[1] | 1 | <?php |
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| 2 | /** |
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[362] | 3 | * The Strangecode Codebase - a general application development framework for PHP |
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| 4 | * For details visit the project site: <http://trac.strangecode.com/codebase/> |
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[396] | 5 | * Copyright 2001-2012 Strangecode, LLC |
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[503] | 6 | * |
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[362] | 7 | * This file is part of The Strangecode Codebase. |
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| 8 | * |
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| 9 | * The Strangecode Codebase is free software: you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU General Public License as published by the |
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| 11 | * Free Software Foundation, either version 3 of the License, or (at your option) |
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| 12 | * any later version. |
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[503] | 13 | * |
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[362] | 14 | * The Strangecode Codebase is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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| 17 | * details. |
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[503] | 18 | * |
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[362] | 19 | * You should have received a copy of the GNU General Public License along with |
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| 20 | * The Strangecode Codebase. If not, see <http://www.gnu.org/licenses/>. |
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| 21 | */ |
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| 22 | |
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| 23 | /** |
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[1] | 24 | * SpellCheck.inc.php |
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| 25 | * |
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| 26 | * Interface to PHP's pspell functions. |
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| 27 | * |
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| 28 | * @author Quinn Comendant <quinn@strangecode.com> |
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[15] | 29 | * @version 1.1 |
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[1] | 30 | */ |
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[42] | 31 | |
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[1] | 32 | /* Implementation example: |
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| 33 | -------------------------------------------------------------------------------- |
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[15] | 34 | include_once dirname(__FILE__) . '/_config.inc.php'; |
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[1] | 35 | include 'codebase/lib/SpellCheck.inc.php'; |
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| 36 | |
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[15] | 37 | // Instantiate with parameters. In this example we'll set the language and the path to the personal wordlist file. |
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| 38 | $spell = new SpellCheck(array( |
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[42] | 39 | 'language' => 'en', |
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[15] | 40 | 'personal_wordlist' => '/tmp/my_custom_dict' |
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| 41 | )); |
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[1] | 42 | |
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[15] | 43 | // Just for the heck of it add a new word to persistent personal wordlist file. |
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| 44 | $spell->add('mealworm'); |
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| 45 | |
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[1] | 46 | $text_to_check = 'donky rinds taste like mealworm paste'; |
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| 47 | |
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| 48 | if (!$spell->checkString($text_to_check)) { |
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| 49 | $suggestions = $spell->getStringSuggestions($text_to_check); |
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[15] | 50 | echo 'Spelling errors! Here are suggested alternatives:'; |
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[1] | 51 | print_r($suggestions); |
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| 52 | } else { |
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| 53 | echo 'No spelling errors'; |
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| 54 | } |
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| 55 | |
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| 56 | // Save added words to persistent custom wordlist file. |
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| 57 | $spell->save(); |
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| 58 | -------------------------------------------------------------------------------- |
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| 59 | */ |
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| 60 | |
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[502] | 61 | class SpellCheck |
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| 62 | { |
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[1] | 63 | |
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[484] | 64 | protected $_params = array( |
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[15] | 65 | 'language' => 'en', |
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| 66 | 'personal_wordlist' => '', // Text file to save custom words to. |
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| 67 | 'skip_length' => 3, // Words with this many chars or less will not be checked. |
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[1] | 68 | 'mode' => PSPELL_NORMAL, // PSPELL_FAST, PSPELL_NORMAL, or PSPELL_BAD_SPELLERS. |
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| 69 | 'highlight_start' => '<strong style="color:red;">', |
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| 70 | 'highlight_end' => '</strong>', |
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| 71 | ); |
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[42] | 72 | |
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[484] | 73 | protected $_pspell_cfg_handle; |
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| 74 | protected $_pspell_handle; |
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| 75 | protected $_use_personal_wordlist = false; |
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| 76 | protected $_errors = array(); |
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[42] | 77 | |
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[1] | 78 | /** |
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| 79 | * Constructor. |
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[42] | 80 | * |
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[15] | 81 | * @param array $params Array of parameters (key => val pairs). |
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[1] | 82 | */ |
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[468] | 83 | public function __construct($params) |
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[1] | 84 | { |
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[479] | 85 | $app =& App::getInstance(); |
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[136] | 86 | |
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[275] | 87 | if (!extension_loaded('pspell')) { |
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| 88 | trigger_error('Pspell module not installed', E_USER_ERROR); |
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| 89 | } |
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| 90 | |
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[42] | 91 | if (!is_array($params) || empty($params)) { |
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| 92 | trigger_error('SpellCheck parameters not set properly', E_USER_ERROR); |
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| 93 | } |
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[1] | 94 | |
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[42] | 95 | $this->setParam($params); |
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[1] | 96 | |
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[15] | 97 | $this->_pspell_cfg_handle = pspell_config_create($this->getParam('language')); |
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| 98 | |
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| 99 | pspell_config_ignore($this->_pspell_cfg_handle, $this->getParam('skip_length')); |
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| 100 | pspell_config_mode($this->_pspell_cfg_handle, $this->getParam('mode')); |
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| 101 | |
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| 102 | if ('' != $this->getParam('personal_wordlist')) { |
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| 103 | if (!is_writable(dirname($this->getParam('personal_wordlist'))) || !is_writable($this->getParam('personal_wordlist'))) { |
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[136] | 104 | $app->logMsg(sprintf('Personal wordlist file not writable: %s', $this->getParam('personal_wordlist')), LOG_WARNING, __FILE__, __LINE__); |
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[1] | 105 | } else { |
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[15] | 106 | pspell_config_personal($this->_pspell_cfg_handle, $this->getParam('personal_wordlist')); |
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[1] | 107 | $this->_use_personal_wordlist = true; |
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[136] | 108 | $app->logMsg(sprintf('Using personal wordlist: %s', $this->getParam('personal_wordlist')), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | $this->_pspell_handle = pspell_new_config($this->_pspell_cfg_handle); |
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| 113 | } |
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| 114 | |
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| 115 | /** |
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| 116 | * Set (or overwrite existing) parameters by passing an array of new parameters. |
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| 117 | * |
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| 118 | * @access public |
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| 119 | * @param array $params Array of parameters (key => val pairs). |
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| 120 | */ |
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[468] | 121 | public function setParam($params) |
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[1] | 122 | { |
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[479] | 123 | $app =& App::getInstance(); |
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[136] | 124 | |
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[1] | 125 | if (isset($params) && is_array($params)) { |
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| 126 | // Merge new parameters with old overriding only those passed. |
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| 127 | $this->_params = array_merge($this->_params, $params); |
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| 128 | } else { |
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[136] | 129 | $app->logMsg(sprintf('Parameters are not an array: %s', $params), LOG_ERR, __FILE__, __LINE__); |
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[1] | 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | /** |
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| 134 | * Return the value of a parameter, if it exists. |
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| 135 | * |
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| 136 | * @access public |
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| 137 | * @param string $param Which parameter to return. |
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| 138 | * @return mixed Configured parameter value. |
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| 139 | */ |
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[468] | 140 | public function getParam($param) |
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[1] | 141 | { |
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[479] | 142 | $app =& App::getInstance(); |
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[503] | 143 | |
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[478] | 144 | if (array_key_exists($param, $this->_params)) { |
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[1] | 145 | return $this->_params[$param]; |
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| 146 | } else { |
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[146] | 147 | $app->logMsg(sprintf('Parameter is not set: %s', $param), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 148 | return null; |
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| 149 | } |
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| 150 | } |
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[42] | 151 | |
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[1] | 152 | /** |
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| 153 | * Check whether any errors have been triggered. |
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| 154 | * |
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| 155 | * @return bool True if any errors were found, false otherwise. |
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| 156 | */ |
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[468] | 157 | public function anyErrors() |
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[1] | 158 | { |
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| 159 | return (sizeof($this->_errors) > 0); |
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| 160 | } |
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| 161 | |
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| 162 | /** |
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| 163 | * Reset the error list. |
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| 164 | */ |
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[468] | 165 | public function resetErrorList() |
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[1] | 166 | { |
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| 167 | $this->_errors = array(); |
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| 168 | } |
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[42] | 169 | |
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[1] | 170 | /** |
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| 171 | * Check one word. |
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| 172 | * |
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| 173 | * @access public |
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| 174 | * @param string $word |
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| 175 | * @return bool True if word is correct. |
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| 176 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 177 | * @version 1.0 |
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| 178 | * @since 09 Jun 2005 18:23:51 |
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| 179 | */ |
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[468] | 180 | public function check($word) |
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[1] | 181 | { |
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| 182 | if (pspell_check($this->_pspell_handle, $word)) { |
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| 183 | return true; |
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| 184 | } else { |
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| 185 | $this->_errors[] = $word; |
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| 186 | return false; |
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| 187 | } |
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| 188 | } |
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[42] | 189 | |
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[1] | 190 | /** |
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| 191 | * Suggest the correct spelling for one misspelled word. |
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| 192 | * |
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| 193 | * @access public |
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| 194 | * @param string $word |
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| 195 | * @return array Word suggestions. |
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| 196 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 197 | * @version 1.0 |
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| 198 | * @since 09 Jun 2005 18:23:51 |
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| 199 | */ |
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[468] | 200 | public function suggest($word) |
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[1] | 201 | { |
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| 202 | return pspell_suggest($this->_pspell_handle, $word); |
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| 203 | } |
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[42] | 204 | |
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[1] | 205 | /** |
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| 206 | * Add a word to a personal list. |
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| 207 | * |
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| 208 | * @access public |
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| 209 | * @param string $word |
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| 210 | * @return array Word suggestions. |
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| 211 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 212 | * @version 1.0 |
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| 213 | * @since 09 Jun 2005 18:23:51 |
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| 214 | */ |
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[468] | 215 | public function add($word) |
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[1] | 216 | { |
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[479] | 217 | $app =& App::getInstance(); |
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[136] | 218 | |
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[1] | 219 | if ($this->_use_personal_wordlist) { |
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[15] | 220 | if (pspell_add_to_personal($this->_pspell_handle, $word)) { |
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[136] | 221 | $app->logMsg(sprintf('Added "%s" to personal wordlist: %s', $word, $this->getParam('personal_wordlist')), LOG_DEBUG, __FILE__, __LINE__); |
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[42] | 222 | return true; |
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| 223 | } else { |
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[136] | 224 | $app->logMsg(sprintf('Failed adding "%s" to personal wordlist: %s', $word, $this->getParam('personal_wordlist')), LOG_WARNING, __FILE__, __LINE__); |
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[42] | 225 | return false; |
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| 226 | } |
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[1] | 227 | } |
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| 228 | } |
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[42] | 229 | |
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[1] | 230 | /** |
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| 231 | * Save personal list to file. |
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| 232 | * |
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| 233 | * @access public |
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| 234 | * @param string $word |
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| 235 | * @return array Word suggestions. |
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| 236 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 237 | * @version 1.0 |
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| 238 | * @since 09 Jun 2005 18:23:51 |
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| 239 | */ |
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[468] | 240 | public function save() |
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[1] | 241 | { |
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[479] | 242 | $app =& App::getInstance(); |
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[136] | 243 | |
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[1] | 244 | if ($this->_use_personal_wordlist) { |
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| 245 | if (pspell_save_wordlist($this->_pspell_handle)) { |
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[136] | 246 | $app->logMsg(sprintf('Saved personal wordlist: %s', $this->getParam('personal_wordlist')), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 247 | return true; |
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| 248 | } else { |
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[136] | 249 | $app->logMsg(sprintf('Failed saving personal wordlist: %s', $this->getParam('personal_wordlist')), LOG_ERR, __FILE__, __LINE__); |
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[1] | 250 | return false; |
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| 251 | } |
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| 252 | } |
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| 253 | } |
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[42] | 254 | |
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[1] | 255 | /** |
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[334] | 256 | * Returns an array of suggested words for each misspelled word in the given text. |
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[1] | 257 | * The first word of the returned array is the (possibly) misspelled word. |
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| 258 | * |
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| 259 | * @access public |
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| 260 | * @param string $string String to get suggestions for. |
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| 261 | * @return mixed Array of suggested words or false if none. |
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| 262 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 263 | * @version 1.0 |
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| 264 | * @since 09 Jun 2005 21:29:49 |
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| 265 | */ |
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[468] | 266 | public function getStringSuggestions($string) |
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[1] | 267 | { |
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| 268 | $corrections = array(); |
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[503] | 269 | // Split words on punctuation except apostrophes (this regex is used in several places in this class). |
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[425] | 270 | // http://stackoverflow.com/questions/790596/split-a-text-into-single-words |
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[503] | 271 | $words = preg_split("/((?:^\p{P}+)|(?:\p{P}*\s+\p{P}*)|[\p{Pd}ââ-]+|(?:\p{P}+$))/", $string, -1, PREG_SPLIT_DELIM_CAPTURE); |
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[1] | 272 | if (is_array($words) && !empty($words)) { |
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[503] | 273 | // Remove non-word elements. |
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| 274 | $words = preg_grep('/\w+/', $words); |
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| 275 | $words = array_map('strip_tags', $words); |
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[1] | 276 | foreach ($words as $i => $word) { |
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| 277 | if (!$this->check($word)) { |
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| 278 | $corrections[$i] = $this->suggest($word); |
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| 279 | // Keep the original spelling as one of the suggestions. |
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| 280 | array_unshift($corrections[$i], $word); |
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| 281 | array_unique($corrections[$i]); |
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| 282 | } |
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| 283 | } |
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| 284 | } |
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| 285 | if (is_array($corrections) && !empty($corrections)) { |
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| 286 | return $corrections; |
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| 287 | } else { |
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| 288 | return false; |
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| 289 | } |
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| 290 | } |
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[42] | 291 | |
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[1] | 292 | /** |
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| 293 | * Checks all words in a given string. |
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| 294 | * |
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| 295 | * @access public |
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| 296 | * @param string $string String to check. |
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| 297 | * @return void |
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| 298 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 299 | * @version 1.0 |
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| 300 | * @since 09 Jun 2005 22:11:27 |
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| 301 | */ |
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[468] | 302 | public function checkString($string) |
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[1] | 303 | { |
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| 304 | $errors = array(); |
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[503] | 305 | // Split words on punctuation except apostrophes (this regex is used in several places in this class). |
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| 306 | // http://stackoverflow.com/questions/790596/split-a-text-into-single-words |
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| 307 | $words = preg_split("/((?:^\p{P}+)|(?:\p{P}*\s+\p{P}*)|[\p{Pd}ââ-]+|(?:\p{P}+$))/", $string, -1, PREG_SPLIT_DELIM_CAPTURE); |
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| 308 | if (is_array($words) && !empty($words)) { |
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| 309 | // Remove non-word elements. |
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| 310 | $words = preg_grep('/\w+/', $words); |
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| 311 | $words = array_map('strip_tags', $words); |
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| 312 | foreach ($words as $i => $word) { |
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[1] | 313 | if (!$this->check($word)) { |
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| 314 | $errors[] = $word; |
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| 315 | } |
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| 316 | } |
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| 317 | } |
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| 318 | if (empty($errors)) { |
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| 319 | return true; |
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| 320 | } else { |
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| 321 | $this->_errors = $errors + $this->_errors; |
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| 322 | return false; |
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| 323 | } |
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| 324 | } |
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[42] | 325 | |
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[1] | 326 | /** |
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| 327 | * Returns a given string with misspelled words highlighted. |
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| 328 | * |
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| 329 | * @access public |
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| 330 | * @param string $string Text to highlight. |
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| 331 | * @return string Highlighted text. |
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| 332 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 333 | * @version 1.0 |
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| 334 | * @since 09 Jun 2005 21:29:49 |
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| 335 | */ |
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[468] | 336 | public function getStringHighlighted($string, $show_footnote=false) |
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[1] | 337 | { |
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[503] | 338 | // Split words on punctuation except apostrophes (this regex is used in several places in this class). |
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| 339 | // http://stackoverflow.com/questions/790596/split-a-text-into-single-words |
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| 340 | $words = preg_split("/((?:^\p{P}+)|(?:\p{P}*\s+\p{P}*)|[\p{Pd}ââ-]+|(?:\p{P}+$))/", $string, -1, PREG_SPLIT_DELIM_CAPTURE); |
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[1] | 341 | $cnt = 0; |
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[503] | 342 | if (is_array($words) && !empty($words)) { |
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| 343 | $words = preg_grep('/\w+/', $words); |
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| 344 | $words = array_map('strip_tags', $words); |
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| 345 | foreach ($words as $i => $word) { |
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[1] | 346 | if (!$this->check($word)) { |
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[503] | 347 | $footnote = $show_footnote ? '<sup style="color:#999;">' . ++$cnt . '</sup>' : ''; |
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| 348 | $words[$i] = $this->getParam('highlight_start') . $word . $this->getParam('highlight_end') . $footnote; |
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| 349 | $string = preg_replace(sprintf('/\b%s\b/', preg_quote($word, '/')), $words[$i], $string); |
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[1] | 350 | } |
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| 351 | } |
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| 352 | } |
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[503] | 353 | return $string; |
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[1] | 354 | } |
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[42] | 355 | |
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[1] | 356 | /** |
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[334] | 357 | * Prints the HTML for correcting all misspellings found in the text of one $_FORM element. |
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[1] | 358 | * |
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| 359 | * @access public |
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| 360 | * @param string $form_name Name of the form to check. |
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| 361 | * @return void |
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| 362 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 363 | * @version 1.0 |
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| 364 | * @since 09 Jun 2005 21:29:49 |
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| 365 | */ |
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[468] | 366 | public function printCorrectionForm($form_name) |
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[1] | 367 | { |
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| 368 | ?> |
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[503] | 369 | <input name="<?php echo $form_name ?>" type="hidden" value="<?php echo oTxt(getFormData($form_name)) ?>" /> |
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[1] | 370 | <?php |
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[42] | 371 | |
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[1] | 372 | $form_words = $this->getStringSuggestions(getFormData($form_name)); |
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| 373 | if (is_array($form_words) && !empty($form_words)) { |
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| 374 | ?><ol><?php |
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| 375 | foreach ($form_words as $i => $words) { |
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| 376 | ?> |
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| 377 | <li> |
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[503] | 378 | <label style="color:#999;"><sub style="vertical-align:text-top;"><?php echo $j++; ?></sub></label> |
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| 379 | <select name="spelling_suggestions[<?php echo $form_name ?>][<?php echo $i ?>]" onchange="document.forms[0].elements['spelling_corrections[<?php echo $form_name ?>][<?php echo $i ?>]'].value = this.value;"> |
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[1] | 380 | <?php $original_word = array_shift($words); ?> |
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| 381 | <option value="<?php echo $original_word ?>">(<?php echo $original_word ?>)</option> |
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| 382 | <?php |
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[42] | 383 | |
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[1] | 384 | foreach ($words as $suggestion) { |
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| 385 | ?> |
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| 386 | <option value="<?php echo $suggestion ?>"><?php echo $suggestion ?></option> |
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| 387 | <?php |
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| 388 | } |
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[42] | 389 | |
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[1] | 390 | ?> |
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| 391 | </select> |
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[503] | 392 | <input type="text" name="spelling_corrections[<?php echo $form_name ?>][<?php echo $i ?>]" value="<?php echo oTxt($original_word) ?>" size="20"> |
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[1] | 393 | <?php if ($this->_use_personal_wordlist) { ?> |
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| 394 | <input name="save_to_personal_wordlist[]" type="checkbox" value="<?php echo $i ?>" /><?php echo _("Learn spelling") ?> |
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| 395 | <?php } ?> |
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| 396 | </li> |
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| 397 | <?php |
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| 398 | } |
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| 399 | ?></ol><?php |
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| 400 | } |
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| 401 | } |
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[42] | 402 | |
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[1] | 403 | /** |
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| 404 | * Tests if any form spelling corrections have been submitted. |
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| 405 | * |
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| 406 | * @access public |
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| 407 | * @return bool True if form spelling has been checked. |
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| 408 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 409 | * @version 1.0 |
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| 410 | * @since 09 Jun 2005 23:15:35 |
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| 411 | */ |
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[468] | 412 | public function anyFormCorrections() |
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[1] | 413 | { |
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| 414 | return (false !== getFormData('spelling_suggestions', false)) || (false !== getFormData('spelling_corrections', false)); |
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| 415 | } |
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[42] | 416 | |
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[1] | 417 | /** |
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| 418 | * Replace the misspelled words in the text of a specified form with the corrections. |
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| 419 | * |
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| 420 | * @access public |
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| 421 | * @param string $form_name Name of form to apply corrections to. |
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| 422 | * @return string Corrected form text. |
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| 423 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 424 | * @version 1.0 |
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| 425 | * @since 09 Jun 2005 23:18:51 |
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| 426 | */ |
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[468] | 427 | public function applyFormCorrections($form_name) |
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[1] | 428 | { |
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[503] | 429 | // Split words on punctuation except apostrophes (this regex is used in several places in this class). |
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| 430 | // http://stackoverflow.com/questions/790596/split-a-text-into-single-words |
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| 431 | $form_words = preg_split("/((?:^\p{P}+)|(?:\p{P}*\s+\p{P}*)|[\p{Pd}ââ-]+|(?:\p{P}+$))/", getFormData($form_name), -1, PREG_SPLIT_DELIM_CAPTURE); |
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[1] | 432 | $suggestions = getFormData('spelling_suggestions'); |
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| 433 | $corrections = getFormData('spelling_corrections'); |
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| 434 | |
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| 435 | $form_words = array_diff($corrections[$form_name], array('')) + $suggestions[$form_name] + $form_words; |
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| 436 | ksort($form_words); |
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| 437 | |
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| 438 | if ($this->_use_personal_wordlist) { |
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| 439 | $save_to_personal_wordlist = getFormData('save_to_personal_wordlist'); |
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| 440 | if (is_array($save_to_personal_wordlist) && !empty($save_to_personal_wordlist)) { |
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| 441 | foreach ($save_to_personal_wordlist as $cust) { |
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| 442 | $this->add($form_words[$cust]); |
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| 443 | } |
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| 444 | } |
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| 445 | $this->save(); |
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| 446 | } |
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| 447 | |
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| 448 | if (is_array($form_words) && !empty($form_words)) { |
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| 449 | return join('', $form_words); |
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| 450 | } else { |
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| 451 | return getFormData($form_name); |
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| 452 | } |
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| 453 | } |
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| 454 | |
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| 455 | } // End. |
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| 456 | |
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