()

INLINE std::wstring widen

(

const std::string &

str

)

Cast a std::string into a std::wstring.

Parameters

str	The std::string to cast.

Returns

Returns the std::wstring of str.

Definition at line 39 of file cast_unicode_inl.h.

                                              {
  std::wostringstream          wstm;
  const std::ctype< wchar_t >& ctfacet
     = std::use_facet< std::ctype< wchar_t > >(wstm.getloc());

  for (size_t i = 0; i < str.size(); ++i) {
    wstm << ctfacet.widen(str[i]);
  }

  return wstm.str();
}