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- <?php
- namespace PicoFeed\Syndication;
- use DateTime;
- use DOMDocument;
- use DOMElement;
- /**
- * Class AtomHelper
- *
- * @package PicoFeed\Syndication
- * @author Frederic Guillot
- */
- class AtomHelper
- {
- /**
- * @var DOMDocument
- */
- protected $document;
- /**
- * Constructor
- *
- * @param DOMDocument $document
- */
- public function __construct(DOMDocument $document)
- {
- $this->document = $document;
- }
- /**
- * Build node
- *
- * @access public
- * @param DOMElement $element
- * @param string $tag
- * @param string $value
- * @return AtomHelper
- */
- public function buildNode(DOMElement $element, $tag, $value)
- {
- $node = $this->document->createElement($tag);
- $node->appendChild($this->document->createTextNode($value));
- $element->appendChild($node);
- return $this;
- }
- /**
- * Build title
- *
- * @access public
- * @param DOMElement $element
- * @param string $title
- * @return AtomHelper
- */
- public function buildTitle(DOMElement $element, $title)
- {
- return $this->buildNode($element, 'title', $title);
- }
- /**
- * Build id
- *
- * @access public
- * @param DOMElement $element
- * @param string $id
- * @return AtomHelper
- */
- public function buildId(DOMElement $element, $id)
- {
- return $this->buildNode($element, 'id', $id);
- }
- /**
- * Build date element
- *
- * @access public
- * @param DOMElement $element
- * @param DateTime $date
- * @param string $type
- * @return AtomHelper
- */
- public function buildDate(DOMElement $element, DateTime $date, $type = 'updated')
- {
- return $this->buildNode($element, $type, $date->format(DateTime::ATOM));
- }
- /**
- * Build link element
- *
- * @access public
- * @param DOMElement $element
- * @param string $url
- * @param string $rel
- * @param string $type
- * @return AtomHelper
- */
- public function buildLink(DOMElement $element, $url, $rel = 'alternate', $type = 'text/html')
- {
- $node = $this->document->createElement('link');
- $node->setAttribute('rel', $rel);
- $node->setAttribute('type', $type);
- $node->setAttribute('href', $url);
- $element->appendChild($node);
- return $this;
- }
- /**
- * Build author element
- *
- * @access public
- * @param DOMElement $element
- * @param string $authorName
- * @param string $authorEmail
- * @param string $authorUrl
- * @return AtomHelper
- */
- public function buildAuthor(DOMElement $element, $authorName, $authorEmail, $authorUrl)
- {
- if (!empty($authorName)) {
- $author = $this->document->createElement('author');
- $this->buildNode($author, 'name', $authorName);
- if (!empty($authorEmail)) {
- $this->buildNode($author, 'email', $authorEmail);
- }
- if (!empty($authorUrl)) {
- $this->buildNode($author, 'uri', $authorUrl);
- }
- $element->appendChild($author);
- }
- return $this;
- }
- }
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