diff options
Diffstat (limited to 'program/lib/Roundcube')
| -rw-r--r-- | program/lib/Roundcube/rcube_spellchecker.php | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_spellchecker.php b/program/lib/Roundcube/rcube_spellchecker.php index 166de9bfb..df4365223 100644 --- a/program/lib/Roundcube/rcube_spellchecker.php +++ b/program/lib/Roundcube/rcube_spellchecker.php @@ -84,6 +84,9 @@ class rcube_spellchecker if ($this->engine == 'pspell') { $this->matches = $this->_pspell_check($this->content); } + else if ($this->engine == 'enchant') { + $this->matches = $this->_enchant_check($this->content); + } else { $this->matches = $this->_googie_check($this->content); } @@ -115,6 +118,9 @@ class rcube_spellchecker if ($this->engine == 'pspell') { return $this->_pspell_suggestions($word); } + else if ($this->engine == 'enchant') { + return $this->_enchant_suggestions($word); + } return $this->_googie_suggestions($word); } @@ -133,6 +139,9 @@ class rcube_spellchecker if ($this->engine == 'pspell') { return $this->_pspell_words($text, $is_html); } + else if ($this->engine == 'enchant') { + return $this->_enchant_words($text, $is_html); + } return $this->_googie_words($text, $is_html); } @@ -326,6 +335,141 @@ class rcube_spellchecker } + /** + * Checks the text using enchant + * + * @param string $text Text content for spellchecking + */ + private function _enchant_check($text) + { + // init spellchecker + $this->_enchant_init(); + + if (!$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 ($this->is_exception($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); + } + + return $matches; + } + + + /** + * Returns the misspelled words + */ + private function _enchant_words($text = null, $is_html=false) + { + $result = array(); + + if ($text) { + // init spellchecker + $this->_enchant_init(); + + if (!$this->enchant_dictionary) { + return array(); + } + + // With Enchant we don't need to get suggestions to return misspelled words + if ($is_html) { + $text = $this->html2text($text); + } + + $text = preg_split($this->separator, $text, NULL, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE); + + foreach ($text as $w) { + $word = trim($w[0]); + + // skip exceptions + if ($this->is_exception($word)) { + continue; + } + + if (!enchant_dict_check($this->enchant_dictionary, $word)) { + $result[] = $word; + } + } + + return $result; + } + + foreach ($this->matches as $m) { + $result[] = $m[0]; + } + + return $result; + } + + + /** + * Returns suggestions for misspelled word + */ + private function _enchant_suggestions($word) + { + // init spellchecker + $this->_enchant_init(); + + if (!$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) ? $suggestions : array(); + } + + + /** + * Initializes PSpell dictionary + */ + private function _enchant_init() + { + if (!$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, $this->lang); + } + + private function _googie_check($text) { // spell check uri is configured |