add a concept of an 8 bit string class for testing and experimentation.

#include <stdio.h>

#include <string>

#include <wx/string.h>

/**

 * Class UTF8

 * is an 8 bit std::string assuredly encoded in UTF8 that supplies special

 * conversion support to and from wxString.

 */

class UTF8 : public std::string

{

public:

    UTF8( const wxString& o ) :

        std::string( (const char*) o.utf8_str() )

    {

    }

    UTF8( const char* txt ) :

        std::string( txt )

    {

    }

    UTF8( const std::string& o ) :

        std::string( o )

    {

    }

    UTF8() :

        std::string()

    {

    }

    UTF8& operator = ( const wxString& o )

    {

        std::string::operator=( (const char*) o.utf8_str() );

    }

    operator wxString () const

    {

        return wxString( c_str(), wxConvUTF8 );

    }

};

void aFunctionTaking_wxString( const wxString& wx )

{

    printf( "%s: '%s'\n", __func__, UTF8( wx ).c_str() );

}

int main()

{

    UTF8        utf;

    std::string str = "input";

    wxString    wx = wxT( "input" );

    utf = str;

    wxString    wx2 = utf;

    UTF8        utf2 = wx2;

    printf( "here is some text:%s\n", utf2.c_str() );

    // this is the key accomplishment here, passing a UTF8 to a function taking wxString:

    aFunctionTaking_wxString( utf2 );

    return 0;

}