Chris@16: // Copyright Vladimir Prus 2004.
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: // (See accompanying file LICENSE_1_0.txt
Chris@16: // or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_PARSERS_HPP_VP_2004_05_06
Chris@16: #define BOOST_PARSERS_HPP_VP_2004_05_06
Chris@16: 
Chris@16: #include <boost/program_options/detail/convert.hpp>
Chris@16: 
Chris@16: #include <iterator>
Chris@16: 
Chris@16: namespace boost { namespace program_options {
Chris@16: 
Chris@16:     namespace detail {
Chris@16:         template<class charT, class Iterator>
Chris@16:         std::vector<std::basic_string<charT> > 
Chris@16:         make_vector(Iterator i, Iterator e)
Chris@16:         {
Chris@16:             std::vector<std::basic_string<charT> > result;
Chris@16:             // Some compilers don't have templated constructor for 
Chris@16:             // vector, so we can't create vector from (argv+1, argv+argc) range
Chris@16:             for(; i != e; ++i)
Chris@16:                 result.push_back(*i);
Chris@16:             return result;            
Chris@16:         }
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>::
Chris@16:     basic_command_line_parser(const std::vector<
Chris@16:                               std::basic_string<charT> >& xargs)
Chris@16:        : detail::cmdline(to_internal(xargs))
Chris@16:     {}
Chris@16: 
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>::
Chris@16:     basic_command_line_parser(int argc, const charT* const argv[])
Chris@16:     : detail::cmdline(
Chris@16:         // Explicit template arguments are required by gcc 3.3.1 
Chris@16:         // (at least mingw version), and do no harm on other compilers.
Chris@16:         to_internal(detail::make_vector<charT, const charT* const*>(argv+1, argv+argc+!argc)))
Chris@16:     {}
Chris@16: 
Chris@16:     
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::options(const options_description& desc)
Chris@16:     {
Chris@16:        detail::cmdline::set_options_description(desc);
Chris@16:         m_desc = &desc;
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::positional(
Chris@16:         const positional_options_description& desc)
Chris@16:     {
Chris@16:         detail::cmdline::set_positional_options(desc);
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::style(int xstyle)
Chris@16:     {
Chris@16:         detail::cmdline::style(xstyle);
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::extra_parser(ext_parser ext)
Chris@16:     {
Chris@16:         detail::cmdline::set_additional_parser(ext);
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::allow_unregistered()
Chris@16:     {
Chris@16:         detail::cmdline::allow_unregistered();
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_command_line_parser<charT>& 
Chris@16:     basic_command_line_parser<charT>::extra_style_parser(style_parser s)
Chris@16:     {
Chris@16:         detail::cmdline::extra_style_parser(s);
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16:     template<class charT>    
Chris@16:     basic_parsed_options<charT>
Chris@16:     basic_command_line_parser<charT>::run()
Chris@16:     {
Chris@16:         // save the canonical prefixes which were used by this cmdline parser
Chris@16:         //    eventually inside the parsed results
Chris@16:         //    This will be handy to format recognisable options
Chris@16:         //    for diagnostic messages if everything blows up much later on
Chris@16:         parsed_options result(m_desc, detail::cmdline::get_canonical_option_prefix());
Chris@16:         result.options = detail::cmdline::run();
Chris@16: 
Chris@16:         // Presense of parsed_options -> wparsed_options conversion
Chris@16:         // does the trick.
Chris@16:         return basic_parsed_options<charT>(result);
Chris@16:     }
Chris@16: 
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     basic_parsed_options<charT>
Chris@16:     parse_command_line(int argc, const charT* const argv[],
Chris@16:                        const options_description& desc,
Chris@16:                        int style,
Chris@16:                        function1<std::pair<std::string, std::string>, 
Chris@16:                                  const std::string&> ext)
Chris@16:     {
Chris@16:         return basic_command_line_parser<charT>(argc, argv).options(desc).
Chris@16:             style(style).extra_parser(ext).run();
Chris@16:     }
Chris@16: 
Chris@16:     template<class charT>
Chris@16:     std::vector< std::basic_string<charT> > 
Chris@16:     collect_unrecognized(const std::vector< basic_option<charT> >& options,
Chris@16:                          enum collect_unrecognized_mode mode)
Chris@16:     {
Chris@16:         std::vector< std::basic_string<charT> >  result;
Chris@16:         for(unsigned i = 0; i < options.size(); ++i)
Chris@16:         {
Chris@16:             if (options[i].unregistered ||
Chris@16:                 (mode == include_positional && options[i].position_key != -1))
Chris@16:             {
Chris@16:                 copy(options[i].original_tokens.begin(),
Chris@16:                      options[i].original_tokens.end(),
Chris@16:                      back_inserter(result));
Chris@16:             }
Chris@16:         }
Chris@16:         return result;
Chris@16:     }
Chris@16: 
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif