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<?php |
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namespace Xparse\Parser\Helper; |
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use GuzzleHttp\Psr7\Response; |
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use Xparse\ElementFinder\ElementFinder; |
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use Xparse\ElementFinder\Helper; |
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/** |
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* Create ElementFinder. |
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* Convert charset to UTF-8 |
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* Convert relative links to absolute |
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*/ |
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class ElementFinderFactory { |
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/** |
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* @var array|null |
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*/ |
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private static $supportedEncodings = null; |
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/** |
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* @param Response $response |
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* @param string $affectedUrl |
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* @return ElementFinder |
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*/ |
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public static function create(Response $response, $affectedUrl = '') { |
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$html = $response->getBody(); |
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$html = Helper::safeEncodeStr((string) $html); |
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$supportedEncodings = self::getSupportedEncodings(); |
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$contentType = $response->getHeaderLine('content-type'); |
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if ($contentType) { |
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preg_match("!^.*charset=([A-Za-z0-9-]{4,})$!", $contentType, $contentTypeData); |
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$encoding = strtoupper(trim($contentTypeData[1])); |
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} else { |
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preg_match("!.*<meta.*charset=\"?([A-Za-z0-9-]{4,})\"!mi", $html, $metaContentType); |
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$encoding = !empty($metaContentType[1]) ? strtoupper(trim($metaContentType[1])) : ''; |
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} |
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if (in_array($encoding, $supportedEncodings)) { |
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$html = mb_convert_encoding($html, 'UTF-8', $encoding); |
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} |
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$page = new ElementFinder((string) $html); |
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if ($affectedUrl) { |
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LinkConverter::convertUrlsToAbsolute($page, $affectedUrl); |
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} |
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return $page; |
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} |
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/** |
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* @return array |
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*/ |
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private static function getSupportedEncodings() { |
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if (self::$supportedEncodings !== null) { |
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return self::$supportedEncodings; |
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} |
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self::$supportedEncodings = []; |
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foreach (mb_list_encodings() as $encoding) { |
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if ($encoding == 'UTF-8' or $encoding == 'UTF8') { |
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continue; |
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} |
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self::$supportedEncodings[] = $encoding; |
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self::$supportedEncodings = array_merge(self::$supportedEncodings, mb_encoding_aliases($encoding)); |
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} |
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return self::$supportedEncodings; |
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} |
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} |
xparse /
Parser
