--- /dev/null
+<?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;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputDefinition;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Output\Output;
+use Symfony\Component\Console\Output\ConsoleOutput;
+use Symfony\Component\Console\Output\ConsoleOutputInterface;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Command\HelpCommand;
+use Symfony\Component\Console\Command\ListCommand;
+use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Helper\FormatterHelper;
+use Symfony\Component\Console\Helper\DialogHelper;
+
+/**
+ * An Application is the container for a collection of commands.
+ *
+ * It is the main entry point of a Console application.
+ *
+ * This class is optimized for a standard CLI environment.
+ *
+ * Usage:
+ *
+ * $app = new Application('myapp', '1.0 (stable)');
+ * $app->add(new SimpleCommand());
+ * $app->run();
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class Application
+{
+ private $commands;
+ private $wantHelps = false;
+ private $runningCommand;
+ private $name;
+ private $version;
+ private $catchExceptions;
+ private $autoExit;
+ private $definition;
+ private $helperSet;
+
+ /**
+ * Constructor.
+ *
+ * @param string $name The name of the application
+ * @param string $version The version of the application
+ *
+ * @api
+ */
+ public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
+ {
+ $this->name = $name;
+ $this->version = $version;
+ $this->catchExceptions = true;
+ $this->autoExit = true;
+ $this->commands = array();
+ $this->helperSet = $this->getDefaultHelperSet();
+ $this->definition = $this->getDefaultInputDefinition();
+
+ foreach ($this->getDefaultCommands() as $command) {
+ $this->add($command);
+ }
+ }
+
+ /**
+ * Runs the current application.
+ *
+ * @param InputInterface $input An Input instance
+ * @param OutputInterface $output An Output instance
+ *
+ * @return integer 0 if everything went fine, or an error code
+ *
+ * @throws \Exception When doRun returns Exception
+ *
+ * @api
+ */
+ public function run(InputInterface $input = null, OutputInterface $output = null)
+ {
+ if (null === $input) {
+ $input = new ArgvInput();
+ }
+
+ if (null === $output) {
+ $output = new ConsoleOutput();
+ }
+
+ try {
+ $statusCode = $this->doRun($input, $output);
+ } catch (\Exception $e) {
+ if (!$this->catchExceptions) {
+ throw $e;
+ }
+
+ if ($output instanceof ConsoleOutputInterface) {
+ $this->renderException($e, $output->getErrorOutput());
+ } else {
+ $this->renderException($e, $output);
+ }
+ $statusCode = $e->getCode();
+
+ $statusCode = is_numeric($statusCode) && $statusCode ? $statusCode : 1;
+ }
+
+ if ($this->autoExit) {
+ if ($statusCode > 255) {
+ $statusCode = 255;
+ }
+ // @codeCoverageIgnoreStart
+ exit($statusCode);
+ // @codeCoverageIgnoreEnd
+ }
+
+ return $statusCode;
+ }
+
+ /**
+ * Runs the current application.
+ *
+ * @param InputInterface $input An Input instance
+ * @param OutputInterface $output An Output instance
+ *
+ * @return integer 0 if everything went fine, or an error code
+ */
+ public function doRun(InputInterface $input, OutputInterface $output)
+ {
+ $name = $this->getCommandName($input);
+
+ if (true === $input->hasParameterOption(array('--ansi'))) {
+ $output->setDecorated(true);
+ } elseif (true === $input->hasParameterOption(array('--no-ansi'))) {
+ $output->setDecorated(false);
+ }
+
+ if (true === $input->hasParameterOption(array('--help', '-h'))) {
+ if (!$name) {
+ $name = 'help';
+ $input = new ArrayInput(array('command' => 'help'));
+ } else {
+ $this->wantHelps = true;
+ }
+ }
+
+ if (true === $input->hasParameterOption(array('--no-interaction', '-n'))) {
+ $input->setInteractive(false);
+ }
+
+ if (function_exists('posix_isatty') && $this->getHelperSet()->has('dialog')) {
+ $inputStream = $this->getHelperSet()->get('dialog')->getInputStream();
+ if (!posix_isatty($inputStream)) {
+ $input->setInteractive(false);
+ }
+ }
+
+ if (true === $input->hasParameterOption(array('--quiet', '-q'))) {
+ $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
+ } elseif (true === $input->hasParameterOption(array('--verbose', '-v'))) {
+ $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
+ }
+
+ if (true === $input->hasParameterOption(array('--version', '-V'))) {
+ $output->writeln($this->getLongVersion());
+
+ return 0;
+ }
+
+ if (!$name) {
+ $name = 'list';
+ $input = new ArrayInput(array('command' => 'list'));
+ }
+
+ // the command name MUST be the first element of the input
+ $command = $this->find($name);
+
+ $this->runningCommand = $command;
+ $statusCode = $command->run($input, $output);
+ $this->runningCommand = null;
+
+ return is_numeric($statusCode) ? $statusCode : 0;
+ }
+
+ /**
+ * Set a helper set to be used with the command.
+ *
+ * @param HelperSet $helperSet The helper set
+ *
+ * @api
+ */
+ public function setHelperSet(HelperSet $helperSet)
+ {
+ $this->helperSet = $helperSet;
+ }
+
+ /**
+ * Get the helper set associated with the command.
+ *
+ * @return HelperSet The HelperSet instance associated with this command
+ *
+ * @api
+ */
+ public function getHelperSet()
+ {
+ return $this->helperSet;
+ }
+
+ /**
+ * Gets the InputDefinition related to this Application.
+ *
+ * @return InputDefinition The InputDefinition instance
+ */
+ public function getDefinition()
+ {
+ return $this->definition;
+ }
+
+ /**
+ * Gets the help message.
+ *
+ * @return string A help message.
+ */
+ public function getHelp()
+ {
+ $messages = array(
+ $this->getLongVersion(),
+ '',
+ '<comment>Usage:</comment>',
+ sprintf(" [options] command [arguments]\n"),
+ '<comment>Options:</comment>',
+ );
+
+ foreach ($this->getDefinition()->getOptions() as $option) {
+ $messages[] = sprintf(' %-29s %s %s',
+ '<info>--'.$option->getName().'</info>',
+ $option->getShortcut() ? '<info>-'.$option->getShortcut().'</info>' : ' ',
+ $option->getDescription()
+ );
+ }
+
+ return implode(PHP_EOL, $messages);
+ }
+
+ /**
+ * Sets whether to catch exceptions or not during commands execution.
+ *
+ * @param Boolean $boolean Whether to catch exceptions or not during commands execution
+ *
+ * @api
+ */
+ public function setCatchExceptions($boolean)
+ {
+ $this->catchExceptions = (Boolean) $boolean;
+ }
+
+ /**
+ * Sets whether to automatically exit after a command execution or not.
+ *
+ * @param Boolean $boolean Whether to automatically exit after a command execution or not
+ *
+ * @api
+ */
+ public function setAutoExit($boolean)
+ {
+ $this->autoExit = (Boolean) $boolean;
+ }
+
+ /**
+ * Gets the name of the application.
+ *
+ * @return string The application name
+ *
+ * @api
+ */
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Sets the application name.
+ *
+ * @param string $name The application name
+ *
+ * @api
+ */
+ public function setName($name)
+ {
+ $this->name = $name;
+ }
+
+ /**
+ * Gets the application version.
+ *
+ * @return string The application version
+ *
+ * @api
+ */
+ public function getVersion()
+ {
+ return $this->version;
+ }
+
+ /**
+ * Sets the application version.
+ *
+ * @param string $version The application version
+ *
+ * @api
+ */
+ public function setVersion($version)
+ {
+ $this->version = $version;
+ }
+
+ /**
+ * Returns the long version of the application.
+ *
+ * @return string The long application version
+ *
+ * @api
+ */
+ public function getLongVersion()
+ {
+ if ('UNKNOWN' !== $this->getName() && 'UNKNOWN' !== $this->getVersion()) {
+ return sprintf('<info>%s</info> version <comment>%s</comment>', $this->getName(), $this->getVersion());
+ }
+
+ return '<info>Console Tool</info>';
+ }
+
+ /**
+ * Registers a new command.
+ *
+ * @param string $name The command name
+ *
+ * @return Command The newly created command
+ *
+ * @api
+ */
+ public function register($name)
+ {
+ return $this->add(new Command($name));
+ }
+
+ /**
+ * Adds an array of command objects.
+ *
+ * @param Command[] $commands An array of commands
+ *
+ * @api
+ */
+ public function addCommands(array $commands)
+ {
+ foreach ($commands as $command) {
+ $this->add($command);
+ }
+ }
+
+ /**
+ * Adds a command object.
+ *
+ * If a command with the same name already exists, it will be overridden.
+ *
+ * @param Command $command A Command object
+ *
+ * @return Command The registered command
+ *
+ * @api
+ */
+ public function add(Command $command)
+ {
+ $command->setApplication($this);
+
+ if (!$command->isEnabled()) {
+ $command->setApplication(null);
+
+ return;
+ }
+
+ $this->commands[$command->getName()] = $command;
+
+ foreach ($command->getAliases() as $alias) {
+ $this->commands[$alias] = $command;
+ }
+
+ return $command;
+ }
+
+ /**
+ * Returns a registered command by name or alias.
+ *
+ * @param string $name The command name or alias
+ *
+ * @return Command A Command object
+ *
+ * @throws \InvalidArgumentException When command name given does not exist
+ *
+ * @api
+ */
+ public function get($name)
+ {
+ if (!isset($this->commands[$name])) {
+ throw new \InvalidArgumentException(sprintf('The command "%s" does not exist.', $name));
+ }
+
+ $command = $this->commands[$name];
+
+ if ($this->wantHelps) {
+ $this->wantHelps = false;
+
+ $helpCommand = $this->get('help');
+ $helpCommand->setCommand($command);
+
+ return $helpCommand;
+ }
+
+ return $command;
+ }
+
+ /**
+ * Returns true if the command exists, false otherwise.
+ *
+ * @param string $name The command name or alias
+ *
+ * @return Boolean true if the command exists, false otherwise
+ *
+ * @api
+ */
+ public function has($name)
+ {
+ return isset($this->commands[$name]);
+ }
+
+ /**
+ * Returns an array of all unique namespaces used by currently registered commands.
+ *
+ * It does not returns the global namespace which always exists.
+ *
+ * @return array An array of namespaces
+ */
+ public function getNamespaces()
+ {
+ $namespaces = array();
+ foreach ($this->commands as $command) {
+ $namespaces[] = $this->extractNamespace($command->getName());
+
+ foreach ($command->getAliases() as $alias) {
+ $namespaces[] = $this->extractNamespace($alias);
+ }
+ }
+
+ return array_values(array_unique(array_filter($namespaces)));
+ }
+
+ /**
+ * Finds a registered namespace by a name or an abbreviation.
+ *
+ * @param string $namespace A namespace or abbreviation to search for
+ *
+ * @return string A registered namespace
+ *
+ * @throws \InvalidArgumentException When namespace is incorrect or ambiguous
+ */
+ public function findNamespace($namespace)
+ {
+ $allNamespaces = array();
+ foreach ($this->getNamespaces() as $n) {
+ $allNamespaces[$n] = explode(':', $n);
+ }
+
+ $found = array();
+ foreach (explode(':', $namespace) as $i => $part) {
+ $abbrevs = static::getAbbreviations(array_unique(array_values(array_filter(array_map(function ($p) use ($i) { return isset($p[$i]) ? $p[$i] : ''; }, $allNamespaces)))));
+
+ if (!isset($abbrevs[$part])) {
+ $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace);
+
+ if (1 <= $i) {
+ $part = implode(':', $found).':'.$part;
+ }
+
+ if ($alternatives = $this->findAlternativeNamespace($part, $abbrevs)) {
+ if (1 == count($alternatives)) {
+ $message .= "\n\nDid you mean this?\n ";
+ } else {
+ $message .= "\n\nDid you mean one of these?\n ";
+ }
+
+ $message .= implode("\n ", $alternatives);
+ }
+
+ throw new \InvalidArgumentException($message);
+ }
+
+ if (count($abbrevs[$part]) > 1) {
+ throw new \InvalidArgumentException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions($abbrevs[$part])));
+ }
+
+ $found[] = $abbrevs[$part][0];
+ }
+
+ return implode(':', $found);
+ }
+
+ /**
+ * Finds a command by name or alias.
+ *
+ * Contrary to get, this command tries to find the best
+ * match if you give it an abbreviation of a name or alias.
+ *
+ * @param string $name A command name or a command alias
+ *
+ * @return Command A Command instance
+ *
+ * @throws \InvalidArgumentException When command name is incorrect or ambiguous
+ *
+ * @api
+ */
+ public function find($name)
+ {
+ // namespace
+ $namespace = '';
+ $searchName = $name;
+ if (false !== $pos = strrpos($name, ':')) {
+ $namespace = $this->findNamespace(substr($name, 0, $pos));
+ $searchName = $namespace.substr($name, $pos);
+ }
+
+ // name
+ $commands = array();
+ foreach ($this->commands as $command) {
+ if ($this->extractNamespace($command->getName()) == $namespace) {
+ $commands[] = $command->getName();
+ }
+ }
+
+ $abbrevs = static::getAbbreviations(array_unique($commands));
+ if (isset($abbrevs[$searchName]) && 1 == count($abbrevs[$searchName])) {
+ return $this->get($abbrevs[$searchName][0]);
+ }
+
+ if (isset($abbrevs[$searchName]) && count($abbrevs[$searchName]) > 1) {
+ $suggestions = $this->getAbbreviationSuggestions($abbrevs[$searchName]);
+
+ throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $name, $suggestions));
+ }
+
+ // aliases
+ $aliases = array();
+ foreach ($this->commands as $command) {
+ foreach ($command->getAliases() as $alias) {
+ if ($this->extractNamespace($alias) == $namespace) {
+ $aliases[] = $alias;
+ }
+ }
+ }
+
+ $aliases = static::getAbbreviations(array_unique($aliases));
+ if (!isset($aliases[$searchName])) {
+ $message = sprintf('Command "%s" is not defined.', $name);
+
+ if ($alternatives = $this->findAlternativeCommands($searchName, $abbrevs)) {
+ if (1 == count($alternatives)) {
+ $message .= "\n\nDid you mean this?\n ";
+ } else {
+ $message .= "\n\nDid you mean one of these?\n ";
+ }
+ $message .= implode("\n ", $alternatives);
+ }
+
+ throw new \InvalidArgumentException($message);
+ }
+
+ if (count($aliases[$searchName]) > 1) {
+ throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $name, $this->getAbbreviationSuggestions($aliases[$searchName])));
+ }
+
+ return $this->get($aliases[$searchName][0]);
+ }
+
+ /**
+ * Gets the commands (registered in the given namespace if provided).
+ *
+ * The array keys are the full names and the values the command instances.
+ *
+ * @param string $namespace A namespace name
+ *
+ * @return array An array of Command instances
+ *
+ * @api
+ */
+ public function all($namespace = null)
+ {
+ if (null === $namespace) {
+ return $this->commands;
+ }
+
+ $commands = array();
+ foreach ($this->commands as $name => $command) {
+ if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) {
+ $commands[$name] = $command;
+ }
+ }
+
+ return $commands;
+ }
+
+ /**
+ * Returns an array of possible abbreviations given a set of names.
+ *
+ * @param array $names An array of names
+ *
+ * @return array An array of abbreviations
+ */
+ public static function getAbbreviations($names)
+ {
+ $abbrevs = array();
+ foreach ($names as $name) {
+ for ($len = strlen($name) - 1; $len > 0; --$len) {
+ $abbrev = substr($name, 0, $len);
+ if (!isset($abbrevs[$abbrev])) {
+ $abbrevs[$abbrev] = array($name);
+ } else {
+ $abbrevs[$abbrev][] = $name;
+ }
+ }
+ }
+
+ // Non-abbreviations always get entered, even if they aren't unique
+ foreach ($names as $name) {
+ $abbrevs[$name] = array($name);
+ }
+
+ return $abbrevs;
+ }
+
+ /**
+ * Returns a text representation of the Application.
+ *
+ * @param string $namespace An optional namespace name
+ * @param boolean $raw Whether to return raw command list
+ *
+ * @return string A string representing the Application
+ */
+ public function asText($namespace = null, $raw = false)
+ {
+ $commands = $namespace ? $this->all($this->findNamespace($namespace)) : $this->commands;
+
+ $width = 0;
+ foreach ($commands as $command) {
+ $width = strlen($command->getName()) > $width ? strlen($command->getName()) : $width;
+ }
+ $width += 2;
+
+ if ($raw) {
+ $messages = array();
+ foreach ($this->sortCommands($commands) as $space => $commands) {
+ foreach ($commands as $name => $command) {
+ $messages[] = sprintf("%-${width}s %s", $name, $command->getDescription());
+ }
+ }
+
+ return implode(PHP_EOL, $messages);
+ }
+
+ $messages = array($this->getHelp(), '');
+ if ($namespace) {
+ $messages[] = sprintf("<comment>Available commands for the \"%s\" namespace:</comment>", $namespace);
+ } else {
+ $messages[] = '<comment>Available commands:</comment>';
+ }
+
+ // add commands by namespace
+ foreach ($this->sortCommands($commands) as $space => $commands) {
+ if (!$namespace && '_global' !== $space) {
+ $messages[] = '<comment>'.$space.'</comment>';
+ }
+
+ foreach ($commands as $name => $command) {
+ $messages[] = sprintf(" <info>%-${width}s</info> %s", $name, $command->getDescription());
+ }
+ }
+
+ return implode(PHP_EOL, $messages);
+ }
+
+ /**
+ * Returns an XML representation of the Application.
+ *
+ * @param string $namespace An optional namespace name
+ * @param Boolean $asDom Whether to return a DOM or an XML string
+ *
+ * @return string|DOMDocument An XML string representing the Application
+ */
+ public function asXml($namespace = null, $asDom = false)
+ {
+ $commands = $namespace ? $this->all($this->findNamespace($namespace)) : $this->commands;
+
+ $dom = new \DOMDocument('1.0', 'UTF-8');
+ $dom->formatOutput = true;
+ $dom->appendChild($xml = $dom->createElement('symfony'));
+
+ $xml->appendChild($commandsXML = $dom->createElement('commands'));
+
+ if ($namespace) {
+ $commandsXML->setAttribute('namespace', $namespace);
+ } else {
+ $namespacesXML = $dom->createElement('namespaces');
+ $xml->appendChild($namespacesXML);
+ }
+
+ // add commands by namespace
+ foreach ($this->sortCommands($commands) as $space => $commands) {
+ if (!$namespace) {
+ $namespaceArrayXML = $dom->createElement('namespace');
+ $namespacesXML->appendChild($namespaceArrayXML);
+ $namespaceArrayXML->setAttribute('id', $space);
+ }
+
+ foreach ($commands as $name => $command) {
+ if ($name !== $command->getName()) {
+ continue;
+ }
+
+ if (!$namespace) {
+ $commandXML = $dom->createElement('command');
+ $namespaceArrayXML->appendChild($commandXML);
+ $commandXML->appendChild($dom->createTextNode($name));
+ }
+
+ $node = $command->asXml(true)->getElementsByTagName('command')->item(0);
+ $node = $dom->importNode($node, true);
+
+ $commandsXML->appendChild($node);
+ }
+ }
+
+ return $asDom ? $dom : $dom->saveXml();
+ }
+
+ /**
+ * Renders a caught exception.
+ *
+ * @param Exception $e An exception instance
+ * @param OutputInterface $output An OutputInterface instance
+ */
+ public function renderException($e, $output)
+ {
+ $strlen = function ($string) {
+ if (!function_exists('mb_strlen')) {
+ return strlen($string);
+ }
+
+ if (false === $encoding = mb_detect_encoding($string)) {
+ return strlen($string);
+ }
+
+ return mb_strlen($string, $encoding);
+ };
+
+ do {
+ $title = sprintf(' [%s] ', get_class($e));
+ $len = $strlen($title);
+ $width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX;
+ $lines = array();
+ foreach (preg_split("{\r?\n}", $e->getMessage()) as $line) {
+ foreach (str_split($line, $width - 4) as $line) {
+ $lines[] = sprintf(' %s ', $line);
+ $len = max($strlen($line) + 4, $len);
+ }
+ }
+
+ $messages = array(str_repeat(' ', $len), $title.str_repeat(' ', max(0, $len - $strlen($title))));
+
+ foreach ($lines as $line) {
+ $messages[] = $line.str_repeat(' ', $len - $strlen($line));
+ }
+
+ $messages[] = str_repeat(' ', $len);
+
+ $output->writeln("");
+ $output->writeln("");
+ foreach ($messages as $message) {
+ $output->writeln('<error>'.$message.'</error>');
+ }
+ $output->writeln("");
+ $output->writeln("");
+
+ if (OutputInterface::VERBOSITY_VERBOSE === $output->getVerbosity()) {
+ $output->writeln('<comment>Exception trace:</comment>');
+
+ // exception related properties
+ $trace = $e->getTrace();
+ array_unshift($trace, array(
+ 'function' => '',
+ 'file' => $e->getFile() != null ? $e->getFile() : 'n/a',
+ 'line' => $e->getLine() != null ? $e->getLine() : 'n/a',
+ 'args' => array(),
+ ));
+
+ for ($i = 0, $count = count($trace); $i < $count; $i++) {
+ $class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
+ $type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
+ $function = $trace[$i]['function'];
+ $file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
+ $line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';
+
+ $output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line));
+ }
+
+ $output->writeln("");
+ $output->writeln("");
+ }
+ } while ($e = $e->getPrevious());
+
+ if (null !== $this->runningCommand) {
+ $output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
+ $output->writeln("");
+ $output->writeln("");
+ }
+ }
+
+ /**
+ * Tries to figure out the terminal width in which this application runs
+ *
+ * @return int|null
+ */
+ protected function getTerminalWidth()
+ {
+ if (defined('PHP_WINDOWS_VERSION_BUILD')) {
+ if ($ansicon = getenv('ANSICON')) {
+ return preg_replace('{^(\d+)x.*$}', '$1', $ansicon);
+ }
+
+ exec('mode CON', $execData);
+ if (preg_match('{columns:\s*(\d+)}i', $execData[4], $matches)) {
+ return $matches[1];
+ }
+ }
+
+ if (preg_match("{rows.(\d+);.columns.(\d+);}i", $this->getSttyColumns(), $match)) {
+ return $match[2];
+ }
+ }
+
+ /**
+ * Tries to figure out the terminal height in which this application runs
+ *
+ * @return int|null
+ */
+ protected function getTerminalHeight()
+ {
+ if (defined('PHP_WINDOWS_VERSION_BUILD')) {
+ if ($ansicon = getenv('ANSICON')) {
+ return preg_replace('{^\d+x\d+ \(\d+x(\d+)\)$}', '$1', trim($ansicon));
+ }
+
+ exec('mode CON', $execData);
+ if (preg_match('{lines:\s*(\d+)}i', $execData[3], $matches)) {
+ return $matches[1];
+ }
+ }
+
+ if (preg_match("{rows.(\d+);.columns.(\d+);}i", $this->getSttyColumns(), $match)) {
+ return $match[1];
+ }
+ }
+
+ /**
+ * Gets the name of the command based on input.
+ *
+ * @param InputInterface $input The input interface
+ *
+ * @return string The command name
+ */
+ protected function getCommandName(InputInterface $input)
+ {
+ return $input->getFirstArgument();
+ }
+
+ /**
+ * Gets the default input definition.
+ *
+ * @return InputDefinition An InputDefinition instance
+ */
+ protected function getDefaultInputDefinition()
+ {
+ return new InputDefinition(array(
+ new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),
+
+ new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display this help message.'),
+ new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message.'),
+ new InputOption('--verbose', '-v', InputOption::VALUE_NONE, 'Increase verbosity of messages.'),
+ new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this application version.'),
+ new InputOption('--ansi', '', InputOption::VALUE_NONE, 'Force ANSI output.'),
+ new InputOption('--no-ansi', '', InputOption::VALUE_NONE, 'Disable ANSI output.'),
+ new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question.'),
+ ));
+ }
+
+ /**
+ * Gets the default commands that should always be available.
+ *
+ * @return array An array of default Command instances
+ */
+ protected function getDefaultCommands()
+ {
+ return array(new HelpCommand(), new ListCommand());
+ }
+
+ /**
+ * Gets the default helper set with the helpers that should always be available.
+ *
+ * @return HelperSet A HelperSet instance
+ */
+ protected function getDefaultHelperSet()
+ {
+ return new HelperSet(array(
+ new FormatterHelper(),
+ new DialogHelper(),
+ ));
+ }
+
+ /**
+ * Runs and parses stty -a if it's available, suppressing any error output
+ *
+ * @return string
+ */
+ private function getSttyColumns()
+ {
+ if (!function_exists('proc_open')) {
+ return;
+ }
+
+ $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
+ $process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
+ if (is_resource($process)) {
+ $info = stream_get_contents($pipes[1]);
+ fclose($pipes[1]);
+ fclose($pipes[2]);
+ proc_close($process);
+
+ return $info;
+ }
+ }
+
+ /**
+ * Sorts commands in alphabetical order.
+ *
+ * @param array $commands An associative array of commands to sort
+ *
+ * @return array A sorted array of commands
+ */
+ private function sortCommands($commands)
+ {
+ $namespacedCommands = array();
+ foreach ($commands as $name => $command) {
+ $key = $this->extractNamespace($name, 1);
+ if (!$key) {
+ $key = '_global';
+ }
+
+ $namespacedCommands[$key][$name] = $command;
+ }
+ ksort($namespacedCommands);
+
+ foreach ($namespacedCommands as &$commands) {
+ ksort($commands);
+ }
+
+ return $namespacedCommands;
+ }
+
+ /**
+ * Returns abbreviated suggestions in string format.
+ *
+ * @param array $abbrevs Abbreviated suggestions to convert
+ *
+ * @return string A formatted string of abbreviated suggestions
+ */
+ private function getAbbreviationSuggestions($abbrevs)
+ {
+ return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : '');
+ }
+
+ /**
+ * Returns the namespace part of the command name.
+ *
+ * @param string $name The full name of the command
+ * @param string $limit The maximum number of parts of the namespace
+ *
+ * @return string The namespace of the command
+ */
+ private function extractNamespace($name, $limit = null)
+ {
+ $parts = explode(':', $name);
+ array_pop($parts);
+
+ return implode(':', null === $limit ? $parts : array_slice($parts, 0, $limit));
+ }
+
+ /**
+ * Finds alternative commands of $name
+ *
+ * @param string $name The full name of the command
+ * @param array $abbrevs The abbreviations
+ *
+ * @return array A sorted array of similar commands
+ */
+ private function findAlternativeCommands($name, $abbrevs)
+ {
+ $callback = function($item) {
+ return $item->getName();
+ };
+
+ return $this->findAlternatives($name, $this->commands, $abbrevs, $callback);
+ }
+
+ /**
+ * Finds alternative namespace of $name
+ *
+ * @param string $name The full name of the namespace
+ * @param array $abbrevs The abbreviations
+ *
+ * @return array A sorted array of similar namespace
+ */
+ private function findAlternativeNamespace($name, $abbrevs)
+ {
+ return $this->findAlternatives($name, $this->getNamespaces(), $abbrevs);
+ }
+
+ /**
+ * Finds alternative of $name among $collection,
+ * if nothing is found in $collection, try in $abbrevs
+ *
+ * @param string $name The string
+ * @param array|Traversable $collection The collection
+ * @param array $abbrevs The abbreviations
+ * @param Closure|string|array $callback The callable to transform collection item before comparison
+ *
+ * @return array A sorted array of similar string
+ */
+ private function findAlternatives($name, $collection, $abbrevs, $callback = null)
+ {
+ $alternatives = array();
+
+ foreach ($collection as $item) {
+ if (null !== $callback) {
+ $item = call_user_func($callback, $item);
+ }
+
+ $lev = levenshtein($name, $item);
+ if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
+ $alternatives[$item] = $lev;
+ }
+ }
+
+ if (!$alternatives) {
+ foreach ($abbrevs as $key => $values) {
+ $lev = levenshtein($name, $key);
+ if ($lev <= strlen($name) / 3 || false !== strpos($key, $name)) {
+ foreach ($values as $value) {
+ $alternatives[$value] = $lev;
+ }
+ }
+ }
+ }
+
+ asort($alternatives);
+
+ return array_keys($alternatives);
+ }
+}