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Configuration.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy;
use Psy\Exception\DeprecatedException;
use Psy\Exception\RuntimeException;
use Psy\ExecutionLoop\ProcessForker;
use Psy\Output\OutputPager;
use Psy\Output\ShellOutput;
use Psy\Output\Theme;
use Psy\TabCompletion\AutoCompleter;
use Psy\VarDumper\Presenter;
use Psy\VersionUpdater\Checker;
use Psy\VersionUpdater\GitHubChecker;
use Psy\VersionUpdater\IntervalChecker;
use Psy\VersionUpdater\NoopChecker;
use Symfony\Component\Console\Formatter\OutputFormatterStyle;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
/**
* The Psy Shell configuration.
*/
class Configuration
{
const COLOR_MODE_AUTO = 'auto';
const COLOR_MODE_FORCED = 'forced';
const COLOR_MODE_DISABLED = 'disabled';
const INTERACTIVE_MODE_AUTO = 'auto';
const INTERACTIVE_MODE_FORCED = 'forced';
const INTERACTIVE_MODE_DISABLED = 'disabled';
const VERBOSITY_QUIET = 'quiet';
const VERBOSITY_NORMAL = 'normal';
const VERBOSITY_VERBOSE = 'verbose';
const VERBOSITY_VERY_VERBOSE = 'very_verbose';
const VERBOSITY_DEBUG = 'debug';
private const AVAILABLE_OPTIONS = [
'codeCleaner',
'colorMode',
'configDir',
'dataDir',
'defaultIncludes',
'eraseDuplicates',
'errorLoggingLevel',
'forceArrayIndexes',
'formatterStyles',
'historyFile',
'historySize',
'interactiveMode',
'manualDbFile',
'pager',
'prompt',
'rawOutput',
'requireSemicolons',
'runtimeDir',
'startupMessage',
'strictTypes',
'theme',
'updateCheck',
'useBracketedPaste',
'usePcntl',
'useReadline',
'useTabCompletion',
'useUnicode',
'verbosity',
'warnOnMultipleConfigs',
'yolo',
];
private ?array $defaultIncludes = null;
private ?string $configDir = null;
private ?string $dataDir = null;
private ?string $runtimeDir = null;
private ?string $configFile = null;
/** @var string|false|null */
private $historyFile;
private int $historySize = 0;
private ?bool $eraseDuplicates = null;
private ?string $manualDbFile = null;
private bool $hasReadline;
private ?bool $useReadline = null;
private bool $useBracketedPaste = false;
private bool $hasPcntl;
private ?bool $usePcntl = null;
private array $newCommands = [];
private ?bool $pipedInput = null;
private ?bool $pipedOutput = null;
private bool $rawOutput = false;
private bool $requireSemicolons = false;
private bool $strictTypes = false;
private ?bool $useUnicode = null;
private ?bool $useTabCompletion = null;
private array $newMatchers = [];
private int $errorLoggingLevel = \E_ALL;
private bool $warnOnMultipleConfigs = false;
private string $colorMode = self::COLOR_MODE_AUTO;
private string $interactiveMode = self::INTERACTIVE_MODE_AUTO;
private ?string $updateCheck = null;
private ?string $startupMessage = null;
private bool $forceArrayIndexes = false;
/** @deprecated */
private array $formatterStyles = [];
private string $verbosity = self::VERBOSITY_NORMAL;
private bool $yolo = false;
private ?Theme $theme = null;
// services
private ?Readline\Readline $readline = null;
private ?ShellOutput $output = null;
private ?Shell $shell = null;
private ?CodeCleaner $cleaner = null;
/** @var string|OutputPager|false|null */
private $pager = null;
private ?\PDO $manualDb = null;
private ?Presenter $presenter = null;
private ?AutoCompleter $autoCompleter = null;
private ?Checker $checker = null;
/** @deprecated */
private ?string $prompt = null;
private ConfigPaths $configPaths;
/**
* Construct a Configuration instance.
*
* Optionally, supply an array of configuration values to load.
*
* @param array $config Optional array of configuration values
*/
public function __construct(array $config = [])
{
$this->configPaths = new ConfigPaths();
// explicit configFile option
if (isset($config['configFile'])) {
$this->configFile = $config['configFile'];
} elseif (isset($_SERVER['PSYSH_CONFIG']) && $_SERVER['PSYSH_CONFIG']) {
$this->configFile = $_SERVER['PSYSH_CONFIG'];
} elseif (\PHP_SAPI === 'cli-server' && ($configFile = \getenv('PSYSH_CONFIG'))) {
$this->configFile = $configFile;
}
// legacy baseDir option
if (isset($config['baseDir'])) {
$msg = "The 'baseDir' configuration option is deprecated; ".
"please specify 'configDir' and 'dataDir' options instead";
throw new DeprecatedException($msg);
}
unset($config['configFile'], $config['baseDir']);
// go go gadget, config!
$this->loadConfig($config);
$this->init();
}
/**
* Construct a Configuration object from Symfony Console input.
*
* This is great for adding psysh-compatible command line options to framework- or app-specific
* wrappers.
*
* $input should already be bound to an appropriate InputDefinition (see self::getInputOptions
* if you want to build your own) before calling this method. It's not required, but things work
* a lot better if we do.
*
* @see self::getInputOptions
*
* @throws \InvalidArgumentException
*
* @param InputInterface $input
*/
public static function fromInput(InputInterface $input): self
{
$config = new self(['configFile' => self::getConfigFileFromInput($input)]);
// Handle --color and --no-color (and --ansi and --no-ansi aliases)
if (self::getOptionFromInput($input, ['color', 'ansi'])) {
$config->setColorMode(self::COLOR_MODE_FORCED);
} elseif (self::getOptionFromInput($input, ['no-color', 'no-ansi'])) {
$config->setColorMode(self::COLOR_MODE_DISABLED);
}
// Handle verbosity options
if ($verbosity = self::getVerbosityFromInput($input)) {
$config->setVerbosity($verbosity);
}
// Handle interactive mode
if (self::getOptionFromInput($input, ['interactive', 'interaction'], ['-a', '-i'])) {
$config->setInteractiveMode(self::INTERACTIVE_MODE_FORCED);
} elseif (self::getOptionFromInput($input, ['no-interactive', 'no-interaction'], ['-n'])) {
$config->setInteractiveMode(self::INTERACTIVE_MODE_DISABLED);
}
// Handle --compact
if (self::getOptionFromInput($input, ['compact'])) {
$config->setTheme('compact');
}
// Handle --raw-output
// @todo support raw output with interactive input?
if (!$config->getInputInteractive()) {
if (self::getOptionFromInput($input, ['raw-output'], ['-r'])) {
$config->setRawOutput(true);
}
}
// Handle --yolo
if (self::getOptionFromInput($input, ['yolo'])) {
$config->setYolo(true);
}
return $config;
}
/**
* Get the desired config file from the given input.
*
* @return string|null config file path, or null if none is specified
*/
private static function getConfigFileFromInput(InputInterface $input)
{
// Best case, input is properly bound and validated.
if ($input->hasOption('config')) {
return $input->getOption('config');
}
return $input->getParameterOption('--config', null, true) ?: $input->getParameterOption('-c', null, true);
}
/**
* Get a boolean option from the given input.
*
* This helper allows fallback for unbound and unvalidated input. It's not perfect--for example,
* it can't deal with several short options squished together--but it's better than falling over
* any time someone gives us unbound input.
*
* @return bool true if the option (or an alias) is present
*/
private static function getOptionFromInput(InputInterface $input, array $names, array $otherParams = []): bool
{
// Best case, input is properly bound and validated.
foreach ($names as $name) {
if ($input->hasOption($name) && $input->getOption($name)) {
return true;
}
}
foreach ($names as $name) {
$otherParams[] = '--'.$name;
}
foreach ($otherParams as $name) {
if ($input->hasParameterOption($name, true)) {
return true;
}
}
return false;
}
/**
* Get the desired verbosity from the given input.
*
* This is a bit more complext than the other options parsers. It handles `--quiet` and
* `--verbose`, along with their short aliases, and fancy things like `-vvv`.
*
* @return string|null configuration constant, or null if no verbosity option is specified
*/
private static function getVerbosityFromInput(InputInterface $input)
{
// --quiet wins!
if (self::getOptionFromInput($input, ['quiet'], ['-q'])) {
return self::VERBOSITY_QUIET;
}
// Best case, input is properly bound and validated.
//
// Note that if the `--verbose` option is incorrectly defined as `VALUE_NONE` rather than
// `VALUE_OPTIONAL` (as it is in Symfony Console by default) it doesn't actually work with
// multiple verbosity levels as it claims.
//
// We can detect this by checking whether the the value === true, and fall back to unbound
// parsing for this option.
if ($input->hasOption('verbose') && $input->getOption('verbose') !== true) {
switch ($input->getOption('verbose')) {
case '-1':
return self::VERBOSITY_QUIET;
case '0': // explicitly normal, overrides config file default
return self::VERBOSITY_NORMAL;
case '1':
case null: // `--verbose` and `-v`
return self::VERBOSITY_VERBOSE;
case '2':
case 'v': // `-vv`
return self::VERBOSITY_VERY_VERBOSE;
case '3':
case 'vv': // `-vvv`
case 'vvv':
case 'vvvv':
case 'vvvvv':
case 'vvvvvv':
case 'vvvvvvv':
return self::VERBOSITY_DEBUG;
default: // implicitly normal, config file default wins
return;
}
}
// quiet and normal have to come before verbose, because it eats everything else.
if ($input->hasParameterOption('--verbose=-1', true) || $input->getParameterOption('--verbose', false, true) === '-1') {
return self::VERBOSITY_QUIET;
}
if ($input->hasParameterOption('--verbose=0', true) || $input->getParameterOption('--verbose', false, true) === '0') {
return self::VERBOSITY_NORMAL;
}
// `-vvv`, `-vv` and `-v` have to come in descending length order, because `hasParameterOption` matches prefixes.
if ($input->hasParameterOption('-vvv', true) || $input->hasParameterOption('--verbose=3', true) || $input->getParameterOption('--verbose', false, true) === '3') {
return self::VERBOSITY_DEBUG;
}
if ($input->hasParameterOption('-vv', true) || $input->hasParameterOption('--verbose=2', true) || $input->getParameterOption('--verbose', false, true) === '2') {
return self::VERBOSITY_VERY_VERBOSE;
}
if ($input->hasParameterOption('-v', true) || $input->hasParameterOption('--verbose=1', true) || $input->hasParameterOption('--verbose', true)) {
return self::VERBOSITY_VERBOSE;
}
}
/**
* Get a list of input options expected when initializing Configuration via input.
*
* @see self::fromInput
*
* @return InputOption[]
*/
public static function getInputOptions(): array
{
return [
new InputOption('config', 'c', InputOption::VALUE_REQUIRED, 'Use an alternate PsySH config file location.'),
new InputOption('cwd', null, InputOption::VALUE_REQUIRED, 'Use an alternate working directory.'),
new InputOption('color', null, InputOption::VALUE_NONE, 'Force colors in output.'),
new InputOption('no-color', null, InputOption::VALUE_NONE, 'Disable colors in output.'),
// --ansi and --no-ansi aliases to match Symfony, Composer, etc.
new InputOption('ansi', null, InputOption::VALUE_NONE, 'Force colors in output.'),
new InputOption('no-ansi', null, InputOption::VALUE_NONE, 'Disable colors in output.'),
new InputOption('quiet', 'q', InputOption::VALUE_NONE, 'Shhhhhh.'),
new InputOption('verbose', 'v|vv|vvv', InputOption::VALUE_OPTIONAL, 'Increase the verbosity of messages.', '0'),
new InputOption('compact', null, InputOption::VALUE_NONE, 'Run PsySH with compact output.'),
new InputOption('interactive', 'i|a', InputOption::VALUE_NONE, 'Force PsySH to run in interactive mode.'),
new InputOption('no-interactive', 'n', InputOption::VALUE_NONE, 'Run PsySH without interactive input. Requires input from stdin.'),
// --interaction and --no-interaction aliases for compatibility with Symfony, Composer, etc
new InputOption('interaction', null, InputOption::VALUE_NONE, 'Force PsySH to run in interactive mode.'),
new InputOption('no-interaction', null, InputOption::VALUE_NONE, 'Run PsySH without interactive input. Requires input from stdin.'),
new InputOption('raw-output', 'r', InputOption::VALUE_NONE, 'Print var_export-style return values (for non-interactive input)'),
new InputOption('self-update', 'u', InputOption::VALUE_NONE, 'Update to the latest version'),
new InputOption('yolo', null, InputOption::VALUE_NONE, 'Run PsySH with minimal input validation. You probably don\'t want this.'),
];
}
/**
* Initialize the configuration.
*
* This checks for the presence of Readline and Pcntl extensions.
*
* If a config file is available, it will be loaded and merged with the current config.
*
* If no custom config file was specified and a local project config file
* is available, it will be loaded and merged with the current config.
*/
public function init()
{
// feature detection
$this->hasReadline = \function_exists('readline');
$this->hasPcntl = ProcessForker::isSupported();
if ($configFile = $this->getConfigFile()) {
$this->loadConfigFile($configFile);
}
if (!$this->configFile && $localConfig = $this->getLocalConfigFile()) {
$this->loadConfigFile($localConfig);
}
$this->configPaths->overrideDirs([
'configDir' => $this->configDir,
'dataDir' => $this->dataDir,
'runtimeDir' => $this->runtimeDir,
]);
}
/**
* Get the current PsySH config file.
*
* If a `configFile` option was passed to the Configuration constructor,
* this file will be returned. If not, all possible config directories will
* be searched, and the first `config.php` or `rc.php` file which exists
* will be returned.
*
* If you're trying to decide where to put your config file, pick
*
* ~/.config/psysh/config.php
*
* @return string|null
*/
public function getConfigFile()
{
if (isset($this->configFile)) {
return $this->configFile;
}
$files = $this->configPaths->configFiles(['config.php', 'rc.php']);
if (!empty($files)) {
if ($this->warnOnMultipleConfigs && \count($files) > 1) {
$msg = \sprintf('Multiple configuration files found: %s. Using %s', \implode(', ', $files), $files[0]);
\trigger_error($msg, \E_USER_NOTICE);
}
return $files[0];
}
}
/**
* Get the local PsySH config file.
*
* Searches for a project specific config file `.psysh.php` in the current
* working directory.
*
* @return string|null
*/
public function getLocalConfigFile()
{
$localConfig = \getcwd().'/.psysh.php';
if (@\is_file($localConfig)) {
return $localConfig;
}
}
/**
* Load configuration values from an array of options.
*
* @param array $options
*/
public function loadConfig(array $options)
{
foreach (self::AVAILABLE_OPTIONS as $option) {
if (isset($options[$option])) {
$method = 'set'.\ucfirst($option);
$this->$method($options[$option]);
}
}
// legacy `tabCompletion` option
if (isset($options['tabCompletion'])) {
$msg = '`tabCompletion` is deprecated; use `useTabCompletion` instead.';
@\trigger_error($msg, \E_USER_DEPRECATED);
$this->setUseTabCompletion($options['tabCompletion']);
}
foreach (['commands', 'matchers', 'casters'] as $option) {
if (isset($options[$option])) {
$method = 'add'.\ucfirst($option);
$this->$method($options[$option]);
}
}
// legacy `tabCompletionMatchers` option
if (isset($options['tabCompletionMatchers'])) {
$msg = '`tabCompletionMatchers` is deprecated; use `matchers` instead.';
@\trigger_error($msg, \E_USER_DEPRECATED);
$this->addMatchers($options['tabCompletionMatchers']);
}
}
/**
* Load a configuration file (default: `$HOME/.config/psysh/config.php`).
*
* This configuration instance will be available to the config file as $config.
* The config file may directly manipulate the configuration, or may return
* an array of options which will be merged with the current configuration.
*
* @throws \InvalidArgumentException if the config file does not exist or returns a non-array result
*
* @param string $file
*/
public function loadConfigFile(string $file)
{
if (!\is_file($file)) {
throw new \InvalidArgumentException(\sprintf('Invalid configuration file specified, %s does not exist', $file));
}
$__psysh_config_file__ = $file;
$load = function ($config) use ($__psysh_config_file__) {
$result = require $__psysh_config_file__;
if ($result !== 1) {
return $result;
}
};
$result = $load($this);
if (!empty($result)) {
if (\is_array($result)) {
$this->loadConfig($result);
} else {
throw new \InvalidArgumentException('Psy Shell configuration must return an array of options');
}
}
}
/**
* Set files to be included by default at the start of each shell session.
*
* @param array $includes
*/
public function setDefaultIncludes(array $includes = [])
{
$this->defaultIncludes = $includes;
}
/**
* Get files to be included by default at the start of each shell session.
*
* @return string[]
*/
public function getDefaultIncludes(): array
{
return $this->defaultIncludes ?: [];
}
/**
* Set the shell's config directory location.
*
* @param string $dir
*/
public function setConfigDir(string $dir)
{
$this->configDir = (string) $dir;
$this->configPaths->overrideDirs([
'configDir' => $this->configDir,
'dataDir' => $this->dataDir,
'runtimeDir' => $this->runtimeDir,
]);
}
/**
* Get the current configuration directory, if any is explicitly set.
*
* @return string|null
*/
public function getConfigDir()
{
return $this->configDir;
}
/**
* Set the shell's data directory location.
*
* @param string $dir
*/
public function setDataDir(string $dir)
{
$this->dataDir = (string) $dir;
$this->configPaths->overrideDirs([
'configDir' => $this->configDir,
'dataDir' => $this->dataDir,
'runtimeDir' => $this->runtimeDir,
]);
}
/**
* Get the current data directory, if any is explicitly set.
*
* @return string|null
*/
public function getDataDir()
{
return $this->dataDir;
}
/**
* Set the shell's temporary directory location.
*
* @param string $dir
*/
public function setRuntimeDir(string $dir)
{
$this->runtimeDir = (string) $dir;
$this->configPaths->overrideDirs([
'configDir' => $this->configDir,
'dataDir' => $this->dataDir,
'runtimeDir' => $this->runtimeDir,
]);
}
/**
* Get the shell's temporary directory location.
*
* Defaults to `/psysh` inside the system's temp dir unless explicitly
* overridden.
*
* @throws RuntimeException if no temporary directory is set and it is not possible to create one
*
* @param bool $create False to suppress directory creation if it does not exist
*/
public function getRuntimeDir($create = true): string
{
$runtimeDir = $this->configPaths->runtimeDir();
if ($create) {
if (!@ConfigPaths::ensureDir($runtimeDir)) {
throw new RuntimeException(\sprintf('Unable to create PsySH runtime directory. Make sure PHP is able to write to %s in order to continue.', \dirname($runtimeDir)));
}
}
return $runtimeDir;
}
/**
* Set the readline history file path.
*
* @param string $file
*/
public function setHistoryFile(string $file)
{
$this->historyFile = ConfigPaths::touchFileWithMkdir($file);
}
/**
* Get the readline history file path.
*
* Defaults to `/history` inside the shell's base config dir unless
* explicitly overridden.
*/
public function getHistoryFile(): ?string
{
if (isset($this->historyFile)) {
return $this->historyFile;
}
$files = $this->configPaths->configFiles(['psysh_history', 'history']);
if (!empty($files)) {
if ($this->warnOnMultipleConfigs && \count($files) > 1) {
$msg = \sprintf('Multiple history files found: %s. Using %s', \implode(', ', $files), $files[0]);
\trigger_error($msg, \E_USER_NOTICE);
}
$this->setHistoryFile($files[0]);
} else {
// fallback: create our own history file
$configDir = $this->configPaths->currentConfigDir();
if ($configDir === null) {
return null;
}
$this->setHistoryFile($configDir.'/psysh_history');
}
return $this->historyFile;
}
/**
* Set the readline max history size.
*
* @param int $value
*/
public function setHistorySize(int $value)
{
$this->historySize = (int) $value;
}
/**
* Get the readline max history size.
*
* @return int
*/
public function getHistorySize()
{
return $this->historySize;
}
/**
* Sets whether readline erases old duplicate history entries.
*
* @param bool $value
*/
public function setEraseDuplicates(bool $value)
{
$this->eraseDuplicates = $value;
}
/**
* Get whether readline erases old duplicate history entries.
*
* @return bool|null
*/
public function getEraseDuplicates()
{
return $this->eraseDuplicates;
}
/**
* Get a temporary file of type $type for process $pid.
*
* The file will be created inside the current temporary directory.
*
* @see self::getRuntimeDir
*
* @param string $type
* @param int $pid
*
* @return string Temporary file name
*/
public function getTempFile(string $type, int $pid): string
{
return \tempnam($this->getRuntimeDir(), $type.'_'.$pid.'_');
}
/**
* Get a filename suitable for a FIFO pipe of $type for process $pid.
*
* The pipe will be created inside the current temporary directory.
*
* @param string $type
* @param int $pid
*
* @return string Pipe name
*/
public function getPipe(string $type, int $pid): string
{
return \sprintf('%s/%s_%s', $this->getRuntimeDir(), $type, $pid);
}
/**
* Check whether this PHP instance has Readline available.
*
* @return bool True if Readline is available
*/
public function hasReadline(): bool
{
return $this->hasReadline;
}
/**
* Enable or disable Readline usage.
*
* @param bool $useReadline
*/
public function setUseReadline(bool $useReadline)
{
$this->useReadline = (bool) $useReadline;
}
/**
* Check whether to use Readline.
*
* If `setUseReadline` as been set to true, but Readline is not actually
* available, this will return false.
*
* @return bool True if the current Shell should use Readline
*/
public function useReadline(): bool
{
return isset($this->useReadline) ? ($this->hasReadline && $this->useReadline) : $this->hasReadline;
}
/**
* Set the Psy Shell readline service.
*
* @param Readline\Readline $readline
*/
public function setReadline(Readline\Readline $readline)
{
$this->readline = $readline;
}
/**
* Get the Psy Shell readline service.
*
* By default, this service uses (in order of preference):
*
* * GNU Readline
* * Libedit
* * A transient array-based readline emulation.
*
* @return Readline\Readline
*/
public function getReadline(): Readline\Readline
{
if (!isset($this->readline)) {
$className = $this->getReadlineClass();
$this->readline = new $className(
$this->getHistoryFile(),
$this->getHistorySize(),
$this->getEraseDuplicates() ?? false
);
}
return $this->readline;
}
/**
* Get the appropriate Readline implementation class name.
*
* @see self::getReadline
*/
private function getReadlineClass(): string
{
if ($this->useReadline()) {
if (Readline\GNUReadline::isSupported()) {
return Readline\GNUReadline::class;
} elseif (Readline\Libedit::isSupported()) {
return Readline\Libedit::class;
}
}
if (Readline\Userland::isSupported()) {
return Readline\Userland::class;
}
return Readline\Transient::class;
}
/**
* Enable or disable bracketed paste.
*
* Note that this only works with readline (not libedit) integration for now.
*
* @param bool $useBracketedPaste
*/
public function setUseBracketedPaste(bool $useBracketedPaste)
{
$this->useBracketedPaste = (bool) $useBracketedPaste;
}
/**
* Check whether to use bracketed paste with readline.
*
* When this works, it's magical. Tabs in pastes don't try to autcomplete.
* Newlines in paste don't execute code until you get to the end. It makes
* readline act like you'd expect when pasting.
*
* But it often (usually?) does not work. And when it doesn't, it just spews
* escape codes all over the place and generally makes things ugly :(
*
* If `useBracketedPaste` has been set to true, but the current readline
* implementation is anything besides GNU readline, this will return false.
*
* @return bool True if the shell should use bracketed paste
*/
public function useBracketedPaste(): bool
{
$readlineClass = $this->getReadlineClass();
return $this->useBracketedPaste && $readlineClass::supportsBracketedPaste();
// @todo mebbe turn this on by default some day?
// return $readlineClass::supportsBracketedPaste() && $this->useBracketedPaste !== false;
}
/**
* Check whether this PHP instance has Pcntl available.
*
* @return bool True if Pcntl is available
*/
public function hasPcntl(): bool
{
return $this->hasPcntl;
}
/**
* Enable or disable Pcntl usage.
*
* @param bool $usePcntl
*/
public function setUsePcntl(bool $usePcntl)
{
$this->usePcntl = (bool) $usePcntl;
}
/**
* Check whether to use Pcntl.
*
* If `setUsePcntl` has been set to true, but Pcntl is not actually
* available, this will return false.
*
* @return bool True if the current Shell should use Pcntl
*/
public function usePcntl(): bool
{
if (!isset($this->usePcntl)) {
// Unless pcntl is explicitly *enabled*, don't use it while XDebug is debugging.
// See https://github.com/bobthecow/psysh/issues/742
if (\function_exists('xdebug_is_debugger_active') && \xdebug_is_debugger_active()) {
return false;
}
return $this->hasPcntl;
}
return $this->hasPcntl && $this->usePcntl;
}
/**
* Check whether to use raw output.
*
* This is set by the --raw-output (-r) flag, and really only makes sense
* when non-interactive, e.g. executing stdin.
*
* @return bool true if raw output is enabled
*/
public function rawOutput(): bool
{
return $this->rawOutput;
}
/**
* Enable or disable raw output.
*
* @param bool $rawOutput
*/
public function setRawOutput(bool $rawOutput)
{
$this->rawOutput = (bool) $rawOutput;
}
/**
* Enable or disable strict requirement of semicolons.
*
* @see self::requireSemicolons()
*
* @param bool $requireSemicolons
*/
public function setRequireSemicolons(bool $requireSemicolons)
{
$this->requireSemicolons = (bool) $requireSemicolons;
}
/**
* Check whether to require semicolons on all statements.
*
* By default, PsySH will automatically insert semicolons at the end of
* statements if they're missing. To strictly require semicolons, set
* `requireSemicolons` to true.
*/
public function requireSemicolons(): bool
{
return $this->requireSemicolons;
}
/**
* Enable or disable strict types enforcement.
*/
public function setStrictTypes($strictTypes)
{
$this->strictTypes = (bool) $strictTypes;
}
/**
* Check whether to enforce strict types.
*/
public function strictTypes(): bool
{
return $this->strictTypes;
}
/**
* Enable or disable Unicode in PsySH specific output.
*
* Note that this does not disable Unicode output in general, it just makes
* it so PsySH won't output any itself.
*
* @param bool $useUnicode
*/
public function setUseUnicode(bool $useUnicode)
{
$this->useUnicode = (bool) $useUnicode;
}
/**
* Check whether to use Unicode in PsySH specific output.
*
* Note that this does not disable Unicode output in general, it just makes
* it so PsySH won't output any itself.
*/
public function useUnicode(): bool
{
if (isset($this->useUnicode)) {
return $this->useUnicode;
}
// @todo detect `chsh` != 65001 on Windows and return false
return true;
}
/**
* Set the error logging level.
*
* @see self::errorLoggingLevel
*
* @param int $errorLoggingLevel
*/
public function setErrorLoggingLevel($errorLoggingLevel)
{
if (\PHP_VERSION_ID < 80400) {
$this->errorLoggingLevel = (\E_ALL | \E_STRICT) & $errorLoggingLevel;
} else {
$this->errorLoggingLevel = \E_ALL & $errorLoggingLevel;
}
}
/**
* Get the current error logging level.
*
* By default, PsySH will automatically log all errors, regardless of the
* current `error_reporting` level.
*
* Set `errorLoggingLevel` to 0 to prevent logging non-thrown errors. Set it
* to any valid error_reporting value to log only errors which match that
* level.
*
* http://php.net/manual/en/function.error-reporting.php
*/
public function errorLoggingLevel(): int
{
return $this->errorLoggingLevel;
}
/**
* Set a CodeCleaner service instance.
*
* @param CodeCleaner $cleaner
*/
public function setCodeCleaner(CodeCleaner $cleaner)
{
$this->cleaner = $cleaner;
}
/**
* Get a CodeCleaner service instance.
*
* If none has been explicitly defined, this will create a new instance.
*/
public function getCodeCleaner(): CodeCleaner
{
if (!isset($this->cleaner)) {
$this->cleaner = new CodeCleaner(null, null, null, $this->yolo(), $this->strictTypes());
}
return $this->cleaner;
}
/**
* Enable or disable running PsySH without input validation.
*
* You don't want this.
*/
public function setYolo($yolo)
{
$this->yolo = (bool) $yolo;
}
/**
* Check whether to disable input validation.
*/
public function yolo(): bool
{
return $this->yolo;
}
/**
* Enable or disable tab completion.
*
* @param bool $useTabCompletion
*/
public function setUseTabCompletion(bool $useTabCompletion)
{
$this->useTabCompletion = (bool) $useTabCompletion;
}
/**
* @deprecated Call `setUseTabCompletion` instead
*
* @param bool $useTabCompletion
*/
public function setTabCompletion(bool $useTabCompletion)
{
@\trigger_error('`setTabCompletion` is deprecated; call `setUseTabCompletion` instead.', \E_USER_DEPRECATED);
$this->setUseTabCompletion($useTabCompletion);
}
/**
* Check whether to use tab completion.
*
* If `setUseTabCompletion` has been set to true, but readline is not
* actually available, this will return false.
*
* @return bool True if the current Shell should use tab completion
*/
public function useTabCompletion(): bool
{
return isset($this->useTabCompletion) ? ($this->hasReadline && $this->useTabCompletion) : $this->hasReadline;
}
/**
* @deprecated Call `useTabCompletion` instead
*/
public function getTabCompletion(): bool
{
@\trigger_error('`getTabCompletion` is deprecated; call `useTabCompletion` instead.', \E_USER_DEPRECATED);
return $this->useTabCompletion();
}
/**
* Set the Shell Output service.
*
* @param ShellOutput $output
*/
public function setOutput(ShellOutput $output)
{
$this->output = $output;
$this->pipedOutput = null; // Reset cached pipe info
if (isset($this->theme)) {
$output->setTheme($this->theme);
}
$this->applyFormatterStyles();
}
/**
* Get a Shell Output service instance.
*
* If none has been explicitly provided, this will create a new instance
* with the configured verbosity and output pager supplied by self::getPager
*
* @see self::verbosity
* @see self::getPager
*/
public function getOutput(): ShellOutput
{
if (!isset($this->output)) {
$this->setOutput(new ShellOutput(
$this->getOutputVerbosity(),
null,
null,
$this->getPager() ?: null,
$this->theme()
));
// This is racy because `getOutputDecorated` needs access to the
// output stream to figure out if it's piped or not, so create it
// first, then update after we have a stream.
$decorated = $this->getOutputDecorated();
if ($decorated !== null) {
$this->output->setDecorated($decorated);
}
}
return $this->output;
}
/**
* Get the decoration (i.e. color) setting for the Shell Output service.
*
* @return bool|null 3-state boolean corresponding to the current color mode
*/
public function getOutputDecorated()
{
switch ($this->colorMode()) {
case self::COLOR_MODE_FORCED:
return true;
case self::COLOR_MODE_DISABLED:
return false;
case self::COLOR_MODE_AUTO:
default:
return $this->outputIsPiped() ? false : null;
}
}
/**
* Get the interactive setting for shell input.
*/
public function getInputInteractive(): bool
{
switch ($this->interactiveMode()) {
case self::INTERACTIVE_MODE_FORCED:
return true;
case self::INTERACTIVE_MODE_DISABLED:
return false;
case self::INTERACTIVE_MODE_AUTO:
default:
return !$this->inputIsPiped();
}
}
/**
* Set the OutputPager service.
*
* If a string is supplied, a ProcOutputPager will be used which shells out
* to the specified command.
*
* `cat` is special-cased to use the PassthruPager directly.
*
* @throws \InvalidArgumentException if $pager is not a string or OutputPager instance
*
* @param string|OutputPager|false $pager
*/
public function setPager($pager)
{
if ($pager === null || $pager === false || $pager === 'cat') {
$pager = false;
}
if ($pager !== false && !\is_string($pager) && !$pager instanceof OutputPager) {
throw new \InvalidArgumentException('Unexpected pager instance');
}
$this->pager = $pager;
}
/**
* Get an OutputPager instance or a command for an external Proc pager.
*
* If no Pager has been explicitly provided, and Pcntl is available, this
* will default to `cli.pager` ini value, falling back to `which less`.
*
* @return string|OutputPager|false
*/
public function getPager()
{
if (!isset($this->pager) && $this->usePcntl()) {
if (\getenv('TERM') === 'dumb') {
return false;
}
if ($pager = \ini_get('cli.pager')) {
// use the default pager
$this->pager = $pager;
} elseif ($less = $this->configPaths->which('less')) {
// check for the presence of less...
// n.b. The busybox less implementation is a bit broken, so
// let's not use it by default.
//
// See https://github.com/bobthecow/psysh/issues/778
if (@\is_link($less)) {
$link = @\readlink($less);
if ($link !== false && \strpos($link, 'busybox') !== false) {
return false;
}
}
$this->pager = $less.' -R -F -X';
}
}
return $this->pager;
}
/**
* Set the Shell AutoCompleter service.
*
* @param AutoCompleter $autoCompleter
*/
public function setAutoCompleter(AutoCompleter $autoCompleter)
{
$this->autoCompleter = $autoCompleter;
}
/**
* Get an AutoCompleter service instance.
*/
public function getAutoCompleter(): AutoCompleter
{
if (!isset($this->autoCompleter)) {
$this->autoCompleter = new AutoCompleter();
}
return $this->autoCompleter;
}
/**
* @deprecated Nothing should be using this anymore
*/
public function getTabCompletionMatchers(): array
{
@\trigger_error('`getTabCompletionMatchers` is no longer used.', \E_USER_DEPRECATED);
return [];
}
/**
* Add tab completion matchers to the AutoCompleter.
*
* This will buffer new matchers in the event that the Shell has not yet
* been instantiated. This allows the user to specify matchers in their
* config rc file, despite the fact that their file is needed in the Shell
* constructor.
*
* @param array $matchers
*/
public function addMatchers(array $matchers)
{
$this->newMatchers = \array_merge($this->newMatchers, $matchers);
if (isset($this->shell)) {
$this->doAddMatchers();
}
}
/**
* Internal method for adding tab completion matchers. This will set any new
* matchers once a Shell is available.
*/
private function doAddMatchers()
{
if (!empty($this->newMatchers)) {
$this->shell->addMatchers($this->newMatchers);
$this->newMatchers = [];
}
}
/**
* @deprecated Use `addMatchers` instead
*
* @param array $matchers
*/
public function addTabCompletionMatchers(array $matchers)
{
@\trigger_error('`addTabCompletionMatchers` is deprecated; call `addMatchers` instead.', \E_USER_DEPRECATED);
$this->addMatchers($matchers);
}
/**
* Add commands to the Shell.
*
* This will buffer new commands in the event that the Shell has not yet
* been instantiated. This allows the user to specify commands in their
* config rc file, despite the fact that their file is needed in the Shell
* constructor.
*
* @param array $commands
*/
public function addCommands(array $commands)
{
$this->newCommands = \array_merge($this->newCommands, $commands);
if (isset($this->shell)) {
$this->doAddCommands();
}
}
/**
* Internal method for adding commands. This will set any new commands once
* a Shell is available.
*/
private function doAddCommands()
{
if (!empty($this->newCommands)) {
$this->shell->addCommands($this->newCommands);
$this->newCommands = [];
}
}
/**
* Set the Shell backreference and add any new commands to the Shell.
*
* @param Shell $shell
*/
public function setShell(Shell $shell)
{
$this->shell = $shell;
$this->doAddCommands();
$this->doAddMatchers();
}
/**
* Set the PHP manual database file.
*
* This file should be an SQLite database generated from the phpdoc source
* with the `bin/build_manual` script.
*
* @param string $filename
*/
public function setManualDbFile(string $filename)
{
$this->manualDbFile = (string) $filename;
}
/**
* Get the current PHP manual database file.
*
* @return string|null Default: '~/.local/share/psysh/php_manual.sqlite'
*/
public function getManualDbFile()
{
if (isset($this->manualDbFile)) {
return $this->manualDbFile;
}
$files = $this->configPaths->dataFiles(['php_manual.sqlite']);
if (!empty($files)) {
if ($this->warnOnMultipleConfigs && \count($files) > 1) {
$msg = \sprintf('Multiple manual database files found: %s. Using %s', \implode(', ', $files), $files[0]);
\trigger_error($msg, \E_USER_NOTICE);
}
return $this->manualDbFile = $files[0];
}
}
/**
* Get a PHP manual database connection.
*
* @return \PDO|null
*/
public function getManualDb()
{
if (!isset($this->manualDb)) {
$dbFile = $this->getManualDbFile();
if ($dbFile !== null && \is_file($dbFile)) {
try {
$this->manualDb = new \PDO('sqlite:'.$dbFile);
} catch (\PDOException $e) {
if ($e->getMessage() === 'could not find driver') {
throw new RuntimeException('SQLite PDO driver not found', 0, $e);
} else {
throw $e;
}
}
}
}
return $this->manualDb;
}
/**
* Add an array of casters definitions.
*
* @param array $casters
*/
public function addCasters(array $casters)
{
$this->getPresenter()->addCasters($casters);
}
/**
* Get the Presenter service.
*/
public function getPresenter(): Presenter
{
if (!isset($this->presenter)) {
$this->presenter = new Presenter($this->getOutput()->getFormatter(), $this->forceArrayIndexes());
}
return $this->presenter;
}
/**
* Enable or disable warnings on multiple configuration or data files.
*
* @see self::warnOnMultipleConfigs()
*
* @param bool $warnOnMultipleConfigs
*/
public function setWarnOnMultipleConfigs(bool $warnOnMultipleConfigs)
{
$this->warnOnMultipleConfigs = (bool) $warnOnMultipleConfigs;
}
/**
* Check whether to warn on multiple configuration or data files.
*
* By default, PsySH will use the file with highest precedence, and will
* silently ignore all others. With this enabled, a warning will be emitted
* (but not an exception thrown) if multiple configuration or data files
* are found.
*
* This will default to true in a future release, but is false for now.
*/
public function warnOnMultipleConfigs(): bool
{
return $this->warnOnMultipleConfigs;
}
/**
* Set the current color mode.
*
* @throws \InvalidArgumentException if the color mode isn't auto, forced or disabled
*
* @param string $colorMode
*/
public function setColorMode(string $colorMode)
{
$validColorModes = [
self::COLOR_MODE_AUTO,
self::COLOR_MODE_FORCED,
self::COLOR_MODE_DISABLED,
];
if (!\in_array($colorMode, $validColorModes)) {
throw new \InvalidArgumentException('Invalid color mode: '.$colorMode);
}
$this->colorMode = $colorMode;
}
/**
* Get the current color mode.
*/
public function colorMode(): string
{
return $this->colorMode;
}
/**
* Set the shell's interactive mode.
*
* @throws \InvalidArgumentException if interactive mode isn't disabled, forced, or auto
*
* @param string $interactiveMode
*/
public function setInteractiveMode(string $interactiveMode)
{
$validInteractiveModes = [
self::INTERACTIVE_MODE_AUTO,
self::INTERACTIVE_MODE_FORCED,
self::INTERACTIVE_MODE_DISABLED,
];
if (!\in_array($interactiveMode, $validInteractiveModes)) {
throw new \InvalidArgumentException('Invalid interactive mode: '.$interactiveMode);
}
$this->interactiveMode = $interactiveMode;
}
/**
* Get the current interactive mode.
*/
public function interactiveMode(): string
{
return $this->interactiveMode;
}
/**
* Set an update checker service instance.
*
* @param Checker $checker
*/
public function setChecker(Checker $checker)
{
$this->checker = $checker;
}
/**
* Get an update checker service instance.
*
* If none has been explicitly defined, this will create a new instance.
*/
public function getChecker(): Checker
{
if (!isset($this->checker)) {
$interval = $this->getUpdateCheck();
switch ($interval) {
case Checker::ALWAYS:
$this->checker = new GitHubChecker();
break;
case Checker::DAILY:
case Checker::WEEKLY:
case Checker::MONTHLY:
$checkFile = $this->getUpdateCheckCacheFile();
if ($checkFile === false) {
$this->checker = new NoopChecker();
} else {
$this->checker = new IntervalChecker($checkFile, $interval);
}
break;
case Checker::NEVER:
$this->checker = new NoopChecker();
break;
}
}
return $this->checker;
}
/**
* Get the current update check interval.
*
* One of 'always', 'daily', 'weekly', 'monthly' or 'never'. If none is
* explicitly set, default to 'weekly'.
*/
public function getUpdateCheck(): string
{
return isset($this->updateCheck) ? $this->updateCheck : Checker::WEEKLY;
}
/**
* Set the update check interval.
*
* @throws \InvalidArgumentException if the update check interval is unknown
*
* @param string $interval
*/
public function setUpdateCheck(string $interval)
{
$validIntervals = [
Checker::ALWAYS,
Checker::DAILY,
Checker::WEEKLY,
Checker::MONTHLY,
Checker::NEVER,
];
if (!\in_array($interval, $validIntervals)) {
throw new \InvalidArgumentException('Invalid update check interval: '.$interval);
}
$this->updateCheck = $interval;
}
/**
* Get a cache file path for the update checker.
*
* @return string|false Return false if config file/directory is not writable
*/
public function getUpdateCheckCacheFile()
{
$configDir = $this->configPaths->currentConfigDir();
if ($configDir === null) {
return false;
}
return ConfigPaths::touchFileWithMkdir($configDir.'/update_check.json');
}
/**
* Set the startup message.
*
* @param string $message
*/
public function setStartupMessage(string $message)
{
$this->startupMessage = $message;
}
/**
* Get the startup message.
*
* @return string|null
*/
public function getStartupMessage()
{
return $this->startupMessage;
}
/**
* Set the prompt.
*
* @deprecated The `prompt` configuration has been replaced by Themes and support will
* eventually be removed. In the meantime, prompt is applied first by the Theme, then overridden
* by any explicitly defined prompt.
*
* Note that providing a prompt but not a theme config will implicitly use the `classic` theme.
*/
public function setPrompt(string $prompt)
{
$this->prompt = $prompt;
if (isset($this->theme)) {
$this->theme->setPrompt($prompt);
}
}
/**
* Get the prompt.
*
* @return string|null
*/
public function getPrompt()
{
return $this->prompt;
}
/**
* Get the force array indexes.
*/
public function forceArrayIndexes(): bool
{
return $this->forceArrayIndexes;
}
/**
* Set the force array indexes.
*
* @param bool $forceArrayIndexes
*/
public function setForceArrayIndexes(bool $forceArrayIndexes)
{
$this->forceArrayIndexes = $forceArrayIndexes;
}
/**
* Set the current output Theme.
*
* @param Theme|string|array $theme Theme (or Theme config)
*/
public function setTheme($theme)
{
if (!$theme instanceof Theme) {
$theme = new Theme($theme);
}
$this->theme = $theme;
if (isset($this->prompt)) {
$this->theme->setPrompt($this->prompt);
}
if (isset($this->output)) {
$this->output->setTheme($theme);
$this->applyFormatterStyles();
}
}
/**
* Get the current output Theme.
*/
public function theme(): Theme
{
if (!isset($this->theme)) {
// If a prompt is explicitly set, and a theme is not, base it on the `classic` theme.
$this->theme = $this->prompt ? new Theme('classic') : new Theme();
}
if (isset($this->prompt)) {
$this->theme->setPrompt($this->prompt);
}
return $this->theme;
}
/**
* Set the shell output formatter styles.
*
* Accepts a map from style name to [fg, bg, options], for example:
*
* [
* 'error' => ['white', 'red', ['bold']],
* 'warning' => ['black', 'yellow'],
* ]
*
* Foreground, background or options can be null, or even omitted entirely.
*
* @deprecated The `formatterStyles` configuration has been replaced by Themes and support will
* eventually be removed. In the meantime, styles are applied first by the Theme, then
* overridden by any explicitly defined formatter styles.
*/
public function setFormatterStyles(array $formatterStyles)
{
foreach ($formatterStyles as $name => $style) {
$this->formatterStyles[$name] = new OutputFormatterStyle(...$style);
}
if (isset($this->output)) {
$this->applyFormatterStyles();
}
}
/**
* Internal method for applying output formatter style customization.
*
* This is called on initialization of the shell output, and again if the
* formatter styles config is updated.
*
* @deprecated The `formatterStyles` configuration has been replaced by Themes and support will
* eventually be removed. In the meantime, styles are applied first by the Theme, then
* overridden by any explicitly defined formatter styles.
*/
private function applyFormatterStyles()
{
$formatter = $this->output->getFormatter();
foreach ($this->formatterStyles as $name => $style) {
$formatter->setStyle($name, $style);
}
$errorFormatter = $this->output->getErrorOutput()->getFormatter();
foreach (Theme::ERROR_STYLES as $name) {
if (isset($this->formatterStyles[$name])) {
$errorFormatter->setStyle($name, $this->formatterStyles[$name]);
}
}
}
/**
* Get the configured output verbosity.
*/
public function verbosity(): string
{
return $this->verbosity;
}
/**
* Set the shell output verbosity.
*
* Accepts OutputInterface verbosity constants.
*
* @throws \InvalidArgumentException if verbosity level is invalid
*
* @param string $verbosity
*/
public function setVerbosity(string $verbosity)
{
$validVerbosityLevels = [
self::VERBOSITY_QUIET,
self::VERBOSITY_NORMAL,
self::VERBOSITY_VERBOSE,
self::VERBOSITY_VERY_VERBOSE,
self::VERBOSITY_DEBUG,
];
if (!\in_array($verbosity, $validVerbosityLevels)) {
throw new \InvalidArgumentException('Invalid verbosity level: '.$verbosity);
}
$this->verbosity = $verbosity;
if (isset($this->output)) {
$this->output->setVerbosity($this->getOutputVerbosity());
}
}
/**
* Map the verbosity configuration to OutputInterface verbosity constants.
*
* @return int OutputInterface verbosity level
*/
public function getOutputVerbosity(): int
{
switch ($this->verbosity()) {
case self::VERBOSITY_QUIET:
return OutputInterface::VERBOSITY_QUIET;
case self::VERBOSITY_VERBOSE:
return OutputInterface::VERBOSITY_VERBOSE;
case self::VERBOSITY_VERY_VERBOSE:
return OutputInterface::VERBOSITY_VERY_VERBOSE;
case self::VERBOSITY_DEBUG:
return OutputInterface::VERBOSITY_DEBUG;
case self::VERBOSITY_NORMAL:
default:
return OutputInterface::VERBOSITY_NORMAL;
}
}
/**
* Guess whether stdin is piped.
*
* This is mostly useful for deciding whether to use non-interactive mode.
*/
public function inputIsPiped(): bool
{
if ($this->pipedInput === null) {
$this->pipedInput = \defined('STDIN') && self::looksLikeAPipe(\STDIN);
}
return $this->pipedInput;
}
/**
* Guess whether shell output is piped.
*
* This is mostly useful for deciding whether to use non-decorated output.
*/
public function outputIsPiped(): bool
{
if ($this->pipedOutput === null) {
$this->pipedOutput = self::looksLikeAPipe($this->getOutput()->getStream());
}
return $this->pipedOutput;
}
/**
* Guess whether an input or output stream is piped.
*
* @param resource|int $stream
*/
private static function looksLikeAPipe($stream): bool
{
if (\function_exists('posix_isatty')) {
return !\posix_isatty($stream);
}
$stat = \fstat($stream);
$mode = $stat['mode'] & 0170000;
return $mode === 0010000 || $mode === 0040000 || $mode === 0100000 || $mode === 0120000;
}
}

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