<?php
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
/**
 * Typecho Blog Platform
 *
 * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
 * @license    GNU General Public License 2.0
 * @version    $Id: Posts.php 200 2008-05-21 06:33:20Z magike.net $
 */

/**
 * 内容的文章基类
 * 定义的css类
 * p.more:阅读全文链接所属段落
 *
 * @package Widget
 */
class Widget_Archive extends Widget_Abstract_Contents
{
    /**
     * 调用的风格文件
     *
     * @access private
     * @var string
     */
    private $_themeFile;
    
    /**
     * 风格目录
     * 
     * @access private
     * @var string
     */
    private $_themeDir;

    /**
     * 分页计算对象
     *
     * @access private
     * @var Typecho_Db_Query
     */
    private $_countSql;

    /**
     * 所有文章个数
     *
     * @access private
     * @var integer
     */
    private $_total = false;

    /**
     * 标记是否为从外部调用
     *
     * @access private
     * @var boolean
     */
    private $_invokeFromOutside = false;

    /**
     * 是否由聚合调用
     *
     * @access private
     * @var boolean
     */
    private $_invokeByFeed = false;

    /**
     * 当前页
     *
     * @access private
     * @var integer
     */
    private $_currentPage;

    /**
     * 生成分页的内容
     *
     * @access private
     * @var array
     */
    private $_pageRow = array();

    /**
     * 聚合器对象
     *
     * @access private
     * @var Typecho_Feed
     */
    private $_feed;

    /**
     * RSS 2.0聚合地址
     *
     * @access private
     * @var string
     */
    private $_feedUrl;

    /**
     * RSS 1.0聚合地址
     *
     * @access private
     * @var string
     */
    private $_feedRssUrl;

    /**
     * ATOM 聚合地址
     *
     * @access private
     * @var string
     */
    private $_feedAtomUrl;

    /**
     * 本页关键字
     *
     * @access private
     * @var string
     */
    private $_keywords;

    /**
     * 本页描述
     *
     * @access private
     * @var string
     */
    private $_description;

    /**
     * 聚合类型
     *
     * @access private
     * @var string
     */
    private $_feedType;

    /**
     * 聚合类型
     *
     * @access private
     * @var string
     */
    private $_feedContentType;

    /**
     * 当前feed地址
     *
     * @access private
     * @var string
     */
    private $_currentFeedUrl;

    /**
     * 归档标题
     *
     * @access private
     * @var string
     */
    private $_archiveTitle = NULL;

    /**
     * 归档类型
     *
     * @access private
     * @var string
     */
    private $_archiveType = 'index';

    /**
     * 是否为单一归档
     *
     * @access private
     * @var string
     */
    private $_archiveSingle = false;
    
    /**
     * 是否为自定义首页, 主要为了标记自定义首页的情况
     * 
     * (default value: false)
     * 
     * @var boolean
     * @access private
     */
    private $_makeSinglePageAsFrontPage = false;

    /**
     * 归档缩略名
     *
     * @access private
     * @var string
     */
    private $_archiveSlug;

    /**
     * 设置分页对象
     *
     * @access private
     * @var Typecho_Widget_Helper_PageNavigator
     */
    private $_pageNav;

    /**
     * 构造函数,初始化组件
     *
     * @param mixed $request
     * @param mixed $response
     * @param mixed $params
     * @throws Typecho_Widget_Exception
     */
    public function __construct($request, $response, $params = NULL)
    {
        parent::__construct($request, $response, $params);

        $this->parameter->setDefault(array(
            'pageSize'          =>  $this->options->pageSize,
            'type'              =>  NULL,
            'checkPermalink'    =>  true
        ));

        /** 用于判断是路由调用还是外部调用 */
        if (NULL == $this->parameter->type) {
            $this->parameter->type = Typecho_Router::$current;
        } else {
            $this->_invokeFromOutside = true;
        }

        /** 用于判断是否为feed调用 */
        if ($this->parameter->isFeed) {
            $this->_invokeByFeed = true;
        }
        
        /** 初始化皮肤路径 */
        $this->_themeDir = rtrim($this->options->themeFile($this->options->theme), '/') . '/';

        /** 处理feed模式 **/
        if ('feed' == $this->parameter->type) {

            $this->_currentFeedUrl = '';

            /** 判断聚合类型 */
            switch (true) {
                case 0 === strpos($this->request->feed, '/rss/') || '/rss' == $this->request->feed:
                    /** 如果是RSS1标准 */
                    $this->request->feed = substr($this->request->feed, 4);
                    $this->_feedType = Typecho_Feed::RSS1;
                    $this->_currentFeedUrl = $this->options->feedRssUrl;
                    $this->_feedContentType = 'application/rdf+xml';
                    break;
                case 0 === strpos($this->request->feed, '/atom/') || '/atom' == $this->request->feed:
                    /** 如果是ATOM标准 */
                    $this->request->feed = substr($this->request->feed, 5);
                    $this->_feedType = Typecho_Feed::ATOM1;
                    $this->_currentFeedUrl = $this->options->feedAtomUrl;
                    $this->_feedContentType = 'application/atom+xml';
                    break;
                default:
                    $this->_feedType = Typecho_Feed::RSS2;
                    $this->_currentFeedUrl = $this->options->feedUrl;
                    $this->_feedContentType = 'application/rss+xml';
                    break;
            }

            $feedQuery = $this->request->feed;
            //$this->parameter->type = Typecho_Router::$current;
            //$this->request->setParams($params);

            if ('/comments/' == $feedQuery || '/comments' == $feedQuery) {
                /** 专为feed使用的hack */
                $this->parameter->type = 'comments';
            } else {
                $matched = Typecho_Router::match($this->request->feed, 'pageSize=10&isFeed=1');
                if ($matched && $matched instanceof Widget_Archive) {
                    $this->import($matched);
                } else {
                    throw new Typecho_Widget_Exception(_t('聚合页不存在'), 404);
                }
            }

            /** 初始化聚合器 */
            $this->setFeed(new Typecho_Feed(Typecho_Common::VERSION, $this->_feedType, $this->options->charset, _t('zh-CN')));

            /** 默认输出10则文章 **/
            $this->parameter->pageSize = 10;
        }
    }
    
    /**
     * 评论地址
     * 
     * @access protected
     * @return string
     */
    protected function ___commentUrl()
    {
        /** 生成反馈地址 */
        /** 评论 */
        $commentUrl = parent::___commentUrl();
        
        //不依赖js的父级评论
        $reply = $this->request->filter('int')->replyTo;
        if ($reply && $this->is('single')) {
            $commentUrl .= '?parent=' . $reply;
        }
        
        return $this->options->commentsAntiSpam ? $commentUrl : $this->security->getTokenUrl($commentUrl);
    }

    /**
     * 设置分页对象
     * @param array $pageRow
     * @return void
     */
    public function setPageRow($pageRow)
    {
        $this->_pageRow = $pageRow;
    }

    /**
     * @param string $archiveSlug the $_archiveSlug to set
     */
    public function setArchiveSlug($archiveSlug)
    {
        $this->_archiveSlug = $archiveSlug;
    }

    /**
     * @param string $archiveSingle the $_archiveSingle to set
     */
    public function setArchiveSingle($archiveSingle)
    {
        $this->_archiveSingle = $archiveSingle;
    }

    /**
     * @param $archiveType the $_archiveType to set
     */
    public function setArchiveType($archiveType)
    {
        $this->_archiveType = $archiveType;
    }

    /**
     * @param $archiveTitle the $_archiveTitle to set
     */
    public function setArchiveTitle($archiveTitle)
    {
        $this->_archiveTitle = $archiveTitle;
    }

    /**
     * 增加标题
     * @param string $archiveTitle 标题
     * @return void
     */
    public function addArchiveTitle($archiveTitle)
    {
        $current = $this->getArchiveTitle();
        $current[] = $archiveTitle;
        $this->setArchiveTitle($current);
    }

    /**
     * @param $feedType the $_feedType to set
     */
    public function setFeedType($feedType)
    {
        $this->_feedType = $feedType;
    }

    /**
     * @param $description the $_description to set
     */
    public function setDescription($description)
    {
        $this->_description = $description;
    }

    /**
     * @param $keywords the $_keywords to set
     */
    public function setKeywords($keywords)
    {
        $this->_keywords = $keywords;
    }

    /**
     * @param $feedAtomUrl the $_feedAtomUrl to set
     */
    public function setFeedAtomUrl($feedAtomUrl)
    {
        $this->_feedAtomUrl = $feedAtomUrl;
    }

    /**
     * @param $feedRssUrl the $_feedRssUrl to set
     */
    public function setFeedRssUrl($feedRssUrl)
    {
        $this->_feedRssUrl = $feedRssUrl;
    }

    /**
     * @param $feedUrl the $_feedUrl to set
     */
    public function setFeedUrl($feedUrl)
    {
        $this->_feedUrl = $feedUrl;
    }

    /**
     * @param $feed the $_feed to set
     */
    public function setFeed($feed)
    {
        $this->_feed = $feed;
    }

    /**
     * @param $countSql the $_countSql to set
     */
    public function setCountSql($countSql)
    {
        $this->_countSql = $countSql;
    }

    /**
     * @param $total the $_total to set
     */
    public function setTotal($total)
    {
        $this->_total = $total;
    }

    /**
     * @param $themeFile the $_themeFile to set
     */
    public function setThemeFile($themeFile)
    {
        $this->_themeFile = $themeFile;
    }
    
    /**
     * @param $themeDir the $_themeDir to set
     */
    public function setThemeDir($themeDir)
    {
        $this->_themeDir = $themeDir;
    }

    /**
     * 获取分页对象
     * @return array
     */
    public function getPageRow()
    {
        return $this->_pageRow;
    }

    /**
     * @return string
     */
    public function getArchiveSlug()
    {
        return $this->_archiveSlug;
    }

    /**
     * @return string
     */
    public function getArchiveSingle()
    {
        return $this->_archiveSingle;
    }

    /**
     * @return string
     */
    public function getArchiveType()
    {
        return $this->_archiveType;
    }

    /**
     * @return string
     */
    public function getArchiveTitle()
    {
        return $this->_archiveTitle;
    }

    /**
     * @return string
     */
    public function getFeedType()
    {
        return $this->_feedType;
    }

    /**
     * @return string
     */
    public function getDescription()
    {
        return $this->_description;
    }

    /**
     * @return string
     */
    public function getKeywords()
    {
        return $this->_keywords;
    }

    /**
     * @return string
     */
    public function getFeedAtomUrl()
    {
        return $this->_feedAtomUrl;
    }

    /**
     * @return string
     */
    public function getFeedRssUrl()
    {
        return $this->_feedRssUrl;
    }

    /**
     * @return string
     */
    public function getFeedUrl()
    {
        return $this->_feedUrl;
    }

    /**
     * @return Typecho_Feed
     */
    public function getFeed()
    {
        return $this->_feed;
    }

    /**
     * @return Typecho_Db_Query
     */
    public function getCountSql()
    {
        return $this->_countSql;
    }

    /**
     * @return int
     */
    public function getTotal()
    {
        if (false === $this->_total) {
            $this->_total = $this->size($this->_countSql);
        }

        return $this->_total;
    }

    /**
     * @return int
     */
    public function getCurrentPage()
    {
        return $this->_currentPage;
    }

    /**
     * 获取页数
     * 
     * @return integer
     */
    public function getTotalPage()
    {
        return ceil($this->getTotal() / $this->parameter->pageSize);
    }

    /**
     * @return string
     */
    public function getThemeFile()
    {
        return $this->_themeFile;
    }
    
    /**
     * @return string
     */
    public function getThemeDir()
    {
        return $this->_themeDir;
    }

    /**
     * 检查链接是否正确
     * 
     * @access private
     * @return void
     */
    private function checkPermalink()
    {
        $type = $this->parameter->type;

        if (in_array($type, array('index', 'comment_page', 404))
            || $this->_makeSinglePageAsFrontPage    // 自定义首页不处理
            || !$this->parameter->checkPermalink) { // 强制关闭
            return;
        }
        
        if ($this->_archiveSingle) {
            $permalink = $this->permalink;
        } else {
            $value = array_merge($this->_pageRow, array(
                'page'  =>  $this->_currentPage
            ));

            $path = Typecho_Router::url($type, $value);
            $permalink = Typecho_Common::url($path, $this->options->index);
        }

        $requestUrl = $this->request->getRequestUrl();

        $src = parse_url($permalink);
        $target = parse_url($requestUrl);

        if ($src['host'] != $target['host'] || urldecode($src['path']) != urldecode($target['path'])) {
            $this->response->redirect($permalink, true);
        }
    }

    /**
     * 导入对象
     *
     * @access private
     * @param Widget_Archive $widget 需要导入的对象
     * @return void
     */
    private function import(Widget_Archive $widget)
    {
        $currentProperties = get_object_vars($this);

        foreach ($currentProperties as $name => $value) {
            if (false !== strpos('|request|response|parameter|_feed|_feedType|_currentFeedUrl|', '|' . $name . '|')) {
                continue;
            }

            if (isset($widget->{$name})) {
                $this->{$name} = $widget->{$name};
            } else {
                $method = ucfirst(trim($name, '_'));
                $setMethod = 'set' . $method;
                $getMethod = 'get' . $method;

                if (method_exists($this, $setMethod)
                    && method_exists($widget, $getMethod)) {
                    $this->{$setMethod}($widget->{$getMethod}());
                }
            }
        }
    }

    /**
     * 处理index
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     */
    private function indexHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        $select->where('table.contents.type = ?', 'post');

        /** 插件接口 */
        $this->pluginHandle()->indexHandle($this, $select);
    }

    /**
     * 默认的非首页归档处理
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     * @throws Typecho_Widget_Exception
     */
    private function archiveEmptyHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        throw new Typecho_Widget_Exception(_t('请求的地址不存在'), 404);
    }

    /**
     * 404页面处理
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     */
    private function error404Handle(Typecho_Db_Query $select, &$hasPushed)
    {
        /** 设置header */
        $this->response->setStatus(404);

        /** 设置标题 */
        $this->_archiveTitle = _t('页面没找到');

        /** 设置归档类型 */
        $this->_archiveType = 'archive';

        /** 设置归档缩略名 */
        $this->_archiveSlug = 404;

        /** 设置归档模板 */
        $this->_themeFile = '404.php';

        /** 设置单一归档类型 */
        $this->_archiveSingle = false;

        $hasPushed = true;

        /** 插件接口 */
        $this->pluginHandle()->error404Handle($this, $select);
    }

    /**
     * 独立页处理
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     * @throws Typecho_Widget_Exception
     */
    private function singleHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        if ('comment_page' == $this->parameter->type) {
            $params = array();
            $matched = Typecho_Router::match($this->request->permalink);

            if ($matched && $matched instanceof Widget_Archive && $matched->is('single')) {
                $this->import($matched);
                $hasPushed = true;
                return;
            }
        }

        /** 将这两个设置提前是为了保证在调用query的plugin时可以在插件中使用is判断初步归档类型 */
        /** 如果需要更细判断，则可以使用singleHandle来实现 */
        $this->_archiveSingle = true;

        /** 默认归档类型 */
        $this->_archiveType = 'single';

        /** 匹配类型 */
        
        if ('single' != $this->parameter->type) {
            $select->where('table.contents.type = ?', $this->parameter->type);
        }

        /** 如果是单篇文章或独立页面 */
        if (isset($this->request->cid)) {
            $select->where('table.contents.cid = ?', $this->request->filter('int')->cid);
        }

        /** 匹配缩略名 */
        if (isset($this->request->slug)) {
            $select->where('table.contents.slug = ?', $this->request->slug);
        }

        /** 匹配时间 */
        if (isset($this->request->year)) {
            $year = $this->request->filter('int')->year;

            $fromMonth = 1;
            $toMonth = 12;

            $fromDay = 1;
            $toDay = 31;

            if (isset($this->request->month)) {
                $fromMonth = $this->request->filter('int')->month;
                $toMonth = $fromMonth;

                $fromDay = 1;
                $toDay = date('t', mktime(0, 0, 0, $toMonth, 1, $year));

                if (isset($this->request->day)) {
                    $fromDay = $this->request->filter('int')->day;
                    $toDay = $fromDay;
                }
            }

            /** 获取起始GMT时间的unix时间戳 */
            $from = mktime(0, 0, 0, $fromMonth, $fromDay, $year) - $this->options->timezone + $this->options->serverTimezone;
            $to = mktime(23, 59, 59, $toMonth, $toDay, $year) - $this->options->timezone + $this->options->serverTimezone;
            $select->where('table.contents.created >= ? AND table.contents.created < ?', $from, $to);
        }

        /** 保存密码至cookie */
        if ($this->request->isPost() && isset($this->request->protectPassword)) {
            $this->security->protect();
            Typecho_Cookie::set('protectPassword', $this->request->protectPassword, 0);
        }

        /** 匹配类型 */
        $select->limit(1);
        $this->query($select);

        if (!$this->have() 
            || (isset($this->request->category) && $this->category != $this->request->category)
            || (isset($this->request->directory) && $this->request->directory != implode('/', $this->directory))) {
            if (!$this->_invokeFromOutside) {
                /** 对没有索引情况下的判断 */
                throw new Typecho_Widget_Exception(_t('请求的地址不存在'), 404);
            } else {
                $hasPushed = true;
                return;
            }
        }

        /** 设置模板 */
        if ($this->template) {
            /** 应用自定义模板 */
            $this->_themeFile = $this->template;
        }

        /** 设置头部feed */
        /** RSS 2.0 */

        //对自定义首页使用全局变量
        if (!$this->_makeSinglePageAsFrontPage) {
            $this->_feedUrl = $this->feedUrl;

            /** RSS 1.0 */
            $this->_feedRssUrl = $this->feedRssUrl;

            /** ATOM 1.0 */
            $this->_feedAtomUrl = $this->feedAtomUrl;

            /** 设置标题 */
            $this->_archiveTitle = $this->title;

            /** 设置关键词 */
            $this->_keywords = implode(',', Typecho_Common::arrayFlatten($this->tags, 'name'));

            /** 设置描述 */
            $this->_description = $this->description;
        }

        /** 设置归档类型 */
        $this->_archiveType = $this->type;

        /** 设置归档缩略名 */
        $this->_archiveSlug = ('post' == $this->type || 'attachment' == $this->type) ? $this->cid : $this->slug;

        /** 设置403头 */
        if ($this->hidden) {
            $this->response->setStatus(403);
        }

        $hasPushed = true;

        /** 插件接口 */
        $this->pluginHandle()->singleHandle($this, $select);
    }

    /**
     * 处理分类
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     * @throws Typecho_Widget_Exception
     */
    private function categoryHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        /** 如果是分类 */
        $categorySelect = $this->db->select()
        ->from('table.metas')
        ->where('type = ?', 'category')
        ->limit(1);

        if (isset($this->request->mid)) {
            $categorySelect->where('mid = ?', $this->request->filter('int')->mid);
        }

        if (isset($this->request->slug)) {
            $categorySelect->where('slug = ?', $this->request->slug);
        }

        if (isset($this->request->directory)) {
            $directory = explode('/', $this->request->directory);
            $categorySelect->where('slug = ?', $directory[count($directory) - 1]);
        }

        $category = $this->db->fetchRow($categorySelect);
        if (empty($category)) {
            throw new Typecho_Widget_Exception(_t('分类不存在'), 404);
        }

        $categoryListWidget = $this->widget('Widget_Metas_Category_List', 'current=' . $category['mid']);
        $category = $categoryListWidget->filter($category);

        if (isset($directory) && ($this->request->directory != implode('/', $category['directory']))) {
            throw new Typecho_Widget_Exception(_t('父级分类不存在'), 404);
        }

        $children = $categoryListWidget->getAllChildren($category['mid']);
        $children[] = $category['mid'];

        /** fix sql92 by 70 */
        $select->join('table.relationships', 'table.contents.cid = table.relationships.cid')
        ->where('table.relationships.mid IN ?', $children)
        ->where('table.contents.type = ?', 'post')
        ->group('table.contents.cid');

        /** 设置分页 */
        $this->_pageRow = array_merge($category, array(
            'slug'          =>  urlencode($category['slug']),
            'directory'     =>  implode('/', array_map('urlencode', $category['directory']))
        ));

        /** 设置关键词 */
        $this->_keywords = $category['name'];

        /** 设置描述 */
        $this->_description = $category['description'];

        /** 设置头部feed */
        /** RSS 2.0 */
        $this->_feedUrl = $category['feedUrl'];

        /** RSS 1.0 */
        $this->_feedRssUrl = $category['feedRssUrl'];

        /** ATOM 1.0 */
        $this->_feedAtomUrl = $category['feedAtomUrl'];

        /** 设置标题 */
        $this->_archiveTitle = $category['name'];

        /** 设置归档类型 */
        $this->_archiveType = 'category';

        /** 设置归档缩略名 */
        $this->_archiveSlug = $category['slug'];

        /** 插件接口 */
        $this->pluginHandle()->categoryHandle($this, $select);
    }

    /**
     * 处理标签
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     * @throws Typecho_Widget_Exception
     */
    private function tagHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        $tagSelect = $this->db->select()->from('table.metas')
        ->where('type = ?', 'tag')->limit(1);

        if (isset($this->request->mid)) {
            $tagSelect->where('mid = ?', $this->request->filter('int')->mid);
        }

        if (isset($this->request->slug)) {
            $tagSelect->where('slug = ?', $this->request->slug);
        }

        /** 如果是标签 */
        $tag = $this->db->fetchRow($tagSelect,
        array($this->widget('Widget_Abstract_Metas'), 'filter'));

        if (!$tag) {
            throw new Typecho_Widget_Exception(_t('标签不存在'), 404);
        }

        /** fix sql92 by 70 */
        $select->join('table.relationships', 'table.contents.cid = table.relationships.cid')
        ->where('table.relationships.mid = ?', $tag['mid'])
        ->where('table.contents.type = ?', 'post');

        /** 设置分页 */
        $this->_pageRow = array_merge($tag, array(
            'slug'  =>  urlencode($tag['slug'])
        ));

        /** 设置关键词 */
        $this->_keywords = $tag['name'];

        /** 设置描述 */
        $this->_description = $tag['description'];

        /** 设置头部feed */
        /** RSS 2.0 */
        $this->_feedUrl = $tag['feedUrl'];

        /** RSS 1.0 */
        $this->_feedRssUrl = $tag['feedRssUrl'];

        /** ATOM 1.0 */
        $this->_feedAtomUrl = $tag['feedAtomUrl'];

        /** 设置标题 */
        $this->_archiveTitle = $tag['name'];

        /** 设置归档类型 */
        $this->_archiveType = 'tag';

        /** 设置归档缩略名 */
        $this->_archiveSlug = $tag['slug'];

        /** 插件接口 */
        $this->pluginHandle()->tagHandle($this, $select);
    }

    /**
     * 处理作者
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     * @throws Typecho_Widget_Exception
     */
    private function authorHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        $uid = $this->request->filter('int')->uid;

        $author = $this->db->fetchRow($this->db->select()->from('table.users')
        ->where('uid = ?', $uid),
        array($this->widget('Widget_Abstract_Users'), 'filter'));

        if (!$author) {
            throw new Typecho_Widget_Exception(_t('作者不存在'), 404);
        }

        $select->where('table.contents.authorId = ?', $uid)
        ->where('table.contents.type = ?', 'post');

        /** 设置分页 */
        $this->_pageRow = $author;

        /** 设置关键词 */
        $this->_keywords = $author['screenName'];

        /** 设置描述 */
        $this->_description = $author['screenName'];

        /** 设置头部feed */
        /** RSS 2.0 */
        $this->_feedUrl = $author['feedUrl'];

        /** RSS 1.0 */
        $this->_feedRssUrl = $author['feedRssUrl'];

        /** ATOM 1.0 */
        $this->_feedAtomUrl = $author['feedAtomUrl'];

        /** 设置标题 */
        $this->_archiveTitle = $author['screenName'];

        /** 设置归档类型 */
        $this->_archiveType = 'author';

        /** 设置归档缩略名 */
        $this->_archiveSlug = $author['uid'];

        /** 插件接口 */
        $this->pluginHandle()->authorHandle($this, $select);
    }

    /**
     * 处理日期
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     */
    private function dateHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        /** 如果是按日期归档 */
        $year = $this->request->filter('int')->year;
        $month = $this->request->filter('int')->month;
        $day = $this->request->filter('int')->day;

        if (!empty($year) && !empty($month) && !empty($day)) {

            /** 如果按日归档 */
            $from = mktime(0, 0, 0, $month, $day, $year);
            $to = mktime(23, 59, 59, $month, $day, $year);

            /** 归档缩略名 */
            $this->_archiveSlug = 'day';

            /** 设置标题 */
            $this->_archiveTitle = _t('%d年%d月%d日', $year, $month, $day);
        } else if (!empty($year) && !empty($month)) {

            /** 如果按月归档 */
            $from = mktime(0, 0, 0, $month, 1, $year);
            $to = mktime(23, 59, 59, $month, date('t', $from), $year);

            /** 归档缩略名 */
            $this->_archiveSlug = 'month';

            /** 设置标题 */
            $this->_archiveTitle = _t('%d年%d月', $year, $month);
        } else if (!empty($year)) {

            /** 如果按年归档 */
            $from = mktime(0, 0, 0, 1, 1, $year);
            $to = mktime(23, 59, 59, 12, 31, $year);

            /** 归档缩略名 */
            $this->_archiveSlug = 'year';

            /** 设置标题 */
            $this->_archiveTitle = _t('%d年', $year);
        }

        $select->where('table.contents.created >= ?', $from - $this->options->timezone + $this->options->serverTimezone)
        ->where('table.contents.created <= ?', $to - $this->options->timezone + $this->options->serverTimezone)
        ->where('table.contents.type = ?', 'post');

        /** 设置归档类型 */
        $this->_archiveType = 'date';

        /** 设置头部feed */
        $value = array('year' => $year, 'month' => str_pad($month, 2, '0', STR_PAD_LEFT), 'day' => str_pad($day, 2, '0', STR_PAD_LEFT));

        /** 设置分页 */
        $this->_pageRow = $value;

        /** 获取当前路由,过滤掉翻页情况 */
        $currentRoute = str_replace('_page', '', $this->parameter->type);

        /** RSS 2.0 */
        $this->_feedUrl = Typecho_Router::url($currentRoute, $value, $this->options->feedUrl);

        /** RSS 1.0 */
        $this->_feedRssUrl = Typecho_Router::url($currentRoute, $value, $this->options->feedRssUrl);

        /** ATOM 1.0 */
        $this->_feedAtomUrl = Typecho_Router::url($currentRoute, $value, $this->options->feedAtomUrl);

        /** 插件接口 */
        $this->pluginHandle()->dateHandle($this, $select);
    }

    /**
     * 处理搜索
     *
     * @access private
     * @param Typecho_Db_Query $select 查询对象
     * @param boolean $hasPushed 是否已经压入队列
     * @return void
     */
    private function searchHandle(Typecho_Db_Query $select, &$hasPushed)
    {
        /** 增加自定义搜索引擎接口 */
        //~ fix issue 40
        $keywords = $this->request->filter('url', 'search')->keywords;
        $this->pluginHandle()->trigger($hasPushed)->search($keywords, $this);

        if (!$hasPushed) {
            $searchQuery = '%' . str_replace(' ', '%', $keywords) . '%';

            /** 搜索无法进入隐私项保护归档 */
            $select->where('table.contents.password IS NULL')
            ->where('table.contents.title LIKE ? OR table.contents.text LIKE ?', $searchQuery, $searchQuery)
            ->where('table.contents.type = ?', 'post');
        }

        /** 设置关键词 */
        $this->_keywords = $keywords;

        /** 设置分页 */
        $this->_pageRow = array('keywords' => urlencode($keywords));

        /** 设置头部feed */
        /** RSS 2.0 */
        $this->_feedUrl = Typecho_Router::url('search', array('keywords' => $keywords), $this->options->feedUrl);

        /** RSS 1.0 */
        $this->_feedRssUrl = Typecho_Router::url('search', array('keywords' => $keywords), $this->options->feedAtomUrl);

        /** ATOM 1.0 */
        $this->_feedAtomUrl = Typecho_Router::url('search', array('keywords' => $keywords), $this->options->feedAtomUrl);

        /** 设置标题 */
        $this->_archiveTitle = $keywords;

        /** 设置归档类型 */
        $this->_archiveType = 'search';

        /** 设置归档缩略名 */
        $this->_archiveSlug = $keywords;

        /** 插件接口 */
        $this->pluginHandle()->searchHandle($this, $select);
    }

    /**
     * 重载select
     *
     * @access public
     * @return void
     */
    public function select()
    {
        if ($this->_invokeByFeed) {
            // 对feed输出加入限制条件
            return parent::select()->where('table.contents.allowFeed = ?', 1)
            ->where('table.contents.password IS NULL');
        } else {
            return parent::select();
        }
    }

    /**
     * 提交查询
     *
     * @access public
     * @param mixed $select 查询对象
     * @return void
     */
    public function query($select)
    {
        $this->pluginHandle()->trigger($queryPlugged)->query($this, $select);
        if (!$queryPlugged) {
            $this->db->fetchAll($select, array($this, 'push'));
        }
    }

    /**
     * 执行函数
     *
     * @access public
     * @return void
     */
    public function execute()
    {
        /** 避免重复取数据 */
        if ($this->have()) {
            return;
        }

        $handles = array(
            'index'                     =>  'indexHandle',
            'index_page'                =>  'indexHandle',
            'archive'                   =>  'archiveEmptyHandle',
            'archive_page'              =>  'archiveEmptyHandle',
            404                         =>  'error404Handle',
            'single'                    =>  'singleHandle',
            'page'                      =>  'singleHandle',
            'post'                      =>  'singleHandle',
            'attachment'                =>  'singleHandle',
            'comment_page'              =>  'singleHandle',
            'category'                  =>  'categoryHandle',
            'category_page'             =>  'categoryHandle',
            'tag'                       =>  'tagHandle',
            'tag_page'                  =>  'tagHandle',
            'author'                    =>  'authorHandle',
            'author_page'               =>  'authorHandle',
            'archive_year'              =>  'dateHandle',
            'archive_year_page'         =>  'dateHandle',
            'archive_month'             =>  'dateHandle',
            'archive_month_page'        =>  'dateHandle',
            'archive_day'               =>  'dateHandle',
            'archive_day_page'          =>  'dateHandle',
            'search'                    =>  'searchHandle',
            'search_page'               =>  'searchHandle'
        );

        /** 处理搜索结果跳转 */
        if (isset($this->request->s)) {
            $filterKeywords = $this->request->filter('search')->s;

            /** 跳转到搜索页 */
            if (NULL != $filterKeywords) {
                $this->response->redirect(Typecho_Router::url('search',
                array('keywords' => urlencode($filterKeywords)), $this->options->index));
            }
        }

        /** 自定义首页功能 */
        $frontPage = $this->options->frontPage;
        if (!$this->_invokeByFeed && ('index' == $this->parameter->type || 'index_page' == $this->parameter->type)) {
            //显示某个页面
            if (0 === strpos($frontPage, 'page:')) {
                // 对某些变量做hack
                $this->request->setParam('cid', intval(substr($frontPage, 5)));
                $this->parameter->type = 'page';
                $this->_makeSinglePageAsFrontPage = true;
            } else if (0 === strpos($frontPage, 'file:')) {
                // 显示某个文件
                $this->setThemeFile(substr($frontPage, 5));
                return;
            }
        }

        if ('recent' != $frontPage && $this->options->frontArchive) {
            $handles['archive'] = 'indexHandle';
            $handles['archive_page'] = 'indexHandle';
            $this->_archiveType = 'front';
        }

        /** 初始化分页变量 */
        $this->_currentPage = isset($this->request->page) ? $this->request->page : 1;
        $hasPushed = false;

        /** select初始化 */
        $select = $this->pluginHandle()->trigger($selectPlugged)->select($this);

        /** 定时发布功能 */
        if (!$selectPlugged) {
            if ('post' == $this->parameter->type || 'page' == $this->parameter->type) {
                if ($this->user->hasLogin()) {
                    $select = $this->select()->where('table.contents.status = ? OR table.contents.status = ? OR
                            (table.contents.status = ? AND table.contents.authorId = ?)',
                            'publish', 'hidden', 'private', $this->user->uid);
                } else {
                    $select = $this->select()->where('table.contents.status = ? OR table.contents.status = ?',
                            'publish', 'hidden');
                }
            } else {
                if ($this->user->hasLogin()) {
                    $select = $this->select()->where('table.contents.status = ? OR
                            (table.contents.status = ? AND table.contents.authorId = ?)', 'publish', 'private', $this->user->uid);
                } else {
                    $select = $this->select()->where('table.contents.status = ?', 'publish');
                }
            }
            $select->where('table.contents.created < ?', $this->options->gmtTime);
        }

        /** handle初始化 */
        $this->pluginHandle()->handleInit($this, $select);

        /** 初始化其它变量 */
        $this->_feedUrl = $this->options->feedUrl;
        $this->_feedRssUrl = $this->options->feedRssUrl;
        $this->_feedAtomUrl = $this->options->feedAtomUrl;
        $this->_keywords = $this->options->keywords;
        $this->_description = $this->options->description; 

        if (isset($handles[$this->parameter->type])) {
            $handle = $handles[$this->parameter->type];
            $this->{$handle}($select, $hasPushed);
        } else {
            $hasPushed = $this->pluginHandle()->handle($this->parameter->type, $this, $select);
        }
        
        /** 初始化皮肤函数 */
        $functionsFile = $this->_themeDir . 'functions.php';
        if ((!$this->_invokeFromOutside || $this->parameter->type == 404) && file_exists($functionsFile)) {
            require_once $functionsFile;
            if (function_exists('themeInit')) {
                themeInit($this);
            }
        }

        /** 如果已经提前压入则直接返回 */
        if ($hasPushed) {
            return;
        }

        /** 仅输出文章 */
        $this->_countSql = clone $select;

        $select->order('table.contents.created', Typecho_Db::SORT_DESC)
        ->page($this->_currentPage, $this->parameter->pageSize);
        $this->query($select);
    }

    /**
     * 输出文章内容
     *
     * @access public
     * @param string $more 文章截取后缀
     * @return void
     */
    public function content($more = NULL)
    {
        parent::content($this->is('single') ? false : $more);
    }

    /**
     * 输出分页
     *
     * @access public
     * @param string $prev 上一页文字
     * @param string $next 下一页文字
     * @param int $splitPage 分割范围
     * @param string $splitWord 分割字符
     * @param string $template 展现配置信息
     * @return void
     */
    public function pageNav($prev = '&laquo;', $next = '&raquo;', $splitPage = 3, $splitWord = '...', $template = '')
    {
        if ($this->have()) {
            $hasNav = false;
            $default = array(
                'wrapTag'       =>  'ol',
                'wrapClass'     =>  'page-navigator'
            );

            if (is_string($template)) {
                parse_str($template, $config);
            } else {
                $config = $template;
            }

            $template = array_merge($default, $config);
            
            $total = $this->getTotal();
            $this->pluginHandle()->trigger($hasNav)->pageNav($this->_currentPage, $total, 
                $this->parameter->pageSize, $prev, $next, $splitPage, $splitWord);

            if (!$hasNav && $total > $this->parameter->pageSize) {
                $query = Typecho_Router::url($this->parameter->type .
                (false === strpos($this->parameter->type, '_page') ? '_page' : NULL),
                $this->_pageRow, $this->options->index);

                /** 使用盒状分页 */
                $nav = new Typecho_Widget_Helper_PageNavigator_Box($total, 
                    $this->_currentPage, $this->parameter->pageSize, $query);
                
                echo '<' . $template['wrapTag'] . (empty($template['wrapClass']) 
                    ? '' : ' class="' . $template['wrapClass'] . '"') . '>';
                $nav->render($prev, $next, $splitPage, $splitWord, $template);
                echo '</' . $template['wrapTag'] . '>';
            }
        }
    }

    /**
     * 前一页
     *
     * @access public
     * @param string $word 链接标题
     * @param string $page 页面链接
     * @return void
     */
    public function pageLink($word = '&laquo; Previous Entries', $page = 'prev')
    {
        if ($this->have()) {
            if (empty($this->_pageNav)) {
                $query = Typecho_Router::url($this->parameter->type .
                (false === strpos($this->parameter->type, '_page') ? '_page' : NULL),
                $this->_pageRow, $this->options->index);

                /** 使用盒状分页 */
                $this->_pageNav = new Typecho_Widget_Helper_PageNavigator_Classic($this->getTotal(),
                $this->_currentPage, $this->parameter->pageSize, $query);
            }

            $this->_pageNav->{$page}($word);
        }
    }

    /**
     * 获取评论归档对象
     *
     * @access public
     * @return Widget_Abstract_Comments
     */
    public function comments()
    {
        $parameter = array(
            'parentId'      => $this->hidden ? 0 : $this->cid,
            'parentContent' => $this->row,
            'respondId'     => $this->respondId,
            'commentPage'   => $this->request->filter('int')->commentPage,
            'allowComment'  => $this->allow('comment')
        );

        return $this->widget('Widget_Comments_Archive', $parameter);
    }

    /**
     * 获取回响归档对象 
     * 
     * @access public
     * @return Widget_Comments_Ping
     */
    public function pings()
    {
        return $this->widget('Widget_Comments_Ping', array(
            'parentId'      => $this->hidden ? 0 : $this->cid,
            'parentContent' => $this->row,
            'allowPing'     =>  $this->allow('ping')
        ));
    }

    /**
     * 获取附件对象
     *
     * @access public
     * @param integer $limit 最大个数
     * @param integer $offset 重新
     * @return Widget_Contents_Attachment_Related
     */
    public function attachments($limit = 0, $offset = 0)
    {
        return $this->widget('Widget_Contents_Attachment_Related@' . $this->cid . '-' . uniqid(), array(
            'parentId'  => $this->cid,
            'limit'     => $limit,
            'offset'    => $offset
        ));
    }

    /**
     * 显示下一个内容的标题链接
     *
     * @access public
     * @param string $format 格式
     * @param string $default 如果没有下一篇,显示的默认文字
     * @param array $custom 定制化样式
     * @return void
     */
    public function theNext($format = '%s', $default = NULL, $custom = array())
    {
        $content = $this->db->fetchRow($this->select()->where('table.contents.created > ? AND table.contents.created < ?',
            $this->created, $this->options->gmtTime)
            ->where('table.contents.status = ?', 'publish')
            ->where('table.contents.type = ?', $this->type)
            ->where('table.contents.password IS NULL')
            ->order('table.contents.created', Typecho_Db::SORT_ASC)
            ->limit(1));

        if ($content) {
            $content = $this->filter($content);
            $default = array(
                'title' => NULL,
                'tagClass' => NULL
            );
            $custom = array_merge($default, $custom);
            extract($custom);

            $linkText = empty($title) ? $content['title'] : $title;
            $linkClass = empty($tagClass) ? '' : 'class="' . $tagClass . '" ';
            $link = '<a ' . $linkClass . 'href="' . $content['permalink'] . '" title="' . $content['title'] . '">' . $linkText . '</a>';

            printf($format, $link);
        } else {
            echo $default;
        }
    }

    /**
     * 显示上一个内容的标题链接
     *
     * @access public
     * @param string $format 格式
     * @param string $default 如果没有上一篇,显示的默认文字
     * @param array $custom 定制化样式
     * @return void
     */
    public function thePrev($format = '%s', $default = NULL, $custom = array())
    {
        $content = $this->db->fetchRow($this->select()->where('table.contents.created < ?', $this->created)
            ->where('table.contents.status = ?', 'publish')
            ->where('table.contents.type = ?', $this->type)
            ->where('table.contents.password IS NULL')
            ->order('table.contents.created', Typecho_Db::SORT_DESC)
            ->limit(1));

        if ($content) {
            $content = $this->filter($content);
            $default = array(
                'title' => NULL,
                'tagClass' => NULL
            );
            $custom = array_merge($default, $custom);
            extract($custom);

            $linkText = empty($title) ? $content['title'] : $title;
            $linkClass = empty($tagClass) ? '' : 'class="' . $tagClass . '" ';
            $link = '<a ' . $linkClass . 'href="' . $content['permalink'] . '" title="' . $content['title'] . '">' . $linkText . '</a>';

            printf($format, $link);
        } else {
            echo $default;
        }
    }

    /**
     * 获取关联内容组件
     *
     * @access public
     * @param integer $limit 输出数量
     * @param string $type 关联类型
     * @return Typecho_Widget
     */
    public function related($limit = 5, $type = NULL)
    {
        $type = strtolower($type);

        switch ($type) {
            case 'author':
                /** 如果访问权限被设置为禁止,则tag会被置为空 */
                return $this->widget('Widget_Contents_Related_Author',
                array('cid' => $this->cid, 'type' => $this->type, 'author' => $this->author->uid, 'limit' => $limit));
            default:
                /** 如果访问权限被设置为禁止,则tag会被置为空 */
                return $this->widget('Widget_Contents_Related',
                array('cid' => $this->cid, 'type' => $this->type, 'tags' => $this->tags, 'limit' => $limit));
        }
    }

    /**
     * 输出头部元数据
     *
     * @access public
     * @param string $rule 规则
     * @return void
     */
    public function header($rule = NULL)
    {
        $rules = array();
        $allows = array(
            'description'   =>  htmlspecialchars($this->_description),
            'keywords'      =>  htmlspecialchars($this->_keywords),
            'generator'     =>  $this->options->generator,
            'template'      =>  $this->options->theme,
            'pingback'      =>  $this->options->xmlRpcUrl,
            'xmlrpc'        =>  $this->options->xmlRpcUrl . '?rsd',
            'wlw'           =>  $this->options->xmlRpcUrl . '?wlw',
            'rss2'          =>  $this->_feedUrl,
            'rss1'          =>  $this->_feedRssUrl,
            'commentReply'  =>  1,
            'antiSpam'      =>  1,
            'atom'          =>  $this->_feedAtomUrl
        );

        /** 头部是否输出聚合 */
        $allowFeed = !$this->is('single') || $this->allow('feed') || $this->_makeSinglePageAsFrontPage;

        if (!empty($rule)) {
            parse_str($rule, $rules);
            $allows = array_merge($allows, $rules);
        }

        $allows = $this->pluginHandle()->headerOptions($allows, $this);

        $header = '';
        if (!empty($allows['description'])) {
            $header .= '<meta name="description" content="' . $allows['description'] . '" />' . "\n";
        }

        if (!empty($allows['keywords'])) {
            $header .= '<meta name="keywords" content="' . $allows['keywords'] . '" />' . "\n";
        }

        if (!empty($allows['generator'])) {
            $header .= '<meta name="generator" content="' . $allows['generator'] . '" />' . "\n";
        }

        if (!empty($allows['template'])) {
            $header .= '<meta name="template" content="' . $allows['template'] . '" />' . "\n";
        }

        if (!empty($allows['pingback'])) {
            $header .= '<link rel="pingback" href="' . $allows['pingback'] . '" />' . "\n";
        }

        if (!empty($allows['xmlrpc'])) {
            $header .= '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . $allows['xmlrpc'] . '" />' . "\n";
        }

        if (!empty($allows['wlw'])) {
            $header .= '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="' . $allows['wlw'] . '" />' . "\n";
        }

        if (!empty($allows['rss2']) && $allowFeed) {
            $header .= '<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="' . $allows['rss2'] . '" />' . "\n";
        }

        if (!empty($allows['rss1']) && $allowFeed) {
            $header .= '<link rel="alternate" type="application/rdf+xml" title="RSS 1.0" href="' . $allows['rss1'] . '" />' . "\n";
        }

        if (!empty($allows['atom']) && $allowFeed) {
            $header .= '<link rel="alternate" type="application/atom+xml" title="ATOM 1.0" href="' . $allows['atom'] . '" />' . "\n";
        }
        
        if ($this->options->commentsThreaded && $this->is('single')) {
            if ('' != $allows['commentReply']) {
                if (1 == $allows['commentReply']) {
                    $header .= "<script type=\"text/javascript\">
(function () {
    window.TypechoComment = {
        dom : function (id) {
            return document.getElementById(id);
        },
    
        create : function (tag, attr) {
            var el = document.createElement(tag);
        
            for (var key in attr) {
                el.setAttribute(key, attr[key]);
            }
        
            return el;
        },

        reply : function (cid, coid) {
            var comment = this.dom(cid), parent = comment.parentNode,
                response = this.dom('" . $this->respondId . "'), input = this.dom('comment-parent'),
                form = 'form' == response.tagName ? response : response.getElementsByTagName('form')[0],
                textarea = response.getElementsByTagName('textarea')[0];

            if (null == input) {
                input = this.create('input', {
                    'type' : 'hidden',
                    'name' : 'parent',
                    'id'   : 'comment-parent'
                });

                form.appendChild(input);
            }

            input.setAttribute('value', coid);

            if (null == this.dom('comment-form-place-holder')) {
                var holder = this.create('div', {
                    'id' : 'comment-form-place-holder'
                });

                response.parentNode.insertBefore(holder, response);
            }

            comment.appendChild(response);
            this.dom('cancel-comment-reply-link').style.display = '';

            if (null != textarea && 'text' == textarea.name) {
                textarea.focus();
            }

            return false;
        },

        cancelReply : function () {
            var response = this.dom('{$this->respondId}'),
            holder = this.dom('comment-form-place-holder'), input = this.dom('comment-parent');

            if (null != input) {
                input.parentNode.removeChild(input);
            }

            if (null == holder) {
                return true;
            }

            this.dom('cancel-comment-reply-link').style.display = 'none';
            holder.parentNode.insertBefore(response, holder);
            return false;
        }
    };
})();
</script>
";
                } else {
                    $header .= '<script src="' . $allows['commentReply'] . '" type="text/javascript"></script>';
                }
            }
        }

        /** 反垃圾设置 */
        if ($this->options->commentsAntiSpam && $this->is('single')) {
            if ('' != $allows['antiSpam']) {
                if (1 == $allows['antiSpam']) {
                    $header .= "<script type=\"text/javascript\">
(function () {
    var event = document.addEventListener ? {
        add: 'addEventListener',
        focus: 'focus',
        load: 'DOMContentLoaded'
    } : {
        add: 'attachEvent',
        focus: 'onfocus',
        load: 'onload'
    };

    document[event.add](event.load, function () {
        var r = document.getElementById('{$this->respondId}');

        if (null != r) {
            var forms = r.getElementsByTagName('form');
            if (forms.length > 0) {
                var f = forms[0], textarea = f.getElementsByTagName('textarea')[0] || f.text, added = false;

                if (null != textarea && 'text' == textarea.name) {
                    textarea[event.add](event.focus, function () {
                        if (!added) {
                            var input = document.createElement('input');
                            input.type = 'hidden';
                            input.name = '_';
                            input.value = " . Typecho_Common::shuffleScriptVar(
                                $this->security->getToken($this->request->getRequestUrl())) . "

                            f.appendChild(input);
                            added = true;
                        }
                    });
                }
            }
        }
    });
})();
</script>";
                } else {
                    $header .= '<script src="' . $allows['antiSpam'] . '" type="text/javascript"></script>';
                }
            }
        }

        /** 输出header */
        echo $header;

        /** 插件支持 */
        $this->pluginHandle()->header($header, $this);
    }

    /**
     * 支持页脚自定义
     *
     * @access public
     * @return void
     */
    public function footer()
    {
        $this->pluginHandle()->footer($this);
    }

    /**
     * 输出cookie记忆别名
     *
     * @access public
     * @param string $cookieName 已经记忆的cookie名称
     * @param boolean $return 是否返回
     * @return string
     */
    public function remember($cookieName, $return = false)
    {
        $cookieName = strtolower($cookieName);
        if (!in_array($cookieName, array('author', 'mail', 'url'))) {
            return '';
        }
    
        $value = Typecho_Cookie::get('__typecho_remember_' . $cookieName);
        if ($return) {
            return $value;
        } else {
            echo htmlspecialchars($value);
        }
    }

    /**
     * 输出归档标题
     * 
     * @param mixed $defines 
     * @param string $before 
     * @param string $end 
     * @access public
     * @return void
     */
    public function archiveTitle($defines = NULL, $before = ' &raquo; ', $end = '')
    {
        if ($this->_archiveTitle) {
            $define = '%s';
            if (is_array($defines) && !empty($defines[$this->_archiveType])) {
                $define = $defines[$this->_archiveType];
            }

            echo $before . sprintf($define, $this->_archiveTitle) . $end;
        }
    }

    /**
     * 输出关键字
     *
     * @access public
     */
    public function keywords($split = ',', $default = '')
    {
        echo empty($this->_keywords) ? $default : str_replace(',', $split, htmlspecialchars($this->_keywords));
    }

    /**
     * 判断归档类型和名称
     *
     * @access public
     * @param string $archiveType 归档类型
     * @param string $archiveSlug 归档名称
     * @return boolean
     */
    public function is($archiveType, $archiveSlug = NULL)
    {
        return ($archiveType == $this->_archiveType ||
        (($this->_archiveSingle ? 'single' : 'archive') == $archiveType && 'index' != $this->_archiveType) ||
        ('index' == $archiveType && $this->_makeSinglePageAsFrontPage))
        && (empty($archiveSlug) ? true : $archiveSlug == $this->_archiveSlug);
    }

    /**
     * 获取主题文件
     *
     * @access public
     * @param string $fileName 主题文件
     * @return void
     */
    public function need($fileName)
    {
        require $this->_themeDir . $fileName;
    }

    /**
     * 输出视图
     *
     * @access public
     * @return void
     */
    public function render()
    {
        /** 处理静态链接跳转 */
        $this->checkPermalink();
        
        /** 添加Pingback */
        $this->response->setHeader('X-Pingback', $this->options->xmlRpcUrl);
        $validated = false;

        //~ 自定义模板
        if (!empty($this->_themeFile)) {
            if (file_exists($this->_themeDir . $this->_themeFile)) {
                $validated = true;
            }
        }
        
        if (!$validated && !empty($this->_archiveType)) {

            //~ 首先找具体路径, 比如 category/default.php
            if (!$validated && !empty($this->_archiveSlug)) {
                $themeFile = $this->_archiveType . '/' . $this->_archiveSlug . '.php';
                if (file_exists($this->_themeDir . $themeFile)) {
                    $this->_themeFile = $themeFile;
                    $validated = true;
                }
            }

            //~ 然后找归档类型路径, 比如 category.php
            if (!$validated) {
                $themeFile = $this->_archiveType . '.php';
                if (file_exists($this->_themeDir . $themeFile)) {
                    $this->_themeFile = $themeFile;
                    $validated = true;
                }
            }

            //针对attachment的hook
            if (!$validated && 'attachment' == $this->_archiveType) {
                if (file_exists($this->_themeDir . 'page.php')) {
                    $this->_themeFile = 'page.php';
                    $validated = true;
                } else if (file_exists($this->_themeDir . 'post.php')) {
                    $this->_themeFile = 'post.php';
                    $validated = true;
                }
            }

            //~ 最后找归档路径, 比如 archive.php 或者 single.php
            if (!$validated && 'index' != $this->_archiveType && 'front' != $this->_archiveType) {
                $themeFile = $this->_archiveSingle ? 'single.php' : 'archive.php';
                if (file_exists($this->_themeDir . $themeFile)) {
                    $this->_themeFile = $themeFile;
                    $validated = true;
                }
            }

            if (!$validated) {
                $themeFile = 'index.php';
                if (file_exists($this->_themeDir . $themeFile)) {
                    $this->_themeFile = $themeFile;
                    $validated = true;
                }
            }
        }

        /** 文件不存在 */
        if (!$validated) {
            Typecho_Common::error(500);
        }

        /** 挂接插件 */
        $this->pluginHandle()->beforeRender($this);

        /** 输出模板 */
        require_once $this->_themeDir . $this->_themeFile;

        /** 挂接插件 */
        $this->pluginHandle()->afterRender($this);
    }

    /**
     * 输出feed
     *
     * @access public
     * @return void
     */
    public function feed()
    {
        $this->_feed->setSubTitle($this->_description);
        $this->_feed->setFeedUrl($this->_currentFeedUrl);

        $this->_feed->setBaseUrl(('/' == $this->request->feed || 0 == strlen($this->request->feed)
        || '/comments' == $this->request->feed || '/comments/' == $this->request->feed) ?
        $this->options->siteUrl : Typecho_Common::url($this->request->feed, $this->options->index));
        $this->_feed->setFeedUrl($this->request->makeUriByRequest());

        if ($this->is('single') || 'comments' == $this->parameter->type) {
            $this->_feed->setTitle(_t('%s 的评论',
            $this->options->title . ($this->_archiveTitle ? ' - ' . $this->_archiveTitle : NULL)));

            if ('comments' == $this->parameter->type) {
                $comments = $this->widget('Widget_Comments_Recent', 'pageSize=10');
            } else {
                $comments = $this->widget('Widget_Comments_Recent', 'pageSize=10&parentId=' . $this->cid);
            }

            while ($comments->next()) {
                $suffix = $this->pluginHandle()->trigger($plugged)->commentFeedItem($this->_feedType, $comments);
                if (!$plugged) {
                    $suffix = NULL;
                }

                $this->_feed->addItem(array(
                    'title'     =>  $comments->author,
                    'content'   =>  $comments->content,
                    'date'      =>  $comments->created,
                    'link'      =>  $comments->permalink,
                    'author'    =>  (object) array(
                        'screenName'  =>  $comments->author,
                        'url'         =>  $comments->url,
                        'mail'        =>  $comments->mail
                    ),
                    'excerpt'   =>  strip_tags($comments->content),
                    'suffix'    =>  $suffix
                ));
            }
        } else {
            $this->_feed->setTitle($this->options->title . ($this->_archiveTitle ? ' - ' . $this->_archiveTitle : NULL));

            while ($this->next()) {
                $suffix = $this->pluginHandle()->trigger($plugged)->feedItem($this->_feedType, $this);
                if (!$plugged) {
                    $suffix = NULL;
                }

                $feedUrl = '';
                if (Typecho_Feed::RSS2 == $this->_feedType) {
                    $feedUrl = $this->feedUrl;
                } else if (Typecho_Feed::RSS1 == $this->_feedType) {
                    $feedUrl = $this->feedRssUrl;
                } else if (Typecho_Feed::ATOM1 == $this->_feedType) {
                    $feedUrl = $this->feedAtomUrl;
                }

                $this->_feed->addItem(array(
                    'title'     =>  $this->title,
                    'content'   =>  $this->options->feedFullText ? $this->content : (false !== strpos($this->text, '<!--more-->') ?
                    $this->excerpt . "<p class=\"more\"><a href=\"{$this->permalink}\" title=\"{$this->title}\">[...]</a></p>" : $this->content),
                    'date'      =>  $this->created,
                    'link'      =>  $this->permalink,
                    'author'    =>  $this->author,
                    'excerpt'   =>  $this->description,
                    'comments'  =>  $this->commentsNum,
                    'commentsFeedUrl' => $feedUrl,
                    'suffix'    =>  $suffix
                ));
            }
        }

        $this->response->setContentType($this->_feedContentType);
        echo $this->_feed->__toString();
    }
}