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   1  <?php
   2  /**
   3   * $Id: editor_plugin_src.js 201 2007-02-12 15:56:56Z spocke $
   4   *
   5   * @package MCManager.includes
   6   * @author Moxiecode
   7   * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
   8   */
   9  
  10  class GoogleSpell extends SpellChecker {
  11      /**
  12       * Spellchecks an array of words.
  13       *
  14       * @param {String} $lang Language code like sv or en.
  15       * @param {Array} $words Array of words to spellcheck.
  16       * @return {Array} Array of misspelled words.
  17       */
  18      function &checkWords($lang, $words) {
  19          $wordstr = implode(' ', $words);
  20          $matches = $this->_getMatches($lang, $wordstr);
  21          $words = array();
  22  
  23          for ($i=0; $i<count($matches); $i++)
  24              $words[] = $this->_unhtmlentities(mb_substr($wordstr, $matches[$i][1], $matches[$i][2], "UTF-8"));
  25  
  26          return $words;
  27      }
  28  
  29      /**
  30       * Returns suggestions of for a specific word.
  31       *
  32       * @param {String} $lang Language code like sv or en.
  33       * @param {String} $word Specific word to get suggestions for.
  34       * @return {Array} Array of suggestions for the specified word.
  35       */
  36      function &getSuggestions($lang, $word) {
  37          $sug = array();
  38          $osug = array();
  39          $matches = $this->_getMatches($lang, $word);
  40  
  41          if (count($matches) > 0)
  42              $sug = explode("\t", utf8_encode($this->_unhtmlentities($matches[0][4])));
  43  
  44          // Remove empty
  45          foreach ($sug as $item) {
  46              if ($item)
  47                  $osug[] = $item;
  48          }
  49  
  50          return $osug;
  51      }
  52  
  53      protected function &_getMatches($lang, $str) {
  54          $lang = preg_replace('/[^a-z\-]/i', '', $lang);
  55          $str = preg_replace('/[\x00-\x1F\x7F]/', '', $str);
  56          $server = "www.google.com";
  57          $port = 443;
  58          $path = "/tbproxy/spell?lang=" . $lang . "&hl=en";
  59          $host = "www.google.com";
  60          $url = "https://" . $server;
  61  
  62          // Setup XML request
  63          $xml = '<?xml version="1.0" encoding="utf-8" ?><spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1"><text>' . $str . '</text></spellrequest>';
  64  
  65          $header  = "POST ".$path." HTTP/1.0 \r\n";
  66          $header .= "MIME-Version: 1.0 \r\n";
  67          $header .= "Content-type: application/PTI26 \r\n";
  68          $header .= "Content-length: ".strlen($xml)." \r\n";
  69          $header .= "Content-transfer-encoding: text \r\n";
  70          $header .= "Request-number: 1 \r\n";
  71          $header .= "Document-type: Request \r\n";
  72          $header .= "Interface-Version: Test 1.4 \r\n";
  73          $header .= "Connection: close \r\n\r\n";
  74          $header .= $xml;
  75  
  76          // Use curl if it exists
  77          if (function_exists('curl_init')) {
  78              // Use curl
  79              $ch = curl_init();
  80              curl_setopt($ch, CURLOPT_URL,$url);
  81              curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  82              curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $header);
  83              curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  84              $xml = curl_exec($ch);
  85              curl_close($ch);
  86          } else {
  87              // Use raw sockets
  88              $fp = fsockopen("ssl://" . $server, $port, $errno, $errstr, 30);
  89              if ($fp) {
  90                  // Send request
  91                  fwrite($fp, $header);
  92  
  93                  // Read response
  94                  $xml = "";
  95                  while (!feof($fp))
  96                      $xml .= fgets($fp, 128);
  97  
  98                  fclose($fp);
  99              } else
 100                  echo "Could not open SSL connection to google.";
 101          }
 102  
 103          // Grab and parse content
 104          $matches = array();
 105          preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $xml, $matches, PREG_SET_ORDER);
 106  
 107          return $matches;
 108      }
 109  
 110  	protected function _unhtmlentities($string) {
 111          $string = preg_replace('~&#x([0-9a-f]+);~ei', 'chr(hexdec("\\1"))', $string);
 112          $string = preg_replace('~&#([0-9]+);~e', 'chr(\\1)', $string);
 113  
 114          $trans_tbl = get_html_translation_table(HTML_ENTITIES);
 115          $trans_tbl = array_flip($trans_tbl);
 116  
 117          return strtr($string, $trans_tbl);
 118      }
 119  }
 120  
 121  // Patch in multibyte support
 122  if (!function_exists('mb_substr')) {
 123  	function mb_substr($str, $start, $len = '', $encoding="UTF-8"){
 124          $limit = strlen($str);
 125  
 126          for ($s = 0; $start > 0;--$start) {// found the real start
 127              if ($s >= $limit)
 128                  break;
 129  
 130              if ($str[$s] <= "\x7F")
 131                  ++$s;
 132              else {
 133                  ++$s; // skip length
 134  
 135                  while ($str[$s] >= "\x80" && $str[$s] <= "\xBF")
 136                      ++$s;
 137              }
 138          }
 139  
 140          if ($len == '')
 141              return substr($str, $s);
 142          else
 143              for ($e = $s; $len > 0; --$len) {//found the real end
 144                  if ($e >= $limit)
 145                      break;
 146  
 147                  if ($str[$e] <= "\x7F")
 148                      ++$e;
 149                  else {
 150                      ++$e;//skip length
 151  
 152                      while ($str[$e] >= "\x80" && $str[$e] <= "\xBF" && $e < $limit)
 153                          ++$e;
 154                  }
 155              }
 156  
 157          return substr($str, $s, $e - $s);
 158      }
 159  }
 160  
 161  ?>