bigloo.input_socket_port.rgc_fill_buffer C# (CSharp) Method

        public override bool rgc_fill_buffer()
        {
            int bufsize = this.bufsiz;
              int bufpose = this.bufpos;
              int matchstart = this.matchstart;

              // if the buffer is not full, we fill it
              if (bufpose < bufsize)
            return rgc_size_fill_con_buffer( bufpose, bufsize-bufpose );

              if (0 < matchstart)
              {
            // we shift the buffer left and we fill the buffer
            byte[] buffer = this.buffer;
            int movesize = bufpose-matchstart;

            for ( int i= 0 ; i < movesize ; ++i)
              buffer[i] = buffer[matchstart + i];
            bufpose -= matchstart;
            this.matchstart = 0;
            this.matchstop -= matchstart;
            this.forward -= matchstart;
            this.lastchar = buffer[matchstart-1];

            return rgc_size_fill_con_buffer( bufpose, bufsize-bufpose );
              }

              // we current token is too large for the buffer
              // we have to enlarge it.
              rgc_double_buffer();

              return rgc_fill_buffer();
        }