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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\Fixes\Token_Fixes; |
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use PHP_Typography\Fixes\Token_Fix; |
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use PHP_Typography\Settings; |
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use PHP_Typography\Text_Parser\Token; |
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use PHP_Typography\U; |
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/** |
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* Wraps hard hypens with zero-width spaces (if enabled). |
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* |
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* @author Peter Putzer <[email protected]> |
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* |
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* @since 5.0.0 |
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*/ |
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class Wrap_Hard_Hyphens_Fix extends Abstract_Token_Fix { |
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/** |
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* An array of "hyphen-like" characters. |
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* |
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* @var array |
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*/ |
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protected $hyphens_array; |
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/** |
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* The regular expression to strip the space from hyphen-like characters at the end of a string. |
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* |
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* @var string |
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*/ |
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protected $remove_ending_space_regex; |
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/** |
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* Creates a new fix instance. |
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* |
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* @param bool $feed_compatible Optional. Default false. |
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*/ |
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public function __construct( $feed_compatible = false ) { |
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parent::__construct( Token_Fix::MIXED_WORDS, $feed_compatible ); |
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$this->hyphens_array = \array_unique( [ '-', U::HYPHEN ] ); |
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$this->remove_ending_space_regex = '/(' . \implode( '|', $this->hyphens_array ) . ')' . U::ZERO_WIDTH_SPACE . '$/'; |
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} |
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/** |
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* Apply the tweak to a given textnode. |
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* |
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* @param Token[] $tokens Required. |
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* @param Settings $settings Required. |
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* @param bool $is_title Optional. Default false. |
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* @param \DOMText|null $textnode Optional. Default null. |
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* |
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* @return Token[] An array of tokens. |
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*/ |
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public function apply( array $tokens, Settings $settings, $is_title = false, \DOMText $textnode = null ) { |
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if ( ! empty( $settings[ Settings::HYPHEN_HARD_WRAP ] ) ) { |
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foreach ( $tokens as $index => $text_token ) { |
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$value = $text_token->value; |
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if ( isset( $settings[ Settings::HYPHEN_HARD_WRAP ] ) && $settings[ Settings::HYPHEN_HARD_WRAP ] ) { |
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$value = \str_replace( $this->hyphens_array, '-' . U::ZERO_WIDTH_SPACE, $value ); |
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$value = \str_replace( '_', '_' . U::ZERO_WIDTH_SPACE, $value ); |
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$value = \str_replace( '/', '/' . U::ZERO_WIDTH_SPACE, $value ); |
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$value = \preg_replace( $this->remove_ending_space_regex, '$1', $value ); |
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} |
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$tokens[ $index ] = $text_token->with_value( $value ); |
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} |
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} |
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return $tokens; |
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} |
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} |
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mundschenk-at /
php-typography
