Method loadBuffer

extras/catch_amalgamated.cpp:2831–2868

        namespace Detail {

            void TokenStream::loadBuffer() {
                m_tokenBuffer.clear();

                // Skip any empty strings
                while ( it != itEnd && it->empty() ) {
                    ++it;
                }

                if ( it != itEnd ) {
                    StringRef next = *it;
                    if ( isOptPrefix( next[0] ) ) {
                        auto delimiterPos = find_first_separator(next);
                        if ( delimiterPos != StringRef::npos ) {
                            m_tokenBuffer.push_back(
                                { TokenType::Option,
                                  next.substr( 0, delimiterPos ) } );
                            m_tokenBuffer.push_back(
                                { TokenType::Argument,
                                  next.substr( delimiterPos + 1, next.size() ) } );
                        } else {
                            if ( next.size() > 1 && next[1] != '-' && next.size() > 2 ) {
                                // Combined short args, e.g. "-ab" for "-a -b"
                                for ( size_t i = 1; i < next.size(); ++i ) {
                                    m_tokenBuffer.push_back(
                                        { TokenType::Option,
                                          next.substr( i, 1 ) } );
                                }
                            } else {
                                m_tokenBuffer.push_back(
                                    { TokenType::Option, next } );
                            }
                        }
                    } else {
                        m_tokenBuffer.push_back(
                            { TokenType::Argument, next } );
                    }
                }
            }

            TokenStream::TokenStream( Args const& args ):
                TokenStream( args.m_args.begin(), args.m_args.end() ) {}