Class Level

core/src/main/java/com/google/googlejavaformat/Doc.java:186–381

A Level inside a Doc.

  /** A {@code Level} inside a {@link Doc}. */
  static final class Level extends Doc {
    private final Indent plusIndent; // The extra indent following breaks.
    private final List<Doc> docs = new ArrayList<>(); // The elements of the level.

    private Level(Indent plusIndent) {
      this.plusIndent = plusIndent;
    }

    /**
     * Factory method for {@code Level}s.
     *
     * @param plusIndent the extra indent inside the {@code Level}
     * @return the new {@code Level}
     */
    static Level make(Indent plusIndent) {
      return new Level(plusIndent);
    }

    /**
     * Add a {@link Doc} to the {@code Level}.
     *
     * @param doc the {@link Doc} to add
     */
    void add(Doc doc) {
      docs.add(doc);
    }

    @Override
    int computeWidth() {
      return getWidth(docs);
    }

    @Override
    String computeFlat() {
      StringBuilder builder = new StringBuilder();
      for (Doc doc : docs) {
        builder.append(doc.getFlat());
      }
      return builder.toString();
    }

    @Override
    Range<Integer> computeRange() {
      Range<Integer> docRange = EMPTY_RANGE;
      for (Doc doc : docs) {
        docRange = union(docRange, doc.range());
      }
      return docRange;
    }

    // State that needs to be preserved between calculating breaks and
    // writing output.
    // TODO(cushon): represent phases as separate immutable data.

    /** True if the entire {@link Level} fits on one line. */
    boolean oneLine = false;

    /**