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