<?php declare(strict_types=1);
/*
 * This file is part of sebastian/code-unit-reverse-lookup.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace SebastianBergmann\CodeUnitReverseLookup;

use function array_merge;
use function assert;
use function get_declared_classes;
use function get_declared_traits;
use function get_defined_functions;
use function is_array;
use function range;
use ReflectionClass;
use ReflectionFunction;
use ReflectionFunctionAbstract;
use ReflectionMethod;

/**
 * @since Class available since Release 1.0.0
 */
class Wizard
{
    /**
     * @var array
     */
    private $lookupTable = [];

    /**
     * @var array
     */
    private $processedClasses = [];

    /**
     * @var array
     */
    private $processedFunctions = [];

    /**
     * @param string $filename
     * @param int    $lineNumber
     *
     * @return string
     */
    public function lookup($filename, $lineNumber)
    {
        if (!isset($this->lookupTable[$filename][$lineNumber])) {
            $this->updateLookupTable();
        }

        if (isset($this->lookupTable[$filename][$lineNumber])) {
            return $this->lookupTable[$filename][$lineNumber];
        }

        return $filename . ':' . $lineNumber;
    }

    private function updateLookupTable(): void
    {
        $this->processClassesAndTraits();
        $this->processFunctions();
    }

    private function processClassesAndTraits(): void
    {
        $classes = get_declared_classes();
        $traits  = get_declared_traits();

        assert(is_array($classes));
        assert(is_array($traits));

        foreach (array_merge($classes, $traits) as $classOrTrait) {
            if (isset($this->processedClasses[$classOrTrait])) {
                continue;
            }

            $reflector = new ReflectionClass($classOrTrait);

            foreach ($reflector->getMethods() as $method) {
                $this->processFunctionOrMethod($method);
            }

            $this->processedClasses[$classOrTrait] = true;
        }
    }

    private function processFunctions(): void
    {
        foreach (get_defined_functions()['user'] as $function) {
            if (isset($this->processedFunctions[$function])) {
                continue;
            }

            $this->processFunctionOrMethod(new ReflectionFunction($function));

            $this->processedFunctions[$function] = true;
        }
    }

    private function processFunctionOrMethod(ReflectionFunctionAbstract $functionOrMethod): void
    {
        if ($functionOrMethod->isInternal()) {
            return;
        }

        $name = $functionOrMethod->getName();

        if ($functionOrMethod instanceof ReflectionMethod) {
            $name = $functionOrMethod->getDeclaringClass()->getName() . '::' . $name;
        }

        if (!isset($this->lookupTable[$functionOrMethod->getFileName()])) {
            $this->lookupTable[$functionOrMethod->getFileName()] = [];
        }

        foreach (range($functionOrMethod->getStartLine(), $functionOrMethod->getEndLine()) as $line) {
            $this->lookupTable[$functionOrMethod->getFileName()][$line] = $name;
        }
    }
}

• [F] Wizard.php
  Delete

Blog Section

Discover the Latest in Digital Payments and NFC Technology

Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.

The Rise of Contactless Payments:...

In recent years, contactless payments have surged in popularity, driven...

Visit Blog

March 27, 2024

Enhancing Payment Security: The Role...

As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...

Visit Blog

March 27, 2024

The Future of Digital Wallets:...

Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...

Visit Blog

March 27, 2024