class CSSCompression_Combine_List in Advanced CSS/JS Aggregation 7

CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com

Hierarchy

• class \CSSCompression_Combine_List

File

advagg_css_compress/css-compressor-3.x/src/lib/Combine/List.inc, line 8

class CSSCompression_Combine_List {

  /**
   * Combine Patterns
   *
   * @class Control: Compression Controller
   * @class Combine: Combine Controller
   * @param (regex) rlist: List style matching
   * @param (array) groupings: Group of list combinationals
   */
  private $Control;
  private $Combine;
  private $rlist = "/(^|(?<!\\\\);)list-style-(type|position|image):(.*?)((?<!\\\\);|\$)/";
  private $groupings = array(
    array(
      'type',
      'position',
      'image',
    ),
    array(
      'type',
      'position',
    ),
    array(
      'type',
      'image',
    ),
    array(
      'position',
      'image',
    ),
    array(
      'type',
    ),
    array(
      'position',
    ),
    array(
      'image',
    ),
  );

  /**
   * Stash a reference to the controller & combiner
   *
   * @param (class) control: CSSCompression Controller
   * @param (class) combine: CSSCompression Combiner
   */
  public function __construct(CSSCompression_Control $control, CSSCompression_Combine $combine) {
    $this->Control = $control;
    $this->Combine = $combine;
  }

  /**
   * Combines multiple list style props into single definition
   *
   * @param (string) val: Rule Set
   */
  public function combine($val) {

    // If replacement string found, run it on all declarations
    if (($replace = $this
      ->replace($val)) !== false) {
      $pos = 0;
      while (preg_match($this->rlist, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {
        $colon = strlen($match[1][0]);
        $val = substr_replace($val, $replace, $match[0][1] + $colon, strlen($match[0][0]) - $colon);
        $pos = $match[0][1] + strlen($replace) - $colon - 1;
        $replace = '';
      }
    }

    // Return converted val
    return $val;
  }

  /**
   * Build the replacement string for list props
   *
   * @param (string) val: Rule Set
   */
  private function replace($val) {
    $storage = array();
    $pos = 0;

    // Find all possible occurences and build the replacement
    while (preg_match($this->rlist, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {
      $storage[$match[2][0]] = $match[3][0];
      $pos = $match[0][1] + strlen($match[0][0]) - 1;
    }

    // Run background checks and get replacement str
    foreach ($this->groupings as $props) {
      if ($replace = $this->Combine
        ->searchDefinitions('list-style', $storage, $props)) {
        return $replace;
      }
    }
    return false;
  }

  /**
   * Access to private methods for testing
   *
   * @param (string) method: Method to be called
   * @param (array) args: Array of paramters to be passed in
   */
  public function access($method, $args) {
    if (method_exists($this, $method)) {
      return call_user_func_array(array(
        $this,
        $method,
      ), $args);
    }
    else {
      throw new CSSCompression_Exception("Unknown method in List Class - " . $method);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CSSCompression_Combine_List::$Combine	private	property
CSSCompression_Combine_List::$Control	private	property	Combine Patterns
CSSCompression_Combine_List::$groupings	private	property
CSSCompression_Combine_List::$rlist	private	property
CSSCompression_Combine_List::access	public	function	Access to private methods for testing
CSSCompression_Combine_List::combine	public	function	Combines multiple list style props into single definition
CSSCompression_Combine_List::replace	private	function	Build the replacement string for list props
CSSCompression_Combine_List::__construct	public	function	Stash a reference to the controller & combiner