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<?php |
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namespace Soluble\FlexStore\Writer; |
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use Soluble\FlexStore\Writer\Http\SimpleHeaders; |
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use DateTime; |
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use SimpleXMLElement; |
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use Soluble\FlexStore\Options; |
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use Soluble\FlexStore\Store\StoreInterface; |
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class SimpleXmlWriter extends AbstractSendableWriter |
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{ |
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/** |
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* |
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* @var SimpleHeaders |
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*/ |
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protected $headers; |
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protected $php_54_compatibility = true; |
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/** |
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* @var array |
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*/ |
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protected $options = [ |
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/** |
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* XML tag for response |
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*/ |
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'body_tag' => 'response', |
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/** |
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* XML tag for rows |
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*/ |
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'row_tag' => 'row', |
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'encoding' => 'UTF-8', |
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'debug' => false |
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]; |
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/** |
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* |
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* @param StoreInterface|null $store |
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* @param array|\Traversable|null $options |
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*/ |
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public function __construct(StoreInterface $store = null, $options = null) |
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{ |
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if (version_compare(PHP_VERSION, '5.4.0', '<')) { |
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$this->php_54_compatibility = false; |
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}; |
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parent::__construct($store, $options); |
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} |
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/** |
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* |
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* @param string $row_tag |
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* @return SimpleXmlWriter |
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*/ |
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public function setRowTag($row_tag) |
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{ |
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$this->options['row_tag'] = $row_tag; |
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return $this; |
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} |
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/** |
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* |
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* @param string $body_tag |
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* @return SimpleXmlWriter |
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*/ |
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public function setBodyTag($body_tag) |
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{ |
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$this->options['body_tag'] = $body_tag; |
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return $this; |
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} |
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/** |
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* |
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* @throws Exception\RuntimeException |
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* @param Options $options |
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* @return string xml encoded data |
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*/ |
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public function getData(Options $options = null) |
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{ |
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if ($options === null) { |
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// Take store global/default options |
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$options = $this->store->getOptions(); |
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} |
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// Get unformatted data when using xml writer |
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$options->getHydrationOptions()->disableFormatters(); |
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$data = $this->store->getData($options); |
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$bt = $this->options['body_tag']; |
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$encoding = $this->options['encoding']; |
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$xml = new SimpleXMLElement("<?xml version=\"1.0\" encoding=\"$encoding\" ?><$bt></$bt>"); |
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$now = new DateTime(); |
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$d = [ |
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'success' => true, |
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'timestamp' => $now->format(DateTime::W3C), |
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'total' => $data->getTotalRows(), |
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'start' => $data->getSource()->getOptions()->getOffset(), |
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'limit' => $data->getSource()->getOptions()->getLimit(), |
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'data' => $data->toArray(), |
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]; |
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if ($this->options['debug']) { |
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$d['query'] = $data->getSource()->getQueryString(); |
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} |
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$this->createXmlNode($d, $xml); |
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$string = $xml->asXML(); |
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if ($string === false) { |
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throw new Exception\RuntimeException(__METHOD__ . " XML creation failed."); |
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} |
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return (string) $string; |
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} |
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/** |
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* |
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* @param array $result |
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* @param SimpleXMLElement $xml |
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*/ |
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protected function createXmlNode($result, SimpleXMLElement $xml) |
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{ |
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foreach ($result as $key => $value) { |
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if (is_array($value)) { |
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if (!is_numeric($key)) { |
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$subnode = $xml->addChild("$key"); |
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$this->createXmlNode($value, $subnode); |
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} else { |
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$v = [$this->options['row_tag'] => $value]; |
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$this->createXmlNode($v, $xml); |
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} |
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} else { |
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if ($this->php_54_compatibility) { |
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// assuming php 5.4+ |
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$encoded = htmlspecialchars($value, ENT_XML1, $this->options['encoding']); |
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} else { |
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$encoded = ''; |
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foreach (str_split(utf8_decode(htmlspecialchars($value))) as $char) { |
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$num = ord($char); |
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if ($num > 127) { |
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$encoded .= '&#' . $num . ';'; |
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} else { |
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$encoded .= $char; |
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} |
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} |
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} |
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$xml->addChild($key, $encoded); |
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} |
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} |
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} |
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/** |
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* Return default headers for sending store data via http |
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* @return SimpleHeaders |
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*/ |
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public function getHttpHeaders() |
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{ |
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if ($this->headers === null) { |
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$this->headers = new SimpleHeaders(); |
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$this->headers->setContentType('application/xml', $this->options['encoding']); |
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$this->headers->setContentDispositionType(SimpleHeaders::DIPOSITION_ATTACHEMENT); |
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} |
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return $this->headers; |
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} |
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} |
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belgattitude /
soluble-flexstore
