mirror of
https://github.com/ezyang/htmlpurifier.git
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21ab12a6a8
- Add version to configuration object, and have update script change it accordingly git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1095 48356398-32a2-884e-a903-53898d9a118a
94 lines
2.8 KiB
PHP
94 lines
2.8 KiB
PHP
<?php
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require_once 'HTMLPurifier/DefinitionCache.php';
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class HTMLPurifier_DefinitionCache_Serializer extends
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HTMLPurifier_DefinitionCache
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{
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function add($def, $config) {
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if (!$this->checkDefType($def)) return;
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$file = $this->generateFilePath($config);
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if (file_exists($file)) return false;
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return $this->_write($file, serialize($def));
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}
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function set($def, $config) {
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if (!$this->checkDefType($def)) return;
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$file = $this->generateFilePath($config);
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return $this->_write($file, serialize($def));
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}
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function replace($def, $config) {
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if (!$this->checkDefType($def)) return;
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$file = $this->generateFilePath($config);
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if (!file_exists($file)) return false;
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return $this->_write($file, serialize($def));
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}
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function get($config) {
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$file = $this->generateFilePath($config);
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if (!file_exists($file)) return false;
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return unserialize(file_get_contents($file));
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}
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function remove($config) {
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$file = $this->generateFilePath($config);
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if (!file_exists($file)) return false;
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return unlink($file);
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}
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function flush() {
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$dir = $this->generateDirectoryPath();
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$dh = opendir($dir);
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while (false !== ($filename = readdir($dh))) {
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if (empty($filename)) continue;
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if ($filename[0] === '.') continue;
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// optimization: md5 + .ser will always be 36 char long
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// needs to be changed if we change the identifier
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if (strlen($filename) !== 36) continue;
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unlink($dir . '/' . $filename);
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}
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}
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/**
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* Generates the file path to the serial file corresponding to
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* the configuration and definition name
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*/
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function generateFilePath($config) {
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$key = $this->generateKey($config);
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return $this->generateDirectoryPath() . '/' . $key . '.ser';
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}
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/**
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* Generates the path to the directory contain this cache's serial files
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* @note No trailing slash
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*/
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function generateDirectoryPath() {
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return dirname(__FILE__) . '/Serializer/' . $this->type;
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}
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/**
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* Convenience wrapper function for file_put_contents
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* @param $file File name to write to
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* @param $data Data to write into file
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* @return Number of bytes written if success, or false if failure.
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*/
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function _write($file, $data) {
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static $file_put_contents;
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if ($file_put_contents === null) {
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$file_put_contents = function_exists('file_put_contents');
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}
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if ($file_put_contents) {
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return file_put_contents($file, $data);
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}
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$fh = fopen($file, 'w');
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if (!$fh) return false;
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$status = fwrite($fh, $data);
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fclose($fh);
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return $status;
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}
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}
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?>
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