<?php

namespace ZOOlanders\YOOessentials\Vendor\AsyncAws\Core\Stream;

use ZOOlanders\YOOessentials\Vendor\AsyncAws\Core\Exception\InvalidArgument;
/**
 * Convert a string into a Stream.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 *
 * @internal
 */
final class StringStream implements RequestStream
{
    /**
     * @var string
     */
    private $content;
    /**
     * @var int|null
     */
    private $lengthCache;
    private function __construct(string $content)
    {
        $this->content = $content;
    }
    /**
     * @param RequestStream|string $content
     */
    public static function create($content) : StringStream
    {
        if ($content instanceof self) {
            return $content;
        }
        if ($content instanceof RequestStream) {
            return new self($content->stringify());
        }
        if (\is_string($content)) {
            return new self($content);
        }
        throw new InvalidArgument(\sprintf('Expect content to be a "%s" or as "string". "%s" given.', RequestStream::class, \is_object($content) ? \get_class($content) : \gettype($content)));
    }
    public function length() : int
    {
        return $this->lengthCache ?? ($this->lengthCache = \strlen($this->content));
    }
    public function stringify() : string
    {
        return $this->content;
    }
    public function getIterator() : \Traversable
    {
        (yield $this->content);
    }
    public function hash(string $algo = 'sha256', bool $raw = \false) : string
    {
        return \hash($algo, $this->content, $raw);
    }
}
