Same name in other branches
  1. 5.0.x src/Asset/AssetOptimizer.php \Drupal\advagg\Asset\AssetOptimizer::scanFile()
  2. 8.x-3.x src/Asset/AssetOptimizer.php \Drupal\advagg\Asset\AssetOptimizer::scanFile()
  3. 8.x-4.x src/Asset/AssetOptimizer.php \Drupal\advagg\Asset\AssetOptimizer::scanFile()

Given a filename calculate various hashes, gather meta data then optimize.

If any file optimizations are applied, updates the asset array. Also if enabled preemptively creates compressed versions.

Paramètres

array $asset: A core asset array.

1 call to AssetOptimizer::scanFile()
AssetOptimizer::processAssetArray dans src/Asset/AssetOptimizer.php
Process a core asset array.

Fichier

src/Asset/AssetOptimizer.php, line 202

Classe

AssetOptimizer
Defines the base AdvAgg optimizer.

Namespace

Drupal\advagg\Asset

Code

protected function scanFile(array &$asset) {
    // Clear PHP's internal file status cache.
    clearstatcache(TRUE, $asset['data']);
    $cid = Crypt::hashBase64($asset['data'] . $this->config
        ->get('global_counter'));
    $cached = $this->cache
        ->get($cid);
    if ($cached && file_exists($cached->data['file'])) {
        if ((int) \Drupal::VERSION < 10 && $this->config
            ->get('css.combine_media') && isset($asset['media']) && $asset['media'] !== 'all') {
            $asset['media'] = 'all';
        }
        $asset['size'] = $cached->data['filesize'];
        if ($this->cacheLevel === 3) {
            $asset['data'] = $cached->data['file'];
            $this->dnsPrefetch += $cached->data['prefetch'];
            return;
        }
        $data = [
            'filesize' => (int) @filesize($asset['data']),
            'mtime' => @filemtime($asset['data']),
        ];
        if ($this->cacheLevel === 2) {
            if ($cached->data['mtime'] === $data['mtime']) {
                $asset['data'] = $cached->data['file'];
                $this->dnsPrefetch += $cached->data['prefetch'];
                return;
            }
        }
        $data['contents'] = @file_get_contents($asset['data']);
        $data['hash'] = Crypt::hashBase64($data['contents']);
        if ($this->cacheLevel === 1) {
            if ($cached->data['hash'] === $data['hash']) {
                $asset['data'] = $cached->data['file'];
                $this->dnsPrefetch += $cached->data['prefetch'];
                return;
            }
        }
    }
    if (empty($data)) {
        $data = [
            'filesize' => (int) @filesize($asset['data']),
            'mtime' => @filemtime($asset['data']),
            'contents' => @file_get_contents($asset['data']),
        ];
        $data['hash'] = Crypt::hashBase64($data['contents']);
    }
    $data['cid'] = $cid;
    $asset['size'] = $data['filesize'];
    if ($data['file'] = $this->optimizeFile($asset, $data)) {
        $asset['contents'] = $data['contents'];
        $data['prefetch'] = $this->addDnsPrefetch($asset);
        $this->dnsPrefetch += $data['prefetch'];
        $data['original'] = $asset['data'];
        unset($data['contents']);
        unset($data['cid']);
        $this->cache
            ->set($cid, $data, $this->getCacheTime(), [
            'advagg',
        ]);
        $asset['data'] = $data['file'];
    }
}