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78 lines
2.7 KiB
78 lines
2.7 KiB
<?php |
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namespace yii\base; |
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/** |
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* Created by JetBrains PhpStorm. |
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* User: qiang |
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* Date: 2/1/13 |
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* Time: 12:43 PM |
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* To change this template use File | Settings | File Templates. |
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*/ |
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abstract class ViewRenderer extends Component |
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{ |
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/** |
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* @var boolean whether to store the parsing results in the application's |
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* runtime directory. Defaults to true. If false, the parsing results will |
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* be saved as files under the same directory as the source view files and the |
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* file names will be the source file names appended with letter 'c'. |
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*/ |
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public $useRuntimePath = true; |
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/** |
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* @var integer the chmod permission for temporary directories and files |
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* generated during parsing. Defaults to 0755 (owner rwx, group rx and others rx). |
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*/ |
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public $filePermission = 0755; |
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/** |
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* @var string the extension name of the view file. Defaults to '.php'. |
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*/ |
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public $fileExtension = '.php'; |
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/** |
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* Parses the source view file and saves the results as another file. |
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* @param string $sourceFile the source view file path |
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* @param string $viewFile the resulting view file path |
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*/ |
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abstract protected function generateViewFile($sourceFile, $viewFile); |
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/** |
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* Renders a view file. |
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* This method is required by {@link IViewRenderer}. |
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* @param CBaseController $context the controller or widget who is rendering the view file. |
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* @param string $sourceFile the view file path |
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* @param mixed $data the data to be passed to the view |
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* @param boolean $return whether the rendering result should be returned |
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* @return mixed the rendering result, or null if the rendering result is not needed. |
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*/ |
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public function renderFile($context, $sourceFile, $data, $return) |
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{ |
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if (!is_file($sourceFile) || ($file = realpath($sourceFile)) === false) { |
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throw new CException(Yii::t('yii', 'View file "{file}" does not exist.', array('{file}' => $sourceFile))); |
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} |
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$viewFile = $this->getViewFile($sourceFile); |
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if (@filemtime($sourceFile) > @filemtime($viewFile)) { |
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$this->generateViewFile($sourceFile, $viewFile); |
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@chmod($viewFile, $this->filePermission); |
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} |
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return $context->renderInternal($viewFile, $data, $return); |
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} |
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/** |
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* Generates the resulting view file path. |
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* @param string $file source view file path |
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* @return string resulting view file path |
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*/ |
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protected function getViewFile($file) |
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{ |
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if ($this->useRuntimePath) { |
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$crc = sprintf('%x', crc32(get_class($this) . Yii::getVersion() . dirname($file))); |
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$viewFile = Yii::app()->getRuntimePath() . DIRECTORY_SEPARATOR . 'views' . DIRECTORY_SEPARATOR . $crc . DIRECTORY_SEPARATOR . basename($file); |
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if (!is_file($viewFile)) { |
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@mkdir(dirname($viewFile), $this->filePermission, true); |
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} |
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return $viewFile; |
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} else { |
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return $file . 'c'; |
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} |
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} |
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}
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