boost/program_options/detail/parsers.hpp
// 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