Re: [Boost-users] program_options and unicode

From: Vladimir Prus (ghost_at_[hidden])
Date: 2007-07-13 11:10:22

zh wrote:

> Greetings.

> po::options_description hidden("Hidden options");
> hidden.add_options()
> ("opt4", po::value<string>(), "opt4")
> ;
......
> po::variables_map vm;
> po::store(po::command_line_parser(argc,
> argv).options(all_options).positional(pos).run(), vm);
> po::notify(vm);
> 
> Now I want to replace char* argv[] with wchar_t* in order to pass a
> Unicode file name to a Win32 SDK function CreateFile(). What would be,
> in your opinion, an appropriate course of action? I thank you in advance.

1. Replace 

        char* argv[]

with 

        wchar_t *arv[].

(And modify whatever IDE/compiler settings are necessary to enable wchar_t main).

2. Use 'wstring' as the type of your options, not 'string'. 

Then, everything is supposed to work.

- Volodya