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<?php |
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namespace mindplay\kisstpl; |
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use RuntimeException; |
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/** |
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* Simple view-finder implementation - maps a namespace directly to a root path |
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* and assumes that the template exists. |
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*/ |
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class SimpleViewFinder implements ViewFinder |
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{ |
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/** |
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* @var string absolute path to the view root-folder for the base namespace |
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*/ |
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public $root_path; |
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/** |
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* @var string|null base namespace for view-models supported by this finder |
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*/ |
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public $namespace = null; |
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/** |
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* @param string $root_path absolute path to view root-folder |
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* @param string|null $namespace optional; base namespace for view-models supported by this finder |
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*/ |
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public function __construct($root_path, $namespace = null) |
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{ |
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$this->root_path = rtrim($root_path, DIRECTORY_SEPARATOR); |
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$this->namespace = $namespace; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @see ViewFinder::findTemplate() |
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*/ |
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public function findTemplate($view_model, $type) |
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{ |
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$name = $this->getTemplateName($view_model); |
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return $name |
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? $this->root_path . DIRECTORY_SEPARATOR . $name . ".{$type}.php" |
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: null; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @see ViewFinder::listSearchPaths() |
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*/ |
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public function listSearchPaths($view_model, $type) |
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{ |
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return array_filter(array($this->findTemplate($view_model, $type))); |
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} |
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/** |
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* @param object $view_model view-model |
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* |
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* @return string|null template name (e.g. "Bar/Baz" for class Foo\Bar\Baz if $namespace is 'Foo') |
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* |
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* @throws RuntimeException if the given view-model doesn't belong to the base namespace |
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* |
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* @see ViewFinder::findTemplate() |
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*/ |
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protected function getTemplateName($view_model) |
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{ |
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$name = get_class($view_model); |
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if ($this->namespace !== null) { |
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$prefix = $this->namespace . '\\'; |
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$length = strlen($prefix); |
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if (strncmp($name, $prefix, $length) !== 0) { |
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return null; |
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} |
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$name = substr($name, $length); // trim namespace prefix from class-name |
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} |
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return strtr($name, '\\', '/'); |
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} |
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} |
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mindplay-dk /
kisstpl
