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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) 2012-2022 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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 * Property Enumerator class.
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 */
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class PropertyEnumerator 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, $target = null): array
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    {
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        // only list properties when a Reflector is present.
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        if ($reflector === null) {
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            return [];
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        }
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        // We can only list properties on actual class (or object) reflectors.
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        if (!$reflector instanceof \ReflectionClass) {
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            return [];
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        }
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        // only list properties if we are specifically asked
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        if (!$input->getOption('properties')) {
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            return [];
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        }
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        $showAll = $input->getOption('all');
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        $noInherit = $input->getOption('no-inherit');
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        $properties = $this->prepareProperties($this->getProperties($showAll, $reflector, $noInherit), $target);
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        if (empty($properties)) {
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            return [];
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        }
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        $ret = [];
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        $ret[$this->getKindLabel($reflector)] = $properties;
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        return $ret;
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    }
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    /**
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     * Get defined properties for the given class or object Reflector.
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     *
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     * @param bool       $showAll   Include private and protected properties
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     * @param \Reflector $reflector
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     * @param bool       $noInherit Exclude inherited properties
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     *
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     * @return array
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     */
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    protected function getProperties(bool $showAll, \Reflector $reflector, bool $noInherit = false): array
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    {
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        $className = $reflector->getName();
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        $properties = [];
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        foreach ($reflector->getProperties() as $property) {
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            if ($noInherit && $property->getDeclaringClass()->getName() !== $className) {
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                continue;
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            }
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            if ($showAll || $property->isPublic()) {
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                $properties[$property->getName()] = $property;
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            }
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        }
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        \ksort($properties, \SORT_NATURAL | \SORT_FLAG_CASE);
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        return $properties;
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    }
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    /**
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     * Prepare formatted property array.
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     *
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     * @param array $properties
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     *
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     * @return array
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     */
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    protected function prepareProperties(array $properties, $target = null): array
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    {
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        // My kingdom for a generator.
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        $ret = [];
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        foreach ($properties as $name => $property) {
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            if ($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' => $this->getVisibilityStyle($property),
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                    'value' => $this->presentValue($property, $target),
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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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    /**
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     * Get a label for the particular kind of "class" represented.
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     *
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     * @param \ReflectionClass $reflector
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     *
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     * @return string
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     */
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    protected function getKindLabel(\ReflectionClass $reflector): string
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    {
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        if (\method_exists($reflector, 'isTrait') && $reflector->isTrait()) {
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            return 'Trait Properties';
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        } else {
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            return 'Class Properties';
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        }
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    }
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    /**
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     * Get output style for the given property's visibility.
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     *
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     * @param \ReflectionProperty $property
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     *
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     * @return string
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     */
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    private function getVisibilityStyle(\ReflectionProperty $property): string
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    {
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        if ($property->isPublic()) {
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            return self::IS_PUBLIC;
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        } elseif ($property->isProtected()) {
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            return self::IS_PROTECTED;
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        } else {
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            return self::IS_PRIVATE;
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        }
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    }
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    /**
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     * Present the $target's current value for a reflection property.
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     *
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     * @param \ReflectionProperty $property
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     * @param mixed               $target
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     *
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     * @return string
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     */
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    protected function presentValue(\ReflectionProperty $property, $target): string
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    {
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        if (!$target) {
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            return '';
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        }
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        // If $target is a class or trait (try to) get the default
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        // value for the property.
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        if (!\is_object($target)) {
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            try {
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                $refl = new \ReflectionClass($target);
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                $props = $refl->getDefaultProperties();
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                if (\array_key_exists($property->name, $props)) {
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                    $suffix = $property->isStatic() ? '' : ' <aside>(default)</aside>';
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                    return $this->presentRef($props[$property->name]).$suffix;
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                }
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            } catch (\Throwable $e) {
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                // Well, we gave it a shot.
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            }
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            return '';
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        }
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        $property->setAccessible(true);
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        $value = $property->getValue($target);
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        return $this->presentRef($value);
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    }
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}