Documentation/lily_index_search.php

   1 <?php
   2   $languages = array ("en"=>"en", "cs"=>"cs", "de"=>"de", "nl"=>"nl", "ja"=>"ja", "hu"=>"hu", "fr"=>"fr", "zh"=>"zh", ""=>"en");
   3   $manuals = array ("essay"=>"essay", "extending"=>"extending", "learning"=>"learning", "notation"=>"notation", "usage"=>"usage");
   4
   5   $lang = $languages[$_REQUEST['lang']];
   6   $man = $manuals[$_REQUEST['manual']];
   7   if (!$man) {
   8     echo "<p>Invalid manual " . $_REQUEST['lang'] . "</p>";
   9     exit ();
  10   }
  11   $bigpage = ($_REQUEST['bigpage'] == "1");
  12   $search_string = $_REQUEST['q'];
  13   // If enter was pressed, browsers will use the returned HTML for a complete page!
  14   $form_submitted = $_REQUEST['form_submitted'];
  15
  16
  17   $relpath = "";
  18   if ($form_submitted) {
  19     if (! $bigpage) {
  20       $relpath = "$man/";
  21     }
  22     echo "<html><body>\n";
  23   }
  24
  25   $filename = "./$man";
  26   if ($bigpage) { $filename .= "-big-page"; }
  27   $filename .= ".$lang.idx";
  28
  29   $found = 0;
  30   $file = @fopen($filename, "r");
  31   if ($file ) {
  32     while ( (($line=fgets($file)) !== false) ) {
  33       $line = rtrim($line);
  34       $entries = split ("\t", $line);
  35       if (stripos ($entries[0], $search_string) !== false) {
  36         if ($found == 0) {
  37           echo "<p><b>Search results for &quot;".htmlentities($search_string, ENT_QUOTES)."&quot;:</b><br>\n";
  38           echo "<table id=\"search_result_table\">\n";
  39         } else if ($found > 50) {
  40           echo "<tr><td colspan=2>Too many hits, displaying only 50 results</td></tr>\n";
  41           break;
  42         }
  43         // format the entry and print it out
  44         echo "<tr><td><a href=\"$relpath$entries[2]\">$entries[1]</a></td>\n";
  45         echo "    <td><a href=\"$relpath$entries[4]\">$entries[3]</a></td></tr>\n";
  46         $found++;
  47       }
  48     }
  49     if ($found > 0) {
  50       echo "</table>\n";
  51     } else {
  52       echo "No results found in the index.\n";
  53     }
  54     echo "</p>";
  55     fclose($file);
  56   } else {
  57     echo "<p>Unable to open search index $filename</p>";
  58   }
  59   if ($form_submitted) {
  60     echo "</body></html>\n";
  61   }
  62 ?>