Viewing file:  ConstantEnumerator.php (4.63 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;
/**
* Constant Enumerator class.
*/
class ConstantEnumerator extends Enumerator
{
// Because `Json` is ugly.
private static $categoryLabels = [
'libxml' => 'libxml',
'openssl' => 'OpenSSL',
'pcre' => 'PCRE',
'sqlite3' => 'SQLite3',
'curl' => 'cURL',
'dom' => 'DOM',
'ftp' => 'FTP',
'gd' => 'GD',
'gmp' => 'GMP',
'iconv' => 'iconv',
'json' => 'JSON',
'ldap' => 'LDAP',
'mbstring' => 'mbstring',
'odbc' => 'ODBC',
'pcntl' => 'PCNTL',
'pgsql' => 'pgsql',
'posix' => 'POSIX',
'mysqli' => 'mysqli',
'soap' => 'SOAP',
'exif' => 'EXIF',
'sysvmsg' => 'sysvmsg',
'xml' => 'XML',
'xsl' => 'XSL',
];
/**
* {@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 constants if we are specifically asked
if (!$input->getOption('constants')) {
return [];
}
$user = $input->getOption('user');
$internal = $input->getOption('internal');
$category = $input->getOption('category');
if ($category) {
$category = \strtolower($category);
if ($category === 'internal') {
$internal = true;
$category = null;
} elseif ($category === 'user') {
$user = true;
$category = null;
}
}
$ret = [];
if ($user) {
$ret['User Constants'] = $this->getConstants('user');
}
if ($internal) {
$ret['Internal Constants'] = $this->getConstants('internal');
}
if ($category) {
$caseCategory = \array_key_exists($category, self::$categoryLabels) ? self::$categoryLabels[$category] : \ucfirst($category);
$label = $caseCategory.' Constants';
$ret[$label] = $this->getConstants($category);
}
if (!$user && !$internal && !$category) {
$ret['Constants'] = $this->getConstants();
}
if ($reflector !== null) {
$prefix = \strtolower($reflector->getName()).'\\';
foreach ($ret as $key => $names) {
foreach (\array_keys($names) as $name) {
if (\strpos(\strtolower($name), $prefix) !== 0) {
unset($ret[$key][$name]);
}
}
}
}
return \array_map([$this, 'prepareConstants'], \array_filter($ret));
}
/**
* Get defined constants.
*
* Optionally restrict constants to a given category, e.g. "date". If the
* category is "internal", include all non-user-defined constants.
*
* @param string $category
*
* @return array
*/
protected function getConstants(string $category = null): array
{
if (!$category) {
return \get_defined_constants();
}
$consts = \get_defined_constants(true);
if ($category === 'internal') {
unset($consts['user']);
return \array_merge(...\array_values($consts));
}
foreach ($consts as $key => $value) {
if (\strtolower($key) === $category) {
return $value;
}
}
return [];
}
/**
* Prepare formatted constant array.
*
* @param array $constants
*
* @return array
*/
protected function prepareConstants(array $constants): array
{
// My kingdom for a generator.
$ret = [];
$names = \array_keys($constants);
\natcasesort($names);
foreach ($names as $name) {
if ($this->showItem($name)) {
$ret[$name] = [
'name' => $name,
'style' => self::IS_CONSTANT,
'value' => $this->presentRef($constants[$name]),
];
}
}
return $ret;
}
}
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