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<?php |
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/** |
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* @copyright 2017 Vladimir Jimenez |
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* @license https://github.com/allejo/stakx/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\stakx\Document; |
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use allejo\stakx\Filesystem\File; |
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use allejo\stakx\Filesystem\FilesystemLoader as fs; |
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use allejo\stakx\Utilities\NullableArray; |
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use Symfony\Component\Filesystem\Exception\FileNotFoundException; |
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abstract class ReadableDocument |
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{ |
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/** |
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* Do not read the file immediately at construction. The object will need to execute the self::refreshFileContent() |
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* manually at some point. |
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* |
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* @var bool |
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*/ |
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protected $noReadOnConstructor = false; |
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/** @var string The content of the document's body. */ |
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protected $bodyContent = ''; |
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protected $metadata; |
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protected $file; |
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private $compiled = false; |
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/** |
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* ReadableDocument Constructor. |
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* |
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* @throws FileNotFoundException When the file given in the constructor does not exist or may not be accessible. |
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*/ |
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public function __construct(File $file) |
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{ |
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$this->metadata = new NullableArray(); |
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$this->file = $file; |
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if (!$this->noReadOnConstructor) |
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{ |
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$this->readContent(); |
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} |
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} |
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/** |
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* Get the contents of this document. |
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* |
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* @return string |
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*/ |
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public function getContent() |
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{ |
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return $this->bodyContent; |
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} |
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/** |
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* @return string |
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*/ |
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public function getIndexName() |
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{ |
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return $this->getRelativeFilePath(); |
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} |
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/** |
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* When a document is compiled, all of its internals are finished being configured. |
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*/ |
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final public function compile() |
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{ |
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if ($this->compiled) |
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{ |
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return; |
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} |
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$this->beforeCompile(); |
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$this->compiled = true; |
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} |
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/** |
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* Determine whether or not this document has been compiled. |
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* |
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* @return bool |
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*/ |
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final protected function isCompiled() |
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{ |
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return $this->compiled; |
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} |
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/** |
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* Get the original File object given to this document. |
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* |
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* @return File |
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*/ |
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final public function getFile() |
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{ |
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return $this->file; |
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} |
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/** |
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* Get the relative path to the file, with respect to the site root. |
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* |
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* @return string |
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*/ |
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final public function getRelativeFilePath() |
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{ |
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return $this->file->getRelativeFilePath(); |
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} |
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/** |
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* Get the extension of the file. |
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* |
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* @return string |
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*/ |
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final public function getExtension() |
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{ |
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return $this->file->getExtension(); |
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} |
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/** |
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* Get the name of the file without the extension. |
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* |
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* @return string |
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*/ |
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final public function getBasename() |
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{ |
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return $this->file->getBasename(); |
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} |
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/** |
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* Get the absolute path to the file. |
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* |
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* @return string |
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*/ |
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final public function getAbsoluteFilePath() |
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{ |
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return $this->file->getAbsolutePath(); |
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} |
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/** |
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* Get the name of the file with its extension. |
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* |
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* @return string |
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*/ |
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final public function getFilename() |
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{ |
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return $this->file->getFilename(); |
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} |
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/** |
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* Read the contents of this file and handle all of the necessary processing/setup for this document. |
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*/ |
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final public function readContent() |
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{ |
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$beforeEvent = $this->beforeReadContents(); |
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$actualEvent = $this->readContents($beforeEvent); |
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$this->afterReadContents($actualEvent); |
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} |
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/** |
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* Prepare the Document so it can handle the data that's about to be read in. |
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* |
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* @return mixed Any information that will be passed to the readContents() method. |
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*/ |
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protected function beforeReadContents() |
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{ |
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return null; |
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} |
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/** |
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* Read the contents of the file and store the information internally **only**. |
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* |
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* This method must **not** handle any parsing or processing of the file's content. That should be handled by the |
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* `afterReadContents()` method. |
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* |
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* @param mixed $mixed Any information returned from the beforeReadContents() method. |
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* |
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* @throws \RuntimeException When the file cannot be read. |
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* |
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* @return mixed |
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*/ |
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abstract protected function readContents($mixed); |
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/** |
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* After the Document's content has been read, process the it and handle any parsing that's needed. |
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* |
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* @param mixed $mixed Any information returned from the readContents() method. |
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*/ |
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protected function afterReadContents($mixed) {} |
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/** |
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* Functionality that needs to take place before this document is considered "compiled," meaning everything has been |
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* processed, configured, and built. |
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*/ |
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protected function beforeCompile() {} |
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} |
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