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<?php |
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/** |
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* vipnytt/RobotsTxtParser |
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* |
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* @link https://github.com/VIPnytt/RobotsTxtParser |
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* @license https://github.com/VIPnytt/RobotsTxtParser/blob/master/LICENSE The MIT License (MIT) |
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*/ |
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namespace vipnytt\RobotsTxtParser; |
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use vipnytt\RobotsTxtParser\Client\Directives\CleanParamClient; |
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use vipnytt\RobotsTxtParser\Client\Directives\HostClient; |
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use vipnytt\RobotsTxtParser\Client\Directives\SitemapClient; |
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use vipnytt\RobotsTxtParser\Client\Directives\UserAgentClient; |
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use vipnytt\RobotsTxtParser\Handler\EncodingHandler; |
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use vipnytt\RobotsTxtParser\Parser\RobotsTxtParser; |
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/** |
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* Class TxtClient |
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* |
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* @see https://github.com/VIPnytt/RobotsTxtParser/blob/master/docs/methods/TxtClient.md for documentation |
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* @package vipnytt\RobotsTxtParser |
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*/ |
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class TxtClient extends RobotsTxtParser |
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{ |
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/** |
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* Status code |
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* @var int|null |
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*/ |
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private $statusCode; |
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/** |
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* Robots.txt content |
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* @var string |
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*/ |
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private $content; |
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/** |
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* Encoding |
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* @var string |
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*/ |
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private $encoding; |
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/** |
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* TxtClient constructor. |
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* |
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* @param string $baseUri |
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* @param int|null $statusCode |
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* @param string $content |
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* @param string|null $encoding |
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* @param string|null $effectiveUri |
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* @param int|null $byteLimit |
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*/ |
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public function __construct( |
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$baseUri, |
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$statusCode, |
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$content, |
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$encoding = self::ENCODING, |
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$effectiveUri = null, |
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$byteLimit = self::BYTE_LIMIT |
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) |
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{ |
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$this->statusCode = $statusCode; |
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$this->content = $content; |
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$this->encoding = ($encoding === null ? self::ENCODING : $encoding); |
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$this->convertEncoding(); |
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$this->limitBytes($byteLimit); |
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parent::__construct($baseUri, $this->content, $effectiveUri); |
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} |
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/** |
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* Convert character encoding |
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* |
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* @return string |
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*/ |
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private function convertEncoding() |
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{ |
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$convert = new EncodingHandler($this->content, $this->encoding); |
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if (($result = $convert->auto()) !== false) { |
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$this->encoding = self::ENCODING; |
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mb_internal_encoding(self::ENCODING); |
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return $this->content = $result; |
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} |
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mb_internal_encoding(self::ENCODING); |
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return $this->content; |
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} |
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/** |
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* Byte limit |
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* |
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* @param int|null $bytes |
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* @return string |
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* @throws \InvalidArgumentException |
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*/ |
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private function limitBytes($bytes) |
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{ |
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if ($bytes === null) { |
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return $this->content; |
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} elseif (intval($bytes) < (self::BYTE_LIMIT * 0.046875)) { |
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// less than 24 kilobytes (512 kilobytes * 0.046875) |
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throw new \InvalidArgumentException('Byte limit is set dangerously low! Default value=' . self::BYTE_LIMIT); |
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} |
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return $this->content = mb_strcut($this->content, 0, intval($bytes)); |
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} |
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/** |
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* Get User-agent list |
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* |
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* @return string[] |
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*/ |
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public function getUserAgents() |
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{ |
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return $this->handler->userAgent->getUserAgents(); |
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} |
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/** |
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* Clean-param |
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* |
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* @return CleanParamClient |
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*/ |
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public function cleanParam() |
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{ |
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return $this->handler->cleanParam->client(); |
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} |
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/** |
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* Host |
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* |
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* @return HostClient |
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*/ |
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public function host() |
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{ |
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return $this->handler->host->client(); |
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} |
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/** |
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* Sitemaps |
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* |
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* @return SitemapClient |
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*/ |
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public function sitemap() |
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{ |
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return $this->handler->sitemap->client(); |
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} |
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/** |
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* User-agent specific rules |
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* |
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* @param string $product |
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* @param float|int|string|null $version |
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* @return UserAgentClient |
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*/ |
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public function userAgent($product = self::USER_AGENT, $version = null) |
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{ |
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return $this->handler->userAgent->client($product, $version, $this->statusCode); |
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} |
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} |
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VIPnytt /
RobotsTxtParser
