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104 lines
3.2 KiB
104 lines
3.2 KiB
<?php |
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/** |
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* Smarty Resource Plugin |
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* |
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* @package Smarty |
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* @subpackage TemplateResources |
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* @author Rodney Rehm |
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*/ |
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/** |
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* Smarty Resource Plugin |
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* Wrapper Implementation for custom resource plugins |
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* |
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* @package Smarty |
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* @subpackage TemplateResources |
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*/ |
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abstract class Smarty_Resource_Custom extends Smarty_Resource |
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{ |
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/** |
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* fetch template and its modification time from data source |
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* |
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* @param string $name template name |
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* @param string &$source template source |
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* @param integer &$mtime template modification timestamp (epoch) |
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*/ |
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abstract protected function fetch($name, &$source, &$mtime); |
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/** |
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* Fetch template's modification timestamp from data source |
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* {@internal implementing this method is optional. |
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* Only implement it if modification times can be accessed faster than loading the complete template source.}} |
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* |
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* @param string $name template name |
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* |
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* @return integer|boolean timestamp (epoch) the template was modified, or false if not found |
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*/ |
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protected function fetchTimestamp($name) |
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{ |
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return null; |
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} |
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/** |
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* populate Source Object with meta data from Resource |
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* |
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* @param Smarty_Template_Source $source source object |
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* @param Smarty_Internal_Template $_template template object |
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*/ |
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public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null) |
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{ |
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$source->filepath = $source->type . ':' . $this->generateSafeName($source->name); |
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$source->uid = sha1($source->type . ':' . $source->name); |
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$mtime = $this->fetchTimestamp($source->name); |
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if ($mtime !== null) { |
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$source->timestamp = $mtime; |
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} else { |
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$this->fetch($source->name, $content, $timestamp); |
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$source->timestamp = isset($timestamp) ? $timestamp : false; |
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if (isset($content)) { |
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$source->content = $content; |
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} |
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} |
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$source->exists = !!$source->timestamp; |
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} |
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/** |
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* Load template's source into current template object |
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* |
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* @param Smarty_Template_Source $source source object |
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* |
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* @return string template source |
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* @throws SmartyException if source cannot be loaded |
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*/ |
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public function getContent(Smarty_Template_Source $source) |
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{ |
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$this->fetch($source->name, $content, $timestamp); |
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if (isset($content)) { |
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return $content; |
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} |
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throw new SmartyException("Unable to read template {$source->type} '{$source->name}'"); |
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} |
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/** |
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* Determine basename for compiled filename |
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* |
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* @param Smarty_Template_Source $source source object |
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* |
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* @return string resource's basename |
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*/ |
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public function getBasename(Smarty_Template_Source $source) |
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{ |
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return basename($this->generateSafeName($source->name)); |
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} |
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/** |
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* Removes special characters from $name and limits its length to 127 characters. |
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* |
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* @param $name |
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* |
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* @return string |
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*/ |
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private function generateSafeName($name): string { |
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return substr(preg_replace('/[^A-Za-z0-9._]/', '', (string) $name), 0, 127); |
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} |
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}
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