<?php

namespace DI\Definition\Source;

use DI\Definition\AutowireDefinition;
use DI\Definition\Definition;
use DI\Definition\ObjectDefinition;

/**
 * Decorator that caches another definition source.
 *
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 */
class SourceCache implements DefinitionSource, MutableDefinitionSource
{
    /** @var string */
    const CACHE_KEY = 'php-di.definitions.';

    /** @var DefinitionSource */
    private $cachedSource;

    /** @var string */
    private $cacheNamespace;

    public function __construct(DefinitionSource $cachedSource, string $cacheNamespace = '')
    {
        $this->cachedSource = $cachedSource;
        $this->cacheNamespace = $cacheNamespace;
    }

    public function getDefinition(string $name)
    {
        $definition = apcu_fetch($this->getCacheKey($name));

        if ($definition === false) {
            $definition = $this->cachedSource->getDefinition($name);

            // Update the cache
            if ($this->shouldBeCached($definition)) {
                apcu_store($this->getCacheKey($name), $definition);
            }
        }

        return $definition;
    }

    /**
     * Used only for the compilation so we can skip the cache safely.
     */
    public function getDefinitions(): array
    {
        return $this->cachedSource->getDefinitions();
    }

    public static function isSupported(): bool
    {
        return function_exists('apcu_fetch')
            && ini_get('apc.enabled')
            && ! ('cli' === \PHP_SAPI && ! ini_get('apc.enable_cli'));
    }

    public function getCacheKey(string $name): string
    {
        return self::CACHE_KEY . $this->cacheNamespace . $name;
    }

    public function addDefinition(Definition $definition)
    {
        throw new \LogicException('You cannot set a definition at runtime on a container that has caching enabled. Doing so would risk caching the definition for the next execution, where it might be different. You can either put your definitions in a file, remove the cache or ->set() a raw value directly (PHP object, string, int, ...) instead of a PHP-DI definition.');
    }

    private function shouldBeCached(Definition $definition = null): bool
    {
        return
            // Cache missing definitions
            ($definition === null)
            // Object definitions are used with `make()`
            || ($definition instanceof ObjectDefinition)
            // Autowired definitions cannot be all compiled and are used with `make()`
            || ($definition instanceof AutowireDefinition);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTMzNjMxMzIyOTY2NjAwMSAzNjUxMTM4ODYzMDI1NzU5IDYxMzM0NDk0ODkwMzE1OTU=