<?php   if(!defined('DEDEINC')) exit('dedecms');
/**
 * Dede采集类
 *
 * @version        $Id: dedecollection.class.php 1 20:20 2010年7月7日Z tianya $
 * @package        DedeCMS.Libraries
 * @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.
 * @license        http://help.dedecms.com/usersguide/license.html
 * @link           http://www.dedecms.com
 */

require_once(DEDEINC."/dedecollection.func.php"); //采集扩展函数
require_once(DEDEINC."/image.func.php");
require_once(DEDEINC."/dedehtml2.class.php");
@set_time_limit(0);

/**
 * Dede采集类
 *
 * @package          DedeCollection
 * @subpackage       DedeCMS.Libraries
 * @link             http://www.dedecms.com
 */
class DedeCollection
{
    var $artNotes = array();  //文章采集的字段信息
    var $spNotes = array();  //文章采集的字段信息
    var $lists = array();     //采集节点的来源列表处理信息
    var $noteInfos = array(); //采集节点的基本配置信息
    var $dsql = '';
    var $noteId = '';
    var $cDedeHtml = '';
    var $cHttpDown = '';
    var $mediaCount = 0;
    var $tmpUnitValue = '';
    var $tmpLinks = array();
    var $tmpHtml = '';
    var $breImage = '';
    var $errString = '';

    //兼容php5构造函数
    function __construct()
    {
        $this->dsql = $GLOBALS['dsql'];
        $this->cHttpDown = new DedeHttpDown();
        $this->cDedeHtml = new DedeHtml2();
    }

    function DedeCollection()
    {
        $this->__construct();
    }

    //析放资源
    function Close()
    {
    }

    /**
     *  从数据库里载入某个节点
     *
     * @access    public
     * @param     int   $nid  采集节点ID
     * @return    void
     */
    function LoadNote($nid)
    {
        $this->noteId = $nid;
        $row = $this->dsql->GetOne("SELECT * FROM `#@__co_note` WHERE nid='$nid'");
        $this->LoadListConfig($row['listconfig']);
        $this->LoadItemConfig($row['itemconfig']);
    }

    /**
     *  分析基本节点的及索引配置信息
     *
     * @access    public
     * @param     string  $configString  配置字符串
     * @return    void
     */
    function LoadListConfig($configString)
    {
        $dtp = new DedeTagParse();
        $dtp2 = new DedeTagParse();
        $dtp->LoadString($configString);
        for($i=0; $i<=$dtp->Count; $i++)
        {
            $ctag = $dtp->CTags[$i];

            //item 配置
            //节点基本信息
            if($ctag->GetName()=="noteinfo")
            {
                $this->noteInfos['notename'] = $ctag->GetAtt('notename');
                $this->noteInfos['matchtype'] = $ctag->GetAtt('matchtype');
                $this->noteInfos['channelid'] = $ctag->GetAtt('channelid');
                $this->noteInfos['refurl'] = $ctag->GetAtt('refurl');
                $this->noteInfos['sourcelang'] = $ctag->GetAtt('sourcelang');
                $this->noteInfos['cosort'] = $ctag->GetAtt('cosort');
                $this->noteInfos['isref'] = $ctag->GetAtt('isref');
                $this->noteInfos['exptime'] = $ctag->GetAtt('exptime');
            }

            //list 配置
            //要采集的列表页的信息
            else if($ctag->GetName()=="listrule")
            {
                $this->lists['sourcetype'] = $ctag->GetAtt('sourcetype');
                $this->lists['rssurl'] = $ctag->GetAtt('rssurl');
                $this->lists['regxurl'] = $ctag->GetAtt('regxurl');
                $this->lists['startid'] = $ctag->GetAtt('startid');
                $this->lists['endid'] = $ctag->GetAtt('endid');
                $this->lists['addv'] = $ctag->GetAtt('addv');
                $this->lists['urlrule'] = $ctag->GetAtt('urlrule');
                $this->lists['musthas'] = $ctag->GetAtt('musthas');
                $this->lists['nothas'] = $ctag->GetAtt('nothas');
                $this->lists['listpic'] = $ctag->GetAtt('listpic');
                $this->lists['usemore'] =  $ctag->GetAtt('usemore');
                $dtp2->LoadString($ctag->GetInnerText());
                for($j=0; $j<=$dtp2->Count; $j++)
                {
                    $ctag2 = $dtp2->CTags[$j];
                    $tname = $ctag2->GetName();
                    if($tname=='addurls')
                    {
                        $this->lists['addurls'] = trim($ctag2->GetInnerText());
                    }
                    else if($tname=='regxrule')
                    {
                        $this->lists['regxrule'] = trim($ctag2->GetInnerText());
                    }
                    else if($tname=='areastart')
                    {
                        $this->lists['areastart'] = trim($ctag2->GetInnerText());
                    }
                    else if($tname=='areaend')
                    {
                        $this->lists['areaend'] = trim($ctag2->GetInnerText());
                    }
                    else if($tname=='batchrule')
                    {
                        $this->lists['batchrule'] = trim($ctag2->GetInnerText());
                    }
                }

                //分析列表网址
                if($this->lists['sourcetype'] != 'rss')
                {
                    $this->lists['url'] = GetUrlFromListRule($this->lists['regxurl'],$this->lists['addurls'],
                    $this->lists['startid'],$this->lists['endid'],$this->lists['addv'],$this->lists['usemore'],$this->lists['batchrule']);
                }
                else
                {
                    $this->lists['url'] = $this->lists['rssurl'];
                }
            }
        }//End Loop

        $dtp->Clear();
        $dtp2->Clear();
    }

    /**
     *  分析采集文章页的字段的设置
     *
     * @access    public
     * @param     string  $configString  配置字符串
     * @return    void
     */
    function LoadItemConfig($configString)
    {
        $dtp = new DedeTagParse();
        $dtp2 = new DedeTagParse();
        $dtp->LoadString($configString);
        for($i=0; $i<=$dtp->Count; $i++)
        {
            $ctag = $dtp->CTags[$i];
            if($ctag->GetName()=='sppage')
            {
                $this->artNotes['sppage'] = $ctag->GetInnerText();
                $this->artNotes['sptype'] = $ctag->GetAtt('sptype');
                $this->spNotes['srul'] = $ctag->GetAtt('srul');
                $this->spNotes['erul'] = $ctag->GetAtt('erul');
            }
            else if($ctag->GetName()=='previewurl')
            {
                $this->artNotes['previewurl'] = $ctag->GetInnerText();
            }
            else if($ctag->GetName()=='keywordtrim')
            {
                $this->artNotes['keywordtrim'] = $ctag->GetInnerText();
            }
            else if($ctag->GetName()=='descriptiontrim')
            {
                $this->artNotes['descriptiontrim'] = $ctag->GetInnerText();
            }
            else if($ctag->GetName()=='item')
            {
                $field = $ctag->GetAtt('field');
                if($field == '')
                {
                    continue;
                }
                $this->artNotes[$field]['value'] = $ctag->GetAtt('value');
                $this->artNotes[$field]['isunit'] = $ctag->GetAtt('isunit');
                $this->artNotes[$field]['isdown'] = $ctag->GetAtt('isdown');
                $this->artNotes[$field]['trim'] = array();
                $this->artNotes[$field]['match'] = '';
                $this->artNotes[$field]['function'] = '';
                $t = 0;
                $dtp2->LoadString($ctag->GetInnerText());
                for($k=0; $k<=$dtp2->Count; $k++)
                {
                    $ctag2 = $dtp2->CTags[$k];
                    if($ctag2->GetName()=='trim')
                    {
                        $this->artNotes[$field]['trim'][$t][0] = str_replace('#n#','&nbsp;',$ctag2->GetInnerText());
                        $this->artNotes[$field]['trim'][$t][1] = $ctag2->GetAtt('replace');
                        $t++;
                    }
                    else if($ctag2->GetName()=='match')
                    {
                        $this->artNotes[$field]['match'] = str_replace('#n#','&nbsp;',$ctag2->GetInnerText());
                    }
                    else if($ctag2->GetName()=='function')
                    {
                        $this->artNotes[$field]['function'] = $ctag2->GetInnerText();
                    }
                }
            }
        }//End Loop

        $dtp->Clear();
        $dtp2->Clear();
    }

    /**
     *  下载其中一个网址，并保存
     *
     * @access    public
     * @param     int  $aid  文档ID
     * @param     string  $dourl  操作地址
     * @param     string  $litpic  缩略图
     * @param     bool  $issave  是否保存
     * @return    string
     */
    function DownUrl($aid, $dourl, $litpic='', $issave=TRUE)
    {
        $this->tmpLinks = array();
        $this->tmpUnitValue = '';
        $this->breImage = '';
        $this->tmpHtml = $this->DownOnePage($dourl);

        //检测是否有分页字段，并预先处理
        if(!empty($this->artNotes['sppage']))
        {
            $noteid = '';
            foreach($this->artNotes as $k=>$sarr)
            {
                if(isset($sarr['isunit']) && $sarr['isunit']==1)
                {
                    $noteid = $k;
                    break;
                }
            }
            
            $this->GetSpPage($dourl, $noteid, $this->tmpHtml);

            if(preg_match("/#p#/i", $this->tmpUnitValue))
            {
                if ($this->artNotes["sptype"] != 'diyrule')
                {
                    $this->tmpUnitValue = '副标题#e#'.$this->tmpUnitValue;
                }
            }
        }

        //处理字段
        $body = $this->GetPageFields($dourl, $issave, $litpic);

        //保存资料到数据库
        if($issave)
        {
            $query = " UPDATE `#@__co_htmls` SET dtime='".time()."',result='".addslashes($body)."',isdown='1' WHERE aid='$aid' ";
            if(!$this->dsql->ExecuteNoneQuery($query))
            {
                echo $this->dsql->GetError();
            }
            return $body;
        }
        return $body;
    }
    
    // 解析地址
    function GetUrl($uri)
    {
        $arr = $tmp = array();

        // query
        $x = array_pad( explode( '?', $uri ), 2, false );
        $arr['query'] = ( $x[1] )? $x[1] : '' ;

        // resource
        $x         = array_pad( explode( '/', $x[0] ), 2, false );
        $x_last = array_pop( $x );
        if( strpos( $x_last, '.' ) === false )
        {
            $arr['resource'] = '';
            $x[] = $x_last;
        }
        else
        {
            $arr['resource'] = $x_last;
            $tmp = @explode('.', $arr['resource']);
            $arr['file'] = @$tmp[0];
            $arr['ext'] = '.'.@$tmp[1];
        }

        // path    
        $arr['path'] = implode( '/', $x );
        if( substr( $arr['path'], -1 ) !== '/' ) $arr['path'] .= '/';

        // url
        $arr['url'] = $uri;

        return $arr;
    }

    /**
     *  获取分页区域的内容
     *
     * @access    public
     * @param     string  $dourl  操作地址
     * @param     string  $noteid  节点ID
     * @param     string  $html  html内容
     * @param     int  $step  步骤
     * @return    string
     */
    function GetSpPage($dourl, $noteid, $html, $step=0)
    {
        $sarr = $this->artNotes[$noteid];
        
        $linkareaHtml = $this->GetHtmlArea('[内容]', $this->artNotes['sppage'], $html);
        if($linkareaHtml=='')
        {
            if($this->tmpUnitValue=='')
            {
                $this->tmpUnitValue .= $this->GetHtmlArea('[内容]', $sarr['match'], $html);
            }
            else
            {
                $this->tmpUnitValue .= "#p#副标题#e#".$this->GetHtmlArea('[内容]', $sarr['match'], $html);
            }
            if ($this->artNotes["sptype"] != 'diyrule') return;
            
        }
        

        //完整的分页列表
        if($this->artNotes["sptype"]=='full' || $this->artNotes["sptype"]=='')
        {
            $this->tmpUnitValue .= $this->GetHtmlArea('[内容]', $sarr['match'], $html);
            $this->cDedeHtml->GetLinkType = "link";
            $this->cDedeHtml->SetSource($linkareaHtml, $dourl, 'link');
            foreach($this->cDedeHtml->Links as $k=>$t)
            {
                $k = $this->cDedeHtml->FillUrl($k);
                if($k==$dourl)
                {
                    continue;
                }
                $nhtml = $this->DownOnePage($k);
                if($nhtml!='')
                {
                    $ct = trim($this->GetHtmlArea('[内容]', $sarr['match'], $nhtml));
                    if($ct!='')
                    {
                        $this->tmpUnitValue .= "#p#副标题#e#".$ct;
                    }
                }
            }
        } 
        else if ($this->artNotes["sptype"] == 'diyrule')
        {
            $maxpage = 10;
            $urlinfo = $this->GetUrl($dourl);
            $testurl = str_replace(array_keys($urlinfo), array_values($urlinfo), $this->artNotes['sppage']);
            $testurl = str_ireplace('{p}', '~p~', $testurl);
            $testurl = str_replace(array('{', '}'), '', $testurl);
            $lastchash = md5($html);
            for($i=$this->spNotes['srul']; $i <= $this->spNotes['erul']; $i++)
            {
                $tempurl = str_replace('~p~', $i, $testurl);
                $tempurl = $this->cDedeHtml->FillUrl($tempurl);

                $nhtml = $this->DownOnePage($tempurl);
                $newchash = md5($nhtml);
                if ($newchash == $lastchash) continue;
                $lastchash = $newchash;
                
                if($nhtml!='')
                {
                    $ct = trim($this->GetHtmlArea('[内容]', $sarr['match'], $nhtml));
                    if($ct!='')
                    {
                        $this->tmpUnitValue .= "#p#副标题#e#".$ct;
                        // echo $this->tmpUnitValue;exit;
                    }
                }
            }
        }
        //上下页形式或不完整的分页列表
        else
        {
            if($step>50)
            {
                return;
            }
            if($step==0)
            {
                $this->tmpUnitValue .= $this->GetHtmlArea('[内容]', $sarr['match'], $html);
            }
            $this->cDedeHtml->GetLinkType = "link";
            $this->cDedeHtml->SetSource($linkareaHtml, $dourl, 'link');
            $hasLink = FALSE;
            foreach($this->cDedeHtml->Links as $k=>$t)
            {
                $k = $this->cDedeHtml->FillUrl($k);
                if(in_array($k, $this->tmpLinks))
                {
                    CONTINUE;
                }
                else{
                    $nhtml = $this->DownOnePage($k);
                    if($nhtml!='')
                    {
                        $ct = trim($this->GetHtmlArea('[内容]',$sarr['match'],$nhtml));
                        if($ct!='')
                        {
                            $this->tmpUnitValue .= "#p#副标题#e#".$ct;
                        }
                    }
                    $hasLink = TRUE;
                    $this->tmpLinks[] = $k;
                    $dourl = $k;
                    $step++;
                }
            }
            if($hasLink)
            {
                $this->GetSpPage($dourl, $noteid, $nhtml, $step);
            }
        }
    }

    /**
     *  获取特定区域的HTML
     *
     * @access    public
     * @param     string  $sptag  区域标记
     * @param     string  $areaRule  地址规则
     * @param     string  $html  html代码
     * @return    string
     */
    function GetHtmlArea($sptag, &$areaRule, &$html)
    {
        //用正则表达式的模式匹配
        if($this->noteInfos['matchtype']=='regex')
        {
            $areaRule = str_replace("/", "\\/", $areaRule);
            $areaRules = explode($sptag, $areaRule);
            $arr = array();
            if($html==''||$areaRules[0]=='')
            {
                return '';
            }
            preg_match('#'.$areaRules[0]."(.*)".$areaRules[1]."#isU", $html, $arr);
            return empty($arr[1]) ? '' : trim($arr[1]);
        }

        //用字符串模式匹配
        else
        {
            $areaRules = explode($sptag,$areaRule);
            if($html=='' || $areaRules[0]=='')
            {
                return '';
            }
            $posstart = @strpos($html,$areaRules[0]);
            if($posstart===FALSE)
            {
                return '';
            }
            $posstart = $posstart + strlen($areaRules[0]);
            $posend = @strpos($html,$areaRules[1],$posstart);
            if($posend > $posstart && $posend!==FALSE)
            {
                //return substr($html,$posstart+strlen($areaRules[0]),$posend-$posstart-strlen($areaRules[0]));
                return substr($html,$posstart,$posend-$posstart);
            }
            else
            {
                return '';
            }
        }
    }

    /**
     *  下载指定网址
     *
     * @access    public
     * @param     string  $dourl  下载地址
     */
    function DownOnePage($dourl)
    {
        $this->cHttpDown->OpenUrl($dourl);
        $html = $this->cHttpDown->GetHtml();
        $this->cHttpDown->Close();
        $this->ChangeCode($html);
        return $html;
    }

    /**
     *  下载特定资源，并保存为指定文件
     *
     * @access    public
     * @param     string  $dourl  操作地址
     * @param     string  $mtype  附件类型
     * @param     string  $islitpic  是否缩略图
     * @return    string
     */
    function DownMedia($dourl, $mtype='img', $islitpic=FALSE)
    {
        global $notckpic;
        if(empty($notckpic))
        {
            $notckpic = 0;
        }

        //检测是否已经下载此文件
        $wi = FALSE;
        $tofile = $filename = '';
        if($notckpic==0)
        {
            $row = $this->dsql->GetOne("SELECT hash,tofile FROM `#@__co_mediaurls` WHERE nid='{$this->noteId}' AND hash='".md5($dourl)."' ");
            if(isset($row['tofile']))
            {
                $tofile = $filename = $row['tofile'];
            }
        }

        //如果不存在，下载文件
        if($tofile=='' || !file_exists($GLOBALS['cfg_basedir'].$filename))
        {
            $filename = $this->GetRndName($dourl,$mtype);
            if(!preg_match("#^\/#", $filename))
            {
                $filename = "/".$filename;
            }

            //防盗链模式
            if($this->noteInfos['isref']=='yes' && $this->noteInfos['refurl']!='')
            {
                if($this->noteInfos['exptime']=='')
                {
                    $this->noteInfos['exptime'] = 10;
                }
                DownImageKeep($dourl,$this->noteInfos['refurl'],$GLOBALS['cfg_basedir'].$filename,'',0,$this->Item['exptime']);
            }

            //普通模式
            else
            {
                $this->cHttpDown->OpenUrl($dourl);
                $this->cHttpDown->SaveToBin($GLOBALS['cfg_basedir'].$filename);
                $this->cHttpDown->Close();
            }

            //下载文件成功，保存记录
            if(file_exists($GLOBALS['cfg_basedir'].$filename))
            {
                if($tofile=='')
                {
                    $query = "INSERT INTO `#@__co_mediaurls`(nid,hash,tofile) VALUES ('".$this->noteId."', '".md5($dourl)."', '".addslashes($filename)."');";
                }
                else
                {
                    $query = "UPDATE `#@__co_mediaurls` SET tofile='".addslashes($filename)."' WHERE hash='".md5($dourl)."' ";
                }
                $this->dsql->ExecuteNoneQuery($query);
            }
        }

        //如果下载图片失败或图片不存在，返回网址
        if(!file_exists($GLOBALS['cfg_basedir'].$filename))
        {
            return $dourl;
        }

        //生成缩略图
        if($mtype=='img' && !$islitpic && $this->breImage=='')
        {
            $this->breImage = $filename;
            if(!preg_match("#^http:\/\/#", $this->breImage) && file_exists($GLOBALS['cfg_basedir'].$filename))
            {
                $filenames = explode('/',$filename);
                $filenamed = $filenames[count($filenames)-1];
                $nfilename = str_replace('.','_lit.',$filenamed);
                $nfilename = str_replace($filenamed,$nfilename,$filename);
                if(@copy($GLOBALS['cfg_basedir'].$filename, $GLOBALS['cfg_basedir'].$nfilename))
                {
                    ImageResize($GLOBALS['cfg_basedir'].$nfilename,$GLOBALS['cfg_ddimg_width'],$GLOBALS['cfg_ddimg_height']);
                    $this->breImage = $nfilename;
                }
            }
        }
        if($mtype=='img' && !$islitpic)
        {
            @WaterImg($GLOBALS['cfg_basedir'].$filename,'collect');
        }
        return $filename;
    }

    /**
     *  获得下载媒体的随机名称
     *
     * @access    public
     * @param     string  $url  地址
     * @param     string  $v  值
     * @return    string
     */
    function GetRndName($url, $v)
    {
        global $cfg_image_dir,$cfg_dir_purview;
        $this->mediaCount++;
        $mnum = $this->mediaCount;
        $timedir = "c".MyDate("ymd",time());
        //存放路径
        $fullurl = preg_replace("#\/{1,}#", "/", $cfg_image_dir."/");
        if(!is_dir($GLOBALS['cfg_basedir']."/$fullurl"))
        {
            MkdirAll($GLOBALS['cfg_basedir']."/$fullurl", $cfg_dir_purview);
        }

        $fullurl = $fullurl.$timedir."/";
        if(!is_dir($GLOBALS['cfg_basedir']."/$fullurl"))
        {
            MkdirAll($GLOBALS['cfg_basedir']."/$fullurl", $cfg_dir_purview);
        }

        //文件名称
        $timename = str_replace('.','', ExecTime());
        $threadnum = 0;
        if(isset($_GET['threadnum']))
        {
            $threadnum = intval($_GET['threadnum']);
        }
        $filename = dd2char($timename.$threadnum.'-'.$mnum.mt_rand(1000,9999));

        //分配扩展名
        $urls = explode('.',$url);
        if($v=='img')
        {
            $shortname = '.jpg';
            if(preg_match("#\.gif$#i", $url))
            {
                $shortname = '.gif';
            }
            else if(preg_match("#\.png$#i", $url))
            {
                $shortname = '.png';
            }
        }
        else if($v=='embed')
        {
            $shortname = '.swf';
        }
        else
        {
            $shortname = '';
        }
        $fullname = $fullurl.$filename.$shortname;
        return preg_replace("#\/{1,}#", "/", $fullname);
    }

    /**
     *  按载入的网页内容获取规则，从一个HTML文件中获取内容
     *
     * @access    public
     * @param     string  $dourl  操作地址
     * @param     string  $needDown  需要下载
     * @param     string  $litpic  缩略图
     * @return    string
     */
    function GetPageFields($dourl, $needDown, $litpic='')
    {
        global $cfg_auot_description;
        if($this->tmpHtml == '')
        {
            return '';
        }
        $artitem = '';
        $isPutUnit = FALSE;
        $tmpLtKeys = array();
        $inarr = array();

        //自动分析关键字和摘要
        preg_match("#<meta[\s]+name=['\"]keywords['\"] content=['\"](.*)['\"]#isU", $this->tmpHtml, $inarr);
        preg_match("#<meta[\s]+content=['\"](.*)['\"] name=['\"]keywords['\"]#isU", $this->tmpHtml, $inarr2);
        if(!isset($inarr[1]) && isset($inarr2[1]))
        {
            $inarr[1] = $inarr2[1];
        }
        if(isset($inarr[1]))
        {
            $keywords = trim(cn_substr(html2text($inarr[1]),30));
            $keywords = preg_replace("#".$this->artNotes['keywordtrim']."#isU",'',$keywords);
            if(!preg_match("#,#", $keywords))
            {
                $keywords = str_replace(' ', ',', $keywords);
            }
            $artitem .= "{dede:field name='keywords'}".$keywords."{/dede:field}\r\n";
        }
        else
        {
            $artitem .= "{dede:field name='keywords'}{/dede:field}\r\n";
        }
        preg_match("#<meta[\s]+name=['\"]description['\"] content=['\"](.*)['\"]#isU", $this->tmpHtml, $inarr);
        preg_match("#<meta[\s]+content=['\"](.*)['\"] name=['\"]description['\"]#isU", $this->tmpHtml, $inarr2);
        if(!isset($inarr[1]) && isset($inarr2[1]))
        {
            $inarr[1] = $inarr2[1];
        }
        if(isset($inarr[1]))
        {
            $description = trim(cn_substr(html2text($inarr[1]),$cfg_auot_description));
            $description = preg_replace("/".$this->artNotes['descriptiontrim']."/isU",'',$description);
            $artitem .= "{dede:field name='description'}".$description."{/dede:field}\r\n";
        }
        else
        {
            $artitem .= "{dede:field name='description'}{/dede:field}\r\n";
        }

        foreach($this->artNotes as $k=>$sarr)
        {
            //可能出现意外的情况
            if($k=='sppage' || $k=='sptype')
            {
                continue;
            }
            if(!is_array($sarr))
            {
                continue;
            }

            //特殊的规则或没匹配选项
            if($sarr['match']=='' || trim($sarr['match'])=='[内容]')
            {
                if($sarr['value']!='[内容]')
                {
                    $v = trim($sarr['value']);
                }
                else
                {
                    $v = '';
                }
            }
            else
            {
                //分多页的内容
                if($this->tmpUnitValue!='' && !$isPutUnit && $sarr['isunit']==1)
                {
                    $v = $this->tmpUnitValue;
                    $isPutUnit = TRUE;
                }
                else
                {
                    $v = $this->GetHtmlArea('[内容]',$sarr['match'],$this->tmpHtml);
                }

                //过滤内容规则
                if(isset($sarr['trim']) && $v!='')
                {
                    foreach($sarr['trim'] as $nv)
                    {
                        if($nv[0]=='')
                        {
                            continue;
                        }
                        $nvs = str_replace("/", "\\/", $nv[0]);
                        $v = preg_replace("#".$nvs."#isU", $nv[1], $v);
                    }
                }

                //是否下载远程资源
                if($needDown)
                {
                    if($sarr['isdown'] == '1')
                    {
                        $v = $this->DownMedias($v, $dourl);
                    }
                }
                else
                {
                    if($sarr['isdown'] == '1')
                    {
                        $v = $this->MediasReplace($v, $dourl);
                    }
                }
            }
            $v = trim($v);

            //用户自行对内容进行处理的接口
            if($sarr['function'] != '')
            {
                $tmpLtKeys[$k]['v'] = $v;
                $tmpLtKeys[$k]['f'] = $sarr['function'];
            }
            else
            {
                $v = preg_replace("#(　)$#", '', $v);
                $v = preg_replace("#[\r\n\t ]{1,}$#", '', $v);
                $artitem .= "{dede:field name='$k'}$v{/dede:field}\r\n";
            }
        }//End Foreach

        //处理带函数的项目
        foreach($tmpLtKeys as $k=>$sarr)
        {
            $v = $this->RunPHP($sarr['v'],$sarr['f']);
            $v = preg_replace("#(　)$#", '', $v);
            $v = preg_replace("#[\r\n\t ]{1,}$#", '', $v);
            $artitem .= "{dede:field name='$k'}$v{/dede:field}\r\n";
        }
        if($litpic!='' && $this->lists['listpic']==1)
        {
            $artitem .= "{dede:field name='litpic'}".$this->DownMedia($litpic,'img',TRUE)."{/dede:field}\r\n";
        }
        else
        {
            $artitem .= "{dede:field name='litpic'}".$this->breImage."{/dede:field}\r\n";
        }
        return $artitem;
    }

    /**
     *  下载内容里的资源
     *
     * @access    public
     * @param     string  $html  html内容
     * @param     string  $url  地址
     * @return    string
     */
    function DownMedias(&$html, $url)
    {
        $this->cDedeHtml->SetSource($html,$url,'media');

        //下载标记里的图片和flash
        foreach($this->cDedeHtml->Medias as $k=>$v)
        {
            $furl = $this->cDedeHtml->FillUrl($k);
            if($v=='embed' && !preg_match("#\.(swf)\?(.*)$#i", $k)&& !preg_match("#\.(swf)$#i", $k))
            {
                continue;
            }
            $okurl = $this->DownMedia($furl, $v);
            $html = str_replace($k, $okurl, $html);
        }

        //下载超链接里的图片
        foreach($this->cDedeHtml->Links as $v=>$k)
        {
            if(preg_match("#\.(jpg|gif|png)\?(.*)$#i",$v) || preg_match("#\.(jpg|gif|png)$#i", $v))
            {
                $m = "img";
            }
            else if(preg_match("#\.(swf)\?(.*)$#i", $v) || preg_match("#\.(swf)$#i", $v))
            {
                $m = "embed";
            }
            else
            {
                continue;
            }
            $furl = $this->cDedeHtml->FillUrl($v);
            $okurl = $this->DownMedia($furl, $m);
            $html = str_replace($v, $okurl, $html);
        }
        return $html;
    }

    /**
     *  仅替换内容里的资源为绝对网址
     *
     * @access    public
     * @param     string  $html  html内容
     * @param     string  $dourl  操作地址
     * @return    string
     */
    function MediasReplace(&$html, $dourl)
    {
        $this->cDedeHtml->SetSource($html, $dourl, 'media');
        foreach($this->cDedeHtml->Medias as $k=>$v)
        {
            $k = trim($k);
            $okurl = $this->cDedeHtml->FillUrl($k);
            $html = str_replace($k, $okurl, $html);
        }
        return $html;
    }

    //测试列表
    function Testlists(&$dourl)
    {
        $links = array();

        //从RSS中获取网址
        if($this->lists['sourcetype']=='rss')
        {
            $dourl = $this->lists['rssurl'];
            $links = GetRssLinks($dourl);
            return $links;
        }

        //正常情况
        if(isset($this->lists['url'][0][0]))
        {
            $dourl = $this->lists['url'][0][0];
        }
        else
        {
            $dourl = '';
            $this->errString = "配置中指定列表的网址错误!\r\n";
            return $links;
        }
        $dhtml = new DedeHtml2();
        $html = $this->DownOnePage($dourl);
        if($html=='')
        {
            $this->errString = "读取网址： $dourl 时失败！\r\n";
            return $links;
        }
        if( trim($this->lists['areastart']) !='' && trim($this->lists['areaend']) != '' )
        {
            $areabody = $this->lists['areastart'].'[var:区域]'.$this->lists['areaend'];
            $html = $this->GetHtmlArea('[var:区域]',$areabody,$html);
        }
        $t1 = ExecTime();
        $dhtml->SetSource($html,$dourl,'link');
        foreach($dhtml->Links as $s)
        {
            $this->lists['musthas'] = str_replace('/', '\/', $this->lists['musthas']);
            if($this->lists['nothas']!='')
            {
                if( preg_match("#".$this->lists['nothas']."#i", $s['link']) )
                {
                    continue;
                }
            }
            if($this->lists['musthas']!='')
            {
                if( !preg_match("#".$this->lists['musthas']."#i", $s['link']) )
                {
                    continue;
                }
            }
            $links[] = $s;
        }
        return $links;
    }

    /**
     *  测试文章规则
     *
     * @access    public
     * @param     $dourl  操作地址
     * @return    string
     */
    function TestArt($dourl)
    {
        return $this->DownUrl(0, $dourl, '', FALSE);
    }

    /**
     *  采集种子网址
     *
     * @access    public
     * @param     int  $islisten  是否监听
     * @param     int  $glstart  采集开始
     * @param     int  $pagesize  分页尺寸
     * @return    string
     */
    function GetSourceUrl($islisten=0, $glstart=0, $pagesize=10,$mytotal = 0)
    {
        //在第一页中进行预处理
        //“下载种子网址的未下载内容”的模式不需要经过采集种子网址的步骤
        if($glstart==0)
        {
            //重新采集所有内容模式
            if($islisten == -1)
            {
                $this->dsql->ExecuteNoneQuery("DELETE FROM `#@__co_urls` WHERE nid='".$this->noteId."'");
                $this->dsql->ExecuteNoneQuery("DELETE FROM `#@__co_htmls` WHERE nid='".$this->noteId."' ");
            }
            //监听模式(保留未导出的内容、保留节点的历史网址记录)
            else
            {
                $this->dsql->ExecuteNoneQuery("DELETE FROM `#@__co_htmls` WHERE nid='".$this->noteId."' AND isexport=1 ");
            }
        }

        //从RSS中获取种子
        if($this->lists['sourcetype']=='rss')
        {
            $links = GetRssLinks($this->lists['rssurl']);
            //if($this->noteInfos['cosort']!='asc')
            $tmplink = krsort($links);
            $lk = 0;
            foreach($links as $v)
            {
                if($islisten==1)
                {
                    $lrow = $this->dsql->GetOne("SELECT * FROM `#@__co_urls` WHERE nid='{$this->noteId}' AND hash='".md5($v['link'])."' ");
                    if(is_array($lrow))
                    {
                        continue;
                    }
                }
                $lk++;
                if($mytotal > 0 && $lk >= $mytotal) break;
                $inquery = "INSERT INTO `#@__co_htmls` (`nid` ,`typeid`, `title` , `litpic` , `url` , `dtime` , `isdown` , `isexport` , `result`)
                    VALUES ('{$this->noteId}' , '0', '".addslashes($v['title'])."' , '".addslashes($v['image'])."' , '".addslashes($v['link'])."' , 'dtime' , '0' , '0' , ''); ";
                $this->dsql->ExecuteNoneQuery($inquery);

                $inquery = "INSERT INTO `#@__co_urls`(hash,nid) VALUES ('".md5($v['link'])."','{$this->noteId}');";
                $this->dsql->ExecuteNoneQuery($inquery);
            }
            return 0;
        }
        else
        {
            $tmplink = array();
            $arrStart = 0;
            $moviePostion = 0;
            $endpos = $glstart + $pagesize;
            $totallen = count($this->lists['url']);
            foreach($this->lists['url'] as $k=>$cururls)
            {
                $status = FALSE;
                $urlnum = 0;
                $cururl = $cururls[0];
                $typeid = (empty($cururls[1]) ? 0 : $cururls[1]);
                $moviePostion++;
                if($moviePostion > $endpos)
                {
                    break;
                }
                if($moviePostion > $glstart)
                {
                    $html = $this->DownOnePage($cururl);
                    if( trim($this->lists['areastart']) !='' && trim($this->lists['areaend']) != '' )
                    {
                        $areabody = $this->lists['areastart'].'[var:区域]'.$this->lists['areaend'];
                        $html = $this->GetHtmlArea('[var:区域]',$areabody,$html);
                    }
                    $this->cDedeHtml->SetSource($html, $cururl, 'link');
                    $lk = 0;
                    foreach($this->cDedeHtml->Links as $k=>$v)
                    {
                        if($this->lists['nothas']!='')
                        {
                            if( preg_match("/".$this->lists['nothas']."/", $v['link']) )
                            {
                                continue;
                            }
                        }
                        if($this->lists['musthas']!='')
                        {
                            if( !preg_match("#".$this->lists['musthas']."#i", $v['link']) )
                            {
                                continue;
                            }
                        }
                        $tmplink[$arrStart][0] = $v;
                        $tmplink[$arrStart][1] = $typeid;
                        $arrStart++;
                        $lk++;
                        if($mytotal > 0 && $lk >= $mytotal)
                        {
                            $status = TRUE;
                            break;
                        }else{
                            $urlnum = $lk;
                        }
                    }
                    $this->cDedeHtml->Clear();
                    if($status = TRUE || $urlnum >= $mytotal) break;
                }
            }//foreach
            //if($this->noteInfos['cosort']!='asc')

            krsort($tmplink);
            $unum = count($tmplink);
            if($unum>0)
            {
                //echo "完成本次种子网址抓取，共找到：{$unum} 个记录!<br/>\r\n";
                foreach($tmplink as $vs)
                {
                    $v = $vs[0];
                    $typeid = $vs[1];
                    if($islisten==1)
                    {
                        $lrow = $this->dsql->GetOne("SELECT * FROM `#@__co_urls` WHERE nid='{$this->noteId}' AND hash='".md5($v['link'])."' ");
                        if(is_array($lrow))
                        {
                            continue;
                        }
                    }
                    $inquery = "INSERT INTO `#@__co_htmls` (`nid` ,`typeid`, `title` , `litpic` , `url` , `dtime` , `isdown` , `isexport` , `result`)
                    VALUES ('{$this->noteId}' ,'$typeid', '".addslashes($v['title'])."' , '".addslashes($v['image'])."' , '".addslashes($v['link'])."' , '".time()."' , '0' , '0' , ''); ";
                    $this->dsql->ExecuteNoneQuery($inquery);

                    $inquery = "INSERT INTO `#@__co_urls`(hash,nid) VALUES ('".md5($v['link'])."','{$this->noteId}');";
                    $this->dsql->ExecuteNoneQuery($inquery);
                }
                if($endpos >= $totallen)
                {
                    return 0;
                }
                else
                {
                    return ($totallen-$endpos);
                }
            }
            else
            {
                //仅在第一批采集时出错才返回
                if($glstart==0)
                {
                    return -1;
                }

                //在其它页出错照常采集后面内容
                if($endpos >= $totallen)
                {
                    return 0;
                }
                else
                {
                    return ($totallen-$endpos);
                }
            }
        }
    }

    /**
     *  用扩展函数处理采集到的原始数据
     *
     * @access    public
     * @param     string  $fvalue  值
     * @param     string  $phpcode  PHP代码
     * @return    string
     */
    function RunPHP($fvalue, $phpcode)
    {
        $DedeMeValue = $fvalue;
        $phpcode = preg_replace("#'@me'|\"@me\"|@me#isU", '$DedeMeValue', $phpcode);
        if(preg_match("#@body#i", $phpcode))
        {
            $DedeBodyValue = $this->tmpHtml;
            $phpcode = preg_replace("#'@body'|\"@body\"|@body#isU", '$DedeBodyValue', $phpcode);
        }
        if(preg_match("#@litpic#i", $phpcode))
        {
            $DedeLitPicValue = $this->breImage;
            $phpcode = preg_replace("#'@litpic'|\"@litpic\"|@litpic#isU", '$DedeLitPicValue', $phpcode);
        }
        eval($phpcode.";");
        return $DedeMeValue;
    }

    /**
     *  编码转换
     *
     * @access    public
     * @param     string  $str  字符串
     * @return    string
     */
    function ChangeCode(&$str)
    {
        global $cfg_soft_lang;
        if($cfg_soft_lang=='utf-8')
        {
            if($this->noteInfos["sourcelang"]=="gb2312")
            {
                $str = gb2utf8($str);
            }
            if($this->noteInfos["sourcelang"]=="big5")
            {
                $str = gb2utf8(big52gb($str));
            }
        }
        else
        {
            if($this->noteInfos["sourcelang"]=="utf-8")
            {
                $str = utf82gb($str);
            }
            if($this->noteInfos["sourcelang"]=="big5")
            {
                $str = big52gb($str);
            }
        }
    }
}//End Class