template.inc

完美的在线教育系统

<?php
/**
 * This is a library of functions to act on the template HTML file.
 * The functions declared here mainly read the template and write the
 * result output using this template.
 * Modified version - the PHP extension must be higher than 3.2.32 and PHP must be higher than 4.2
 */
/**
 * Initialise arrays
 */
$templates=array();

/**
 * Reads the template file given and returns a string. 
 * Similar to the file_get_contents() function but using a loop to read by chunks
 * of 1024 bytes.
 * @param	string	Filename
 * @return	string	File contents 
 */
function load_file($file){
    if (!($fp=fopen($file, 'r'))){
		echo "Can't open template file $template_file";
		exit_local(1);
    } 
    
    while(!feof($fp)) {
		$str.=fgets($fp, 1024);
    }
    
    fclose($fp);

    return $str;
}

/**
 * Build the navigation bar
 * @param	string	Original query ? - not used anyway
 * @return	string	Navigation bar string
 */
function make_nav($query_orig=''){
   global $found,$np,$isnext,$ps,$tag,$ul,$ul_arr,$self,$o,$m,$cat,$cat_arr;
   global $dt, $dp, $dx, $dm, $dy, $dd, $db, $de, $lang, $wm, $wf, $site, $sp, $sy;
   global $q_local,$db_local,$de_local,$lang_arr, $tag, $tag_arr, $type, $type_arr;
   
   $temp_ul='';
   for($i=0; $i<count($ul_arr); $i++) {
	$temp_ul.="&ul=".urlencode($ul_arr[$i]);
   }	
   $temp_tag='';
   for($i=0; $i<count($tag_arr); $i++) {
	$temp_tag.="&tag=".urlencode($tag_arr[$i]);
   }	
   $temp_lang='';
   for($i=0; $i<count($lang_arr); $i++) {
	$temp_lang.="&lang=".urlencode($lang_arr[$i]);
   }	
   $temp_cat='';
   for($i=0; $i<count($cat_arr); $i++) {
	$temp_cat.="&cat=".urlencode($cat_arr[$i]);
   }	
   $temp_type='';
   for($i=0; $i<count($type_arr); $i++) {
	$temp_type.="&type=".urlencode($type_arr[$i]);
   }	

   if($np>0){
     $prevp=$np-1;
     $prev_href="$self?q=$q_local&np=$prevp&m=$m".
                ($ps==20?'':"&ps=$ps").
                $temp_tag.
                $temp_ul.
                $temp_cat.
                $temp_lang.
                ($site==''?'':"&site=$site").
		($wm==''?'':"&wm=$wm").
		($wf==''?'':"&wf=$wf").
                (!$o?'':"&o=$o").
                ($dt=='back'?'':"&dt=$dt").
                (!$dp?'':"&dp=$dp").
                (!$dx?'':"&dx=$dx").
                ($dd=='01'?'':"&dd=$dd").
                (!$dm?'':"&dm=$dm").
                ($dy=='1970'?'':"&dy=$dy").
                ($db=='01/01/1970'?'':"&db=$db_local").
                ($de=='31/12/2020'?'':"&de=$de_local").
                ($sp==''?'':"&sp=$sp").
                ($sy==''?'':"&sy=$sy");

     $nav_left=print_template('navleft',0);
     $nav_left=ereg_replace('\$NH',"$prev_href",$nav_left);
   } elseif ($np==0) {
     $nav_left=print_template('navleft_nop',0);
   }

   if($isnext==1) {
     $nextp=$np+1;
     $next_href="$self?q=$q_local&np=$nextp&m=$m".
     		($ps==20?'':"&ps=$ps").
                $temp_tag.
		$temp_ul.
                $temp_cat.
                $temp_lang.
                ($site==''?'':"&site=$site").
		($wm==''?'':"&wm=$wm").
		($wf==''?'':"&wf=$wf").
                (!$o?'':"&o=$o").
                ($dt=='back'?'':"&dt=$dt").
                (!$dp?'':"&dp=$dp").
                (!$dx?'':"&dx=$dx").
                ($dd=='01'?'':"&dd=$dd").
                (!$dm?'':"&dm=$dm").
                ($dy=='1970'?'':"&dy=$dy").
                ($db=='01/01/1970'?'':"&db=$db_local").
                ($de=='31/12/2020'?'':"&de=$de_local").
                ($sp==''?'':"&sp=$sp").
                ($sy==''?'':"&sy=$sy");

     $nav_right=print_template('navright',0);
     $nav_right=ereg_replace('\$NH',"$next_href",$nav_right);
   } else {
     $nav_right=print_template('navright_nop',0);
   }

   $nav_bar0=print_template('navbar0',0);
   $nav_bar1=print_template('navbar1',0);

   $tp=ceil($found/$ps);

   $cp=$np+1;

   if ($cp>5) {
      $lp=$cp-5;
   } else {
      $lp=1;
   }

   $rp=$lp+10-1;
   if ($rp>$tp) {
      $rp=$tp;
      $lp=$rp-10+1;
      if ($lp<1) $lp=1;
   }


   if ($lp!=$rp) {
      for ($i=$lp; $i<=$rp;$i++) {
         $realp=$i-1;
   
         if ($i==$cp) {
            $nav_bar=$nav_bar.$nav_bar0;
         } else {
            $nav_bar=$nav_bar.$nav_bar1;
         }
         
         $href="$self?q=$q_local&np=$realp&m=$m".
               	($ps==20?'':"&ps=$ps").
                $temp_tag.
		$temp_ul.
                $temp_cat.
                $temp_lang.
                ($site==''?'':"&site=$site").
		($wm==''?'':"&wm=$wm").
		($wf==''?'':"&wf=$wf").
                (!$o?'':"&o=$o").
                ($dt=='back'?'':"&dt=$dt").
                (!$dp?'':"&dp=$dp").
                (!$dx?'':"&dx=$dx").
                ($dd=='01'?'':"&dd=$dd").
                (!$dm?'':"&dm=$dm").
                ($dy=='1970'?'':"&dy=$dy").
                ($db=='01/01/1970'?'':"&db=$db_local").
                ($de=='31/12/2020'?'':"&de=$de_local").
                ($sp==''?'':"&sp=$sp").
                ($sy==''?'':"&sy=$sy");

         $nav_bar=ereg_replace('\$NP',"$i",$nav_bar);
         $nav_bar=ereg_replace('\$NH',"$href",$nav_bar);
      }
   
      $nav=print_template('navigator',0);
      $nav=ereg_replace('\$NL',"$nav_left",$nav);
      $nav=ereg_replace('\$NR',"$nav_right",$nav);
      $nav=ereg_replace('\$NB',"$nav_bar",$nav);

   } elseif ($found) {
      $nav=print_template('navigator',0);
      $nav=ereg_replace('\$NL',"$nav_left",$nav);
      $nav=ereg_replace('\$NR',"$nav_right",$nav);
      $nav=ereg_replace('\$NB',"",$nav);
   }

   return $nav;
}
/**
 * Prints the template on screen after substituting a lot of variables
 * from the global scope
 * @param	string	Index of the part of the template we want to use (storedoc_top, storedoc, ...)
 * @param	boolean	Whether to echo the results on screen or just return the string
 * @return	mixed	Nothing if $echo=1, the resulting string if $echo=false
 */
function print_template($t,$echo=1){
    global $templates, $udm_agent;
    global $first_doc, $last_doc, $found, $query_orig, $error, $self;
    global $nav, $wordinfo, $ws, $doclang, $doccharset, $storedocurl;
    global $url, $ue, $o, $cat, $storedstr, $stored_href;
    global $clonestr, $searchtime, $persite;
    global $title, $rating, $desc, $contype, $lastmod, $docsize, $ndoc;
    global $keyw, $text, $category, $pop_rank;
    global $crc, $Randoms, $rec_id, $DEBUG, $id;
    global $lang_url_translation, $phpver, $sitelimit_href, $sitelimitstr;
    global $global_doc_res, $global_res_position;
    global $last_modified, $content, $charset, $length, $document, $url;
 
    $str=$templates["$t"][$o];
    if ($str == '') $str=$templates["$t"][0];
    
    //variables as returned by the udm_search() function and defined in search.php
    $str=ereg_replace('\$f', "$first_doc", $str);
    $str=ereg_replace('\$l', "$last_doc", $str);
    $str=ereg_replace('\$t', "$found", $str);
    $str=ereg_replace('\$A', $self, $str);

    $str=ereg_replace('\$Q', urlencode(stripslashes($query_orig)), $str);
    $str=ereg_replace('\$q', urlencode($query_orig), $str);
    $str=eregi_replace('\$UE', $ue, $str);

    $str=ereg_replace('\$E', $error, $str);
    $str=ereg_replace('\$W', htmlspecialchars($wordinfo), $str);
    $str=ereg_replace('\$\(WS\)', htmlspecialchars($ws), $str);

    $str=ereg_replace('\$V', $nav, $str);

    if ($lang_url_translation == 'yes') {
    	$nolangurl = ereg_replace("\.[a-z]{2}\.[a-z]{2,4}$", "", $url);
        $str=ereg_replace('\$DU', htmlspecialchars($nolangurl), $str);
    } else {
    	$str=ereg_replace('\$DU', htmlspecialchars($url), $str);
    }

    $str=ereg_replace('\$\(stored_href\)', htmlspecialchars($stored_href), $str);
    $str=ereg_replace('\$\(sitelimit_href\)', htmlspecialchars($sitelimit_href), $str);

    //require_once('filter_user.functions.php');
    //$title = subst_course_code(urldecode(html_entity_decode($title)));
    $str=ereg_replace('\$DT', htmlspecialchars($title), $str);
    $str=ereg_replace('\$DR', htmlspecialchars("$rating"), $str);
    //$text = subst_course_code(html_entity_decode($text));
    //Comment out temporarily because breaking XML file (excerpt of Word document with unknown character)
    $str=ereg_replace('\$DX', htmlspecialchars(urlencode($text)), $str);
    $str=ereg_replace('\$DE', ($desc != '')?htmlspecialchars(urlencode($desc)):htmlspecialchars(urlencode($text)), $str);
    $str=ereg_replace('\$DC', $contype, $str);
    $str=ereg_replace('\$DM', $lastmod, $str);
    $str=ereg_replace('\$DS', "$docsize", $str);
    $str=ereg_replace('\$DN', "$ndoc", $str);
    $str=ereg_replace('\$DD', htmlspecialchars($desc), $str);
    $str=ereg_replace('\$DK', htmlspecialchars($keyw), $str);
    $str=ereg_replace('\$SearchTime', "$searchtime", $str);
    $str=ereg_replace('\$\(STORED\)', htmlspecialchars("$storedstr"), $str);
    $str=ereg_replace('\$\(SITELIMIT\)', htmlspecialchars("$sitelimitstr"), $str);
    $str=ereg_replace('\$\(Pop_Rank\)', "$pop_rank", $str);
    $str=ereg_replace('\$CL', "$clonestr", $str);
    $str=ereg_replace('\$\(PerSite\)', "$persite", $str);
    
	//information on each link (header for one item)
    if ($t == 'storedoc_top') {
        $str=ereg_replace('\$\(ID\)', htmlspecialchars("$id"), $str);
        $str=ereg_replace('\$\(Last-Modified\)', htmlspecialchars("$last_modified"), $str);
        $str=ereg_replace('\$\(Content-Language\)', htmlspecialchars("$content"), $str);
		$str=ereg_replace('\$\(Charset\)', htmlspecialchars("$charset"), $str);
		$str=ereg_replace('\$\(Content-Length\)', "$length", $str);
		$str=ereg_replace('\$\(URL\)', htmlspecialchars("$url"), $str);
    }
    //link to the document
    if ($t == 'storedoc') {
		$str=ereg_replace('\$\(document\)', htmlspecialchars("$document"), $str);
    }

	//Categories	
	if (ereg('\$CP',$str)) {
		if ($temp_cp_arr=udm_cat_path($udm_agent,$cat)) {
    		reset($temp_cp_arr);
        	$temp_cp='';
        	for ($i=0; $i<count($temp_cp_arr); $i+=2) {
        		$cp_path=$temp_cp_arr[$i];
        		$cp_name=$temp_cp_arr[$i+1];
        		$temp_cp .= " &gt; <a href=\"$PHP_SELF?cat=$cp_path\">$cp_name</a> ";
        	}
        	$str=ereg_replace('\$CP', $temp_cp, $str);
	} else $str=ereg_replace('\$CP', '', $str);
    }    	

	//Categories
    if (ereg('\$CS',$str)) {
    	if ($temp_cp_arr=udm_cat_list($udm_agent,$cat)) {
        	reset($temp_cp_arr);
        	$temp_cp='';
            for ($i=0; $i<count($temp_cp_arr); $i+=2) {
        		$cp_path=$temp_cp_arr[$i];
        		$cp_name=$temp_cp_arr[$i+1];
        		$temp_cp .= "<a href=\"$PHP_SELF?cat=$cp_path\">$cp_name</a><br>";
        	}
                $str=ereg_replace('\$CS', $temp_cp, $str);
	} else $str=ereg_replace('\$CS', '', $str);
    }    	
	
	//Categories
    if (ereg('\$DY',$str)) {
    	if ($temp_cp_arr=udm_cat_path($udm_agent,$category)) {
        	reset($temp_cp_arr);
        	$temp_cp='';
            for ($i=0; $i<count($temp_cp_arr); $i+=2) {
        		$cp_path=$temp_cp_arr[$i];
        		$cp_name=$temp_cp_arr[$i+1];
        		$temp_cp .= " &gt; <a href=\"$PHP_SELF?cat=$cp_path\">$cp_name</a> ";
        	}
            $str=ereg_replace('\$DY', $temp_cp, $str);
		} else $str=ereg_replace('\$DY', '', $str);
    }

	//Number of documents
    if (eregi('\$ndocs*',$str)) {
    	$str=preg_replace('/\$ndocs?/', get_doc_count(), $str);
    }
	//document link?
    if ($global_doc_res) {
		$str=preg_replace_callback('/\$\(([\w\.\_\-\:]+)\)/', 'res_field_callback', $str);
    }
    
    //Random?