private static void handleIndex()

in bval-jsr/src/main/java/org/apache/bval/jsr/util/PathNavigation.java [250:281]

31 lines of code
9 McCabe index (conditional complexity)


    private static void handleIndex(CharSequence path, PathPosition pos) throws Exception {
        final int len = path.length();
        final int start = pos.getIndex();
        if (start < len) {
            final char first = path.charAt(pos.getIndex());
            if (first == '"' || first == '\'') {
                final String s = QUOTED_STRING_PARSER.parseQuotedString(path, pos);
                if (s != null && path.charAt(pos.getIndex()) == ']') {
                    pos.handleIndexOrKey(s);
                    pos.next();
                    return;
                }
            }
            // no quoted string; match ] greedily
            while (pos.getIndex() < len) {
                final int here = pos.getIndex();
                try {
                    if (path.charAt(here) == ']') {
                        if (here == start) {
                            pos.handleGenericInIterable();
                        } else {
                            pos.handleIndexOrKey(path.subSequence(start, here).toString());
                        }
                        return;
                    }
                } finally {
                    pos.next();
                }
            }
        }
        Exceptions.raise(IllegalStateException::new, "Position %s: unparsable index", start);
    }