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Message.php
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216 lines (186 loc) · 4.42 KB
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<?php
namespace HackPHP\Http;
use InvalidArgumentException;
use Psr\Http\Message\StreamInterface;
use HackPHP\Http\Stream\StreamFactory;
use Psr\Http\Message\MessageInterface;
abstract class Message implements MessageInterface
{
/**
* All headers.
*
* @var string[][]
*/
protected array $headers = [];
/**
* Http Protocol Version.
*
* @var string
*/
protected string $protocolVersion = "1.1";
/**
* The message body.
*
* @var StreamInterface
*/
protected StreamInterface $body;
/**
* @inheritDoc
*/
public function getProtocolVersion(): string
{
return $this->protocolVersion;
}
/**
* @inheritDoc
*/
public function withProtocolVersion($version): self
{
$clone = clone $this;
$clone->protocolVersion = $version;
return $clone;
}
/**
* @inheritDoc
*/
public function getHeaders(): array
{
return $this->headers;
}
/**
* @inheritDoc
*/
public function hasHeader($name): bool
{
return array_key_exists($this->formatKey($name), $this->headers);
}
/**
* @inheritDoc
*/
public function getHeader($name): array
{
if (!$this->hasHeader($name)) {
return [];
}
return $this->headers[$this->formatKey($name)];
}
/**
* @inheritDoc
*/
public function getHeaderLine($name): string
{
return implode(',', $this->getHeader($name)) ?? '';
}
/**
* @inheritDoc
*/
public function withHeader($name, $value): self
{
if (!is_string($name)) {
throw new InvalidArgumentException("Param 1 must be of type string");
}
$clone = clone $this;
$clone->setHeaders([$name => $value]);
return $clone;
}
/**
* @inheritDoc
*/
public function withAddedHeader($name, $value): self
{
if (!is_string($name)) {
throw new InvalidArgumentException("Param 1 must be of type string");
}
$clone = clone $this;
$clone->setAddedHeaders([$name => $value]);
return $clone;
}
/**
* @inheritDoc
*/
public function withoutHeader($name): self
{
$clone = clone $this;
if ($clone->hasHeader($name)) {
unset($clone->headers[$this->formatKey($name)]);
}
return $clone;
}
/**
* @inheritDoc
*/
public function getBody(): StreamInterface
{
// TODO: if the body == null return new Stream
return $this->body;
}
/**
* @inheritDoc
*/
public function withBody(StreamInterface $body): self
{
$clone = clone $this;
$clone->body = $body;
return $clone;
}
/**
* Format the given key string to lowercase.
*
* @param string $key
* @return string
*/
private function formatKey($key)
{
return strtolower($key);
}
/**
* Set to the headers (Append if exists.).
*
* @param array $headers
* @return void
*/
protected function setAddedHeaders(array $headers)
{
foreach ($headers as $name => $value) {
if (is_array($value)) {
foreach ($value as $val) {
$this->headers[$this->formatKey($name)][] = $val;
}
} else {
$this->headers[$this->formatKey($name)][] = $value;
}
}
}
/**
* Set the header (replace if exists.).
*
* @param array $headers
* @return void
*/
protected function setHeaders(array $headers)
{
foreach ($headers as $name => $value) {
$this->headers[$this->formatKey($name)] = is_array($value) ? $value : [$value];
}
}
/**
* Set the request body.
*
* @param StreamInterface|resource|string|null $body
* @return void
*/
protected function setBody($body)
{
$factory = new StreamFactory;
if ($body instanceof StreamInterface) {
$this->body = $body;
} elseif (is_resource($body)) {
$this->body = $factory->createStreamFromResource($body);
} elseif (is_string($body)) {
$this->body = $factory->createStream($body);
} else {
$this->body = $factory->createStream();
}
unset($factory);
}
}