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/public_html/crm/libraries/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/

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

/**
 * Validates the HTML attribute ID.
 * @warning Even though this is the id processor, it
 *          will ignore the directive Attr:IDBlacklist, since it will only
 *          go according to the ID accumulator. Since the accumulator is
 *          automatically generated, it will have already absorbed the
 *          blacklist. If you're hacking around, make sure you use load()!
 */

class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
{

    // ref functionality disabled, since we also have to verify
    // whether or not the ID it refers to exists

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

        if (!$config->get('Attr', 'EnableID')) return false;

        $id = trim($id); // trim it first

        if ($id === '') return false;

        $prefix = $config->get('Attr', 'IDPrefix');
        if ($prefix !== '') {
            $prefix .= $config->get('Attr', 'IDPrefixLocal');
            // prevent re-appending the prefix
            if (strpos($id, $prefix) !== 0) $id = $prefix . $id;
        } elseif ($config->get('Attr', 'IDPrefixLocal') !== '') {
            trigger_error('%Attr.IDPrefixLocal cannot be used unless '.
                '%Attr.IDPrefix is set', E_USER_WARNING);
        }

        //if (!$this->ref) {
            $id_accumulator =& $context->get('IDAccumulator');
            if (isset($id_accumulator->ids[$id])) return false;
        //}

        // we purposely avoid using regex, hopefully this is faster

        if (ctype_alpha($id)) {
            $result = true;
        } else {
            if (!ctype_alpha(@$id[0])) return false;
            $trim = trim( // primitive style of regexps, I suppose
                $id,
                'A..Za..z0..9:-._'
              );
            $result = ($trim === '');
        }

        $regexp = $config->get('Attr', 'IDBlacklistRegexp');
        if ($regexp && preg_match($regexp, $id)) {
            return false;
        }

        if (/*!$this->ref && */$result) $id_accumulator->add($id);

        // if no change was made to the ID, return the result
        // else, return the new id if stripping whitespace made it
        //     valid, or return false.
        return $result ? $id : false;

    }

}

// vim: et sw=4 sts=4

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