class HWLDFWordAccumulator

backdrop_class_list in core/includes/bootstrap.classes.inc

Lists all the classes used by Backdrop core.

class HWLDFWordAccumulator {
  private $lines = array();
  private $line = '';
  private $group = '';
  private $tag = '';

  /**
   * @param $new_tag
   */
  private function flushGroup($new_tag) {
    if ($this->group !== '') {
      if ($this->tag == 'ins') {
        $this->line .= '<ins class="diffchange diffchange-inline">' . htmlspecialchars($this->group) . '</ins>';
      }
      elseif ($this->tag == 'del') {
        $this->line .= '<del class="diffchange diffchange-inline">' . htmlspecialchars($this->group) . '</del>';
      }
      else {
        $this->line .= htmlspecialchars($this->group);
      }
    }
    $this->group = '';
    $this->tag = $new_tag;
  }

  /**
   * @param $new_tag
   */
  private function flushLine($new_tag) {
    $this->flushGroup($new_tag);
    if ($this->line != '') {
      array_push($this->lines, $this->line);
    }
    else {
      # make empty lines visible by inserting an NBSP
      array_push($this->lines, '&#160;');
    }
    $this->line = '';
  }

  /**
   * @param $words
   * @param $tag string
   */
  public function addWords($words, $tag = '') {
    if ($tag != $this->tag) {
      $this->flushGroup($tag);
    }

    foreach ($words as $word) {
      // new-line should only come as first char of word.
      if ($word == '') {
        continue;
      }
      if ($word[0] == "\n") {
        $this->flushLine($tag);
        $word = substr($word, 1);
      }
      assert(!strstr($word, "\n"));
      $this->group .= $word;
    }
  }

  /**
   * @return array
   */
  public function getLines() {
    $this->flushLine('~done');

    return $this->lines;
  }
}