pictcode / lib / Cake / Console / ConsoleInputArgument.php @ 0b1b8047
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * ConsoleArgumentOption file
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| 4 | *
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| 5 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 6 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 7 | *
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| 8 | * Licensed under The MIT License
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| 9 | * For full copyright and license information, please see the LICENSE.txt
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| 10 | * Redistributions of files must retain the above copyright notice.
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| 11 | *
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| 12 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 13 | * @link http://cakephp.org CakePHP(tm) Project
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| 14 | * @since CakePHP(tm) v 2.0
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| 15 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 16 | */
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| 17 | |||
| 18 | /**
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| 19 | * An object to represent a single argument used in the command line.
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| 20 | * ConsoleOptionParser creates these when you use addArgument()
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| 21 | *
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| 22 | * @see ConsoleOptionParser::addArgument()
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| 23 | * @package Cake.Console
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| 24 | */
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| 25 | class ConsoleInputArgument { |
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| 26 | |||
| 27 | /**
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| 28 | * Name of the argument.
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| 29 | *
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| 30 | * @var string
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| 31 | */
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| 32 | protected $_name; |
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| 33 | |||
| 34 | /**
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| 35 | * Help string
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| 36 | *
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| 37 | * @var string
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| 38 | */
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| 39 | protected $_help; |
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| 40 | |||
| 41 | /**
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| 42 | * Is this option required?
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| 43 | *
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| 44 | * @var bool
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| 45 | */
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| 46 | protected $_required; |
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| 47 | |||
| 48 | /**
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| 49 | * An array of valid choices for this argument.
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| 50 | *
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| 51 | * @var array
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| 52 | */
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| 53 | protected $_choices; |
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| 54 | |||
| 55 | /**
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| 56 | * Make a new Input Argument
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| 57 | *
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| 58 | * @param string|array $name The long name of the option, or an array with all the properties.
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| 59 | * @param string $help The help text for this option
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| 60 | * @param bool $required Whether this argument is required. Missing required args will trigger exceptions
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| 61 | * @param array $choices Valid choices for this option.
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| 62 | */
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| 63 | public function __construct($name, $help = '', $required = false, $choices = array()) { |
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| 64 | if (is_array($name) && isset($name['name'])) { |
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| 65 | foreach ($name as $key => $value) { |
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| 66 | $this->{'_' . $key} = $value; |
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| 67 | } |
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| 68 | } else {
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| 69 | $this->_name = $name; |
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| 70 | $this->_help = $help; |
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| 71 | $this->_required = $required; |
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| 72 | $this->_choices = $choices; |
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| 73 | } |
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| 74 | } |
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| 75 | |||
| 76 | /**
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| 77 | * Get the value of the name attribute.
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| 78 | *
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| 79 | * @return string Value of this->_name.
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| 80 | */
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| 81 | public function name() { |
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| 82 | return $this->_name; |
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| 83 | } |
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| 84 | |||
| 85 | /**
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| 86 | * Generate the help for this argument.
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| 87 | *
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| 88 | * @param int $width The width to make the name of the option.
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| 89 | * @return string
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| 90 | */
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| 91 | public function help($width = 0) { |
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| 92 | $name = $this->_name; |
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| 93 | if (strlen($name) < $width) { |
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| 94 | $name = str_pad($name, $width, ' '); |
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| 95 | } |
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| 96 | $optional = ''; |
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| 97 | if (!$this->isRequired()) { |
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| 98 | $optional = __d('cake_console', ' <comment>(optional)</comment>'); |
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| 99 | } |
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| 100 | if (!empty($this->_choices)) { |
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| 101 | $optional .= __d('cake_console', ' <comment>(choices: %s)</comment>', implode('|', $this->_choices)); |
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| 102 | } |
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| 103 | return sprintf('%s%s%s', $name, $this->_help, $optional); |
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| 104 | } |
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| 105 | |||
| 106 | /**
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| 107 | * Get the usage value for this argument
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| 108 | *
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| 109 | * @return string
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| 110 | */
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| 111 | public function usage() { |
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| 112 | $name = $this->_name; |
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| 113 | if (!empty($this->_choices)) { |
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| 114 | $name = implode('|', $this->_choices); |
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| 115 | } |
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| 116 | $name = '<' . $name . '>'; |
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| 117 | if (!$this->isRequired()) { |
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| 118 | $name = '[' . $name . ']'; |
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| 119 | } |
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| 120 | return $name; |
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| 121 | } |
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| 122 | |||
| 123 | /**
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| 124 | * Check if this argument is a required argument
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| 125 | *
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| 126 | * @return bool
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| 127 | */
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| 128 | public function isRequired() { |
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| 129 | return (bool)$this->_required; |
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| 130 | } |
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| 131 | |||
| 132 | /**
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| 133 | * Check that $value is a valid choice for this argument.
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| 134 | *
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| 135 | * @param string $value The choice to validate.
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| 136 | * @return bool
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| 137 | * @throws ConsoleException
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| 138 | */
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| 139 | public function validChoice($value) { |
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| 140 | if (empty($this->_choices)) { |
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| 141 | return true; |
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| 142 | } |
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| 143 | if (!in_array($value, $this->_choices)) { |
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| 144 | throw new ConsoleException( |
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| 145 | __d('cake_console', '"%s" is not a valid value for %s. Please use one of "%s"', |
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| 146 | $value, $this->_name, implode(', ', $this->_choices) |
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| 147 | )); |
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| 148 | } |
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| 149 | return true; |
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| 150 | } |
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| 151 | |||
| 152 | /**
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| 153 | * Append this arguments XML representation to the passed in SimpleXml object.
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| 154 | *
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| 155 | * @param SimpleXmlElement $parent The parent element.
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| 156 | * @return SimpleXmlElement The parent with this argument appended.
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| 157 | */
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| 158 | public function xml(SimpleXmlElement $parent) { |
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| 159 | $option = $parent->addChild('argument'); |
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| 160 | $option->addAttribute('name', $this->_name); |
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| 161 | $option->addAttribute('help', $this->_help); |
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| 162 | $option->addAttribute('required', $this->isRequired()); |
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| 163 | $choices = $option->addChild('choices'); |
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| 164 | foreach ($this->_choices as $valid) { |
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| 165 | $choices->addChild('choice', $valid); |
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| 166 | } |
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| 167 | return $parent; |
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| 168 | } |
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| 169 | |||
| 170 | } |