171 lines
4.1 KiB
PHP
171 lines
4.1 KiB
PHP
<?php
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/**
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* ConsoleArgumentOption file
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @since CakePHP(tm) v 2.0
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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/**
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* An object to represent a single argument used in the command line.
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* ConsoleOptionParser creates these when you use addArgument()
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*
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* @see ConsoleOptionParser::addArgument()
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* @package Cake.Console
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*/
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class ConsoleInputArgument {
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/**
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* Name of the argument.
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*
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* @var string
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*/
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protected $_name;
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/**
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* Help string
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*
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* @var string
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*/
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protected $_help;
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/**
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* Is this option required?
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*
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* @var boolean
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*/
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protected $_required;
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/**
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* An array of valid choices for this argument.
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*
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* @var array
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*/
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protected $_choices;
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/**
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* Make a new Input Argument
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*
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* @param string|array $name The long name of the option, or an array with all the properties.
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* @param string $help The help text for this option
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* @param boolean $required Whether this argument is required. Missing required args will trigger exceptions
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* @param array $choices Valid choices for this option.
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*/
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public function __construct($name, $help = '', $required = false, $choices = array()) {
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if (is_array($name) && isset($name['name'])) {
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foreach ($name as $key => $value) {
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$this->{'_' . $key} = $value;
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}
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} else {
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$this->_name = $name;
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$this->_help = $help;
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$this->_required = $required;
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$this->_choices = $choices;
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}
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}
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/**
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* Get the value of the name attribute.
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*
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* @return string Value of this->_name.
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*/
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public function name() {
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return $this->_name;
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}
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/**
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* Generate the help for this argument.
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*
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* @param integer $width The width to make the name of the option.
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* @return string
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*/
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public function help($width = 0) {
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$name = $this->_name;
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if (strlen($name) < $width) {
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$name = str_pad($name, $width, ' ');
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}
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$optional = '';
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if (!$this->isRequired()) {
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$optional = __d('cake_console', ' <comment>(optional)</comment>');
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}
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if (!empty($this->_choices)) {
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$optional .= __d('cake_console', ' <comment>(choices: %s)</comment>', implode('|', $this->_choices));
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}
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return sprintf('%s%s%s', $name, $this->_help, $optional);
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}
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/**
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* Get the usage value for this argument
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*
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* @return string
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*/
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public function usage() {
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$name = $this->_name;
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if (!empty($this->_choices)) {
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$name = implode('|', $this->_choices);
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}
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$name = '<' . $name . '>';
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if (!$this->isRequired()) {
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$name = '[' . $name . ']';
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}
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return $name;
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}
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/**
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* Check if this argument is a required argument
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*
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* @return boolean
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*/
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public function isRequired() {
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return (bool)$this->_required;
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}
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/**
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* Check that $value is a valid choice for this argument.
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*
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* @param string $value
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* @return boolean
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* @throws ConsoleException
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*/
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public function validChoice($value) {
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if (empty($this->_choices)) {
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return true;
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}
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if (!in_array($value, $this->_choices)) {
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throw new ConsoleException(
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__d('cake_console', '"%s" is not a valid value for %s. Please use one of "%s"',
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$value, $this->_name, implode(', ', $this->_choices)
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));
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}
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return true;
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}
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/**
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* Append this arguments XML representation to the passed in SimpleXml object.
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*
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* @param SimpleXmlElement $parent The parent element.
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* @return SimpleXmlElement The parent with this argument appended.
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*/
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public function xml(SimpleXmlElement $parent) {
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$option = $parent->addChild('argument');
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$option->addAttribute('name', $this->_name);
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$option->addAttribute('help', $this->_help);
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$option->addAttribute('required', $this->isRequired());
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$choices = $option->addChild('choices');
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foreach ($this->_choices as $valid) {
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$choices->addChild('choice', $valid);
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}
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return $parent;
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}
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}
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