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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\program_options\detail\parsers.hpp

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// Copyright Vladimir Prus 2004.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_PARSERS_HPP_VP_2004_05_06
#define BOOST_PARSERS_HPP_VP_2004_05_06

#include <boost/program_options/detail/convert.hpp>

namespace boost { namespace program_options {

    namespace detail {
        template<class charT, class Iterator>
        std::vector<std::basic_string<charT> > 
        make_vector(Iterator i, Iterator e)
        {
            std::vector<std::basic_string<charT> > result;
            // Some compilers don't have templated constructor for 
            // vector, so we can't create vector from (argv+1, argv+argc) range
            for(; i != e; ++i)
                result.push_back(*i);
            return result;            
        }
    }

    template<class charT>
    basic_command_line_parser<charT>::
    basic_command_line_parser(const std::vector<
                              std::basic_string<charT> >& args)
       : detail::cmdline(to_internal(args))
    {}


    template<class charT>
    basic_command_line_parser<charT>::
    basic_command_line_parser(int argc, charT* argv[])
    : detail::cmdline(
        // Explicit template arguments are required by gcc 3.3.1 
        // (at least mingw version), and do no harm on other compilers.
        to_internal(detail::make_vector<charT, charT**>(argv+1, argv+argc+!argc)))
    {}

    
    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::options(const options_description& desc)
    {
       detail::cmdline::set_options_description(desc);
        m_desc = &desc;
        return *this;
    }

    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::positional(
        const positional_options_description& desc)
    {
        detail::cmdline::set_positional_options(desc);
        return *this;
    }

    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::style(int style)
    {
        detail::cmdline::style(style);
        return *this;
    }

    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::extra_parser(ext_parser ext)
    {
        detail::cmdline::set_additional_parser(ext);
        return *this;
    }

    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::allow_unregistered()
    {
        detail::cmdline::allow_unregistered();
        return *this;
    }

    template<class charT>
    basic_command_line_parser<charT>& 
    basic_command_line_parser<charT>::extra_style_parser(style_parser s)
    {
        detail::cmdline::extra_style_parser(s);
        return *this;
    }



    template<class charT>    
    basic_parsed_options<charT>
    basic_command_line_parser<charT>::run()
    {
        parsed_options result(m_desc);
        result.options = detail::cmdline::run();

        // Presense of parsed_options -> wparsed_options conversion
        // does the trick.
        return basic_parsed_options<charT>(result);
    }


    template<class charT>
    basic_parsed_options<charT>
    parse_command_line(int argc, charT* argv[],
                       const options_description& desc,
                       int style,
                       function1<std::pair<std::string, std::string>, 
                                 const std::string&> ext)
    {
        return basic_command_line_parser<charT>(argc, argv).options(desc).
            style(style).extra_parser(ext).run();
    }

    template<class charT>
    std::vector< std::basic_string<charT> > 
    collect_unrecognized(const std::vector< basic_option<charT> >& options,
                         enum collect_unrecognized_mode mode)
    {
        std::vector< std::basic_string<charT> >  result;
        for(unsigned i = 0; i < options.size(); ++i)
        {
            if (options[i].unregistered ||
                (mode == include_positional && options[i].position_key != -1))
            {
                copy(options[i].original_tokens.begin(),
                     options[i].original_tokens.end(),
                     back_inserter(result));
            }
        }
        return result;
    }


}}

#endif

parsers.hpp

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