412 lines
11 KiB
PHP
412 lines
11 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Input;
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use Symfony\Component\Console\Exception\InvalidArgumentException;
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use Symfony\Component\Console\Exception\LogicException;
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/**
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* A InputDefinition represents a set of valid command line arguments and options.
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*
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* Usage:
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*
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* $definition = new InputDefinition(array(
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* new InputArgument('name', InputArgument::REQUIRED),
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* new InputOption('foo', 'f', InputOption::VALUE_REQUIRED),
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* ));
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class InputDefinition
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{
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private $arguments;
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private $requiredCount;
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private $hasAnArrayArgument = false;
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private $hasOptional;
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private $options;
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private $shortcuts;
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/**
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* Constructor.
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*
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* @param array $definition An array of InputArgument and InputOption instance
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*/
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public function __construct(array $definition = array())
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{
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$this->setDefinition($definition);
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}
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/**
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* Sets the definition of the input.
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*
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* @param array $definition The definition array
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*/
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public function setDefinition(array $definition)
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{
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$arguments = array();
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$options = array();
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foreach ($definition as $item) {
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if ($item instanceof InputOption) {
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$options[] = $item;
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} else {
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$arguments[] = $item;
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}
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}
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$this->setArguments($arguments);
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$this->setOptions($options);
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}
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/**
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* Sets the InputArgument objects.
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*
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* @param InputArgument[] $arguments An array of InputArgument objects
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*/
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public function setArguments($arguments = array())
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{
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$this->arguments = array();
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$this->requiredCount = 0;
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$this->hasOptional = false;
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$this->hasAnArrayArgument = false;
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$this->addArguments($arguments);
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}
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/**
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* Adds an array of InputArgument objects.
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*
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* @param InputArgument[] $arguments An array of InputArgument objects
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*/
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public function addArguments($arguments = array())
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{
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if (null !== $arguments) {
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foreach ($arguments as $argument) {
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$this->addArgument($argument);
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}
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}
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}
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/**
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* Adds an InputArgument object.
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*
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* @param InputArgument $argument An InputArgument object
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*
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* @throws LogicException When incorrect argument is given
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*/
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public function addArgument(InputArgument $argument)
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{
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if (isset($this->arguments[$argument->getName()])) {
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throw new LogicException(sprintf('An argument with name "%s" already exists.', $argument->getName()));
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}
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if ($this->hasAnArrayArgument) {
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throw new LogicException('Cannot add an argument after an array argument.');
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}
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if ($argument->isRequired() && $this->hasOptional) {
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throw new LogicException('Cannot add a required argument after an optional one.');
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}
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if ($argument->isArray()) {
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$this->hasAnArrayArgument = true;
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}
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if ($argument->isRequired()) {
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++$this->requiredCount;
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} else {
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$this->hasOptional = true;
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}
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$this->arguments[$argument->getName()] = $argument;
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}
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/**
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* Returns an InputArgument by name or by position.
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*
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* @param string|int $name The InputArgument name or position
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*
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* @return InputArgument An InputArgument object
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*
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* @throws InvalidArgumentException When argument given doesn't exist
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*/
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public function getArgument($name)
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{
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if (!$this->hasArgument($name)) {
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throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
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}
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$arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
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return $arguments[$name];
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}
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/**
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* Returns true if an InputArgument object exists by name or position.
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*
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* @param string|int $name The InputArgument name or position
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*
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* @return bool true if the InputArgument object exists, false otherwise
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*/
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public function hasArgument($name)
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{
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$arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
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return isset($arguments[$name]);
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}
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/**
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* Gets the array of InputArgument objects.
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*
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* @return InputArgument[] An array of InputArgument objects
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*/
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public function getArguments()
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{
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return $this->arguments;
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}
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/**
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* Returns the number of InputArguments.
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*
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* @return int The number of InputArguments
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*/
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public function getArgumentCount()
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{
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return $this->hasAnArrayArgument ? PHP_INT_MAX : count($this->arguments);
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}
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/**
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* Returns the number of required InputArguments.
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*
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* @return int The number of required InputArguments
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*/
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public function getArgumentRequiredCount()
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{
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return $this->requiredCount;
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}
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/**
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* Gets the default values.
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*
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* @return array An array of default values
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*/
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public function getArgumentDefaults()
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{
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$values = array();
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foreach ($this->arguments as $argument) {
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$values[$argument->getName()] = $argument->getDefault();
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}
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return $values;
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}
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/**
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* Sets the InputOption objects.
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*
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* @param InputOption[] $options An array of InputOption objects
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*/
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public function setOptions($options = array())
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{
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$this->options = array();
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$this->shortcuts = array();
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$this->addOptions($options);
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}
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/**
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* Adds an array of InputOption objects.
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*
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* @param InputOption[] $options An array of InputOption objects
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*/
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public function addOptions($options = array())
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{
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foreach ($options as $option) {
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$this->addOption($option);
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}
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}
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/**
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* Adds an InputOption object.
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*
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* @param InputOption $option An InputOption object
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*
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* @throws LogicException When option given already exist
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*/
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public function addOption(InputOption $option)
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{
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if (isset($this->options[$option->getName()]) && !$option->equals($this->options[$option->getName()])) {
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throw new LogicException(sprintf('An option named "%s" already exists.', $option->getName()));
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}
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if ($option->getShortcut()) {
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foreach (explode('|', $option->getShortcut()) as $shortcut) {
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if (isset($this->shortcuts[$shortcut]) && !$option->equals($this->options[$this->shortcuts[$shortcut]])) {
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throw new LogicException(sprintf('An option with shortcut "%s" already exists.', $shortcut));
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}
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}
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}
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$this->options[$option->getName()] = $option;
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if ($option->getShortcut()) {
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foreach (explode('|', $option->getShortcut()) as $shortcut) {
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$this->shortcuts[$shortcut] = $option->getName();
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}
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}
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}
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/**
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* Returns an InputOption by name.
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*
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* @param string $name The InputOption name
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*
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* @return InputOption A InputOption object
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*
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* @throws InvalidArgumentException When option given doesn't exist
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*/
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public function getOption($name)
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{
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if (!$this->hasOption($name)) {
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throw new InvalidArgumentException(sprintf('The "--%s" option does not exist.', $name));
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}
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return $this->options[$name];
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}
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/**
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* Returns true if an InputOption object exists by name.
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*
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* @param string $name The InputOption name
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*
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* @return bool true if the InputOption object exists, false otherwise
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*/
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public function hasOption($name)
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{
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return isset($this->options[$name]);
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}
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/**
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* Gets the array of InputOption objects.
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*
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* @return InputOption[] An array of InputOption objects
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*/
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public function getOptions()
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{
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return $this->options;
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}
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/**
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* Returns true if an InputOption object exists by shortcut.
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*
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* @param string $name The InputOption shortcut
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*
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* @return bool true if the InputOption object exists, false otherwise
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*/
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public function hasShortcut($name)
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{
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return isset($this->shortcuts[$name]);
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}
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/**
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* Gets an InputOption by shortcut.
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*
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* @param string $shortcut the Shortcut name
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*
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* @return InputOption An InputOption object
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*/
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public function getOptionForShortcut($shortcut)
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{
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return $this->getOption($this->shortcutToName($shortcut));
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}
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/**
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* Gets an array of default values.
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*
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* @return array An array of all default values
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*/
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public function getOptionDefaults()
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{
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$values = array();
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foreach ($this->options as $option) {
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$values[$option->getName()] = $option->getDefault();
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}
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return $values;
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}
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/**
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* Returns the InputOption name given a shortcut.
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*
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* @param string $shortcut The shortcut
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*
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* @return string The InputOption name
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*
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* @throws InvalidArgumentException When option given does not exist
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*/
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private function shortcutToName($shortcut)
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{
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if (!isset($this->shortcuts[$shortcut])) {
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throw new InvalidArgumentException(sprintf('The "-%s" option does not exist.', $shortcut));
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}
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return $this->shortcuts[$shortcut];
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}
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/**
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* Gets the synopsis.
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*
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* @param bool $short Whether to return the short version (with options folded) or not
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*
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* @return string The synopsis
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*/
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public function getSynopsis($short = false)
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{
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$elements = array();
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if ($short && $this->getOptions()) {
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$elements[] = '[options]';
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} elseif (!$short) {
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foreach ($this->getOptions() as $option) {
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$value = '';
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if ($option->acceptValue()) {
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$value = sprintf(
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' %s%s%s',
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$option->isValueOptional() ? '[' : '',
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strtoupper($option->getName()),
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$option->isValueOptional() ? ']' : ''
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);
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}
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$shortcut = $option->getShortcut() ? sprintf('-%s|', $option->getShortcut()) : '';
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$elements[] = sprintf('[%s--%s%s]', $shortcut, $option->getName(), $value);
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}
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}
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if (count($elements) && $this->getArguments()) {
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$elements[] = '[--]';
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}
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foreach ($this->getArguments() as $argument) {
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$element = '<'.$argument->getName().'>';
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if (!$argument->isRequired()) {
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$element = '['.$element.']';
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} elseif ($argument->isArray()) {
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$element = $element.' ('.$element.')';
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}
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if ($argument->isArray()) {
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$element .= '...';
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}
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$elements[] = $element;
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}
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return implode(' ', $elements);
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}
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}
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