private String consumeCommentTokens ( String line ) { if ( line . indexOf ( START_COMMENT ) == - 1 && line . indexOf ( END_COMMENT ) == - 1 ) { return line ; } while ( ( line = consume ( line ) ) != null ) { if ( ! this . inComment && ! line . trim ( ) . startsWith ( START_COMMENT ) ) { return line ; } } return line ; }
Consumes all the leading comment data in the given String and returns the remaining content which may be empty since the supplied content might be all comment data . For our purposes it is only important to strip leading comment content on a line since the first piece of non comment content will be either the DOCTYPE declaration or the root element of the document .