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<?php |
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/* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Renderer\Twig; |
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use Cecil\Collection\Collection; |
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use Cecil\Collection\CollectionInterface; |
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use Cecil\Collection\Page\Page; |
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use Cecil\Exception\Exception; |
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use Cocur\Slugify\Bridge\Twig\SlugifyExtension; |
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use Cocur\Slugify\Slugify; |
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use Leafo\ScssPhp\Compiler; |
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use MatthiasMullie\Minify; |
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use Symfony\Component\Filesystem\Filesystem; |
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/** |
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* Class Twig\Extension. |
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*/ |
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class Extension extends SlugifyExtension |
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{ |
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/* @var string */ |
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protected $destPath; |
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/** |
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* @var Filesystem |
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*/ |
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protected $fileSystem; |
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/** |
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* Constructor. |
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* |
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* @param string $destPath |
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*/ |
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public function __construct($destPath) |
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{ |
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$this->destPath = $destPath; |
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parent::__construct(Slugify::create([ |
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'regexp' => Page::SLUGIFY_PATTERN, |
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])); |
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$this->fileSystem = new Filesystem(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'cecil'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFilters() |
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{ |
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return [ |
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new \Twig_SimpleFilter('filterBySection', [$this, 'filterBySection']), |
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new \Twig_SimpleFilter('filterBy', [$this, 'filterBy']), |
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new \Twig_SimpleFilter('sortByTitle', [$this, 'sortByTitle']), |
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new \Twig_SimpleFilter('sortByWeight', [$this, 'sortByWeight']), |
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new \Twig_SimpleFilter('sortByDate', [$this, 'sortByDate']), |
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new \Twig_SimpleFilter('urlize', [$this, 'slugifyFilter']), |
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new \Twig_SimpleFilter('minifyCSS', [$this, 'minifyCss']), |
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new \Twig_SimpleFilter('minifyJS', [$this, 'minifyJs']), |
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new \Twig_SimpleFilter('SCSStoCSS', [$this, 'scssToCss']), |
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new \Twig_SimpleFilter('excerpt', [$this, 'excerpt']), |
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new \Twig_SimpleFilter('excerptHtml', [$this, 'excerptHtml']), |
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]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFunctions() |
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{ |
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return [ |
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new \Twig_SimpleFunction('url', [$this, 'createUrl'], ['needs_environment' => true]), |
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new \Twig_SimpleFunction('minify', [$this, 'minify']), |
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new \Twig_SimpleFunction('readtime', [$this, 'readtime']), |
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new \Twig_SimpleFunction('toCSS', [$this, 'toCss']), |
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new \Twig_SimpleFunction('hash', [$this, 'hashFile']), |
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]; |
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} |
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/** |
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* Filter by section. |
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* |
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* @param \Cecil\Page\Collection $pages |
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* @param string $section |
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* |
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* @return array |
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*/ |
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public function filterBySection($pages, $section) |
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{ |
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return $this->filterBy($pages, 'section', $section); |
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} |
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/** |
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* Filter by variable. |
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* |
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* @param \Cecil\Page\Collection $pages |
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* @param string $variable |
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* @param string $value |
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* |
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* @throws Exception |
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* |
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* @return array |
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*/ |
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public function filterBy($pages, $variable, $value) |
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{ |
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$filteredPages = $pages->filter(function (Page $page) use ($variable, $value) { |
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// dedicated getter? |
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$method = 'get'.ucfirst($variable); |
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if (method_exists($page, $method) && $page->$method() == $value) { |
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return true; |
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} |
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if ($page->getVariable($variable) == $value) { |
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return true; |
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} |
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}); |
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return $filteredPages; |
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} |
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/** |
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* Sort by title. |
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* |
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* @param $array|CollectionInterface |
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* |
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* @return mixed |
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*/ |
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public function sortByTitle($array) |
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{ |
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if ($array instanceof Collection) { |
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$array = $array->toArray(); |
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} |
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if (is_array($array)) { |
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array_multisort(array_keys($array), SORT_NATURAL | SORT_FLAG_CASE, $array); |
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} |
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return $array; |
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} |
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/** |
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* Sort by weight. |
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* |
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* @param $array|CollectionInterface |
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* |
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* @return mixed |
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*/ |
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View Code Duplication |
public function sortByWeight($array) |
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{ |
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$callback = function ($a, $b) { |
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if (!isset($a['weight'])) { |
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return 1; |
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} |
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if (!isset($b['weight'])) { |
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return -1; |
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} |
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if ($a['weight'] == $b['weight']) { |
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return 0; |
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} |
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return ($a['weight'] < $b['weight']) ? -1 : 1; |
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}; |
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if ($array instanceof Collection) { |
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$array = $array->toArray(); |
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} |
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if (is_array($array)) { |
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usort($array, $callback); |
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} |
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return $array; |
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} |
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/** |
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* Sort by date. |
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* |
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* @param $array|CollectionInterface |
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* |
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* @return mixed |
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*/ |
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View Code Duplication |
public function sortByDate($array) |
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{ |
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$callback = function ($a, $b) { |
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if (!isset($a['date'])) { |
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return -1; |
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} |
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if (!isset($b['date'])) { |
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return 1; |
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} |
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if ($a['date'] == $b['date']) { |
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return 0; |
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} |
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return ($a['date'] > $b['date']) ? -1 : 1; |
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}; |
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if ($array instanceof Collection) { |
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$array = $array->toArray(); |
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} |
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if (is_array($array)) { |
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usort($array, $callback); |
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} |
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return $array; |
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} |
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/** |
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* Create an URL. |
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* |
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* $options[ |
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* 'canonical' => null, |
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* 'addhash' => true, |
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* ]; |
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* |
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* @param \Twig_Environment $env |
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* @param string|\Cecil\Page\Page|null $value |
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* @param array|null $options |
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* |
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* @return string|null |
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*/ |
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public function createUrl(\Twig_Environment $env, $value = null, $options = null) |
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{ |
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$base = ''; |
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$baseurl = $env->getGlobals()['site']['baseurl']; |
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$hash = md5($env->getGlobals()['site']['time']); |
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$canonical = null; |
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$addhash = true; |
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if (isset($options['canonical'])) { |
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$canonical = $options['canonical']; |
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} |
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if (is_bool($options)) { // backward compatibility |
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$canonical = $options; |
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} |
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if (isset($options['addhash'])) { |
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$addhash = $options['addhash']; |
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} |
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if ($env->getGlobals()['site']['canonicalurl'] === true || $canonical === true) { |
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$base = rtrim($baseurl, '/'); |
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} |
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if ($canonical === false) { |
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$base = ''; |
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} |
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if ($value instanceof Page) { |
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$value = $value->getPermalink(); |
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if (false !== strpos($value, '.')) { // file URL (with a dot for extension) |
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$url = $base.'/'.ltrim($value, '/'); |
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} else { |
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$url = $base.'/'.ltrim(rtrim($value, '/').'/', '/'); |
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} |
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} else { |
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if (preg_match('~^(?:f|ht)tps?://~i', $value)) { // external URL |
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$url = $value; |
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} elseif (false !== strpos($value, '.')) { // file URL (with a dot for extension) |
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$url = $base.'/'.ltrim($value, '/'); |
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if ($addhash) { |
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$url .= '?'.$hash; |
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} |
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} else { |
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$url = $base.'/'; |
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if (!empty($value)) { |
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$value = $this->slugifyFilter($value); |
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$url .= ltrim(rtrim($value, '/').'/', '/'); |
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} |
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} |
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} |
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return $url; |
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} |
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/** |
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* Minify a CSS or a JS file. |
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* |
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* @param string $path |
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* |
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* @throws Exception |
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* |
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* @return string |
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*/ |
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public function minify($path) |
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{ |
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$filePath = $this->destPath.'/'.$path; |
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if (is_file($filePath)) { |
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$extension = (new \SplFileInfo($filePath))->getExtension(); |
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switch ($extension) { |
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case 'css': |
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$minifier = new Minify\CSS($filePath); |
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break; |
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case 'js': |
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$minifier = new Minify\JS($filePath); |
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break; |
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default: |
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throw new Exception(sprintf("File '%s' should be a '.css' or a '.js'!", $path)); |
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} |
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$minifier->minify($filePath); |
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return $path; |
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} |
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throw new Exception(sprintf("File '%s' doesn't exist!", $path)); |
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} |
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/** |
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* Minify CSS. |
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* |
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* @param $value |
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* |
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* @return string |
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*/ |
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public function minifyCss($value) |
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{ |
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$minifier = new Minify\CSS($value); |
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return $minifier->minify(); |
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} |
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/** |
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* Minify JS. |
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* |
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* @param $value |
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* |
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* @return string |
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*/ |
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public function minifyJs($value) |
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{ |
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$minifier = new Minify\JS($value); |
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return $minifier->minify(); |
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} |
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/** |
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* Compile style file to CSS. |
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* |
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* @param string $path |
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* |
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* @throws Exception |
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* |
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* @return string |
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*/ |
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public function toCss($path) |
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{ |
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$filePath = $this->destPath.'/'.$path; |
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$subPath = substr($path, 0, strrpos($path, '/')); |
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if (is_file($filePath)) { |
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$extension = (new \SplFileInfo($filePath))->getExtension(); |
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switch ($extension) { |
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case 'scss': |
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$scssPhp = new Compiler(); |
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$scssPhp->setImportPaths($this->destPath.'/'.$subPath); |
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$targetPath = preg_replace('/scss/m', 'css', $path); |
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// compile if target file doesn't exists |
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if (!$this->fileSystem->exists($this->destPath.'/'.$targetPath)) { |
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$scss = file_get_contents($filePath); |
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$css = $scssPhp->compile($scss); |
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$this->fileSystem->dumpFile($this->destPath.'/'.$targetPath, $css); |
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} |
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return $targetPath; |
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default: |
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throw new Exception(sprintf("File '%s' should be a '.scss'!", $path)); |
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} |
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} |
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throw new Exception(sprintf("File '%s' doesn't exist!", $path)); |
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} |
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/** |
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* Compile SCSS string to CSS. |
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* |
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* @param $value |
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* |
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* @return string |
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*/ |
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public function scssToCss($value) |
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{ |
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$scss = new Compiler(); |
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|
|
return $scss->compile($value); |
391
|
|
|
} |
392
|
|
|
|
393
|
|
|
/** |
394
|
|
|
* Read $lenght first characters of a string and add a suffix. |
395
|
|
|
* |
396
|
|
|
* @param $string |
397
|
|
|
* @param int $length |
398
|
|
|
* @param string $suffix |
399
|
|
|
* |
400
|
|
|
* @return string |
401
|
|
|
*/ |
402
|
|
|
public function excerpt($string, $length = 450, $suffix = ' …') |
403
|
|
|
{ |
404
|
|
|
$string = str_replace('</p>', '<br /><br />', $string); |
405
|
|
|
$string = trim(strip_tags($string, '<br>'), '<br />'); |
406
|
|
|
if (mb_strlen($string) > $length) { |
407
|
|
|
$string = mb_substr($string, 0, $length); |
408
|
|
|
$string .= $suffix; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
return $string; |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Read characters before '<!-- excerpt -->'. |
416
|
|
|
* |
417
|
|
|
* @param $string |
418
|
|
|
* |
419
|
|
|
* @return string |
420
|
|
|
*/ |
421
|
|
|
public function excerptHtml($string) |
422
|
|
|
{ |
423
|
|
|
// https://regex101.com/r/mA2mG0/3 |
424
|
|
|
$pattern = '^(.*)[\n\r\s]*<!-- excerpt -->[\n\r\s]*(.*)$'; |
425
|
|
|
preg_match( |
426
|
|
|
'/'.$pattern.'/s', |
427
|
|
|
$string, |
428
|
|
|
$matches |
429
|
|
|
); |
430
|
|
|
if (empty($matches)) { |
431
|
|
|
return $string; |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
return trim($matches[1]); |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
/** |
438
|
|
|
* Calculate estimated time to read a text. |
439
|
|
|
* |
440
|
|
|
* @param $text |
441
|
|
|
* |
442
|
|
|
* @return float|string |
443
|
|
|
*/ |
444
|
|
|
public function readtime($text) |
445
|
|
|
{ |
446
|
|
|
$words = str_word_count(strip_tags($text)); |
447
|
|
|
$min = floor($words / 200); |
448
|
|
|
if ($min === 0) { |
449
|
|
|
return '1'; |
450
|
|
|
} |
451
|
|
|
|
452
|
|
|
return $min; |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
/** |
456
|
|
|
* Hash file with sha384. |
457
|
|
|
* |
458
|
|
|
* @param string $path |
459
|
|
|
* |
460
|
|
|
* @return string|null |
461
|
|
|
*/ |
462
|
|
|
public function hashFile($path) |
463
|
|
|
{ |
464
|
|
|
if (is_file($filePath = $this->destPath.'/'.$path)) { |
465
|
|
|
return sprintf('sha384-%s', base64_encode(hash_file('sha384', $filePath, true))); |
466
|
|
|
} |
467
|
|
|
} |
468
|
|
|
} |
469
|
|
|
|
This check compares the return type specified in the
@return
annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.