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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 2014-2019 Peter Putzer. |
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* Copyright 2009-2011 KINGdesk, LLC. |
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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\Node_Fixes; |
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use PHP_Typography\Settings; |
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use PHP_Typography\DOM; |
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use PHP_Typography\U; |
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/** |
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* Prevents values being split from their units (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 Unit_Spacing_Fix extends Simple_Regex_Replacement_Fix { |
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const REPLACEMENT = '$1' . U::NO_BREAK_NARROW_SPACE . '$2'; |
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const REGEX = '/(\d\.?)\s(' . self::_STANDARD_UNITS . ')' . self::WORD_BOUNDARY . '/Sxu'; |
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const _STANDARD_UNITS = ' |
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### Temporal units |
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(?:ms|s|secs?|mins?|hrs?)\.?| |
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milliseconds?|seconds?|minutes?|hours?|days?|years?|decades?|century|centuries|millennium|millennia| |
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### Imperial units |
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(?:in|ft|yd|mi)\.?| |
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(?:ac|ha|oz|pt|qt|gal|lb|st)\.? |
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s\.f\.|sf|s\.i\.|si|square[ ]feet|square[ ]foot| |
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inch|inches|foot|feet|yards?|miles?|acres?|hectares?|ounces?|pints?|quarts?|gallons?|pounds?|stones?| |
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### Metric units (with prefixes) |
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(?:p|µ|[mcdhkMGT])? |
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(?:[mgstAKNJWCVFSTHBL]|mol|cd|rad|Hz|Pa|Wb|lm|lx|Bq|Gy|Sv|kat|Ω)| |
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(?:nano|micro|milli|centi|deci|deka|hecto|kilo|mega|giga|tera)? |
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(?:liters?|meters?|grams?|newtons?|pascals?|watts?|joules?|amperes?)| |
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### Computers units (KB, Kb, TB, Kbps) |
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[kKMGT]?(?:[oBb]|[oBb]ps|flops)| |
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### Money |
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¢|M?(?:£|¥|€|\$)| |
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### Other units |
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°[CF]? | |
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%|pi|M?px|em|en|[NSEOW]|[NS][EOW]|mbar |
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'; // required modifiers: x (multiline pattern), u (unicode). |
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// (?=\p{^L})|\z) is used instead of \b because otherwise the special symbols ($, € etc.) would not match properly (they are not word characters). |
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const WORD_BOUNDARY = '(?:(?=\p{^L})|\z)'; |
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/** |
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* Creates a new fix object. |
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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( self::REGEX, self::REPLACEMENT, Settings::UNIT_SPACING, $feed_compatible ); |
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} |
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/** |
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* Apply the fix to a given textnode. |
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* |
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* @param \DOMText $textnode Required. |
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* @param Settings $settings Required. |
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* @param bool $is_title Optional. Default false. |
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*/ |
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public function apply( \DOMText $textnode, Settings $settings, $is_title = false ) { |
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// Update regex with custom units. |
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$this->regex = "/(\d\.?)\s({$settings->custom_units()}" . self::_STANDARD_UNITS . ')' . self::WORD_BOUNDARY . '/Sxu'; |
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parent::apply( $textnode, $settings, $is_title ); |
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} |
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} |
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mundschenk-at /
php-typography
