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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/*
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 * This file is part of Psy Shell.
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 *
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 * (c) 2012-2023 Justin Hileman
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Psy\Command\ListCommand;
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use Symfony\Component\Console\Input\InputInterface;
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/**
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 * Global Variable Enumerator class.
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 */
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class GlobalVariableEnumerator extends Enumerator
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{
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    /**
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     * {@inheritdoc}
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     */
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    protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null): array
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    {
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        // only list globals when no Reflector is present.
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        if ($reflector !== null || $target !== null) {
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            return [];
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        }
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        // only list globals if we are specifically asked
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        if (!$input->getOption('globals')) {
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            return [];
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        }
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        $globals = $this->prepareGlobals($this->getGlobals());
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        if (empty($globals)) {
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            return [];
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        }
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        return [
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            'Global Variables' => $globals,
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        ];
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    }
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    /**
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     * Get defined global variables.
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     *
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     * @return array
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     */
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    protected function getGlobals(): array
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    {
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        global $GLOBALS;
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        $names = \array_keys($GLOBALS);
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        \natcasesort($names);
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        $ret = [];
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        foreach ($names as $name) {
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            $ret[$name] = $GLOBALS[$name];
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        }
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        return $ret;
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    }
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    /**
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     * Prepare formatted global variable array.
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     *
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     * @param array $globals
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     *
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     * @return array
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     */
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    protected function prepareGlobals(array $globals): array
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    {
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        // My kingdom for a generator.
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        $ret = [];
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        foreach ($globals as $name => $value) {
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            if ($this->showItem($name)) {
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                $fname = '$'.$name;
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                $ret[$fname] = [
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                    'name'  => $fname,
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                    'style' => self::IS_GLOBAL,
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                    'value' => $this->presentRef($value),
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                ];
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            }
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        }
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        return $ret;
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    }
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}