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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Input;
/**
* 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 <fabien@symfony.com>
*
* @api
*/
class InputDefinition
{
private $arguments;
private $requiredCount;
private $hasAnArrayArgument = false;
private $hasOptional;
private $options;
private $shortcuts;
/**
* Constructor.
*
* @param array $definition An array of InputArgument and InputOption instance
*
* @api
*/
public function __construct(array $definition = array())
{
$this->setDefinition($definition);
}
/**
* Sets the definition of the input.
*
* @param array $definition The definition array
*
* @api
*/
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 array $arguments An array of InputArgument objects
*
* @api
*/
public function setArguments($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[] $arguments An array of InputArgument objects
*
* @api
*/
public function addArguments($arguments = array())
{
if (null !== $arguments) {
foreach ($arguments as $argument) {
$this->addArgument($argument);
}
}
}
/**
* Adds an InputArgument object.
*
* @param InputArgument $argument An InputArgument object
*
* @throws \LogicException When incorrect argument is given
*
* @api
*/
public function addArgument(InputArgument $argument)
{
if (isset($this->arguments[$argument->getName()])) {
throw new \LogicException(sprintf('An argument with name "%s" already exist.', $argument->getName()));
}
if ($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|integer $name The InputArgument name or position
*
* @return InputArgument An InputArgument object
*
* @throws \InvalidArgumentException When argument given doesn't exist
*
* @api
*/
public function getArgument($name)
{
$arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
if (!$this->hasArgument($name)) {
throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
}
return $arguments[$name];
}
/**
* Returns true if an InputArgument object exists by name or position.
*
* @param string|integer $name The InputArgument name or position
*
* @return Boolean true if the InputArgument object exists, false otherwise
*
* @api
*/
public function hasArgument($name)
{
$arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
return isset($arguments[$name]);
}
/**
* Gets the array of InputArgument objects.
*
* @return array An array of InputArgument objects
*
* @api
*/
public function getArguments()
{
return $this->arguments;
}
/**
* Returns the number of InputArguments.
*
* @return integer The number of InputArguments
*/
public function getArgumentCount()
{
return $this->hasAnArrayArgument ? PHP_INT_MAX : count($this->arguments);
}
/**
* Returns the number of required InputArguments.
*
* @return integer 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 array $options An array of InputOption objects
*
* @api
*/
public function setOptions($options = array())
{
$this->options = array();
$this->shortcuts = array();
$this->addOptions($options);
}
/**
* Adds an array of InputOption objects.
*
* @param InputOption[] $options An array of InputOption objects
*
* @api
*/
public function addOptions($options = array())
{
foreach ($options as $option) {
$this->addOption($option);
}
}
/**
* Adds an InputOption object.
*
* @param InputOption $option An InputOption object
*
* @throws \LogicException When option given already exist
*
* @api
*/
public function addOption(InputOption $option)
{
if (isset($this->options[$option->getName()])) {
throw new \LogicException(sprintf('An option named "%s" already exist.', $option->getName()));
} elseif (isset($this->shortcuts[$option->getShortcut()])) {
throw new \LogicException(sprintf('An option with shortcut "%s" already exist.', $option->getShortcut()));
}
$this->options[$option->getName()] = $option;
if ($option->getShortcut()) {
$this->shortcuts[$option->getShortcut()] = $option->getName();
}
}
/**
* Returns an InputOption by name.
*
* @param string $name The InputOption name
*
* @return InputOption A InputOption object
*
* @api
*/
public function getOption($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.
*
* @param string $name The InputOption name
*
* @return Boolean true if the InputOption object exists, false otherwise
*
* @api
*/
public function hasOption($name)
{
return isset($this->options[$name]);
}
/**
* Gets the array of InputOption objects.
*
* @return array An array of InputOption objects
*
* @api
*/
public function getOptions()
{
return $this->options;
}
/**
* Returns true if an InputOption object exists by shortcut.
*
* @param string $name The InputOption shortcut
*
* @return Boolean true if the InputOption object exists, false otherwise
*/
public function hasShortcut($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.
*
* @return string The synopsis
*/
public function getSynopsis()
{
$elements = array();
foreach ($this->getOptions() as $option) {
$shortcut = $option->getShortcut() ? sprintf('-%s|', $option->getShortcut()) : '';
$elements[] = sprintf('['.($option->isValueRequired() ? '%s--%s="..."' : ($option->isValueOptional() ? '%s--%s[="..."]' : '%s--%s')).']', $shortcut, $option->getName());
}
foreach ($this->getArguments() as $argument) {
$elements[] = sprintf($argument->isRequired() ? '%s' : '[%s]', $argument->getName().($argument->isArray() ? '1' : ''));
if ($argument->isArray()) {
$elements[] = sprintf('... [%sN]', $argument->getName());
}
}
return implode(' ', $elements);
}
/**
* Returns a textual representation of the InputDefinition.
*
* @return string A string representing the InputDefinition
*/
public function asText()
{
// find the largest option or argument name
$max = 0;
foreach ($this->getOptions() as $option) {
$nameLength = strlen($option->getName()) + 2;
if ($option->getShortcut()) {
$nameLength += strlen($option->getShortcut()) + 3;
}
$max = max($max, $nameLength);
}
foreach ($this->getArguments() as $argument) {
$max = max($max, strlen($argument->getName()));
}
++$max;
$text = array();
if ($this->getArguments()) {
$text[] = '<comment>Arguments:</comment>';
foreach ($this->getArguments() as $argument) {
if (null !== $argument->getDefault() && (!is_array($argument->getDefault()) || count($argument->getDefault()))) {
$default = sprintf('<comment> (default: %s)</comment>', is_bool($argument->getDefault()) || is_array($argument->getDefault()) ? str_replace("\n", '', var_export($argument->getDefault(), true)): $argument->getDefault());
} else {
$default = '';
}
$description = str_replace("\n", "\n".str_pad('', $max + 2, ' '), $argument->getDescription());
$text[] = sprintf(" <info>%-${max}s</info> %s%s", $argument->getName(), $description, $default);
}
$text[] = '';
}
if ($this->getOptions()) {
$text[] = '<comment>Options:</comment>';
foreach ($this->getOptions() as $option) {
if ($option->acceptValue() && null !== $option->getDefault() && (!is_array($option->getDefault()) || count($option->getDefault()))) {
$default = sprintf('<comment> (default: %s)</comment>', is_bool($option->getDefault()) || is_array($option->getDefault()) ? str_replace("\n", '', var_export($option->getDefault(), true)): $option->getDefault());
} else {
$default = '';
}
$multiple = $option->isArray() ? '<comment> (multiple values allowed)</comment>' : '';
$description = str_replace("\n", "\n".str_pad('', $max + 2, ' '), $option->getDescription());
$optionMax = $max - strlen($option->getName()) - 2;
$text[] = sprintf(" <info>%s</info> %-${optionMax}s%s%s%s",
'--'.$option->getName(),
$option->getShortcut() ? sprintf('(-%s) ', $option->getShortcut()) : '',
$description,
$default,
$multiple
);
}
$text[] = '';
}
return implode("\n", $text);
}
/**
* Returns an XML representation of the InputDefinition.
*
* @param Boolean $asDom Whether to return a DOM or an XML string
*
* @return string|DOMDocument An XML string representing the InputDefinition
*/
public function asXml($asDom = false)
{
$dom = new \DOMDocument('1.0', 'UTF-8');
$dom->formatOutput = true;
$dom->appendChild($definitionXML = $dom->createElement('definition'));
$definitionXML->appendChild($argumentsXML = $dom->createElement('arguments'));
foreach ($this->getArguments() as $argument) {
$argumentsXML->appendChild($argumentXML = $dom->createElement('argument'));
$argumentXML->setAttribute('name', $argument->getName());
$argumentXML->setAttribute('is_required', $argument->isRequired() ? 1 : 0);
$argumentXML->setAttribute('is_array', $argument->isArray() ? 1 : 0);
$argumentXML->appendChild($descriptionXML = $dom->createElement('description'));
$descriptionXML->appendChild($dom->createTextNode($argument->getDescription()));
$argumentXML->appendChild($defaultsXML = $dom->createElement('defaults'));
$defaults = is_array($argument->getDefault()) ? $argument->getDefault() : (is_bool($argument->getDefault()) ? array(var_export($argument->getDefault(), true)) : ($argument->getDefault() ? array($argument->getDefault()) : array()));
foreach ($defaults as $default) {
$defaultsXML->appendChild($defaultXML = $dom->createElement('default'));
$defaultXML->appendChild($dom->createTextNode($default));
}
}
$definitionXML->appendChild($optionsXML = $dom->createElement('options'));
foreach ($this->getOptions() as $option) {
$optionsXML->appendChild($optionXML = $dom->createElement('option'));
$optionXML->setAttribute('name', '--'.$option->getName());
$optionXML->setAttribute('shortcut', $option->getShortcut() ? '-'.$option->getShortcut() : '');
$optionXML->setAttribute('accept_value', $option->acceptValue() ? 1 : 0);
$optionXML->setAttribute('is_value_required', $option->isValueRequired() ? 1 : 0);
$optionXML->setAttribute('is_multiple', $option->isArray() ? 1 : 0);
$optionXML->appendChild($descriptionXML = $dom->createElement('description'));
$descriptionXML->appendChild($dom->createTextNode($option->getDescription()));
if ($option->acceptValue()) {
$optionXML->appendChild($defaultsXML = $dom->createElement('defaults'));
$defaults = is_array($option->getDefault()) ? $option->getDefault() : (is_bool($option->getDefault()) ? array(var_export($option->getDefault(), true)) : ($option->getDefault() ? array($option->getDefault()) : array()));
foreach ($defaults as $default) {
$defaultsXML->appendChild($defaultXML = $dom->createElement('default'));
$defaultXML->appendChild($dom->createTextNode($default));
}
}
}
return $asDom ? $dom : $dom->saveXml();
}
}
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