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/vendor/symfony/console/Input/ -> InputDefinition.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Console\Input;
  13  
  14  use Symfony\Component\Console\Exception\InvalidArgumentException;
  15  use Symfony\Component\Console\Exception\LogicException;
  16  
  17  /**
  18   * A InputDefinition represents a set of valid command line arguments and options.
  19   *
  20   * Usage:
  21   *
  22   *     $definition = new InputDefinition([
  23   *         new InputArgument('name', InputArgument::REQUIRED),
  24   *         new InputOption('foo', 'f', InputOption::VALUE_REQUIRED),
  25   *     ]);
  26   *
  27   * @author Fabien Potencier <fabien@symfony.com>
  28   */
  29  class InputDefinition
  30  {
  31      private $arguments;
  32      private $requiredCount;
  33      private $hasAnArrayArgument = false;
  34      private $hasOptional;
  35      private $options;
  36      private $shortcuts;
  37  
  38      /**
  39       * @param array $definition An array of InputArgument and InputOption instance
  40       */
  41      public function __construct(array $definition = [])
  42      {
  43          $this->setDefinition($definition);
  44      }
  45  
  46      /**
  47       * Sets the definition of the input.
  48       */
  49      public function setDefinition(array $definition)
  50      {
  51          $arguments = [];
  52          $options = [];
  53          foreach ($definition as $item) {
  54              if ($item instanceof InputOption) {
  55                  $options[] = $item;
  56              } else {
  57                  $arguments[] = $item;
  58              }
  59          }
  60  
  61          $this->setArguments($arguments);
  62          $this->setOptions($options);
  63      }
  64  
  65      /**
  66       * Sets the InputArgument objects.
  67       *
  68       * @param InputArgument[] $arguments An array of InputArgument objects
  69       */
  70      public function setArguments($arguments = [])
  71      {
  72          $this->arguments = [];
  73          $this->requiredCount = 0;
  74          $this->hasOptional = false;
  75          $this->hasAnArrayArgument = false;
  76          $this->addArguments($arguments);
  77      }
  78  
  79      /**
  80       * Adds an array of InputArgument objects.
  81       *
  82       * @param InputArgument[] $arguments An array of InputArgument objects
  83       */
  84      public function addArguments($arguments = [])
  85      {
  86          if (null !== $arguments) {
  87              foreach ($arguments as $argument) {
  88                  $this->addArgument($argument);
  89              }
  90          }
  91      }
  92  
  93      /**
  94       * @throws LogicException When incorrect argument is given
  95       */
  96      public function addArgument(InputArgument $argument)
  97      {
  98          if (isset($this->arguments[$argument->getName()])) {
  99              throw new LogicException(sprintf('An argument with name "%s" already exists.', $argument->getName()));
 100          }
 101  
 102          if ($this->hasAnArrayArgument) {
 103              throw new LogicException('Cannot add an argument after an array argument.');
 104          }
 105  
 106          if ($argument->isRequired() && $this->hasOptional) {
 107              throw new LogicException('Cannot add a required argument after an optional one.');
 108          }
 109  
 110          if ($argument->isArray()) {
 111              $this->hasAnArrayArgument = true;
 112          }
 113  
 114          if ($argument->isRequired()) {
 115              ++$this->requiredCount;
 116          } else {
 117              $this->hasOptional = true;
 118          }
 119  
 120          $this->arguments[$argument->getName()] = $argument;
 121      }
 122  
 123      /**
 124       * Returns an InputArgument by name or by position.
 125       *
 126       * @param string|int $name The InputArgument name or position
 127       *
 128       * @return InputArgument An InputArgument object
 129       *
 130       * @throws InvalidArgumentException When argument given doesn't exist
 131       */
 132      public function getArgument($name)
 133      {
 134          if (!$this->hasArgument($name)) {
 135              throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
 136          }
 137  
 138          $arguments = \is_int($name) ? array_values($this->arguments) : $this->arguments;
 139  
 140          return $arguments[$name];
 141      }
 142  
 143      /**
 144       * Returns true if an InputArgument object exists by name or position.
 145       *
 146       * @param string|int $name The InputArgument name or position
 147       *
 148       * @return bool true if the InputArgument object exists, false otherwise
 149       */
 150      public function hasArgument($name)
 151      {
 152          $arguments = \is_int($name) ? array_values($this->arguments) : $this->arguments;
 153  
 154          return isset($arguments[$name]);
 155      }
 156  
 157      /**
 158       * Gets the array of InputArgument objects.
 159       *
 160       * @return InputArgument[] An array of InputArgument objects
 161       */
 162      public function getArguments()
 163      {
 164          return $this->arguments;
 165      }
 166  
 167      /**
 168       * Returns the number of InputArguments.
 169       *
 170       * @return int The number of InputArguments
 171       */
 172      public function getArgumentCount()
 173      {
 174          return $this->hasAnArrayArgument ? \PHP_INT_MAX : \count($this->arguments);
 175      }
 176  
 177      /**
 178       * Returns the number of required InputArguments.
 179       *
 180       * @return int The number of required InputArguments
 181       */
 182      public function getArgumentRequiredCount()
 183      {
 184          return $this->requiredCount;
 185      }
 186  
 187      /**
 188       * Gets the default values.
 189       *
 190       * @return array An array of default values
 191       */
 192      public function getArgumentDefaults()
 193      {
 194          $values = [];
 195          foreach ($this->arguments as $argument) {
 196              $values[$argument->getName()] = $argument->getDefault();
 197          }
 198  
 199          return $values;
 200      }
 201  
 202      /**
 203       * Sets the InputOption objects.
 204       *
 205       * @param InputOption[] $options An array of InputOption objects
 206       */
 207      public function setOptions($options = [])
 208      {
 209          $this->options = [];
 210          $this->shortcuts = [];
 211          $this->addOptions($options);
 212      }
 213  
 214      /**
 215       * Adds an array of InputOption objects.
 216       *
 217       * @param InputOption[] $options An array of InputOption objects
 218       */
 219      public function addOptions($options = [])
 220      {
 221          foreach ($options as $option) {
 222              $this->addOption($option);
 223          }
 224      }
 225  
 226      /**
 227       * @throws LogicException When option given already exist
 228       */
 229      public function addOption(InputOption $option)
 230      {
 231          if (isset($this->options[$option->getName()]) && !$option->equals($this->options[$option->getName()])) {
 232              throw new LogicException(sprintf('An option named "%s" already exists.', $option->getName()));
 233          }
 234  
 235          if ($option->getShortcut()) {
 236              foreach (explode('|', $option->getShortcut()) as $shortcut) {
 237                  if (isset($this->shortcuts[$shortcut]) && !$option->equals($this->options[$this->shortcuts[$shortcut]])) {
 238                      throw new LogicException(sprintf('An option with shortcut "%s" already exists.', $shortcut));
 239                  }
 240              }
 241          }
 242  
 243          $this->options[$option->getName()] = $option;
 244          if ($option->getShortcut()) {
 245              foreach (explode('|', $option->getShortcut()) as $shortcut) {
 246                  $this->shortcuts[$shortcut] = $option->getName();
 247              }
 248          }
 249      }
 250  
 251      /**
 252       * Returns an InputOption by name.
 253       *
 254       * @param string $name The InputOption name
 255       *
 256       * @return InputOption A InputOption object
 257       *
 258       * @throws InvalidArgumentException When option given doesn't exist
 259       */
 260      public function getOption($name)
 261      {
 262          if (!$this->hasOption($name)) {
 263              throw new InvalidArgumentException(sprintf('The "--%s" option does not exist.', $name));
 264          }
 265  
 266          return $this->options[$name];
 267      }
 268  
 269      /**
 270       * Returns true if an InputOption object exists by name.
 271       *
 272       * This method can't be used to check if the user included the option when
 273       * executing the command (use getOption() instead).
 274       *
 275       * @param string $name The InputOption name
 276       *
 277       * @return bool true if the InputOption object exists, false otherwise
 278       */
 279      public function hasOption($name)
 280      {
 281          return isset($this->options[$name]);
 282      }
 283  
 284      /**
 285       * Gets the array of InputOption objects.
 286       *
 287       * @return InputOption[] An array of InputOption objects
 288       */
 289      public function getOptions()
 290      {
 291          return $this->options;
 292      }
 293  
 294      /**
 295       * Returns true if an InputOption object exists by shortcut.
 296       *
 297       * @param string $name The InputOption shortcut
 298       *
 299       * @return bool true if the InputOption object exists, false otherwise
 300       */
 301      public function hasShortcut($name)
 302      {
 303          return isset($this->shortcuts[$name]);
 304      }
 305  
 306      /**
 307       * Gets an InputOption by shortcut.
 308       *
 309       * @param string $shortcut The Shortcut name
 310       *
 311       * @return InputOption An InputOption object
 312       */
 313      public function getOptionForShortcut($shortcut)
 314      {
 315          return $this->getOption($this->shortcutToName($shortcut));
 316      }
 317  
 318      /**
 319       * Gets an array of default values.
 320       *
 321       * @return array An array of all default values
 322       */
 323      public function getOptionDefaults()
 324      {
 325          $values = [];
 326          foreach ($this->options as $option) {
 327              $values[$option->getName()] = $option->getDefault();
 328          }
 329  
 330          return $values;
 331      }
 332  
 333      /**
 334       * Returns the InputOption name given a shortcut.
 335       *
 336       * @param string $shortcut The shortcut
 337       *
 338       * @return string The InputOption name
 339       *
 340       * @throws InvalidArgumentException When option given does not exist
 341       *
 342       * @internal
 343       */
 344      public function shortcutToName($shortcut)
 345      {
 346          if (!isset($this->shortcuts[$shortcut])) {
 347              throw new InvalidArgumentException(sprintf('The "-%s" option does not exist.', $shortcut));
 348          }
 349  
 350          return $this->shortcuts[$shortcut];
 351      }
 352  
 353      /**
 354       * Gets the synopsis.
 355       *
 356       * @param bool $short Whether to return the short version (with options folded) or not
 357       *
 358       * @return string The synopsis
 359       */
 360      public function getSynopsis($short = false)
 361      {
 362          $elements = [];
 363  
 364          if ($short && $this->getOptions()) {
 365              $elements[] = '[options]';
 366          } elseif (!$short) {
 367              foreach ($this->getOptions() as $option) {
 368                  $value = '';
 369                  if ($option->acceptValue()) {
 370                      $value = sprintf(
 371                          ' %s%s%s',
 372                          $option->isValueOptional() ? '[' : '',
 373                          strtoupper($option->getName()),
 374                          $option->isValueOptional() ? ']' : ''
 375                      );
 376                  }
 377  
 378                  $shortcut = $option->getShortcut() ? sprintf('-%s|', $option->getShortcut()) : '';
 379                  $elements[] = sprintf('[%s--%s%s]', $shortcut, $option->getName(), $value);
 380              }
 381          }
 382  
 383          if (\count($elements) && $this->getArguments()) {
 384              $elements[] = '[--]';
 385          }
 386  
 387          foreach ($this->getArguments() as $argument) {
 388              $element = '<'.$argument->getName().'>';
 389              if (!$argument->isRequired()) {
 390                  $element = '['.$element.']';
 391              } elseif ($argument->isArray()) {
 392                  $element .= ' ('.$element.')';
 393              }
 394  
 395              if ($argument->isArray()) {
 396                  $element .= '...';
 397              }
 398  
 399              $elements[] = $element;
 400          }
 401  
 402          return implode(' ', $elements);
 403      }
 404  }


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