public function execute($path = null, $parents = array())
{
$content = '';
// loop css data (raw data and files)
foreach ($this->data as $source => $css) {
/*
* Let's first take out strings & comments, since we can't just remove
* whitespace anywhere. If whitespace occurs inside a string, we should
* leave it alone. E.g.:
* p { content: "a test" }
*/
$this->extractStrings();
$this->stripComments();
$css = $this->replace($css);
$css = $this->stripWhitespace($css);
$css = $this->shortenHex($css);
$css = $this->shortenZeroes($css);
$css = $this->shortenFontWeights($css);
$css = $this->stripEmptyTags($css);
// restore the string we've extracted earlier
$css = $this->restoreExtractedData($css);
$source = is_int($source) ? '' : $source;
$parents = $source ? array_merge($parents, array($source)) : $parents;
$css = $this->combineImports($source, $css, $parents);
$css = $this->importFiles($source, $css);
/*
* If we'll save to a new path, we'll have to fix the relative paths
* to be relative no longer to the source file, but to the new path.
* If we don't write to a file, fall back to same path so no
* conversion happens (because we still want it to go through most
* of the move code...)
*/
$converter = new Converter($source, $path ?: $source);
$css = $this->move($converter, $css);
// combine css
$content .= $css;
}
$content = $this->moveImportsToTop($content);
return $content;
}
