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<?php |
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declare(strict_types=1); |
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namespace Psi\Bundle\ObjectRender\Template; |
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/** |
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* Determine a file path from a given class reflection class. |
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* |
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* An *ordered* map of namespaces => paths must be provided. It should be |
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* ordered by namespace length (longest to shortest). |
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*/ |
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class Locator |
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{ |
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private $extension; |
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private $map; |
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public function __construct(array $map, string $extension) |
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{ |
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$this->extension = $extension; |
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$this->map = $map; |
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} |
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public function locate(\ReflectionClass $class, string $variant = null): string |
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{ |
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list($resolvedNs, $basePath) = $this->resolvePath($class->getName()); |
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$fname = str_replace('\\', '.', substr($class->getName(), strlen($resolvedNs))); |
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if (0 === strpos($fname, '.')) { |
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$fname = substr($fname, 1); |
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} |
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$fpath = $this->getTemplatePath($basePath, $fname, $variant); |
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return $fpath; |
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} |
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private function getTemplatePath(string $basePath, string $fname, string $variant = null) |
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{ |
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$extension = ($this->extension ? $this->extension : ''); |
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if (null === $variant) { |
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return sprintf( |
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'%s/%s.%s', |
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$basePath, |
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$fname, |
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$extension |
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); |
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} |
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return sprintf( |
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'%s/%s/%s.%s', |
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$basePath, |
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$fname, |
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$variant, |
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$extension |
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); |
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} |
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private function resolvePath($classFqn): array |
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{ |
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foreach ($this->map as $namespace => $path) { |
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if ($namespace === $classFqn) { |
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continue; |
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} |
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if (0 === strpos($classFqn, $namespace)) { |
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return [$namespace, $path]; |
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} |
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} |
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throw new \InvalidArgumentException(sprintf( |
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'Could not resolve path for class "%s" in namespaces: "%s"', |
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$classFqn, implode('", "', array_keys($this->map)) |
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)); |
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} |
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} |
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psiphp /
object-render-bundle
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