remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / Context.php

<?php\r
\r
/**\r
 * Registry object that contains information about the current context.\r
 * @warning Is a bit buggy when variables are set to null: it thinks\r
 *          they don't exist! So use false instead, please.\r
 * @note Since the variables Context deals with may not be objects,\r
 *       references are very important here! Do not remove!\r
 */\r
class HTMLPurifier_Context\r
{\r
\r
    /**\r
     * Private array that stores the references.\r
     * @type array\r
     */\r
    private $_storage = array();\r
\r
    /**\r
     * Registers a variable into the context.\r
     * @param string $name String name\r
     * @param mixed $ref Reference to variable to be registered\r
     */\r
    public function register($name, &$ref)\r
    {\r
        if (array_key_exists($name, $this->_storage)) {\r
            trigger_error(\r
                "Name $name produces collision, cannot re-register",\r
                E_USER_ERROR\r
            );\r
            return;\r
        }\r
        $this->_storage[$name] =& $ref;\r
    }\r
\r
    /**\r
     * Retrieves a variable reference from the context.\r
     * @param string $name String name\r
     * @param bool $ignore_error Boolean whether or not to ignore error\r
     * @return mixed\r
     */\r
    public function &get($name, $ignore_error = false)\r
    {\r
        if (!array_key_exists($name, $this->_storage)) {\r
            if (!$ignore_error) {\r
                trigger_error(\r
                    "Attempted to retrieve non-existent variable $name",\r
                    E_USER_ERROR\r
                );\r
            }\r
            $var = null; // so we can return by reference\r
            return $var;\r
        }\r
        return $this->_storage[$name];\r
    }\r
\r
    /**\r
     * Destroys a variable in the context.\r
     * @param string $name String name\r
     */\r
    public function destroy($name)\r
    {\r
        if (!array_key_exists($name, $this->_storage)) {\r
            trigger_error(\r
                "Attempted to destroy non-existent variable $name",\r
                E_USER_ERROR\r
            );\r
            return;\r
        }\r
        unset($this->_storage[$name]);\r
    }\r
\r
    /**\r
     * Checks whether or not the variable exists.\r
     * @param string $name String name\r
     * @return bool\r
     */\r
    public function exists($name)\r
    {\r
        return array_key_exists($name, $this->_storage);\r
    }\r
\r
    /**\r
     * Loads a series of variables from an associative array\r
     * @param array $context_array Assoc array of variables to load\r
     */\r
    public function loadArray($context_array)\r
    {\r
        foreach ($context_array as $key => $discard) {\r
            $this->register($key, $context_array[$key]);\r
        }\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r