Splitted functions and code, from helppage

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@629 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/include/helpviewer_func.inc b/include/helpviewer_func.inc
new file mode 100644 (file)
index 0000000..804cd3e
--- /dev/null
+++ b/include/helpviewer_func.inc
@@ -0,0 +1,318 @@
+<?php
+/*
+   This code is part of GOsa (https://gosa.gonicus.de)
+   Copyright (C) 2003  Cajus Pollmeier, Fabian Hickert
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+/******************************************* 
+  Only function definition will follow here
+/*******************************************
+
+/* Reads all files in specified directory with contents an some inforations about the file */
+/* Read all files with contents*/
+/*                 |Folder="/var/ww...",
+                   |        |Fileprefix="node"
+                   |        |       |Filesuffix=".html"
+                   |        |       |       |WithoutContent=false(This means : read content)
+                   |        |       |       |          |Singlepage=false(Means read all, if w want to read single, specify its filename)"*/
+function readfiles($basedir,$prefix,$suffix,$onlyIndex,$singlepage=false)
+{
+  global $replacements;
+
+  $str    = array();  // Temporary variable
+  $cnt    = 0;        // Array index creation
+  $file   = "";       // Contains Filename
+
+  $dir = opendir($basedir);
+
+  $str['global']['start']       = $cnt;     // collect basic informations - Startpage
+  $str['global']['basedir']     = $basedir; // collect basic informations - Basedirectory
+
+  /* Startime for Benchmark */ 
+  $start =   (time()+microtime());
+
+  /* if singlepage == false -> Get all pages, */
+  if(!$singlepage) {
+
+    /* While theres is an unreaded file in our resource */
+    while (($file = readdir($dir)) !== false) {
+
+      /* Filter all files which arn't intressting */
+      if((strstr($file,$suffix))&&($file!=".")&&($file!="..")&&(strstr($file,$prefix))){
+
+        /* Collect informations */
+        $str[$file]=array();
+        $str[$file]['name']   = $file;
+        $str[$file]['size']   = filesize($basedir.$file);
+
+        /* Readfile conent too ? */
+        if(!$onlyIndex){
+          $str[$file]['content']= remove_unwanted_tags(linkwrapper(getcontents($basedir.$file),""),$replacements);
+        }
+
+        /* Include file status, for debugging, not used in script yet */
+        $str[$file]['stat']   = stat($basedir.$file);
+        $cnt++;
+      }
+    }
+
+    /* Only get on file*/
+  }else{
+    /* Pages read = 1 */       
+    $cnt = 1;
+
+    /* Prepare result*/
+    $file                 = $singlepage;
+    $str[$file]           = array();
+    $str[$file]['name']   = $file;
+    $str[$file]['size']   = filesize($basedir.$file);
+
+    /* If onlyIndex == true skip reading content */
+    if(!$onlyIndex){
+      $str[$file]['content']= remove_unwanted_tags(linkwrapper(getcontents($basedir.$file),""),$replacements);
+    }
+
+    /* Include file status, for debugging, not used in script yet */
+    $str[$file]['stat']   = stat($basedir.$file);
+  }
+
+  /* Sort to  right order */
+  asort($str);
+
+  /* Endtime for Benchmark*/
+  $end = (time()+microtime());
+  $str['global']['cmptime'] = $end-$start;
+
+  /* Number of pages readed */
+  $str['global']['numpages']= $cnt;
+  closedir($dir);
+  return($str);
+}
+
+/* Read filecontent */
+function getcontents($file)
+{
+  $str = "" ;   // Temporary variable for file contents 
+  $tmp = "" ;   // Temporary varibale for partitial file contents
+
+  /* open file and read*/
+  $fp = fopen($file,"r");
+  if($fp) {
+    while($tmp = fread($fp,512))
+    {
+      $str.=  $tmp;
+    }
+  }else{
+    return(false);
+  }
+  return($str);
+}
+
+/*Remove tags */
+function remove_unwanted_tags($str,$replacements)
+{
+  $str=preg_replace($replacements['from'],$replacements['to'],$str);
+  return($str);
+}
+
+/*Converts the all links to specified path, is needed to get simple navigation */
+function linkwrapper($str,$link)
+{
+  $str=str_replace("HREF=\"","href=\"".$link."?pg=",$str);  
+  return($str);
+}
+
+/* Search content */
+function search($arr,$word)
+{
+  global $minwordlength,$allowed_chars_in_searchword;
+  /* Prepare Vars */ 
+  $result                     =array(); // Search result, filename, + hits + hits per word + matches 
+  $words                      =array(); // Temporary searchword handling
+  $useablewords               =array(); // Temporary searchword handling
+  $tryword                    = "";     // Temporary searchword handling
+  $result['global']['maxhit'] = 0;
+  unset($_SESSION['lastresults']);
+  unset($_SESSION['parsed_search_keyword']);
+  $_SESSION['parsed_search_keyword']="";
+
+  /* prepare searchwords */
+  $word   = trim($word);
+
+  /* Filter all unusable chars */
+  $word   = preg_replace($allowed_chars_in_searchword,"",$word);
+  $words  = split(" ",str_replace("+"," ",$word));
+
+  /* Check all wordlengths */
+  foreach($words as $tryword){
+    $tryword = trim($tryword);
+
+    /* Filter words smaler than 3 chars */
+    if(strlen($tryword)>=$minwordlength) {
+      $_SESSION['parsed_search_keyword'].=$tryword." ";
+      $useablewords[]=$tryword;
+    }
+  }
+
+  /* Use words to search the content */
+  foreach($arr as $key=>$val)
+  {
+    /* overallhits counts hits per page */
+    $overallhits=0;
+
+    /* Search all words */
+    foreach($useablewords as $word)
+    {
+      /* Skip key global, it contains no file data - it is a summary info*/
+      if($key!="global")
+      {
+        /* Get all hits for the word in $matches*/
+        preg_match_all("/".$word."/i",$arr[$key]['content'], $matches,PREG_OFFSET_CAPTURE);
+
+        /* Filter in Tag results*/
+        if(count($matches[0])){
+          foreach($matches[0] as $num=>$hit){
+            if(is_in_tag($arr[$key]['content'],$hit[1]))  {
+              unset($matches[0][$num]);    
+            }    
+          }
+        }
+
+        /* Count matches */
+        $overallhits=$overallhits + count($matches[0]);    
+
+        /* Save collected data */
+        $result[$key]['hits'][$word]    = count($matches[0]); 
+        $result[$key]['hits']['overall']= $overallhits;  
+
+        /* Save max hits for page */
+        if($overallhits > $result['global']['maxhit']){
+          $result['global']['maxhit']=$overallhits;  
+        }
+
+        /* Add results for word to return value*/
+        $result[$key]['match'][$word]=array();
+        $result[$key]['match'][$word]=$matches[0];
+      }
+    }
+  }
+
+  /* Save result in Session, so we can mark words later, or go back to search, without searching again*/
+  $_SESSION['lastresults'] = $result;
+  return($result);
+}
+
+/* Detect 10 Best result entries, sort and call createResultEntry to create HTML output for  complete list */
+function searchlist($arr,$res,$maxresults)
+{
+  $global = $res['global'];
+  $topten = array();        // To detect 10 best solutions
+  $ret    = "";             // return value
+  unset($res['global']);
+
+  /* Detect 10 best Sites */
+  foreach($res as $key=>$val){
+
+    /* Skip results with no hits */
+    if($val['hits']['overall']>0){
+      $topten[$key] = $val['hits']['overall']; 
+    }
+  }
+
+  /* Sort by hit position in content, to easier mark words */
+  asort($topten);
+  $topten = array_reverse($topten);
+  $topten = (array_slice($topten,0,$maxresults));
+
+  /* We have a result, an array with all content, an array with hits and position and we have the 10 best hits */
+  /* Foreach */  
+  foreach($topten as $name => $hits)  {
+    $ret.= createResultEntry($arr[$name],$res[$name],$name,$global['maxhit']);    
+  }
+
+  /* appending footer message for resultlist */
+  $ret.= "<br> ".count($topten)." - "._("Results for your search with the keyword")." <b>".htmlentities($_SESSION['search_string'])."</b>"._(" interpreted as ")."<b>".$_SESSION['parsed_search_keyword']."</b>";
+
+  return($ret);
+}
+
+/* This function marks a string with the given search result for this string*/
+function markup_page($arr,$res)
+{
+global $pre_mark,$suf_mark;
+  $ret    = "";             // return value
+  $repl   = array();
+  $posadd = 0;
+
+  foreach($res['match'] as $word => $matches)   {
+    foreach($matches as $matchnr=>$match)   {
+      $repl[$match[1]]=$match[0];
+    }
+  }
+
+  ksort($repl);
+
+  foreach($repl as $position=>$word)  {
+    $pos1 = strlen($arr);
+    $arr= markword($arr,($position+$posadd),$word,$pre_mark,$suf_mark);
+    $pos2 = strlen($arr);
+    $posadd =$posadd + ($pos2 - $pos1);
+  }
+  return($arr); 
+}
+
+/* This function marks a single word with the specified prefix and suffix */
+function markword($string,$position,$word,$prefix,$suffix)
+{
+  $wordlength   = strlen($word);
+  $wholelength  = strlen($string); 
+
+  $first = substr($string,0,$position);
+  $last  = substr($string,($position+$wordlength),$wholelength);  
+
+  return($first.$prefix.$word.$suffix.$last);
+} 
+
+
+/* Creates HTML output for a single search result entry */
+function createResultEntry($entry,$res,$name,$max)
+{
+  $percentage = (int)(($res['hits']['overall'] / $max) * 100) ;
+
+  $str =  "<b><a href=\"?pg=".$name."&mark=1\">".$percentage."% "._("hit rate in following file ").$name."</a></b><br>" ;
+  $str.=  substr(strip_tags($entry['content']),0,200);
+  $str.=  "<hr>";
+
+  return($str);
+}
+
+/*Simple function to detect if we prepare to change a tag or visible text */
+function is_in_tag($string,$pos)
+{
+  $pos1 = strpos($string,"<",$pos);
+  $pos2 = strpos($string,">",$pos);
+
+  if ($pos1 > $pos2)  {
+    return(true);
+  }else{
+    return(false);
+  }
+}
+
+// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
+?>