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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2018 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\VersionUpdater\GitHubChecker;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use XdgBaseDir\Xdg;
if (!\function_exists('Psy\sh')) {
/**
* Command to return the eval-able code to startup PsySH.
*
* eval(\Psy\sh());
*
* @return string
*/
function sh()
{
return 'extract(\Psy\debug(get_defined_vars(), isset($this) ? $this : @get_called_class()));';
}
}
if (!\function_exists('Psy\debug')) {
/**
* Invoke a Psy Shell from the current context.
*
* For example:
*
* foreach ($items as $item) {
* \Psy\debug(get_defined_vars());
* }
*
* If you would like your shell interaction to affect the state of the
* current context, you can extract() the values returned from this call:
*
* foreach ($items as $item) {
* extract(\Psy\debug(get_defined_vars()));
* var_dump($item); // will be whatever you set $item to in Psy Shell
* }
*
* Optionally, supply an object as the `$bindTo` parameter. This determines
* the value `$this` will have in the shell, and sets up class scope so that
* private and protected members are accessible:
*
* class Foo {
* function bar() {
* \Psy\debug(get_defined_vars(), $this);
* }
* }
*
* For the static equivalent, pass a class name as the `$bindTo` parameter.
* This makes `self` work in the shell, and sets up static scope so that
* private and protected static members are accessible:
*
* class Foo {
* static function bar() {
* \Psy\debug(get_defined_vars(), get_called_class());
* }
* }
*
* @param array $vars Scope variables from the calling context (default: array())
* @param object|string $bindTo Bound object ($this) or class (self) value for the shell
*
* @return array Scope variables from the debugger session
*/
function debug(array $vars = [], $bindTo = null)
{
echo PHP_EOL;
$sh = new Shell();
$sh->setScopeVariables($vars);
// Show a couple of lines of call context for the debug session.
//
// @todo come up with a better way of doing this which doesn't involve injecting input :-P
if ($sh->has('whereami')) {
$sh->addInput('whereami -n2', true);
}
if (\is_string($bindTo)) {
$sh->setBoundClass($bindTo);
} elseif ($bindTo !== null) {
$sh->setBoundObject($bindTo);
}
$sh->run();
return $sh->getScopeVariables(false);
}
}
if (!\function_exists('Psy\info')) {
/**
* Get a bunch of debugging info about the current PsySH environment and
* configuration.
*
* If a Configuration param is passed, that configuration is stored and
* used for the current shell session, and no debugging info is returned.
*
* @param Configuration|null $config
*
* @return array|null
*/
function info(Configuration $config = null)
{
static $lastConfig;
if ($config !== null) {
$lastConfig = $config;
return;
}
$xdg = new Xdg();
$home = \rtrim(\str_replace('\\', '/', $xdg->getHomeDir()), '/');
$homePattern = '#^' . \preg_quote($home, '#') . '/#';
$prettyPath = function ($path) use ($homePattern) {
if (\is_string($path)) {
return \preg_replace($homePattern, '~/', $path);
} else {
return $path;
}
};
$config = $lastConfig ?: new Configuration();
$core = [
'PsySH version' => Shell::VERSION,
'PHP version' => PHP_VERSION,
'OS' => PHP_OS,
'default includes' => $config->getDefaultIncludes(),
'require semicolons' => $config->requireSemicolons(),
'error logging level' => $config->errorLoggingLevel(),
'config file' => [
'default config file' => $prettyPath($config->getConfigFile()),
'local config file' => $prettyPath($config->getLocalConfigFile()),
'PSYSH_CONFIG env' => $prettyPath(\getenv('PSYSH_CONFIG')),
],
// 'config dir' => $config->getConfigDir(),
// 'data dir' => $config->getDataDir(),
// 'runtime dir' => $config->getRuntimeDir(),
];
// Use an explicit, fresh update check here, rather than relying on whatever is in $config.
$checker = new GitHubChecker();
$updateAvailable = null;
$latest = null;
try {
$updateAvailable = !$checker->isLatest();
$latest = $checker->getLatest();
} catch (\Exception $e) {
}
$updates = [
'update available' => $updateAvailable,
'latest release version' => $latest,
'update check interval' => $config->getUpdateCheck(),
'update cache file' => $prettyPath($config->getUpdateCheckCacheFile()),
];
if ($config->hasReadline()) {
$info = \readline_info();
$readline = [
'readline available' => true,
'readline enabled' => $config->useReadline(),
'readline service' => \get_class($config->getReadline()),
];
if (isset($info['library_version'])) {
$readline['readline library'] = $info['library_version'];
}
if (isset($info['readline_name']) && $info['readline_name'] !== '') {
$readline['readline name'] = $info['readline_name'];
}
} else {
$readline = [
'readline available' => false,
];
}
$pcntl = [
'pcntl available' => \function_exists('pcntl_signal'),
'posix available' => \function_exists('posix_getpid'),
];
$disabledFuncs = \array_map('trim', \explode(',', \ini_get('disable_functions')));
if (\in_array('pcntl_signal', $disabledFuncs) || \in_array('pcntl_fork', $disabledFuncs)) {
$pcntl['pcntl disabled'] = true;
}
$history = [
'history file' => $prettyPath($config->getHistoryFile()),
'history size' => $config->getHistorySize(),
'erase duplicates' => $config->getEraseDuplicates(),
];
$docs = [
'manual db file' => $prettyPath($config->getManualDbFile()),
'sqlite available' => true,
];
try {
if ($db = $config->getManualDb()) {
if ($q = $db->query('SELECT * FROM meta;')) {
$q->setFetchMode(\PDO::FETCH_KEY_PAIR);
$meta = $q->fetchAll();
foreach ($meta as $key => $val) {
switch ($key) {
case 'built_at':
$d = new \DateTime('@' . $val);
$val = $d->format(\DateTime::RFC2822);
break;
}
$key = 'db ' . \str_replace('_', ' ', $key);
$docs[$key] = $val;
}
} else {
$docs['db schema'] = '0.1.0';
}
}
} catch (Exception\RuntimeException $e) {
if ($e->getMessage() === 'SQLite PDO driver not found') {
$docs['sqlite available'] = false;
} else {
throw $e;
}
}
$autocomplete = [
'tab completion enabled' => $config->useTabCompletion(),
'custom matchers' => \array_map('get_class', $config->getTabCompletionMatchers()),
'bracketed paste' => $config->useBracketedPaste(),
];
// Shenanigans, but totally justified.
if ($shell = Sudo::fetchProperty($config, 'shell')) {
$core['loop listeners'] = \array_map('get_class', Sudo::fetchProperty($shell, 'loopListeners'));
$core['commands'] = \array_map('get_class', $shell->all());
$autocomplete['custom matchers'] = \array_map('get_class', Sudo::fetchProperty($shell, 'matchers'));
}
// @todo Show Presenter / custom casters.
return \array_merge($core, \compact('updates', 'pcntl', 'readline', 'history', 'docs', 'autocomplete'));
}
}
if (!\function_exists('Psy\bin')) {
/**
* `psysh` command line executable.
*
* @return \Closure
*/
function bin()
{
return function () {
$usageException = null;
$input = new ArgvInput();
try {
$input->bind(new InputDefinition([
new InputOption('help', 'h', InputOption::VALUE_NONE),
new InputOption('config', 'c', InputOption::VALUE_REQUIRED),
new InputOption('version', 'v', InputOption::VALUE_NONE),
new InputOption('cwd', null, InputOption::VALUE_REQUIRED),
new InputOption('color', null, InputOption::VALUE_NONE),
new InputOption('no-color', null, InputOption::VALUE_NONE),
new InputArgument('include', InputArgument::IS_ARRAY),
]));
} catch (\RuntimeException $e) {
$usageException = $e;
}
$config = [];
// Handle --config
if ($configFile = $input->getOption('config')) {
$config['configFile'] = $configFile;
}
// Handle --color and --no-color
if ($input->getOption('color') && $input->getOption('no-color')) {
$usageException = new \RuntimeException('Using both "--color" and "--no-color" options is invalid');
} elseif ($input->getOption('color')) {
$config['colorMode'] = Configuration::COLOR_MODE_FORCED;
} elseif ($input->getOption('no-color')) {
$config['colorMode'] = Configuration::COLOR_MODE_DISABLED;
}
$shell = new Shell(new Configuration($config));
// Handle --help
if ($usageException !== null || $input->getOption('help')) {
if ($usageException !== null) {
echo $usageException->getMessage() . PHP_EOL . PHP_EOL;
}
$version = $shell->getVersion();
$name = \basename(\reset($_SERVER['argv']));
echo <<<EOL
$version
Usage:
$name [--version] [--help] [files...]
Options:
--help -h Display this help message.
--config -c Use an alternate PsySH config file location.
--cwd Use an alternate working directory.
--version -v Display the PsySH version.
--color Force colors in output.
--no-color Disable colors in output.
EOL;
exit($usageException === null ? 0 : 1);
}
// Handle --version
if ($input->getOption('version')) {
echo $shell->getVersion() . PHP_EOL;
exit(0);
}
// Pass additional arguments to Shell as 'includes'
$shell->setIncludes($input->getArgument('include'));
try {
// And go!
$shell->run();
} catch (\Exception $e) {
echo $e->getMessage() . PHP_EOL;
// @todo this triggers the "exited unexpectedly" logic in the
// ForkingLoop, so we can't exit(1) after starting the shell...
// fix this :)
// exit(1);
}
};
}
}