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