375 lines
12 KiB
PHP
375 lines
12 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Rss.php 20519 2010-01-22 14:06:24Z padraic $
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*/
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/** @see Zend_Feed_Writer_Feed */
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require_once 'Zend/Feed/Writer/Feed.php';
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/** @see Zend_Version */
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require_once 'Zend/Version.php';
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/** @see Zend_Feed_Writer_Renderer_RendererInterface */
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require_once 'Zend/Feed/Writer/Renderer/RendererInterface.php';
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/** @see Zend_Feed_Writer_Renderer_Entry_Rss */
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require_once 'Zend/Feed/Writer/Renderer/Entry/Rss.php';
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/** @see Zend_Feed_Writer_Renderer_RendererAbstract */
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require_once 'Zend/Feed/Writer/Renderer/RendererAbstract.php';
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/**
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Feed_Writer_Renderer_Feed_Rss
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extends Zend_Feed_Writer_Renderer_RendererAbstract
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implements Zend_Feed_Writer_Renderer_RendererInterface
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{
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/**
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* Constructor
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*
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* @param Zend_Feed_Writer_Feed $container
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* @return void
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*/
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public function __construct (Zend_Feed_Writer_Feed $container)
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{
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parent::__construct($container);
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}
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/**
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* Render RSS feed
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*
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* @return Zend_Feed_Writer_Renderer_Feed_Rss
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*/
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public function render()
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{
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if (!$this->_container->getEncoding()) {
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$this->_container->setEncoding('UTF-8');
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}
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$this->_dom = new DOMDocument('1.0', $this->_container->getEncoding());
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$this->_dom->formatOutput = true;
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$this->_dom->substituteEntities = false;
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$rss = $this->_dom->createElement('rss');
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$this->setRootElement($rss);
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$rss->setAttribute('version', '2.0');
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$channel = $this->_dom->createElement('channel');
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$rss->appendChild($channel);
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$this->_dom->appendChild($rss);
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$this->_setLanguage($this->_dom, $channel);
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$this->_setBaseUrl($this->_dom, $channel);
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$this->_setTitle($this->_dom, $channel);
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$this->_setDescription($this->_dom, $channel);
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$this->_setDateCreated($this->_dom, $channel);
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$this->_setDateModified($this->_dom, $channel);
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$this->_setGenerator($this->_dom, $channel);
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$this->_setLink($this->_dom, $channel);
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$this->_setAuthors($this->_dom, $channel);
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$this->_setCopyright($this->_dom, $channel);
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$this->_setCategories($this->_dom, $channel);
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foreach ($this->_extensions as $ext) {
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$ext->setType($this->getType());
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$ext->setRootElement($this->getRootElement());
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$ext->setDomDocument($this->getDomDocument(), $channel);
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$ext->render();
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}
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foreach ($this->_container as $entry) {
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if ($this->getDataContainer()->getEncoding()) {
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$entry->setEncoding($this->getDataContainer()->getEncoding());
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}
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if ($entry instanceof Zend_Feed_Writer_Entry) {
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$renderer = new Zend_Feed_Writer_Renderer_Entry_Rss($entry);
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} else {
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continue;
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}
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if ($this->_ignoreExceptions === true) {
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$renderer->ignoreExceptions();
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}
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$renderer->setType($this->getType());
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$renderer->setRootElement($this->_dom->documentElement);
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$renderer->render();
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$element = $renderer->getElement();
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$imported = $this->_dom->importNode($element, true);
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$channel->appendChild($imported);
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}
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return $this;
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}
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/**
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* Set feed language
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setLanguage(DOMDocument $dom, DOMElement $root)
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{
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$lang = $this->getDataContainer()->getLanguage();
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if (!$lang) {
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return;
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}
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$language = $dom->createElement('language');
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$root->appendChild($language);
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$language->nodeValue = $lang;
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}
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/**
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* Set feed title
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setTitle(DOMDocument $dom, DOMElement $root)
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{
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if(!$this->getDataContainer()->getTitle()) {
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require_once 'Zend/Feed/Exception.php';
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$message = 'RSS 2.0 feed elements MUST contain exactly one'
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. ' title element but a title has not been set';
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$exception = new Zend_Feed_Exception($message);
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if (!$this->_ignoreExceptions) {
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throw $exception;
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} else {
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$this->_exceptions[] = $exception;
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return;
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}
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}
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$title = $dom->createElement('title');
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$root->appendChild($title);
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$text = $dom->createTextNode($this->getDataContainer()->getTitle());
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$title->appendChild($text);
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}
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/**
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* Set feed description
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDescription(DOMDocument $dom, DOMElement $root)
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{
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if(!$this->getDataContainer()->getDescription()) {
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require_once 'Zend/Feed/Exception.php';
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$message = 'RSS 2.0 feed elements MUST contain exactly one'
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. ' description element but one has not been set';
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$exception = new Zend_Feed_Exception($message);
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if (!$this->_ignoreExceptions) {
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throw $exception;
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} else {
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$this->_exceptions[] = $exception;
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return;
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}
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}
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$subtitle = $dom->createElement('description');
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$root->appendChild($subtitle);
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$text = $dom->createTextNode($this->getDataContainer()->getDescription());
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$subtitle->appendChild($text);
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}
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/**
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* Set date feed was last modified
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDateModified(DOMDocument $dom, DOMElement $root)
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{
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if(!$this->getDataContainer()->getDateModified()) {
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return;
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}
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$updated = $dom->createElement('pubDate');
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$root->appendChild($updated);
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$text = $dom->createTextNode(
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$this->getDataContainer()->getDateModified()->get(Zend_Date::RSS)
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);
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$updated->appendChild($text);
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}
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/**
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* Set feed generator string
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setGenerator(DOMDocument $dom, DOMElement $root)
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{
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if(!$this->getDataContainer()->getGenerator()) {
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$this->getDataContainer()->setGenerator('Zend_Feed_Writer',
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Zend_Version::VERSION, 'http://framework.zend.com');
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}
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$gdata = $this->getDataContainer()->getGenerator();
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$generator = $dom->createElement('generator');
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$root->appendChild($generator);
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$name = $gdata['name'];
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if (array_key_exists('version', $gdata)) {
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$name .= ' ' . $gdata['version'];
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}
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if (array_key_exists('uri', $gdata)) {
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$name .= ' (' . $gdata['uri'] . ')';
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}
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$text = $dom->createTextNode($name);
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$generator->appendChild($text);
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}
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/**
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* Set link to feed
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setLink(DOMDocument $dom, DOMElement $root)
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{
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$value = $this->getDataContainer()->getLink();
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if(!$value) {
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require_once 'Zend/Feed/Exception.php';
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$message = 'RSS 2.0 feed elements MUST contain exactly one'
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. ' link element but one has not been set';
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$exception = new Zend_Feed_Exception($message);
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if (!$this->_ignoreExceptions) {
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throw $exception;
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} else {
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$this->_exceptions[] = $exception;
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return;
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}
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}
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$link = $dom->createElement('link');
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$root->appendChild($link);
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$text = $dom->createTextNode($value);
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$link->appendChild($text);
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if (!Zend_Uri::check($value)) {
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$link->setAttribute('isPermaLink', 'false');
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}
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}
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/**
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* Set feed authors
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setAuthors(DOMDocument $dom, DOMElement $root)
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{
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$authors = $this->getDataContainer()->getAuthors();
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if (!$authors || empty($authors)) {
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return;
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}
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foreach ($authors as $data) {
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$author = $this->_dom->createElement('author');
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$name = $data['name'];
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if (array_key_exists('email', $data)) {
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$name = $data['email'] . ' (' . $data['name'] . ')';
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}
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$text = $dom->createTextNode($name);
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$author->appendChild($text);
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$root->appendChild($author);
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}
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}
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/**
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* Set feed copyright
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setCopyright(DOMDocument $dom, DOMElement $root)
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{
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$copyright = $this->getDataContainer()->getCopyright();
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if (!$copyright) {
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return;
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}
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$copy = $dom->createElement('copyright');
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$root->appendChild($copy);
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$text = $dom->createTextNode($copyright);
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$copy->appendChild($text);
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}
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/**
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* Set date feed was created
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDateCreated(DOMDocument $dom, DOMElement $root)
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{
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if(!$this->getDataContainer()->getDateCreated()) {
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return;
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}
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if(!$this->getDataContainer()->getDateModified()) {
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$this->getDataContainer()->setDateModified(
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$this->getDataContainer()->getDateCreated()
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);
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}
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}
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/**
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* Set base URL to feed links
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setBaseUrl(DOMDocument $dom, DOMElement $root)
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{
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$baseUrl = $this->getDataContainer()->getBaseUrl();
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if (!$baseUrl) {
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return;
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}
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$root->setAttribute('xml:base', $baseUrl);
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}
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/**
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* Set feed categories
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setCategories(DOMDocument $dom, DOMElement $root)
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{
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$categories = $this->getDataContainer()->getCategories();
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if (!$categories) {
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return;
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}
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foreach ($categories as $cat) {
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$category = $dom->createElement('category');
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if (isset($cat['scheme'])) {
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$category->setAttribute('domain', $cat['scheme']);
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}
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$text = $dom->createTextNode($cat['term']);
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$category->appendChild($text);
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$root->appendChild($category);
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}
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}
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}
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