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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\Reflection;
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/**
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 * Somehow the standard reflection library doesn't include constants.
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 *
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 * ReflectionConstant_ corrects that omission.
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 *
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 * Note: For backwards compatibility reasons, this class is named
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 * ReflectionConstant_ rather than ReflectionConstant. It will be renamed in
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 * v0.10.0.
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 */
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class ReflectionConstant_ implements \Reflector
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{
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    public $name;
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    private $value;
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    private static $magicConstants = [
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        '__LINE__',
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        '__FILE__',
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        '__DIR__',
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        '__FUNCTION__',
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        '__CLASS__',
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        '__TRAIT__',
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        '__METHOD__',
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        '__NAMESPACE__',
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        '__COMPILER_HALT_OFFSET__',
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    ];
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    /**
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     * Construct a ReflectionConstant_ object.
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     *
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     * @param string $name
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     */
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    public function __construct(string $name)
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    {
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        $this->name = $name;
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        if (!\defined($name) && !self::isMagicConstant($name)) {
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            throw new \InvalidArgumentException('Unknown constant: '.$name);
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        }
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        if (!self::isMagicConstant($name)) {
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            $this->value = @\constant($name);
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        }
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    }
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    /**
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     * Exports a reflection.
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     *
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     * @param string $name
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     * @param bool   $return pass true to return the export, as opposed to emitting it
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     *
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     * @return string|null
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     */
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    public static function export(string $name, bool $return = false)
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    {
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        $refl = new self($name);
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        $value = $refl->getValue();
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        $str = \sprintf('Constant [ %s %s ] { %s }', \gettype($value), $refl->getName(), $value);
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        if ($return) {
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            return $str;
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        }
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        echo $str."\n";
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    }
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    public static function isMagicConstant($name)
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    {
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        return \in_array($name, self::$magicConstants);
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    }
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    /**
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     * Get the constant's docblock.
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     *
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     * @return false
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     */
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    public function getDocComment(): bool
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    {
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        return false;
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    }
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    /**
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     * Gets the constant name.
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     *
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     * @return string
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     */
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    public function getName(): string
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    {
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        return $this->name;
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    }
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    /**
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     * Gets the namespace name.
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     *
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     * Returns '' when the constant is not namespaced.
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     *
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     * @return string
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     */
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    public function getNamespaceName(): string
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    {
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        if (!$this->inNamespace()) {
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            return '';
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        }
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        return \preg_replace('/\\\\[^\\\\]+$/', '', $this->name);
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    }
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    /**
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     * Gets the value of the constant.
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     *
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     * @return mixed
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     */
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    public function getValue()
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    {
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        return $this->value;
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    }
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    /**
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     * Checks if this constant is defined in a namespace.
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     *
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     * @return bool
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     */
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    public function inNamespace(): bool
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    {
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        return \strpos($this->name, '\\') !== false;
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    }
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    /**
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     * To string.
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     *
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     * @return string
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     */
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    public function __toString(): string
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    {
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        return $this->getName();
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    }
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    /**
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     * Gets the constant's file name.
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     *
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     * Currently returns null, because if it returns a file name the signature
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     * formatter will barf.
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     */
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    public function getFileName()
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    {
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        return;
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        // return $this->class->getFileName();
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    }
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    /**
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     * Get the code start line.
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     *
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     * @throws \RuntimeException
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     */
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    public function getStartLine()
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    {
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        throw new \RuntimeException('Not yet implemented because it\'s unclear what I should do here :)');
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    }
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    /**
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     * Get the code end line.
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     *
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     * @throws \RuntimeException
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     */
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    public function getEndLine()
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    {
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        return $this->getStartLine();
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    }
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}