owncloud /
updater
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Application often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Application, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 58 | class Application |
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| 59 | { |
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| 60 | private $commands = array(); |
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| 61 | private $wantHelps = false; |
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| 62 | private $runningCommand; |
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| 63 | private $name; |
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| 64 | private $version; |
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| 65 | private $catchExceptions = true; |
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| 66 | private $autoExit = true; |
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| 67 | private $definition; |
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| 68 | private $helperSet; |
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| 69 | private $dispatcher; |
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| 70 | private $terminalDimensions; |
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| 71 | private $defaultCommand; |
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| 72 | |||
| 73 | /** |
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| 74 | * Constructor. |
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| 75 | * |
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| 76 | * @param string $name The name of the application |
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| 77 | * @param string $version The version of the application |
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| 78 | */ |
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| 79 | public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN') |
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| 80 | { |
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| 81 | $this->name = $name; |
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| 82 | $this->version = $version; |
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| 83 | $this->defaultCommand = 'list'; |
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| 84 | $this->helperSet = $this->getDefaultHelperSet(); |
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| 85 | $this->definition = $this->getDefaultInputDefinition(); |
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| 86 | |||
| 87 | foreach ($this->getDefaultCommands() as $command) { |
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| 88 | $this->add($command); |
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| 89 | } |
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| 90 | } |
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| 91 | |||
| 92 | public function setDispatcher(EventDispatcherInterface $dispatcher) |
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| 93 | { |
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| 94 | $this->dispatcher = $dispatcher; |
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| 95 | } |
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| 96 | |||
| 97 | /** |
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| 98 | * Runs the current application. |
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| 99 | * |
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| 100 | * @param InputInterface $input An Input instance |
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| 101 | * @param OutputInterface $output An Output instance |
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| 102 | * |
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| 103 | * @return int 0 if everything went fine, or an error code |
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| 104 | * |
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| 105 | * @throws \Exception When doRun returns Exception |
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| 106 | */ |
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| 107 | public function run(InputInterface $input = null, OutputInterface $output = null) |
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| 108 | { |
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| 109 | if (null === $input) { |
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| 110 | $input = new ArgvInput(); |
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| 111 | } |
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| 112 | |||
| 113 | if (null === $output) { |
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| 114 | $output = new ConsoleOutput(); |
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| 115 | } |
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| 116 | |||
| 117 | $this->configureIO($input, $output); |
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| 118 | |||
| 119 | try { |
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| 120 | $exitCode = $this->doRun($input, $output); |
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| 121 | } catch (\Exception $e) { |
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| 122 | if (!$this->catchExceptions) { |
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| 123 | throw $e; |
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| 124 | } |
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| 125 | |||
| 126 | if ($output instanceof ConsoleOutputInterface) { |
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| 127 | $this->renderException($e, $output->getErrorOutput()); |
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| 128 | } else { |
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| 129 | $this->renderException($e, $output); |
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| 130 | } |
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| 131 | |||
| 132 | $exitCode = $e->getCode(); |
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| 133 | if (is_numeric($exitCode)) { |
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| 134 | $exitCode = (int) $exitCode; |
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| 135 | if (0 === $exitCode) { |
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| 136 | $exitCode = 1; |
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| 137 | } |
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| 138 | } else { |
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| 139 | $exitCode = 1; |
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| 140 | } |
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| 141 | } |
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| 142 | |||
| 143 | if ($this->autoExit) { |
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| 144 | if ($exitCode > 255) { |
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| 145 | $exitCode = 255; |
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| 146 | } |
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| 147 | |||
| 148 | exit($exitCode); |
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| 149 | } |
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| 150 | |||
| 151 | return $exitCode; |
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| 152 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * Runs the current application. |
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| 156 | * |
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| 157 | * @param InputInterface $input An Input instance |
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| 158 | * @param OutputInterface $output An Output instance |
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| 159 | * |
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| 160 | * @return int 0 if everything went fine, or an error code |
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| 161 | */ |
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| 162 | public function doRun(InputInterface $input, OutputInterface $output) |
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| 163 | { |
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| 164 | if (true === $input->hasParameterOption(array('--version', '-V'))) { |
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| 165 | $output->writeln($this->getLongVersion()); |
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| 166 | |||
| 167 | return 0; |
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| 168 | } |
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| 169 | |||
| 170 | $name = $this->getCommandName($input); |
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| 171 | if (true === $input->hasParameterOption(array('--help', '-h'))) { |
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| 172 | if (!$name) { |
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| 173 | $name = 'help'; |
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| 174 | $input = new ArrayInput(array('command' => 'help')); |
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| 175 | } else { |
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| 176 | $this->wantHelps = true; |
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| 177 | } |
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| 178 | } |
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| 179 | |||
| 180 | if (!$name) { |
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| 181 | $name = $this->defaultCommand; |
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| 182 | $input = new ArrayInput(array('command' => $this->defaultCommand)); |
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| 183 | } |
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| 184 | |||
| 185 | // the command name MUST be the first element of the input |
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| 186 | $command = $this->find($name); |
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| 187 | |||
| 188 | $this->runningCommand = $command; |
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| 189 | $exitCode = $this->doRunCommand($command, $input, $output); |
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| 190 | $this->runningCommand = null; |
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| 191 | |||
| 192 | return $exitCode; |
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| 193 | } |
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| 194 | |||
| 195 | /** |
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| 196 | * Set a helper set to be used with the command. |
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| 197 | * |
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| 198 | * @param HelperSet $helperSet The helper set |
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| 199 | */ |
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| 200 | public function setHelperSet(HelperSet $helperSet) |
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| 201 | { |
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| 202 | $this->helperSet = $helperSet; |
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| 203 | } |
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| 204 | |||
| 205 | /** |
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| 206 | * Get the helper set associated with the command. |
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| 207 | * |
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| 208 | * @return HelperSet The HelperSet instance associated with this command |
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| 209 | */ |
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| 210 | public function getHelperSet() |
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| 211 | { |
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| 212 | return $this->helperSet; |
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| 213 | } |
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| 214 | |||
| 215 | /** |
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| 216 | * Set an input definition set to be used with this application. |
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| 217 | * |
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| 218 | * @param InputDefinition $definition The input definition |
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| 219 | */ |
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| 220 | public function setDefinition(InputDefinition $definition) |
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| 221 | { |
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| 222 | $this->definition = $definition; |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * Gets the InputDefinition related to this Application. |
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| 227 | * |
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| 228 | * @return InputDefinition The InputDefinition instance |
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| 229 | */ |
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| 230 | public function getDefinition() |
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| 231 | { |
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| 232 | return $this->definition; |
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| 233 | } |
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| 234 | |||
| 235 | /** |
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| 236 | * Gets the help message. |
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| 237 | * |
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| 238 | * @return string A help message. |
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| 239 | */ |
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| 240 | public function getHelp() |
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| 241 | { |
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| 242 | return $this->getLongVersion(); |
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| 243 | } |
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| 244 | |||
| 245 | /** |
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| 246 | * Sets whether to catch exceptions or not during commands execution. |
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| 247 | * |
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| 248 | * @param bool $boolean Whether to catch exceptions or not during commands execution |
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| 249 | */ |
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| 250 | public function setCatchExceptions($boolean) |
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| 251 | { |
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| 252 | $this->catchExceptions = (bool) $boolean; |
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| 253 | } |
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| 254 | |||
| 255 | /** |
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| 256 | * Sets whether to automatically exit after a command execution or not. |
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| 257 | * |
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| 258 | * @param bool $boolean Whether to automatically exit after a command execution or not |
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| 259 | */ |
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| 260 | public function setAutoExit($boolean) |
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| 261 | { |
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| 262 | $this->autoExit = (bool) $boolean; |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * Gets the name of the application. |
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| 267 | * |
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| 268 | * @return string The application name |
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| 269 | */ |
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| 270 | public function getName() |
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| 271 | { |
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| 272 | return $this->name; |
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| 273 | } |
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| 274 | |||
| 275 | /** |
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| 276 | * Sets the application name. |
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| 277 | * |
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| 278 | * @param string $name The application name |
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| 279 | */ |
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| 280 | public function setName($name) |
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| 281 | { |
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| 282 | $this->name = $name; |
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| 283 | } |
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| 284 | |||
| 285 | /** |
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| 286 | * Gets the application version. |
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| 287 | * |
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| 288 | * @return string The application version |
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| 289 | */ |
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| 290 | public function getVersion() |
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| 291 | { |
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| 292 | return $this->version; |
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| 293 | } |
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| 294 | |||
| 295 | /** |
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| 296 | * Sets the application version. |
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| 297 | * |
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| 298 | * @param string $version The application version |
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| 299 | */ |
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| 300 | public function setVersion($version) |
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| 301 | { |
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| 302 | $this->version = $version; |
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| 303 | } |
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| 304 | |||
| 305 | /** |
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| 306 | * Returns the long version of the application. |
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| 307 | * |
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| 308 | * @return string The long application version |
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| 309 | */ |
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| 310 | public function getLongVersion() |
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| 311 | { |
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| 312 | if ('UNKNOWN' !== $this->getName() && 'UNKNOWN' !== $this->getVersion()) { |
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| 313 | return sprintf('<info>%s</info> version <comment>%s</comment>', $this->getName(), $this->getVersion()); |
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| 314 | } |
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| 315 | |||
| 316 | return '<info>Console Tool</info>'; |
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| 317 | } |
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| 318 | |||
| 319 | /** |
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| 320 | * Registers a new command. |
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| 321 | * |
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| 322 | * @param string $name The command name |
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| 323 | * |
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| 324 | * @return Command The newly created command |
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| 325 | */ |
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| 326 | public function register($name) |
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| 327 | { |
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| 328 | return $this->add(new Command($name)); |
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| 329 | } |
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| 330 | |||
| 331 | /** |
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| 332 | * Adds an array of command objects. |
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| 333 | * |
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| 334 | * @param Command[] $commands An array of commands |
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| 335 | */ |
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| 336 | public function addCommands(array $commands) |
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| 337 | { |
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| 338 | foreach ($commands as $command) { |
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| 339 | $this->add($command); |
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| 340 | } |
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| 341 | } |
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| 342 | |||
| 343 | /** |
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| 344 | * Adds a command object. |
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| 345 | * |
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| 346 | * If a command with the same name already exists, it will be overridden. |
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| 347 | * |
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| 348 | * @param Command $command A Command object |
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| 349 | * |
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| 350 | * @return Command The registered command |
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| 351 | */ |
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| 352 | public function add(Command $command) |
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| 353 | { |
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| 354 | $command->setApplication($this); |
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| 355 | |||
| 356 | if (!$command->isEnabled()) { |
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| 357 | $command->setApplication(null); |
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| 358 | |||
| 359 | return; |
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| 360 | } |
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| 361 | |||
| 362 | if (null === $command->getDefinition()) { |
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| 363 | throw new \LogicException(sprintf('Command class "%s" is not correctly initialized. You probably forgot to call the parent constructor.', get_class($command))); |
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| 364 | } |
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| 365 | |||
| 366 | $this->commands[$command->getName()] = $command; |
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| 367 | |||
| 368 | foreach ($command->getAliases() as $alias) { |
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| 369 | $this->commands[$alias] = $command; |
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| 370 | } |
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| 371 | |||
| 372 | return $command; |
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| 373 | } |
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| 374 | |||
| 375 | /** |
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| 376 | * Returns a registered command by name or alias. |
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| 377 | * |
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| 378 | * @param string $name The command name or alias |
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| 379 | * |
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| 380 | * @return Command A Command object |
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| 381 | * |
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| 382 | * @throws \InvalidArgumentException When command name given does not exist |
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| 383 | */ |
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| 384 | public function get($name) |
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| 385 | { |
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| 386 | if (!isset($this->commands[$name])) { |
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| 387 | throw new \InvalidArgumentException(sprintf('The command "%s" does not exist.', $name)); |
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| 388 | } |
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| 389 | |||
| 390 | $command = $this->commands[$name]; |
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| 391 | |||
| 392 | if ($this->wantHelps) { |
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| 393 | $this->wantHelps = false; |
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| 394 | |||
| 395 | $helpCommand = $this->get('help'); |
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| 396 | $helpCommand->setCommand($command); |
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| 397 | |||
| 398 | return $helpCommand; |
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| 399 | } |
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| 400 | |||
| 401 | return $command; |
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| 402 | } |
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| 403 | |||
| 404 | /** |
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| 405 | * Returns true if the command exists, false otherwise. |
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| 406 | * |
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| 407 | * @param string $name The command name or alias |
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| 408 | * |
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| 409 | * @return bool true if the command exists, false otherwise |
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| 410 | */ |
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| 411 | public function has($name) |
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| 412 | { |
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| 413 | return isset($this->commands[$name]); |
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| 414 | } |
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| 415 | |||
| 416 | /** |
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| 417 | * Returns an array of all unique namespaces used by currently registered commands. |
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| 418 | * |
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| 419 | * It does not returns the global namespace which always exists. |
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| 420 | * |
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| 421 | * @return array An array of namespaces |
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| 422 | */ |
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| 423 | public function getNamespaces() |
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| 424 | { |
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| 425 | $namespaces = array(); |
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| 426 | foreach ($this->commands as $command) { |
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| 427 | $namespaces = array_merge($namespaces, $this->extractAllNamespaces($command->getName())); |
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| 428 | |||
| 429 | foreach ($command->getAliases() as $alias) { |
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| 430 | $namespaces = array_merge($namespaces, $this->extractAllNamespaces($alias)); |
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| 431 | } |
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| 432 | } |
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| 433 | |||
| 434 | return array_values(array_unique(array_filter($namespaces))); |
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| 435 | } |
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| 436 | |||
| 437 | /** |
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| 438 | * Finds a registered namespace by a name or an abbreviation. |
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| 439 | * |
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| 440 | * @param string $namespace A namespace or abbreviation to search for |
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| 441 | * |
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| 442 | * @return string A registered namespace |
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| 443 | * |
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| 444 | * @throws \InvalidArgumentException When namespace is incorrect or ambiguous |
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| 445 | */ |
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| 446 | public function findNamespace($namespace) |
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| 447 | { |
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| 448 | $allNamespaces = $this->getNamespaces(); |
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| 449 | $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $namespace); |
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| 450 | $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces); |
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| 451 | |||
| 452 | if (empty($namespaces)) { |
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| 453 | $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace); |
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| 454 | |||
| 455 | if ($alternatives = $this->findAlternatives($namespace, $allNamespaces)) { |
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| 456 | if (1 == count($alternatives)) { |
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| 457 | $message .= "\n\nDid you mean this?\n "; |
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| 458 | } else { |
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| 459 | $message .= "\n\nDid you mean one of these?\n "; |
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| 460 | } |
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| 461 | |||
| 462 | $message .= implode("\n ", $alternatives); |
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| 463 | } |
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| 464 | |||
| 465 | throw new \InvalidArgumentException($message); |
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| 466 | } |
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| 467 | |||
| 468 | $exact = in_array($namespace, $namespaces, true); |
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| 469 | if (count($namespaces) > 1 && !$exact) { |
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| 470 | throw new \InvalidArgumentException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions(array_values($namespaces)))); |
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| 471 | } |
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| 472 | |||
| 473 | return $exact ? $namespace : reset($namespaces); |
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| 474 | } |
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| 475 | |||
| 476 | /** |
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| 477 | * Finds a command by name or alias. |
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| 478 | * |
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| 479 | * Contrary to get, this command tries to find the best |
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| 480 | * match if you give it an abbreviation of a name or alias. |
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| 481 | * |
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| 482 | * @param string $name A command name or a command alias |
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| 483 | * |
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| 484 | * @return Command A Command instance |
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| 485 | * |
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| 486 | * @throws \InvalidArgumentException When command name is incorrect or ambiguous |
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| 487 | */ |
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| 488 | public function find($name) |
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| 489 | { |
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| 490 | $allCommands = array_keys($this->commands); |
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| 491 | $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $name); |
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| 492 | $commands = preg_grep('{^'.$expr.'}', $allCommands); |
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| 493 | |||
| 494 | if (empty($commands) || count(preg_grep('{^'.$expr.'$}', $commands)) < 1) { |
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| 495 | if (false !== $pos = strrpos($name, ':')) { |
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| 496 | // check if a namespace exists and contains commands |
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| 497 | $this->findNamespace(substr($name, 0, $pos)); |
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| 498 | } |
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| 499 | |||
| 500 | $message = sprintf('Command "%s" is not defined.', $name); |
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| 501 | |||
| 502 | if ($alternatives = $this->findAlternatives($name, $allCommands)) { |
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| 503 | if (1 == count($alternatives)) { |
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| 504 | $message .= "\n\nDid you mean this?\n "; |
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| 505 | } else { |
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| 506 | $message .= "\n\nDid you mean one of these?\n "; |
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| 507 | } |
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| 508 | $message .= implode("\n ", $alternatives); |
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| 509 | } |
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| 510 | |||
| 511 | throw new \InvalidArgumentException($message); |
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| 512 | } |
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| 513 | |||
| 514 | // filter out aliases for commands which are already on the list |
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| 515 | if (count($commands) > 1) { |
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| 516 | $commandList = $this->commands; |
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| 517 | $commands = array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) { |
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| 518 | $commandName = $commandList[$nameOrAlias]->getName(); |
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| 519 | |||
| 520 | return $commandName === $nameOrAlias || !in_array($commandName, $commands); |
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| 521 | }); |
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| 522 | } |
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| 523 | |||
| 524 | $exact = in_array($name, $commands, true); |
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| 525 | if (count($commands) > 1 && !$exact) { |
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| 526 | $suggestions = $this->getAbbreviationSuggestions(array_values($commands)); |
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| 527 | |||
| 528 | throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $name, $suggestions)); |
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| 529 | } |
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| 530 | |||
| 531 | return $this->get($exact ? $name : reset($commands)); |
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| 532 | } |
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| 533 | |||
| 534 | /** |
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| 535 | * Gets the commands (registered in the given namespace if provided). |
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| 536 | * |
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| 537 | * The array keys are the full names and the values the command instances. |
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| 538 | * |
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| 539 | * @param string $namespace A namespace name |
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| 540 | * |
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| 541 | * @return Command[] An array of Command instances |
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| 542 | */ |
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| 543 | public function all($namespace = null) |
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| 544 | { |
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| 545 | if (null === $namespace) { |
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| 546 | return $this->commands; |
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| 547 | } |
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| 548 | |||
| 549 | $commands = array(); |
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| 550 | foreach ($this->commands as $name => $command) { |
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| 551 | if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) { |
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| 552 | $commands[$name] = $command; |
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| 553 | } |
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| 554 | } |
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| 555 | |||
| 556 | return $commands; |
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| 557 | } |
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| 558 | |||
| 559 | /** |
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| 560 | * Returns an array of possible abbreviations given a set of names. |
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| 561 | * |
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| 562 | * @param array $names An array of names |
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| 563 | * |
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| 564 | * @return array An array of abbreviations |
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| 565 | */ |
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| 566 | public static function getAbbreviations($names) |
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| 567 | { |
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| 568 | $abbrevs = array(); |
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| 569 | foreach ($names as $name) { |
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| 570 | for ($len = strlen($name); $len > 0; --$len) { |
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| 571 | $abbrev = substr($name, 0, $len); |
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| 572 | $abbrevs[$abbrev][] = $name; |
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| 573 | } |
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| 574 | } |
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| 575 | |||
| 576 | return $abbrevs; |
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| 577 | } |
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| 578 | |||
| 579 | /** |
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| 580 | * Returns a text representation of the Application. |
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| 581 | * |
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| 582 | * @param string $namespace An optional namespace name |
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| 583 | * @param bool $raw Whether to return raw command list |
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| 584 | * |
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| 585 | * @return string A string representing the Application |
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| 586 | * |
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| 587 | * @deprecated since version 2.3, to be removed in 3.0. |
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| 588 | */ |
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| 589 | public function asText($namespace = null, $raw = false) |
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| 590 | { |
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| 591 | @trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED); |
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| 592 | |||
| 593 | $descriptor = new TextDescriptor(); |
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| 594 | $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, !$raw); |
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| 595 | $descriptor->describe($output, $this, array('namespace' => $namespace, 'raw_output' => true)); |
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| 596 | |||
| 597 | return $output->fetch(); |
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| 598 | } |
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| 599 | |||
| 600 | /** |
||
| 601 | * Returns an XML representation of the Application. |
||
| 602 | * |
||
| 603 | * @param string $namespace An optional namespace name |
||
| 604 | * @param bool $asDom Whether to return a DOM or an XML string |
||
| 605 | * |
||
| 606 | * @return string|\DOMDocument An XML string representing the Application |
||
| 607 | * |
||
| 608 | * @deprecated since version 2.3, to be removed in 3.0. |
||
| 609 | */ |
||
| 610 | public function asXml($namespace = null, $asDom = false) |
||
| 611 | { |
||
| 612 | @trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED); |
||
| 613 | |||
| 614 | $descriptor = new XmlDescriptor(); |
||
| 615 | |||
| 616 | if ($asDom) { |
||
| 617 | return $descriptor->getApplicationDocument($this, $namespace); |
||
| 618 | } |
||
| 619 | |||
| 620 | $output = new BufferedOutput(); |
||
| 621 | $descriptor->describe($output, $this, array('namespace' => $namespace)); |
||
| 622 | |||
| 623 | return $output->fetch(); |
||
| 624 | } |
||
| 625 | |||
| 626 | /** |
||
| 627 | * Renders a caught exception. |
||
| 628 | * |
||
| 629 | * @param \Exception $e An exception instance |
||
| 630 | * @param OutputInterface $output An OutputInterface instance |
||
| 631 | */ |
||
| 632 | public function renderException($e, $output) |
||
| 633 | { |
||
| 634 | do { |
||
| 635 | $title = sprintf(' [%s] ', get_class($e)); |
||
| 636 | |||
| 637 | $len = $this->stringWidth($title); |
||
| 638 | |||
| 639 | $width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX; |
||
| 640 | // HHVM only accepts 32 bits integer in str_split, even when PHP_INT_MAX is a 64 bit integer: https://github.com/facebook/hhvm/issues/1327 |
||
| 641 | if (defined('HHVM_VERSION') && $width > 1 << 31) { |
||
| 642 | $width = 1 << 31; |
||
| 643 | } |
||
| 644 | $formatter = $output->getFormatter(); |
||
| 645 | $lines = array(); |
||
| 646 | foreach (preg_split('/\r?\n/', $e->getMessage()) as $line) { |
||
| 647 | foreach ($this->splitStringByWidth($line, $width - 4) as $line) { |
||
| 648 | // pre-format lines to get the right string length |
||
| 649 | $lineLength = $this->stringWidth(preg_replace('/\[[^m]*m/', '', $formatter->format($line))) + 4; |
||
| 650 | $lines[] = array($line, $lineLength); |
||
| 651 | |||
| 652 | $len = max($lineLength, $len); |
||
| 653 | } |
||
| 654 | } |
||
| 655 | |||
| 656 | $messages = array('', ''); |
||
| 657 | $messages[] = $emptyLine = $formatter->format(sprintf('<error>%s</error>', str_repeat(' ', $len))); |
||
| 658 | $messages[] = $formatter->format(sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - $this->stringWidth($title))))); |
||
| 659 | foreach ($lines as $line) { |
||
| 660 | $messages[] = $formatter->format(sprintf('<error> %s %s</error>', $line[0], str_repeat(' ', $len - $line[1]))); |
||
| 661 | } |
||
| 662 | $messages[] = $emptyLine; |
||
| 663 | $messages[] = ''; |
||
| 664 | $messages[] = ''; |
||
| 665 | |||
| 666 | $output->writeln($messages, OutputInterface::OUTPUT_RAW); |
||
| 667 | |||
| 668 | if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) { |
||
| 669 | $output->writeln('<comment>Exception trace:</comment>'); |
||
| 670 | |||
| 671 | // exception related properties |
||
| 672 | $trace = $e->getTrace(); |
||
| 673 | array_unshift($trace, array( |
||
| 674 | 'function' => '', |
||
| 675 | 'file' => $e->getFile() !== null ? $e->getFile() : 'n/a', |
||
| 676 | 'line' => $e->getLine() !== null ? $e->getLine() : 'n/a', |
||
| 677 | 'args' => array(), |
||
| 678 | )); |
||
| 679 | |||
| 680 | for ($i = 0, $count = count($trace); $i < $count; ++$i) { |
||
| 681 | $class = isset($trace[$i]['class']) ? $trace[$i]['class'] : ''; |
||
| 682 | $type = isset($trace[$i]['type']) ? $trace[$i]['type'] : ''; |
||
| 683 | $function = $trace[$i]['function']; |
||
| 684 | $file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a'; |
||
| 685 | $line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a'; |
||
| 686 | |||
| 687 | $output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line)); |
||
| 688 | } |
||
| 689 | |||
| 690 | $output->writeln(''); |
||
| 691 | $output->writeln(''); |
||
| 692 | } |
||
| 693 | } while ($e = $e->getPrevious()); |
||
| 694 | |||
| 695 | if (null !== $this->runningCommand) { |
||
| 696 | $output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName()))); |
||
| 697 | $output->writeln(''); |
||
| 698 | $output->writeln(''); |
||
| 699 | } |
||
| 700 | } |
||
| 701 | |||
| 702 | /** |
||
| 703 | * Tries to figure out the terminal width in which this application runs. |
||
| 704 | * |
||
| 705 | * @return int|null |
||
| 706 | */ |
||
| 707 | protected function getTerminalWidth() |
||
| 708 | { |
||
| 709 | $dimensions = $this->getTerminalDimensions(); |
||
| 710 | |||
| 711 | return $dimensions[0]; |
||
| 712 | } |
||
| 713 | |||
| 714 | /** |
||
| 715 | * Tries to figure out the terminal height in which this application runs. |
||
| 716 | * |
||
| 717 | * @return int|null |
||
| 718 | */ |
||
| 719 | protected function getTerminalHeight() |
||
| 720 | { |
||
| 721 | $dimensions = $this->getTerminalDimensions(); |
||
| 722 | |||
| 723 | return $dimensions[1]; |
||
| 724 | } |
||
| 725 | |||
| 726 | /** |
||
| 727 | * Tries to figure out the terminal dimensions based on the current environment. |
||
| 728 | * |
||
| 729 | * @return array Array containing width and height |
||
| 730 | */ |
||
| 731 | public function getTerminalDimensions() |
||
| 732 | { |
||
| 733 | if ($this->terminalDimensions) { |
||
| 734 | return $this->terminalDimensions; |
||
| 735 | } |
||
| 736 | |||
| 737 | if ('\\' === DIRECTORY_SEPARATOR) { |
||
| 738 | // extract [w, H] from "wxh (WxH)" |
||
| 739 | if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) { |
||
| 740 | return array((int) $matches[1], (int) $matches[2]); |
||
| 741 | } |
||
| 742 | // extract [w, h] from "wxh" |
||
| 743 | if (preg_match('/^(\d+)x(\d+)$/', $this->getConsoleMode(), $matches)) { |
||
| 744 | return array((int) $matches[1], (int) $matches[2]); |
||
| 745 | } |
||
| 746 | } |
||
| 747 | |||
| 748 | if ($sttyString = $this->getSttyColumns()) { |
||
| 749 | // extract [w, h] from "rows h; columns w;" |
||
| 750 | if (preg_match('/rows.(\d+);.columns.(\d+);/i', $sttyString, $matches)) { |
||
| 751 | return array((int) $matches[2], (int) $matches[1]); |
||
| 752 | } |
||
| 753 | // extract [w, h] from "; h rows; w columns" |
||
| 754 | if (preg_match('/;.(\d+).rows;.(\d+).columns/i', $sttyString, $matches)) { |
||
| 755 | return array((int) $matches[2], (int) $matches[1]); |
||
| 756 | } |
||
| 757 | } |
||
| 758 | |||
| 759 | return array(null, null); |
||
| 760 | } |
||
| 761 | |||
| 762 | /** |
||
| 763 | * Sets terminal dimensions. |
||
| 764 | * |
||
| 765 | * Can be useful to force terminal dimensions for functional tests. |
||
| 766 | * |
||
| 767 | * @param int $width The width |
||
| 768 | * @param int $height The height |
||
| 769 | * |
||
| 770 | * @return Application The current application |
||
| 771 | */ |
||
| 772 | public function setTerminalDimensions($width, $height) |
||
| 773 | { |
||
| 774 | $this->terminalDimensions = array($width, $height); |
||
| 775 | |||
| 776 | return $this; |
||
| 777 | } |
||
| 778 | |||
| 779 | /** |
||
| 780 | * Configures the input and output instances based on the user arguments and options. |
||
| 781 | * |
||
| 782 | * @param InputInterface $input An InputInterface instance |
||
| 783 | * @param OutputInterface $output An OutputInterface instance |
||
| 784 | */ |
||
| 785 | protected function configureIO(InputInterface $input, OutputInterface $output) |
||
| 786 | { |
||
| 787 | if (true === $input->hasParameterOption(array('--ansi'))) { |
||
| 788 | $output->setDecorated(true); |
||
| 789 | } elseif (true === $input->hasParameterOption(array('--no-ansi'))) { |
||
| 790 | $output->setDecorated(false); |
||
| 791 | } |
||
| 792 | |||
| 793 | if (true === $input->hasParameterOption(array('--no-interaction', '-n'))) { |
||
| 794 | $input->setInteractive(false); |
||
| 795 | } elseif (function_exists('posix_isatty') && $this->getHelperSet()->has('question')) { |
||
| 796 | $inputStream = $this->getHelperSet()->get('question')->getInputStream(); |
||
| 797 | if (!@posix_isatty($inputStream) && false === getenv('SHELL_INTERACTIVE')) { |
||
| 798 | $input->setInteractive(false); |
||
| 799 | } |
||
| 800 | } |
||
| 801 | |||
| 802 | if (true === $input->hasParameterOption(array('--quiet', '-q'))) { |
||
| 803 | $output->setVerbosity(OutputInterface::VERBOSITY_QUIET); |
||
| 804 | } else { |
||
| 805 | if ($input->hasParameterOption('-vvv') || $input->hasParameterOption('--verbose=3') || $input->getParameterOption('--verbose') === 3) { |
||
| 806 | $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG); |
||
| 807 | } elseif ($input->hasParameterOption('-vv') || $input->hasParameterOption('--verbose=2') || $input->getParameterOption('--verbose') === 2) { |
||
| 808 | $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE); |
||
| 809 | } elseif ($input->hasParameterOption('-v') || $input->hasParameterOption('--verbose=1') || $input->hasParameterOption('--verbose') || $input->getParameterOption('--verbose')) { |
||
| 810 | $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE); |
||
| 811 | } |
||
| 812 | } |
||
| 813 | } |
||
| 814 | |||
| 815 | /** |
||
| 816 | * Runs the current command. |
||
| 817 | * |
||
| 818 | * If an event dispatcher has been attached to the application, |
||
| 819 | * events are also dispatched during the life-cycle of the command. |
||
| 820 | * |
||
| 821 | * @param Command $command A Command instance |
||
| 822 | * @param InputInterface $input An Input instance |
||
| 823 | * @param OutputInterface $output An Output instance |
||
| 824 | * |
||
| 825 | * @return int 0 if everything went fine, or an error code |
||
| 826 | * |
||
| 827 | * @throws \Exception when the command being run threw an exception |
||
| 828 | */ |
||
| 829 | protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output) |
||
| 830 | { |
||
| 831 | foreach ($command->getHelperSet() as $helper) { |
||
| 832 | if ($helper instanceof InputAwareInterface) { |
||
| 833 | $helper->setInput($input); |
||
| 834 | } |
||
| 835 | } |
||
| 836 | |||
| 837 | if (null === $this->dispatcher) { |
||
| 838 | return $command->run($input, $output); |
||
| 839 | } |
||
| 840 | |||
| 841 | $event = new ConsoleCommandEvent($command, $input, $output); |
||
| 842 | $this->dispatcher->dispatch(ConsoleEvents::COMMAND, $event); |
||
| 843 | |||
| 844 | if ($event->commandShouldRun()) { |
||
| 845 | try { |
||
| 846 | $exitCode = $command->run($input, $output); |
||
| 847 | } catch (\Exception $e) { |
||
| 848 | $event = new ConsoleExceptionEvent($command, $input, $output, $e, $e->getCode()); |
||
| 849 | $this->dispatcher->dispatch(ConsoleEvents::EXCEPTION, $event); |
||
| 850 | |||
| 851 | $e = $event->getException(); |
||
| 852 | |||
| 853 | $event = new ConsoleTerminateEvent($command, $input, $output, $e->getCode()); |
||
| 854 | $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event); |
||
| 855 | |||
| 856 | throw $e; |
||
| 857 | } |
||
| 858 | } else { |
||
| 859 | $exitCode = ConsoleCommandEvent::RETURN_CODE_DISABLED; |
||
| 860 | } |
||
| 861 | |||
| 862 | $event = new ConsoleTerminateEvent($command, $input, $output, $exitCode); |
||
| 863 | $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event); |
||
| 864 | |||
| 865 | return $event->getExitCode(); |
||
| 866 | } |
||
| 867 | |||
| 868 | /** |
||
| 869 | * Gets the name of the command based on input. |
||
| 870 | * |
||
| 871 | * @param InputInterface $input The input interface |
||
| 872 | * |
||
| 873 | * @return string The command name |
||
| 874 | */ |
||
| 875 | protected function getCommandName(InputInterface $input) |
||
| 876 | { |
||
| 877 | return $input->getFirstArgument(); |
||
| 878 | } |
||
| 879 | |||
| 880 | /** |
||
| 881 | * Gets the default input definition. |
||
| 882 | * |
||
| 883 | * @return InputDefinition An InputDefinition instance |
||
| 884 | */ |
||
| 885 | protected function getDefaultInputDefinition() |
||
| 886 | { |
||
| 887 | return new InputDefinition(array( |
||
| 888 | new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'), |
||
| 889 | |||
| 890 | new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display this help message'), |
||
| 891 | new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'), |
||
| 892 | new InputOption('--verbose', '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'), |
||
| 893 | new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version'), |
||
| 894 | new InputOption('--ansi', '', InputOption::VALUE_NONE, 'Force ANSI output'), |
||
| 895 | new InputOption('--no-ansi', '', InputOption::VALUE_NONE, 'Disable ANSI output'), |
||
| 896 | new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'), |
||
| 897 | )); |
||
| 898 | } |
||
| 899 | |||
| 900 | /** |
||
| 901 | * Gets the default commands that should always be available. |
||
| 902 | * |
||
| 903 | * @return Command[] An array of default Command instances |
||
| 904 | */ |
||
| 905 | protected function getDefaultCommands() |
||
| 906 | { |
||
| 907 | return array(new HelpCommand(), new ListCommand()); |
||
| 908 | } |
||
| 909 | |||
| 910 | /** |
||
| 911 | * Gets the default helper set with the helpers that should always be available. |
||
| 912 | * |
||
| 913 | * @return HelperSet A HelperSet instance |
||
| 914 | */ |
||
| 915 | protected function getDefaultHelperSet() |
||
| 916 | { |
||
| 917 | return new HelperSet(array( |
||
| 918 | new FormatterHelper(), |
||
| 919 | new DialogHelper(false), |
||
| 920 | new ProgressHelper(false), |
||
| 921 | new TableHelper(false), |
||
| 922 | new DebugFormatterHelper(), |
||
| 923 | new ProcessHelper(), |
||
| 924 | new QuestionHelper(), |
||
| 925 | )); |
||
| 926 | } |
||
| 927 | |||
| 928 | /** |
||
| 929 | * Runs and parses stty -a if it's available, suppressing any error output. |
||
| 930 | * |
||
| 931 | * @return string |
||
| 932 | */ |
||
| 933 | private function getSttyColumns() |
||
| 934 | { |
||
| 935 | if (!function_exists('proc_open')) { |
||
| 936 | return; |
||
| 937 | } |
||
| 938 | |||
| 939 | $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w')); |
||
| 940 | $process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => true)); |
||
| 941 | if (is_resource($process)) { |
||
| 942 | $info = stream_get_contents($pipes[1]); |
||
| 943 | fclose($pipes[1]); |
||
| 944 | fclose($pipes[2]); |
||
| 945 | proc_close($process); |
||
| 946 | |||
| 947 | return $info; |
||
| 948 | } |
||
| 949 | } |
||
| 950 | |||
| 951 | /** |
||
| 952 | * Runs and parses mode CON if it's available, suppressing any error output. |
||
| 953 | * |
||
| 954 | * @return string <width>x<height> or null if it could not be parsed |
||
| 955 | */ |
||
| 956 | private function getConsoleMode() |
||
| 957 | { |
||
| 958 | if (!function_exists('proc_open')) { |
||
| 959 | return; |
||
| 960 | } |
||
| 961 | |||
| 962 | $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w')); |
||
| 963 | $process = proc_open('mode CON', $descriptorspec, $pipes, null, null, array('suppress_errors' => true)); |
||
| 964 | if (is_resource($process)) { |
||
| 965 | $info = stream_get_contents($pipes[1]); |
||
| 966 | fclose($pipes[1]); |
||
| 967 | fclose($pipes[2]); |
||
| 968 | proc_close($process); |
||
| 969 | |||
| 970 | if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) { |
||
| 971 | return $matches[2].'x'.$matches[1]; |
||
| 972 | } |
||
| 973 | } |
||
| 974 | } |
||
| 975 | |||
| 976 | /** |
||
| 977 | * Returns abbreviated suggestions in string format. |
||
| 978 | * |
||
| 979 | * @param array $abbrevs Abbreviated suggestions to convert |
||
| 980 | * |
||
| 981 | * @return string A formatted string of abbreviated suggestions |
||
| 982 | */ |
||
| 983 | private function getAbbreviationSuggestions($abbrevs) |
||
| 984 | { |
||
| 985 | return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : ''); |
||
| 986 | } |
||
| 987 | |||
| 988 | /** |
||
| 989 | * Returns the namespace part of the command name. |
||
| 990 | * |
||
| 991 | * This method is not part of public API and should not be used directly. |
||
| 992 | * |
||
| 993 | * @param string $name The full name of the command |
||
| 994 | * @param string $limit The maximum number of parts of the namespace |
||
| 995 | * |
||
| 996 | * @return string The namespace of the command |
||
| 997 | */ |
||
| 998 | public function extractNamespace($name, $limit = null) |
||
| 999 | { |
||
| 1000 | $parts = explode(':', $name); |
||
| 1001 | array_pop($parts); |
||
| 1002 | |||
| 1003 | return implode(':', null === $limit ? $parts : array_slice($parts, 0, $limit)); |
||
| 1004 | } |
||
| 1005 | |||
| 1006 | /** |
||
| 1007 | * Finds alternative of $name among $collection, |
||
| 1008 | * if nothing is found in $collection, try in $abbrevs. |
||
| 1009 | * |
||
| 1010 | * @param string $name The string |
||
| 1011 | * @param array|\Traversable $collection The collection |
||
| 1012 | * |
||
| 1013 | * @return array A sorted array of similar string |
||
| 1014 | */ |
||
| 1015 | private function findAlternatives($name, $collection) |
||
| 1016 | { |
||
| 1017 | $threshold = 1e3; |
||
| 1018 | $alternatives = array(); |
||
| 1019 | |||
| 1020 | $collectionParts = array(); |
||
| 1021 | foreach ($collection as $item) { |
||
| 1022 | $collectionParts[$item] = explode(':', $item); |
||
| 1023 | } |
||
| 1024 | |||
| 1025 | foreach (explode(':', $name) as $i => $subname) { |
||
| 1026 | foreach ($collectionParts as $collectionName => $parts) { |
||
| 1027 | $exists = isset($alternatives[$collectionName]); |
||
| 1028 | if (!isset($parts[$i]) && $exists) { |
||
| 1029 | $alternatives[$collectionName] += $threshold; |
||
| 1030 | continue; |
||
| 1031 | } elseif (!isset($parts[$i])) { |
||
| 1032 | continue; |
||
| 1033 | } |
||
| 1034 | |||
| 1035 | $lev = levenshtein($subname, $parts[$i]); |
||
| 1036 | if ($lev <= strlen($subname) / 3 || '' !== $subname && false !== strpos($parts[$i], $subname)) { |
||
| 1037 | $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev; |
||
| 1038 | } elseif ($exists) { |
||
| 1039 | $alternatives[$collectionName] += $threshold; |
||
| 1040 | } |
||
| 1041 | } |
||
| 1042 | } |
||
| 1043 | |||
| 1044 | foreach ($collection as $item) { |
||
| 1045 | $lev = levenshtein($name, $item); |
||
| 1046 | if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) { |
||
| 1047 | $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev; |
||
| 1048 | } |
||
| 1049 | } |
||
| 1050 | |||
| 1051 | $alternatives = array_filter($alternatives, function ($lev) use ($threshold) { return $lev < 2 * $threshold; }); |
||
| 1052 | asort($alternatives); |
||
| 1053 | |||
| 1054 | return array_keys($alternatives); |
||
| 1055 | } |
||
| 1056 | |||
| 1057 | /** |
||
| 1058 | * Sets the default Command name. |
||
| 1059 | * |
||
| 1060 | * @param string $commandName The Command name |
||
| 1061 | */ |
||
| 1062 | public function setDefaultCommand($commandName) |
||
| 1063 | { |
||
| 1064 | $this->defaultCommand = $commandName; |
||
| 1065 | } |
||
| 1066 | |||
| 1067 | private function stringWidth($string) |
||
| 1068 | { |
||
| 1069 | if (!function_exists('mb_strwidth')) { |
||
| 1070 | return strlen($string); |
||
| 1071 | } |
||
| 1072 | |||
| 1073 | if (false === $encoding = mb_detect_encoding($string)) { |
||
| 1074 | return strlen($string); |
||
| 1075 | } |
||
| 1076 | |||
| 1077 | return mb_strwidth($string, $encoding); |
||
| 1078 | } |
||
| 1079 | |||
| 1080 | private function splitStringByWidth($string, $width) |
||
| 1081 | { |
||
| 1082 | // str_split is not suitable for multi-byte characters, we should use preg_split to get char array properly. |
||
| 1083 | // additionally, array_slice() is not enough as some character has doubled width. |
||
| 1084 | // we need a function to split string not by character count but by string width |
||
| 1085 | |||
| 1086 | if (!function_exists('mb_strwidth')) { |
||
| 1087 | return str_split($string, $width); |
||
| 1088 | } |
||
| 1089 | |||
| 1090 | if (false === $encoding = mb_detect_encoding($string)) { |
||
| 1091 | return str_split($string, $width); |
||
| 1092 | } |
||
| 1093 | |||
| 1094 | $utf8String = mb_convert_encoding($string, 'utf8', $encoding); |
||
| 1095 | $lines = array(); |
||
| 1096 | $line = ''; |
||
| 1097 | foreach (preg_split('//u', $utf8String) as $char) { |
||
| 1098 | // test if $char could be appended to current line |
||
| 1099 | if (mb_strwidth($line.$char, 'utf8') <= $width) { |
||
| 1100 | $line .= $char; |
||
| 1101 | continue; |
||
| 1102 | } |
||
| 1103 | // if not, push current line to array and make new line |
||
| 1104 | $lines[] = str_pad($line, $width); |
||
| 1105 | $line = $char; |
||
| 1106 | } |
||
| 1107 | if ('' !== $line) { |
||
| 1108 | $lines[] = count($lines) ? str_pad($line, $width) : $line; |
||
| 1109 | } |
||
| 1110 | |||
| 1111 | mb_convert_variables($encoding, 'utf8', $lines); |
||
| 1112 | |||
| 1113 | return $lines; |
||
| 1114 | } |
||
| 1115 | |||
| 1116 | /** |
||
| 1117 | * Returns all namespaces of the command name. |
||
| 1118 | * |
||
| 1119 | * @param string $name The full name of the command |
||
| 1120 | * |
||
| 1121 | * @return array The namespaces of the command |
||
| 1122 | */ |
||
| 1123 | private function extractAllNamespaces($name) |
||
| 1124 | { |
||
| 1125 | // -1 as third argument is needed to skip the command short name when exploding |
||
| 1126 | $parts = explode(':', $name, -1); |
||
| 1127 | $namespaces = array(); |
||
| 1128 | |||
| 1129 | foreach ($parts as $part) { |
||
| 1130 | if (count($namespaces)) { |
||
| 1131 | $namespaces[] = end($namespaces).':'.$part; |
||
| 1132 | } else { |
||
| 1133 | $namespaces[] = $part; |
||
| 1134 | } |
||
| 1135 | } |
||
| 1136 | |||
| 1137 | return $namespaces; |
||
| 1138 | } |
||
| 1139 | } |
||
| 1140 |
