private function CSSCompression_Combine_MarginPadding::storage in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg_css_compress/css-compressor-3.x/src/lib/Combine/MarginPadding.inc \CSSCompression_Combine_MarginPadding::storage()

Build the storage object for iteration

Parameters

(string) val: Rule Set:

1 call to CSSCompression_Combine_MarginPadding::storage()

CSSCompression_Combine_MarginPadding::combine in advagg_css_compress/css-compressor-3.x/src/lib/Combine/MarginPadding.inc

Combines multiple directional properties of margin/padding into single definition.

File

advagg_css_compress/css-compressor-3.x/src/lib/Combine/MarginPadding.inc, line 69

Class

CSSCompression_Combine_MarginPadding

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

Code

private function storage($val) {
  $storage = array();
  $pos = 0;

  // Find all possible occurences of margin/padding and mark their directional value
  while (preg_match($this->rmp, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {
    if (!isset($storage[$match[2][0]])) {
      $storage[$match[2][0]] = array(
        $match[3][0] => $match[4][0],
      );
    }

    // Override double written properties
    $storage[$match[2][0]][$match[3][0]] = $match[4][0];
    $pos = $match[0][1] + strlen($match[0][0]) - 1;
  }

  // Go through each tag for possible combination
  foreach ($storage as $tag => $arr) {

    // Only combine if all 4 definitions are found
    if (count($arr) == 4 && !$this->Combine
      ->checkUncombinables($arr)) {

      // All 4 are the same
      if ($arr['top'] == $arr['bottom'] && $arr['left'] == $arr['right'] && $arr['top'] == $arr['left']) {
        $storage[$tag] = "{$tag}:" . $arr['top'] . ';';
      }
      else {
        if ($arr['top'] == $arr['bottom'] && $arr['left'] == $arr['right']) {
          $storage[$tag] = "{$tag}:" . $arr['top'] . ' ' . $arr['left'] . ';';
        }
        else {
          if ($arr['right'] == $arr['left']) {
            $storage[$tag] = "{$tag}:" . $arr['top'] . ' ' . $arr['right'] . ' ' . $arr['bottom'] . ';';
          }
          else {
            $storage[$tag] = "{$tag}:" . $arr['top'] . ' ' . $arr['right'] . ' ' . $arr['bottom'] . ' ' . $arr['left'] . ';';
          }
        }
      }
    }
    else {
      unset($storage[$tag]);
    }
  }
  return $storage;
}