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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2017 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 Symfony\Component\Console\Input\InputInterface;
/**
* Function Enumerator class.
*/
class FunctionEnumerator extends Enumerator
{
/**
* {@inheritdoc}
*/
protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
{
// only list functions when no Reflector is present.
//
// @todo make a NamespaceReflector and pass that in for commands like:
//
// ls --functions Foo
//
// ... for listing functions in the Foo namespace
if ($reflector !== null || $target !== null) {
return;
}
// only list functions if we are specifically asked
if (!$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();
}
$functions = $this->prepareFunctions($functions);
if (empty($functions)) {
return;
}
$ret = array();
$ret[$label] = $functions;
return $ret;
}
/**
* Get defined functions.
*
* Optionally limit functions to "user" or "internal" functions.
*
* @param null|string $type "user" or "internal" (default: both)
*
* @return array
*/
protected function getFunctions($type = null)
{
$funcs = get_defined_functions();
if ($type) {
return $funcs[$type];
} else {
return array_merge($funcs['internal'], $funcs['user']);
}
}
/**
* Prepare formatted function array.
*
* @param array $functions
*
* @return array
*/
protected function prepareFunctions(array $functions)
{
natcasesort($functions);
// My kingdom for a generator.
$ret = array();
foreach ($functions as $name) {
if ($this->showItem($name)) {
$ret[$name] = array(
'name' => $name,
'style' => self::IS_FUNCTION,
'value' => $this->presentSignature($name),
);
}
}
return $ret;
}
}