Method parse

extern/boost/boost/test/utils/runtime/cla/parser.hpp:155–297

input processing method

    // input processing method
    int
    parse( int argc, char** argv, runtime::arguments_store& res )
    {
        // save program name for help message
        m_program_name = argv[0];
        cstring path_sep( "\\/" );

        cstring::iterator it = unit_test::utils::find_last_of( m_program_name.begin(), m_program_name.end(),
                                                                path_sep.begin(), path_sep.end() );
        if( it != m_program_name.end() )
            m_program_name.trim_left( it + 1 );

        // Set up the traverser
        argv_traverser tr( argc, (char const**)argv );

        // Loop till we reach end of input
        while( !tr.eoi() ) {
            cstring curr_token = tr.current_token();

            cstring prefix;
            cstring name;
            cstring value_separator;
            bool    negative_form = false;

            // Perform format validations and split the argument into prefix, name and separator
            // False return value indicates end of params indicator is met
            if( !validate_token_format( curr_token, prefix, name, value_separator, negative_form ) ) {
                // get rid of "end of params" token
                tr.next_token();
                break;
            }

            // Locate trie corresponding to found prefix and skip it in the input
            trie_ptr curr_trie = m_param_trie[prefix];

            if( !curr_trie ) {
                //  format_error() << "Unrecognized parameter prefix in the argument " << tr.current_token()
                rt_cla_detail::report_foreing_token( m_program_name, curr_token );
                tr.save_token();
                continue;
            }

            curr_token.trim_left( prefix.size() );

            // Locate parameter based on a name and skip it in the input
            locate_result locate_res = locate_parameter( curr_trie, name, curr_token );
            parameter_cla_id const& found_id    = locate_res.first;
            basic_param_ptr         found_param = locate_res.second;

            if( negative_form ) {
                BOOST_TEST_I_ASSRT( found_id.m_negatable,
                                    format_error( found_param->p_name )
                                        << "Parameter tag " << found_id.m_tag << " is not negatable." );

                curr_token.trim_left( m_negation_prefix.size() );
            }

            curr_token.trim_left( name.size() );