Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

1145 lines (993 sloc) 35.372 kb
<?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\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;
use Symfony\Component\Console\Helper\ProgressHelper;
/**
* 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;
}
/**
* Set an input definition set to be used with this application
*
* @param InputDefinition $definition The input definition
*
* @api
*/
public function setDefinition(InputDefinition $definition)
{
$this->definition = $definition;
}
/**
* 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(
$this->getLongVersion(),
'',
'<comment>Usage:</comment>',
' [options] command [arguments]',
'',
'<comment>Options:</comment>',
);
foreach ($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) {
$extractedNamespace = $this->extractNamespace($command->getName());
if ($extractedNamespace === $namespace
|| !empty($namespace) && 0 === strpos($extractedNamespace, $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) {
$extractedNamespace = $this->extractNamespace($alias);
if ($extractedNamespace === $namespace
|| !empty($namespace) && 0 === strpos($extractedNamespace, $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 $namespace A namespace name
*
* @return Command[] An array of Command instances
*
* @api
*/
public function all($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()
{
$dimensions = $this->getTerminalDimensions();
return $dimensions[0];
}
/**
* Tries to figure out the terminal height in which this application runs
*
* @return int|null
*/
protected function getTerminalHeight()
{
$dimensions = $this->getTerminalDimensions();
return $dimensions[1];
}
/**
* Tries to figure out the terminal dimensions based on the current environment
*
* @return array Array containing width and height
*/
public function getTerminalDimensions()
{
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
// extract [w, H] from "wxh (WxH)"
if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
return array((int) $matches[1], (int) $matches[2]);
}
// extract [w, h] from "wxh"
if (preg_match('/^(\d+)x(\d+)$/', $this->getConsoleMode(), $matches)) {
return array((int) $matches[1], (int) $matches[2]);
}
}
if ($sttyString = $this->getSttyColumns()) {
// extract [w, h] from "rows h; columns w;"
if (preg_match('/rows.(\d+);.columns.(\d+);/i', $sttyString, $matches)) {
return array((int) $matches[2], (int) $matches[1]);
}
// extract [w, h] from "; h rows; w columns"
if (preg_match('/;.(\d+).rows;.(\d+).columns/i', $sttyString, $matches)) {
return array((int) $matches[2], (int) $matches[1]);
}
}
return array(null, null);
}
/**
* 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 Command[] 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(),
new ProgressHelper(),
));
}
/**
* 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;
}
}
/**
* Runs and parses mode CON if it's available, suppressing any error output
*
* @return string <width>x<height> or null if it could not be parsed
*/
private function getConsoleMode()
{
if (!function_exists('proc_open')) {
return;
}
$descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
$process = proc_open('mode CON', $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);
if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
return $matches[2].'x'.$matches[1];
}
}
}
/**
* 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);
}
}
Jump to Line
Something went wrong with that request. Please try again.