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<?php |
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/* |
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* This file is part of ocubom/twig-svg-extension |
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* |
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* © Oscar Cubo Medina <https://ocubom.github.io> |
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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 Ocubom\Twig\Extension\Svg\Provider\Iconify; |
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use Iconify\JSONTools\Collection; |
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use Iconify\JSONTools\SVG as Icon; |
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use Ocubom\Twig\Extension\Svg\Exception\JsonException; |
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use Ocubom\Twig\Extension\Svg\Exception\LoaderException; |
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use Ocubom\Twig\Extension\Svg\Exception\LogicException; |
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use Ocubom\Twig\Extension\Svg\Loader\LoaderInterface; |
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use Ocubom\Twig\Extension\Svg\Svg; |
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use Ocubom\Twig\Extension\Svg\Util\PathCollection; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\Filesystem\Path; |
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use Symfony\Component\OptionsResolver\Options; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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use function BenTools\IterableFunctions\iterable_to_array; |
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use function Ocubom\Twig\Extension\is_string; |
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class IconifyLoader implements LoaderInterface |
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{ |
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private PathCollection $searchPath; |
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private ?string $cacheDir; |
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private static Filesystem $fs; |
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private const CACHE_BASEDIR = 'iconify'; |
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private const CACHE_EXTENSION = 'php'; |
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public function __construct(PathCollection $searchPath, iterable $options = null) |
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{ |
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self::$fs = new Filesystem(); |
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$this->searchPath = $searchPath; |
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// Parse options |
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$options = static::configureOptions() |
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->resolve(iterable_to_array($options ?? /* @scrutinizer ignore-type */ [])); |
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// Check cache directory path |
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$this->cacheDir = Path::canonicalize($options['cache_dir'] ?? ''); |
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if ('' === $this->cacheDir) { |
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$this->cacheDir = null; // @codeCoverageIgnore |
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} else { |
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// Ensure cache dir is inside prefixed subdir |
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if (self::CACHE_BASEDIR !== Path::getFilenameWithoutExtension($this->cacheDir)) { |
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$this->cacheDir = Path::join($this->cacheDir, self::CACHE_BASEDIR); |
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} |
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} |
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} |
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public function resolve(string $ident, iterable $options = null): Svg |
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{ |
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// Split ident |
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$tokens = preg_split('@[/:\-]+@Uis', $ident); |
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$count = count($tokens); |
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for ($idx = 1; $idx < $count; ++$idx) { |
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$icon = $this->loadIcon( |
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join('-', array_slice($tokens, 0, $idx)), |
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join('-', array_slice($tokens, $idx - $count)) |
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); |
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if ($icon) { |
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$options = Icon::splitAttributes(iterable_to_array($options ?? [])); |
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return new IconifySvg( |
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$icon->getSVG($options['icon']), |
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$options['node'] |
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); |
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} |
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} |
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throw new LoaderException($ident, new \ReflectionClass($this)); |
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} |
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private function loadIcon(string $prefix, string $name): ?Icon |
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{ |
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foreach ($this->getCollectionPaths($prefix) as $path) { |
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if (!self::$fs->exists($path)) { |
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continue; |
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} |
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$collection = new Collection(); |
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if (!$collection->loadFromFile($path, null, $this->getCacheFile($prefix))) { |
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throw new JsonException(sprintf('Unable to parse "%s" JSON file', $path)); |
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} |
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$data = $collection->getIconData($name); |
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if (!$data) { |
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continue; |
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} |
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return new Icon($data); |
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} |
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// Unable to find icon |
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return null; |
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} |
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private function getCacheFile(string $collection): ?string |
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{ |
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if (null === $this->cacheDir) { |
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return null; // @codeCoverageIgnore |
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} |
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$path = Path::changeExtension( |
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Path::join($this->cacheDir, $collection), |
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self::CACHE_EXTENSION |
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); |
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if (!Path::isBasePath($this->cacheDir, $path)) { |
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// @codeCoverageIgnoreStart |
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throw new LogicException(sprintf( |
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'The generated cache path `%s` is outside the base cache directory `%s`.', |
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$path, |
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$this->cacheDir |
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)); |
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// @codeCoverageIgnoreEnd |
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} |
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// Ensure cache dir exists |
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self::$fs->mkdir($this->cacheDir, 0755); |
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return $path; |
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} |
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/** |
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* @psalm-return \Generator<int, string, mixed, void> |
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*/ |
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private function getCollectionPaths(string $name): \Generator |
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{ |
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foreach ($this->searchPath as $basePath) { |
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// Try @iconify/json path (full set) |
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yield Path::join((string) $basePath, 'json', $name.'.json'); |
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// Try @iconify-json path (cherry picking) |
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yield Path::join((string) $basePath, $name, 'icons.json'); |
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} |
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} |
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/** @psalm-suppress MissingClosureParamType */ |
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protected static function configureOptions(OptionsResolver $resolver = null): OptionsResolver |
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{ |
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$resolver = $resolver ?? new OptionsResolver(); |
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$resolver->define('cache_dir') |
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->default(null) |
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->allowedTypes('null', 'string', \SplFileInfo::class) |
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->normalize(function (Options $options, $value): string { |
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return is_string($value) ? $value : ($value ?? ''); |
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}) |
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->info('Where cache files will be stored'); |
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return $resolver; |
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} |
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} |
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ocubom /
twig-svg-extension
