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/
http/
mail/
program/
lib/
Roundcube/
- drwxr-xr-x
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Viewing file:  rcube_spellcheck_enchant.php (5.26 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) 2011-2013, Kolab Systems AG |
| Copyright (C) 20011-2013, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Spellchecking backend implementation to work with Enchant |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+-----------------------------------------------------------------------+
*/
/**
* Spellchecking backend implementation to work with Pspell
*
* @package Framework
* @subpackage Utils
*/
class rcube_spellcheck_enchant extends rcube_spellcheck_engine
{
private $enchant_broker;
private $enchant_dictionary;
private $matches = array();
/**
* Return a list of languages supported by this backend
*
* @see rcube_spellcheck_engine::languages()
*/
function languages()
{
$this->init();
$langs = array();
$dicts = enchant_broker_list_dicts($this->enchant_broker);
foreach ($dicts as $dict) {
$langs[] = preg_replace('/-.*$/', '', $dict['lang_tag']);
}
return array_unique($langs);
}
/**
* Initializes Enchant dictionary
*/
private function init()
{
if (!$this->enchant_broker) {
if (!extension_loaded('enchant')) {
$this->error = "Enchant extension not available";
return;
}
$this->enchant_broker = enchant_broker_init();
}
if (!enchant_broker_dict_exists($this->enchant_broker, $this->lang)) {
$this->error = "Unable to load dictionary for selected language using Enchant";
return;
}
$this->enchant_dictionary = enchant_broker_request_dict($this->enchant_broker, $this->lang);
}
/**
* Set content and check spelling
*
* @see rcube_spellcheck_engine::check()
*/
function check($text)
{
$this->init();
if (!$this->enchant_dictionary) {
return array();
}
// tokenize
$text = preg_split($this->separator, $text, NULL, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE);
$diff = 0;
$matches = array();
foreach ($text as $w) {
$word = trim($w[0]);
$pos = $w[1] - $diff;
$len = mb_strlen($word);
// skip exceptions
if ($this->dictionary->is_exception($word)) {
}
else if (!enchant_dict_check($this->enchant_dictionary, $word)) {
$suggestions = enchant_dict_suggest($this->enchant_dictionary, $word);
if (sizeof($suggestions) > self::MAX_SUGGESTIONS) {
$suggestions = array_slice($suggestions, 0, self::MAX_SUGGESTIONS);
}
$matches[] = array($word, $pos, $len, null, $suggestions);
}
$diff += (strlen($word) - $len);
}
$this->matches = $matches;
return $matches;
}
/**
* Returns suggestions for the specified word
*
* @see rcube_spellcheck_engine::get_words()
*/
function get_suggestions($word)
{
$this->init();
if (!$this->enchant_dictionary) {
return array();
}
$suggestions = enchant_dict_suggest($this->enchant_dictionary, $word);
if (sizeof($suggestions) > self::MAX_SUGGESTIONS)
$suggestions = array_slice($suggestions, 0, self::MAX_SUGGESTIONS);
return is_array($suggestions) ? $suggestions : array();
}
/**
* Returns misspelled words
*
* @see rcube_spellcheck_engine::get_suggestions()
*/
function get_words($text = null)
{
$result = array();
if ($text) {
// init spellchecker
$this->init();
if (!$this->enchant_dictionary) {
return array();
}
// With Enchant we don't need to get suggestions to return misspelled words
$text = preg_split($this->separator, $text, NULL, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE);
foreach ($text as $w) {
$word = trim($w[0]);
// skip exceptions
if ($this->dictionary->is_exception($word)) {
continue;
}
if (!enchant_dict_check($this->enchant_dictionary, $word)) {
$result[] = $word;
}
}
return $result;
}
foreach ($this->matches as $m) {
$result[] = $m[0];
}
return $result;
}
}
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