Viewing file:  FunctionEnumerator.php (3.01 KB) -rw-r--r--
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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\Command\ListCommand;
use Psy\Reflection\ReflectionNamespace;
use Symfony\Component\Console\Input\InputInterface;
/**
* Function Enumerator class.
*/
class FunctionEnumerator extends Enumerator
{
/**
* {@inheritdoc}
*/
protected function listItems(InputInterface $input, ?\Reflector $reflector = null, $target = null): array
{
// if we have a reflector, ensure that it's a namespace reflector
if (($target !== null || $reflector !== null) && !$reflector instanceof ReflectionNamespace) {
return [];
}
// only list functions if we are specifically asked
if (!$input->getOption('functions')) {
return [];
}
if ($input->getOption('user')) {
$label = 'User Functions';
$functions = $this->getFunctions('user');
} elseif ($input->getOption('internal')) {
$label = 'Internal Functions';
$functions = $this->getFunctions('internal');
} else {
$label = 'Functions';
$functions = $this->getFunctions();
}
$prefix = $reflector === null ? null : \strtolower($reflector->getName()).'\\';
$functions = $this->prepareFunctions($functions, $prefix);
if (empty($functions)) {
return [];
}
$ret = [];
$ret[$label] = $functions;
return $ret;
}
/**
* Get defined functions.
*
* Optionally limit functions to "user" or "internal" functions.
*
* @param string|null $type "user" or "internal" (default: both)
*
* @return array
*/
protected function getFunctions(?string $type = null): array
{
$funcs = \get_defined_functions();
if ($type) {
return $funcs[$type];
} else {
return \array_merge($funcs['internal'], $funcs['user']);
}
}
/**
* Prepare formatted function array.
*
* @param array $functions
* @param string $prefix
*
* @return array
*/
protected function prepareFunctions(array $functions, ?string $prefix = null): array
{
\natcasesort($functions);
// My kingdom for a generator.
$ret = [];
foreach ($functions as $name) {
if ($prefix !== null && \strpos(\strtolower($name), $prefix) !== 0) {
continue;
}
if ($this->showItem($name)) {
try {
$ret[$name] = [
'name' => $name,
'style' => self::IS_FUNCTION,
'value' => $this->presentSignature($name),
];
} catch (\Throwable $e) {
// Ignore failures.
}
}
}
return $ret;
}
}
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