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 | } |