private function CSSCompression_Setup::nested in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg_css_compress/css-compressor-3.x/src/lib/Setup.inc \CSSCompression_Setup::nested()

Run nested elements through a separate instance of compression

Parameters

(array) css: Reference to the original css array:

(bool) organize: Whether or not to organize the subsection (only true for media sections):

1 call to CSSCompression_Setup::nested()

CSSCompression_Setup::setup in advagg_css_compress/css-compressor-3.x/src/lib/Setup.inc

Setup selector and details arrays for compression methods

File

advagg_css_compress/css-compressor-3.x/src/lib/Setup.inc, line 156

Class

CSSCompression_Setup

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

Code

private function nested(&$css = array(), $organize = false) {
  $options = $this->options;
  $left = 0;
  $right = 0;
  $row = '';
  $independent = '';
  $content = '';
  $spacing = '';
  $newline = $this->options['readability'] > CSSCompression::READ_NONE ? "\n" : '';

  // Find the end of the nested section
  while (count($css) && ($left < 1 || $left > $right)) {
    $row = trim(array_shift($css));
    if ($row == '') {
      continue;
    }
    else {
      if ($row == '{') {
        $left++;
      }
      else {
        if ($row == '}') {
          $right++;
        }
        else {
          if (count($css) && substr($row, 0, 1) != '@' && substr($css[0], 0, 1) == '@' && substr($row, -1) == ';') {
            $independent .= $row;
            continue;
          }
        }
      }
    }
    $content .= $row;
  }

  // Ensure copy of instance exists
  if (!$this->instance) {
    $this->instance = new CSSCompression();
  }

  // Fresh start
  $this->instance
    ->reset();

  // Compress the nested section independently after removing the wrapping braces
  // Also make sure to only organize media sections
  if ($options['organize'] == true && $organize == false) {
    $options['organize'] = false;
  }

  // Independent sections should be prepended to the next compressed section
  $content = ($independent == '' ? '' : $independent . $newline) . $this->instance
    ->compress(substr($content, 1, -1), $options);

  // Formatting for anything higher then 0 readability
  if ($newline == "\n") {
    $content = "\n\t" . str_replace("\n", "\n\t", $content) . "\n";
    $spacing = $this->options['readability'] > CSSCompression::READ_MIN ? ' ' : '';
  }

  // Stash the compressed nested script
  return "{$spacing}{" . $content . "}{$newline}";
}