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<?php |
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namespace CrazyGoat\Octophpus; |
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use CrazyGoat\Octophpus\Exception\EsiTagParseException; |
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use CrazyGoat\Octophpus\Validator\EsiAttributeValidator; |
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class EsiRequest |
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{ |
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/** |
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* @var string |
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*/ |
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private $src; |
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/** |
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* @var string |
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*/ |
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private $esiTag; |
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/** |
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* @var float|null |
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*/ |
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private $timeout = null; |
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/** |
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* @var bool |
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*/ |
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private $noCache = false; |
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public function __construct(string $esiTag) |
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{ |
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$this->esiTag = $esiTag; |
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$this->parse($esiTag); |
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} |
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private function parse(string $esiTag) : void |
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{ |
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$p = xml_parser_create(); |
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$parseStatus = xml_parse_into_struct($p, $esiTag, $values); |
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xml_parser_free($p); |
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if ($parseStatus == 0) { |
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throw new EsiTagParseException('Unable to parse xml: '.$esiTag); |
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} |
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$parsedTag = $this->getTag($values); |
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$validator = new EsiAttributeValidator($parsedTag['attributes']); |
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$validator->validate(); |
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$this->src = $parsedTag['attributes']['SRC']; |
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$this->timeout = isset($parsedTag['attributes']['TIMEOUT']) ? (float)$parsedTag['attributes']['TIMEOUT'] : null; |
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$this->noCache = isset($parsedTag['attributes']['NOCACHE']); |
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} |
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private function getTag(array $tags) : array |
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{ |
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if (!is_array($tags) || !isset($tags[0])) { |
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throw new EsiTagParseException('No valid html tags found'); |
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} |
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$tag = $tags[0]; |
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if ($tag['tag'] !== 'ESI:INCLUDE') { |
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throw new EsiTagParseException('No valid html tags found'); |
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} |
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if (!isset($tag['attributes']['SRC'])) { |
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throw new EsiTagParseException('Esi tag does not have required parameter src'); |
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} |
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return $tag; |
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} |
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/** |
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* @return string |
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*/ |
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public function getSrc(): string |
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{ |
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return $this->src; |
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} |
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/** |
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* @return string |
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*/ |
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public function getEsiTag(): string |
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{ |
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return $this->esiTag; |
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} |
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public function requestOptions() : array |
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{ |
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$options = []; |
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if (!is_null($this->timeout)) { |
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$options['connect_timeout'] = $this->timeout; |
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} |
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return $options; |
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} |
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/** |
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* @return bool |
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*/ |
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public function noCache(): bool |
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{ |
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return $this->noCache; |
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} |
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} |
crazy-goat /
octophpus
