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<?php |
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/** |
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* @author stev leibelt <[email protected]> |
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* @since 2015-10-07 |
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*/ |
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namespace Net\Bazzline\Component\Template; |
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use InvalidArgumentException; |
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use RuntimeException; |
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abstract class AbstractFileBasedTemplate extends AbstractTemplate |
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{ |
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/** @var null|string */ |
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private $filePath; |
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/** |
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* @param array $variables |
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* @param null|string $filePath |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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public function __construct($variables = array(), $filePath = null) |
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{ |
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parent::__construct($variables); |
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$this->setFilePathIfProvided($filePath); |
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} |
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/** |
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* @param array $variables |
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* @param null $filePath |
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* @return string |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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public function __invoke($variables = array(), $filePath = null) |
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{ |
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$this->setFilePathIfProvided($filePath); |
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return parent::__invoke($variables); |
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} |
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/** |
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* @param string $filePath |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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public function setFilePath($filePath) |
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{ |
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$this->throwRuntimeExceptionIfFilePathIsInvalid($filePath); |
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if (!is_readable($filePath)) { |
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throw new InvalidArgumentException( |
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'file path: "' . $filePath . '" is not readable' |
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); |
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} |
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$this->filePath = $filePath; |
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} |
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/** |
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* @return string |
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* @throws RuntimeException |
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*/ |
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protected function getContent() |
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{ |
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$filePath = $this->getFilePath(); |
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$this->throwRuntimeExceptionIfFilePathIsInvalid($filePath); |
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$content = file_get_contents($filePath); |
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if ($content === false) { |
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throw new RuntimeException( |
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'could not read content from "' . $filePath . '"' |
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); |
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} |
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return $content; |
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} |
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/** |
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* @return null|string |
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*/ |
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protected function getFilePath() |
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{ |
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return $this->filePath; |
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} |
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/** |
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* @param string $filePath |
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* @throws RuntimeException |
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*/ |
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protected function throwRuntimeExceptionIfFilePathIsInvalid($filePath) |
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{ |
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if (is_null($filePath)) { |
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throw new RuntimeException( |
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'file path must be a valid string' |
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); |
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} |
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if (!file_exists($filePath)) { |
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throw new InvalidArgumentException( |
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'file path: "' . $filePath . '" does not exist' |
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); |
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} |
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if (!is_readable($filePath)) { |
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throw new RuntimeException( |
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'file path: "' . $filePath . '" is not readable' |
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); |
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} |
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} |
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/** |
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* @param null|string $filePath |
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* @throws RuntimeException |
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*/ |
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protected function setFilePathIfProvided($filePath = null) |
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{ |
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if (!is_null($filePath)) { |
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$this->setFilePath($filePath); |
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} |
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} |
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} |
bazzline /
php_component_template
