A File Checksum Shell Menu Extension DLL

#ifndef __STDSTRING_HELPER_H_
#define __STDSTRING_HELPER_H_

#pragma warning ( push, 1 )
#include <iostream>     // cin, cout, cerr
#include <sstream>      // new and improved
#include <string>       // string
#include <locale>       // narrow to wide, wide to narrow
#include <cctype>       // toupper, tolower
#include <algorithm>    // transform
#pragma warning( pop )

#ifdef UNICODE
#  define _tcout wcout
#  define _tcerr wcerr
#  define _tcin  wcin
#  define _tclog wclog
#else
#  define _tcout cout
#  define _tcerr cerr
#  define _tcin  cin
#  define _tclog clog
#endif

#ifdef UNICODE
#  define _tstringbuf     wstringbuf
#  define _tistringstream wistringstream
#  define _tostringstream wostringstream
#else
#  define _tstringbuf     stringbuf
#  define _tistringstream istringstream
#  define _tostringstream ostringstream
#endif

#ifdef UNICODE
#  define _tstring wstring
#else
#  define _tstring string
#endif

std::wstring StringWiden( const std::string& narrow );
std::string  StringNarrow( const std::wstring& wide );

std::wstring StringUpper( const std::wstring& wide );
std::string  StringUpper( const std::string& wide );

std::wstring StringLower( const std::wstring& wide );
std::string  StringLower( const std::string& wide );

#endif // __STDSTRING_HELPER_H_