(C++) WStrToStr

WStrToStr is a convert code snippet to convert a Wt::WString to std::string.


///WStrToStr converts a Wt::WString to std::string

//From http://www.richelbilderbeek.nl/CppWStrToStr.htm

const std::string WStrToStr(const Wt::WString& s)

{

  return std::string(s.toUTF8());

}

Technical facts

Application type(s)

Desktop application

Operating system(s) or programming environment(s)

Ubuntu 10.10 (maverick)

IDE(s):

Qt Creator 2.0.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.4.5

Libraries used:

STL: GNU ISO C++ Library, version 4.4.5
Wt: version 3.1.2

Qt project file: CppWString.pro


#-------------------------------------------------

#

# Project created by QtCreator 2011-04-16T10:24:05

#

#-------------------------------------------------

QT       += core

QT       -= gui

LIBS += -lwt

TARGET = CppWString

CONFIG   += console

CONFIG   -= app_bundle

TEMPLATE = app

SOURCES += main.cpp

main.cpp


#include <cassert>

#include <string>

#include <Wt/WString>



///StrToWStr converts a std::string to Wt::WString

//From http://www.richelbilderbeek.nl/CppStrToWStr.htm

const Wt::WString StrToWStr(const std::string& s)

{

  return Wt::WString(s);

}



///WStrToStr converts a Wt::WString to std::string

//From http://www.richelbilderbeek.nl/CppWStrToStr.htm

const std::string WStrToStr(const Wt::WString& s)

{

  return std::string(s.toUTF8());

}



int main()

{

  const Wt::WString s = "Hello World";

  const std::string t = WStrToStr(s);

  const Wt::WString u = StrToWStr(t);

  const std::string v = WStrToStr(u);



  assert(s == u);

  assert(t == v);

}

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