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/AttrDef/HTML/

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

/**
 * Validates a rel/rev link attribute against a directive of allowed values
 * @note We cannot use Enum because link types allow multiple
 *       values.
 * @note Assumes link types are ASCII text
 */
class HTMLPurifier_AttrDef_HTML_LinkTypes extends HTMLPurifier_AttrDef
{

    /** Name config attribute to pull. */
    protected $name;

    public function __construct($name) {
        $configLookup = array(
            'rel' => 'AllowedRel',
            'rev' => 'AllowedRev'
        );
        if (!isset($configLookup[$name])) {
            trigger_error('Unrecognized attribute name for link '.
                'relationship.', E_USER_ERROR);
            return;
        }
        $this->name = $configLookup[$name];
    }

    public function validate($string, $config, $context) {

        $allowed = $config->get('Attr', $this->name);
        if (empty($allowed)) return false;

        $string = $this->parseCDATA($string);
        $parts = explode(' ', $string);

        // lookup to prevent duplicates
        $ret_lookup = array();
        foreach ($parts as $part) {
            $part = strtolower(trim($part));
            if (!isset($allowed[$part])) continue;
            $ret_lookup[$part] = true;
        }

        if (empty($ret_lookup)) return false;
        $string = implode(' ', array_keys($ret_lookup));

        return $string;

    }

}

// vim: et sw=4 sts=4

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