160 lines
4.3 KiB
PHP
160 lines
4.3 KiB
PHP
<?php
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/**
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* Copyright 2005-2016 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL). If you
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* did not receive this file, see http://www.horde.org/licenses/lgpl21.
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*
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* @category Horde
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* @copyright 2005-2016 Horde LLC
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* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
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* @package SpellChecker
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*/
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/**
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* A spellcheck driver for the aspell/ispell binary.
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*
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Michael Slusarz <slusarz@horde.org>
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* @category Horde
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* @copyright 2005-2016 Horde LLC
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* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
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* @package SpellChecker
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*/
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class Horde_SpellChecker_Aspell extends Horde_SpellChecker
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{
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/**
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* @param array $args Additional arguments:
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* - path: (string) Path to the aspell binary.
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*/
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public function __construct(array $args = array())
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{
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parent::__construct(array_merge(array(
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'path' => 'aspell'
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), $args));
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}
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/**
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*/
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public function spellCheck($text)
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{
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$ret = array(
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'bad' => array(),
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'suggestions' => array()
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);
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if ($this->_params['html']) {
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$input = strtr($text, "\n", ' ');
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} else {
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$words = $this->_getWords($text);
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if (!count($words)) {
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return $ret;
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}
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$input = implode(' ', $words);
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}
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// Descriptor array.
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$descspec = array(
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0 => array('pipe', 'r'),
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1 => array('pipe', 'w'),
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2 => array('pipe', 'w')
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);
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$process = proc_open($this->_cmd(), $descspec, $pipes);
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if (!is_resource($process)) {
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throw new Horde_SpellChecker_Exception('Spellcheck failed. Command line: ' . $this->_cmd());
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}
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// The '^' character tells aspell to spell check the entire line.
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fwrite($pipes[0], '^' . $input);
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fclose($pipes[0]);
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// Read stdout.
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$out = '';
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while (!feof($pipes[1])) {
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$out .= fread($pipes[1], 8192);
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}
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fclose($pipes[1]);
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// Read stderr.
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$err = '';
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while (!feof($pipes[2])) {
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$err .= fread($pipes[2], 8192);
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}
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fclose($pipes[2]);
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// We can't rely on the return value of proc_close:
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// http://bugs.php.net/bug.php?id=29123
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proc_close($process);
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if (strlen($out) === 0) {
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throw new Horde_SpellChecker_Exception('Spellcheck failed. Command line: ' . $this->_cmd());
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}
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// Parse output.
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foreach (array_map('trim', explode("\n", $out)) as $line) {
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if (!strlen($line)) {
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continue;
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}
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@list(,$word,) = explode(' ', $line, 3);
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if ($this->_inLocalDictionary($word) ||
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in_array($word, $ret['bad'])) {
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continue;
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}
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switch ($line[0]) {
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case '#':
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// Misspelling with no suggestions.
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$ret['bad'][] = $word;
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$ret['suggestions'][] = array();
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break;
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case '&':
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// Suggestions.
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$ret['bad'][] = $word;
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$ret['suggestions'][] = array_slice(explode(', ', substr($line, strpos($line, ':') + 2)), 0, $this->_params['maxSuggestions']);
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break;
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}
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}
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return $ret;
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}
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/**
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* Create the command line string.
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*
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* @return string The command to run.
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*/
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protected function _cmd()
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{
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$args = array('-a', '--encoding=UTF-8');
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switch ($this->_params['suggestMode']) {
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case self::SUGGEST_FAST:
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$args[] = '--sug-mode=fast';
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break;
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case self::SUGGEST_SLOW:
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$args[] = '--sug-mode=bad-spellers';
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break;
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default:
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$args[] = '--sug-mode=normal';
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}
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$args[] = '--lang=' . escapeshellarg($this->_params['locale']);
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$args[] = '--ignore=' . escapeshellarg(max($this->_params['minLength'] - 1, 0));
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if ($this->_params['html']) {
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$args[] = '-H';
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$args[] = '--rem-html-check=alt';
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}
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return escapeshellcmd($this->_params['path']) . ' ' .
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implode(' ', $args);
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}
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}
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