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<?php |
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/** |
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* This file is part of the Cecil/Cecil package. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Collection\Page; |
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use Cecil\Exception\Exception; |
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/** |
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* Class PrefixSuffix. |
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*/ |
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class PrefixSuffix |
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{ |
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// https://regex101.com/r/tJWUrd/6 |
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// ie: "blog/2017-10-19-post-1.md" prefix is "2017-10-19" |
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// ie: "projet/1-projet-a.md" prefix is "1" |
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const PREFIX_PATTERN = '^(|.*\/)(([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])|[0-9]+)(-|_|\.)(.*)$'; |
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// https://regex101.com/r/GlgBdT/7 |
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// ie: "blog/2017-10-19-post-1.en.md" suffix is "en" |
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// ie: "projet/1-projet-a.fr-FR.md" suffix is "fr-FR" |
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const SUFFIX_PATTERN = '^(.*)\.([a-z]{2}(-[A-Z]{2})?)$'; |
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/** |
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* Returns true if the string contains a prefix or a suffix. |
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* |
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* @param string $string |
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* @param string $type |
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* |
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* @return bool |
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*/ |
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protected static function has(string $string, string $type): bool |
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{ |
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return (bool) preg_match('/'.self::getPattern($type).'/', $string); |
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} |
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/** |
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* Returns true if the string contains a prefix. |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public static function hasPrefix(string $string): bool |
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{ |
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return self::has($string, 'prefix'); |
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} |
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/** |
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* Returns true if the string contains a suffix. |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public static function hasSuffix(string $string): bool |
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{ |
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return self::has($string, 'suffix'); |
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} |
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/** |
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* Returns the prefix or the suffix if exists. |
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* |
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* @param string $string |
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* @param string $type |
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* |
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* @return string|null |
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*/ |
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protected static function get(string $string, string $type): ?string |
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{ |
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if (self::has($string, $type)) { |
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preg_match('/'.self::getPattern($type).'/', $string, $matches); |
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switch ($type) { |
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case 'prefix': |
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return $matches[2]; |
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case 'suffix': |
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return $matches[2]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Returns the prefix if exists. |
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* |
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* @param string $string |
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* |
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* @return string[]|null |
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*/ |
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public static function getPrefix(string $string): ?string |
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{ |
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return self::get($string, 'prefix'); |
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} |
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/** |
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* Returns the suffix if exists. |
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* |
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* @param string $string |
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* |
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* @return string[]|null |
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*/ |
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public static function getSuffix(string $string): ?string |
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{ |
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return self::get($string, 'suffix'); |
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} |
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/** |
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* Returns string without the prefix and the suffix (if exists). |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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public static function sub(string $string): string |
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{ |
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if (self::hasPrefix($string)) { |
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preg_match('/'.self::getPattern('prefix').'/', $string, $matches); |
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$string = $matches[1].$matches[7]; |
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} |
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if (self::hasSuffix($string)) { |
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preg_match('/'.self::getPattern('suffix').'/', $string, $matches); |
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$string = $matches[1]; |
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} |
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return $string; |
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} |
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/** |
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* Returns string without the prefix (if exists). |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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public static function subPrefix(string $string): string |
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{ |
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if (self::hasPrefix($string)) { |
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preg_match('/'.self::getPattern('prefix').'/', $string, $matches); |
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return $matches[1].$matches[7]; |
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} |
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return $string; |
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} |
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/** |
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* Returns expreg pattern by $type. |
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* |
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* @param string $type |
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* |
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* @throws Exception |
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* |
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* @return string |
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*/ |
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protected static function getPattern(string $type): string |
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{ |
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switch ($type) { |
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case 'prefix': |
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return self::PREFIX_PATTERN; |
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case 'suffix': |
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return self::SUFFIX_PATTERN; |
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default: |
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throw new Exception(\sprintf('%s must be "prefix" or "suffix"', $type)); |
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} |
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} |
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} |
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Cecilapp /
Cecil
