public LocationTracker delete()

in tools/query_breakdown/src/main/java/com/google/bigquery/LocationTracker.java [93:127]

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

  public LocationTracker delete(int startLine, int startColumn, int endLine,
      int endColumn) {
    LocationTracker locationTracker = cloneTracker();
    // same line case, just remove the corresponding locations
    if (startLine == endLine) {
      for (int i = startColumn; i < endColumn + 1; i++) {
        locationTracker.remove(startLine, startColumn);
      }
    }
    else {
      /* different line case */
      // startLine: note that we add a new line character to the startline in multi-line deletion
      for (int x = startColumn; x < location.get(startLine - 1).size(); x++) {
        locationTracker.remove(startLine, startColumn);
      }

      // endLine: if entire endline is removed vs part of it is removed
      if (endColumn == locationTracker.getLocation().get(endLine - 1).size()) {
        locationTracker.removeLine(endLine);
      }
      else {
        for (int y = 1; y < endColumn + 1; y++) {
          locationTracker.remove(endLine, 1);
        }
      }

      // lines in the middle
      if (endLine - startLine > 1) {
        for (int z = startLine + 1; z < endLine; z++) {
          locationTracker.removeLine(z);
        }
      }
    }
    return locationTracker;
  }