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<?php |
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namespace ConsoleArgs; |
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/** |
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* Объект параметров |
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* Отвечает за объявление параметров команд |
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*/ |
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class Param implements Parameter |
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{ |
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public $names; |
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public $defaultValue; |
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public $required; |
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protected $locale; |
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/** |
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* Конструктор |
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* |
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* @param string $name - имя парамтера |
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* [@param string $defaultValue = null] - значение параметра по умолчанию |
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* [@param bool $required = false] - обязательно ли указание параметра |
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*/ |
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public function __construct (string $name, string $defaultValue = null, bool $required = false) |
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{ |
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$this->names = [$name]; |
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$this->defaultValue = $defaultValue; |
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$this->required = $required; |
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$this->locale = new Locale; |
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} |
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/** |
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* Установка локализации |
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* |
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* @param Locale $locale - объект локализации |
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* |
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* @return Param - возвращает сам себя |
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*/ |
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public function setLocale (Locale $locale): Param |
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{ |
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$this->locale = $locale; |
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return $this; |
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} |
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/** |
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* Добавление алиаса |
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* |
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* @param string $name - алиас для добавления |
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* |
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* @return Param - возвращает сам себя |
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*/ |
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public function addAliase (string $name) |
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{ |
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if (array_search ($name, $this->names) !== false) |
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throw new \Exception ($this->locale->aliase_exists_exception); |
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$this->names[] = $name; |
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return $this; |
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} |
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/** |
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* Парсер параметров |
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* |
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* @param array &$args - массив аргументов для парсинга |
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* |
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* Возвращает найденый параметр или массив найдёных параметров, если их было указано несколько |
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*/ |
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public function parse (array &$args) |
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{ |
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$args = array_values ($args); |
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foreach ($this->names as $name) |
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if (($key = array_search ($name, $args)) !== false) |
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{ |
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if (!isset ($args[$key + 1])) |
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throw new \Exception ($this->locale->unselected_value_exception); |
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$param = [$args[$key + 1]]; |
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unset ($args[$key], $args[$key + 1]); |
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$args = array_values ($args); |
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try |
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{ |
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while (($altParam = $this->parse ($args)) !== $this->defaultValue) |
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{ |
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if (is_array ($altParam)) |
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$param = array_merge ($param, $altParam); |
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else $param[] = $altParam; |
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} |
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} |
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catch (\Throwable $e) {} |
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return sizeof ($param) == 1 ? |
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$param[0] : $param; |
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} |
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if ($this->required) |
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throw new \Exception (str_replace ('%param_name%', current ($this->names), $this->locale->undefined_param_exception)); |
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return $this->defaultValue; |
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} |
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} |
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winforms-php /
VoidStudio
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