<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: yunwuxin <448901948@qq.com>
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// +----------------------------------------------------------------------
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namespace think\console\input;
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class Argument
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{
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const REQUIRED = 1;
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const OPTIONAL = 2;
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const IS_ARRAY = 4;
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private $name;
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private $mode;
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private $default;
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private $description;
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/**
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* 构造方法
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* @param string $name 参数名
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* @param int $mode 参数类型: self::REQUIRED 或者 self::OPTIONAL
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* @param string $description 描述
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* @param mixed $default 默认值 (仅 self::OPTIONAL 类型有效)
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* @throws \InvalidArgumentException
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*/
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public function __construct($name, $mode = null, $description = '', $default = null)
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{
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if (null === $mode) {
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$mode = self::OPTIONAL;
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} elseif (!is_int($mode) || $mode > 7 || $mode < 1) {
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throw new \InvalidArgumentException(sprintf('Argument mode "%s" is not valid.', $mode));
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}
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$this->name = $name;
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$this->mode = $mode;
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$this->description = $description;
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$this->setDefault($default);
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}
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/**
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* 获取参数名
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* @return string
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* 是否必须
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* @return bool
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*/
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public function isRequired()
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{
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return self::REQUIRED === (self::REQUIRED & $this->mode);
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}
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/**
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* 该参数是否接受数组
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* @return bool
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*/
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public function isArray()
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{
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return self::IS_ARRAY === (self::IS_ARRAY & $this->mode);
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}
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/**
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* 设置默认值
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* @param mixed $default 默认值
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* @throws \LogicException
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*/
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public function setDefault($default = null)
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{
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if (self::REQUIRED === $this->mode && null !== $default) {
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throw new \LogicException('Cannot set a default value except for InputArgument::OPTIONAL mode.');
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}
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if ($this->isArray()) {
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if (null === $default) {
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$default = [];
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} elseif (!is_array($default)) {
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throw new \LogicException('A default value for an array argument must be an array.');
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}
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}
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$this->default = $default;
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}
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/**
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* 获取默认值
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* @return mixed
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*/
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public function getDefault()
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{
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return $this->default;
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}
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/**
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* 获取描述
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* @return string
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*/
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public function getDescription()
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{
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return $this->description;
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}
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}
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