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<?php |
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/** |
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* This file is part of PHP-Typography. |
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* |
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* Copyright 2017 Peter Putzer. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* *** |
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* |
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* @package mundschenk-at/php-typography |
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* @license http://www.gnu.org/licenses/gpl-2.0.html |
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*/ |
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namespace PHP_Typography\Hyphenator; |
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use PHP_Typography\Hyphenator; |
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/** |
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* Per-language cache of Hyphenator instances. |
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* |
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* @since 5.2.0 |
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* |
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* @author Peter Putzer <[email protected]> |
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*/ |
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class Cache { |
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/** |
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* An array of Hyphenator instances indexed by language. |
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* |
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* @var array |
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*/ |
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protected $cache = []; |
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/** |
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* A flag that indicated that the cache has changed since creation/deserialization. |
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* |
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* @var bool |
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*/ |
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protected $changed = false; |
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/** |
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* Ignore the "changed" flag during serialization. |
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* |
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* @return array |
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*/ |
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public function __sleep() { |
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return [ |
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'cache', |
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]; |
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} |
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/** |
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* Caches a Hyphenator instance. |
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* |
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* @param string $lang A language code. |
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* @param Hyphenator $hyphenator The object to cache. |
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*/ |
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public function set_hyphenator( $lang, Hyphenator $hyphenator ) { |
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$this->cache[ $lang ] = $hyphenator; |
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$this->changed = true; |
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} |
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/** |
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* Retrieves a cached Hyphenator. |
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* |
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* @param string $lang A language code. |
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* |
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* @return Hyphenator|null |
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*/ |
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public function get_hyphenator( $lang ) { |
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if ( isset( $this->cache[ $lang ] ) ) { |
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return $this->cache[ $lang ]; |
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} |
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return null; |
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} |
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/** |
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* Determines whether the cache (not its content) has been modified since |
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* instance creatino (or deserialization). |
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* |
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* @return bool |
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*/ |
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public function has_changed() { |
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return $this->changed; |
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} |
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} |
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