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<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/spell_pspell.inc |
| |
| This file is part of the RoundCube Webmail client |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Use the Pspell extension to check spelling, returns results |
| compatible with spell_googie.inc. |
| |
+-----------------------------------------------------------------------+
| Author: Kris Steinhoff <steinhof@umich.edu> |
+-----------------------------------------------------------------------+
$Id$
*/
if (!extension_loaded('pspell')) {
raise_error(array(
'code' => 500,
'type' => 'php',
'file' => __FILE__,
'message' => "Pspell extension not available"), true, false);
header('HTTP/1.1 404 Not Found');
exit;
}
// max. number of suggestions for one word
define('MAX_SUGGESTIONS', 10);
// read input
$data = file_get_contents('php://input');
// parse data (simplexml_load_string breaks CRLFs)
$left = strpos($data, '<text>');
$right = strrpos($data, '</text>');
$text = substr($data, $left+6, $right-($left+6));
$text = html_entity_decode($text, ENT_QUOTES, RCMAIL_CHARSET);
// tokenize
$words = preg_split('/[ !"#$%&()*+\\,-.\/\n:;<=>?@\[\]^_{|}]+/', $text, NULL, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE );
// init spellchecker
$plink = pspell_new(get_input_value('lang', RCUBE_INPUT_GET), null, null, RCMAIL_CHARSET, PSPELL_FAST);
// send output
$out = '<?xml version="1.0" encoding="'.RCMAIL_CHARSET.'"?><spellresult charschecked="'.rc_strlen($text).'">';
$diff = 0;
foreach ($words as $w) {
$word = trim($w[0]);
$pos = $w[1] - $diff;
$len = rc_strlen($word);
if ($word && $plink && !pspell_check($plink, $word)) {
$suggestions = pspell_suggest($plink, $word);
if (sizeof($suggestions)>10)
$suggestions = array_slice($suggestions, 0, MAX_SUGGESTIONS);
$out .= '<c o="'.$pos.'" l="'.$len.'">';
$out .= implode("\t", $suggestions);
$out .= '</c>';
}
$diff += (strlen($word) - $len);
}
$out .= '</spellresult>';
header("Content-Type: text/xml");
echo $out;
exit;
?>
|
