晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /home/akaindir/www/crm/libraries/htmlpurifier/library/HTMLPurifier/

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Current File : //home/akaindir/www/crm/libraries/htmlpurifier/library/HTMLPurifier/Context.php
<?php

/**
 * Registry object that contains information about the current context.
 * @warning Is a bit buggy when variables are set to null: it thinks
 *          they don't exist! So use false instead, please.
 * @note Since the variables Context deals with may not be objects,
 *       references are very important here! Do not remove!
 */
class HTMLPurifier_Context
{

    /**
     * Private array that stores the references.
     */
    private $_storage = array();

    /**
     * Registers a variable into the context.
     * @param $name String name
     * @param $ref Reference to variable to be registered
     */
    public function register($name, &$ref) {
        if (isset($this->_storage[$name])) {
            trigger_error("Name $name produces collision, cannot re-register",
                          E_USER_ERROR);
            return;
        }
        $this->_storage[$name] =& $ref;
    }

    /**
     * Retrieves a variable reference from the context.
     * @param $name String name
     * @param $ignore_error Boolean whether or not to ignore error
     */
    public function &get($name, $ignore_error = false) {
        if (!isset($this->_storage[$name])) {
            if (!$ignore_error) {
                trigger_error("Attempted to retrieve non-existent variable $name",
                              E_USER_ERROR);
            }
            $var = null; // so we can return by reference
            return $var;
        }
        return $this->_storage[$name];
    }

    /**
     * Destorys a variable in the context.
     * @param $name String name
     */
    public function destroy($name) {
        if (!isset($this->_storage[$name])) {
            trigger_error("Attempted to destroy non-existent variable $name",
                          E_USER_ERROR);
            return;
        }
        unset($this->_storage[$name]);
    }

    /**
     * Checks whether or not the variable exists.
     * @param $name String name
     */
    public function exists($name) {
        return isset($this->_storage[$name]);
    }

    /**
     * Loads a series of variables from an associative array
     * @param $context_array Assoc array of variables to load
     */
    public function loadArray($context_array) {
        foreach ($context_array as $key => $discard) {
            $this->register($key, $context_array[$key]);
        }
    }

}

// vim: et sw=4 sts=4

haha - 2025