private static boolean traversesParentPath()

in src/main/java/org/apache/sling/engine/impl/request/RequestData.java [739:763]

• 22 lines of code
• 8 McCabe index (conditional complexity)

    private static boolean traversesParentPath(String path) {
        int index = 0;
        while (index < path.length()) {
            int charCount = 0;
            int dotCount = 0;
            // count dots (".") and total chars in each path segment (between two '/')
            while (index < path.length() && path.charAt(index) != '/') {
                char c = path.charAt(index);
                if (!SKIPPED_TRAVERSAL_CHARS.contains(c)) {
                    if (c == '.') {
                        dotCount++;
                    }
                    charCount++;
                }
                index++;
            }
            // if all chars are dots (".")
            // path is traversing the parent directory
            if (charCount > 1 && dotCount == charCount) {
                return true;
            }
            index++;
        }
        return false;
    }