public Webpath relativize()

in java/io/bazel/rules/closure/Webpath.java [317:345]

• 29 lines of code
• 9 McCabe index (conditional complexity)

  public Webpath relativize(Webpath other) {
    checkArgument(isAbsolute() == other.isAbsolute(), "'other' is different type of Path");
    if (path.isEmpty()) {
      return other;
    }
    PeekingIterator<String> left = Iterators.peekingIterator(split());
    PeekingIterator<String> right = Iterators.peekingIterator(other.split());
    while (left.hasNext() && right.hasNext()) {
      if (!left.peek().equals(right.peek())) {
        break;
      }
      left.next();
      right.next();
    }
    StringBuilder result = new StringBuilder(path.length() + other.path.length());
    while (left.hasNext()) {
      result.append(PARENT_DIR);
      result.append(SEPARATOR);
      left.next();
    }
    while (right.hasNext()) {
      result.append(right.next());
      result.append(SEPARATOR);
    }
    if (result.length() > 0 && !other.hasTrailingSeparator()) {
      result.deleteCharAt(result.length() - 1);
    }
    return new Webpath(result.toString());
  }