pictcode / lib / Cake / Console / ConsoleInputOption.php @ 0b1b8047
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1 | 635eef61 | spyder1211 | <?php
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2 | /**
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3 | * ConsoleInputOption 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 option used in the command line.
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20 | * ConsoleOptionParser creates these when you use addOption()
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21 | *
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22 | * @see ConsoleOptionParser::addOption()
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23 | * @package Cake.Console
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24 | */
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25 | class ConsoleInputOption { |
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26 | |||
27 | /**
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28 | * Name of the option
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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 | * Short (1 character) alias for the option.
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36 | *
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37 | * @var string
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38 | */
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39 | protected $_short; |
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40 | |||
41 | /**
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42 | * Help text for the option.
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43 | *
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44 | * @var string
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45 | */
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46 | protected $_help; |
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47 | |||
48 | /**
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49 | * Is the option a boolean option. Boolean options do not consume a parameter.
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50 | *
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51 | * @var bool
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52 | */
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53 | protected $_boolean; |
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54 | |||
55 | /**
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56 | * Default value for the option
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57 | *
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58 | * @var mixed
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59 | */
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60 | protected $_default; |
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61 | |||
62 | /**
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63 | * An array of choices for the option.
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64 | *
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65 | * @var array
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66 | */
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67 | protected $_choices; |
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68 | |||
69 | /**
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70 | * Make a new Input Option
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71 | *
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72 | * @param string|array $name The long name of the option, or an array with all the properties.
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73 | * @param string $short The short alias for this option
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74 | * @param string $help The help text for this option
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75 | * @param bool $boolean Whether this option is a boolean option. Boolean options don't consume extra tokens
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76 | * @param string $default The default value for this option.
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77 | * @param array $choices Valid choices for this option.
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78 | * @throws ConsoleException
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79 | */
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80 | public function __construct($name, $short = null, $help = '', $boolean = false, $default = '', $choices = array()) { |
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81 | if (is_array($name) && isset($name['name'])) { |
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82 | foreach ($name as $key => $value) { |
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83 | $this->{'_' . $key} = $value; |
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84 | } |
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85 | } else {
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86 | $this->_name = $name; |
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87 | $this->_short = $short; |
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88 | $this->_help = $help; |
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89 | $this->_boolean = $boolean; |
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90 | $this->_default = $default; |
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91 | $this->_choices = $choices; |
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92 | } |
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93 | if (strlen($this->_short) > 1) { |
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94 | throw new ConsoleException( |
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95 | __d('cake_console', 'Short option "%s" is invalid, short options must be one letter.', $this->_short) |
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96 | ); |
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97 | } |
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98 | } |
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99 | |||
100 | /**
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101 | * Get the value of the name attribute.
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102 | *
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103 | * @return string Value of this->_name.
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104 | */
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105 | public function name() { |
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106 | return $this->_name; |
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107 | } |
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108 | |||
109 | /**
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110 | * Get the value of the short attribute.
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111 | *
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112 | * @return string Value of this->_short.
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113 | */
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114 | public function short() { |
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115 | return $this->_short; |
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116 | } |
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117 | |||
118 | /**
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119 | * Generate the help for this this option.
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120 | *
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121 | * @param int $width The width to make the name of the option.
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122 | * @return string
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123 | */
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124 | public function help($width = 0) { |
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125 | $default = $short = ''; |
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126 | if (!empty($this->_default) && $this->_default !== true) { |
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127 | $default = __d('cake_console', ' <comment>(default: %s)</comment>', $this->_default); |
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128 | } |
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129 | if (!empty($this->_choices)) { |
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130 | $default .= __d('cake_console', ' <comment>(choices: %s)</comment>', implode('|', $this->_choices)); |
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131 | } |
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132 | if (!empty($this->_short)) { |
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133 | $short = ', -' . $this->_short; |
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134 | } |
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135 | $name = sprintf('--%s%s', $this->_name, $short); |
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136 | if (strlen($name) < $width) { |
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137 | $name = str_pad($name, $width, ' '); |
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138 | } |
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139 | return sprintf('%s%s%s', $name, $this->_help, $default); |
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140 | } |
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141 | |||
142 | /**
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143 | * Get the usage value for this option
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144 | *
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145 | * @return string
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146 | */
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147 | public function usage() { |
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148 | $name = empty($this->_short) ? '--' . $this->_name : '-' . $this->_short; |
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149 | $default = ''; |
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150 | if (!empty($this->_default) && $this->_default !== true) { |
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151 | $default = ' ' . $this->_default; |
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152 | } |
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153 | if (!empty($this->_choices)) { |
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154 | $default = ' ' . implode('|', $this->_choices); |
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155 | } |
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156 | return sprintf('[%s%s]', $name, $default); |
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157 | } |
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158 | |||
159 | /**
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160 | * Get the default value for this option
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161 | *
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162 | * @return mixed
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163 | */
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164 | public function defaultValue() { |
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165 | return $this->_default; |
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166 | } |
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167 | |||
168 | /**
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169 | * Check if this option is a boolean option
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170 | *
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171 | * @return bool
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172 | */
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173 | public function isBoolean() { |
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174 | return (bool)$this->_boolean; |
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175 | } |
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176 | |||
177 | /**
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178 | * Check that a value is a valid choice for this option.
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179 | *
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180 | * @param string $value The choice to validate.
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181 | * @return bool
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182 | * @throws ConsoleException
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183 | */
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184 | public function validChoice($value) { |
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185 | if (empty($this->_choices)) { |
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186 | return true; |
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187 | } |
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188 | if (!in_array($value, $this->_choices)) { |
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189 | throw new ConsoleException( |
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190 | __d('cake_console', '"%s" is not a valid value for --%s. Please use one of "%s"', |
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191 | $value, $this->_name, implode(', ', $this->_choices) |
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192 | )); |
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193 | } |
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194 | return true; |
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195 | } |
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196 | |||
197 | /**
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198 | * Append the option's xml into the parent.
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199 | *
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200 | * @param SimpleXmlElement $parent The parent element.
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201 | * @return SimpleXmlElement The parent with this option appended.
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202 | */
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203 | public function xml(SimpleXmlElement $parent) { |
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204 | $option = $parent->addChild('option'); |
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205 | $option->addAttribute('name', '--' . $this->_name); |
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206 | $short = ''; |
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207 | if (strlen($this->_short)) { |
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208 | $short = $this->_short; |
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209 | } |
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210 | $option->addAttribute('short', '-' . $short); |
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211 | $option->addAttribute('boolean', $this->_boolean); |
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212 | $option->addChild('default', $this->_default); |
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213 | $choices = $option->addChild('choices'); |
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214 | foreach ($this->_choices as $valid) { |
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215 | $choices->addChild('choice', $valid); |
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216 | } |
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217 | return $parent; |
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218 | } |
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219 | |||
220 | } |