wp-includes/js/tinymce/plugins/spellchecker/classes/GoogleSpell.php

   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 ?>