this method returns the character at the current index position concode_field_sep int index concode_elem_sep int end concode_elem_sep String text concode_elem_sep int begin concode_field_sep char next concode_elem_sep char previous concode_elem_sep char last concode_elem_sep int getIndex concode_elem_sep char setIndex concode_elem_sep int getEndIndex concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep int getBeginIndex concode_elem_sep char first concode_elem_sep void setText
char function ( ) { return ( index < end ) ? text . charAt ( index ) : DONE ; }