Файл: concrete5.7.5.6/concrete/vendor/zendframework/zend-feed/src/Writer/Renderer/Feed/Rss.php
Строк: 578
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace ZendFeedWriterRendererFeed;
use DateTime;
use DOMDocument;
use DOMElement;
use ZendFeedUri;
use ZendFeedWriter;
use ZendFeedWriterRenderer;
use ZendFeedWriterVersion;
/**
*/
class Rss extends RendererAbstractRenderer implements RendererRendererInterface
{
/**
* Constructor
*
* @param WriterFeed $container
*/
public function __construct(WriterFeed $container)
{
parent::__construct($container);
}
/**
* Render RSS feed
*
* @return self
*/
public function render()
{
$this->dom = new DOMDocument('1.0', $this->container->getEncoding());
$this->dom->formatOutput = true;
$this->dom->substituteEntities = false;
$rss = $this->dom->createElement('rss');
$this->setRootElement($rss);
$rss->setAttribute('version', '2.0');
$channel = $this->dom->createElement('channel');
$rss->appendChild($channel);
$this->dom->appendChild($rss);
$this->_setLanguage($this->dom, $channel);
$this->_setBaseUrl($this->dom, $channel);
$this->_setTitle($this->dom, $channel);
$this->_setDescription($this->dom, $channel);
$this->_setImage($this->dom, $channel);
$this->_setDateCreated($this->dom, $channel);
$this->_setDateModified($this->dom, $channel);
$this->_setLastBuildDate($this->dom, $channel);
$this->_setGenerator($this->dom, $channel);
$this->_setLink($this->dom, $channel);
$this->_setAuthors($this->dom, $channel);
$this->_setCopyright($this->dom, $channel);
$this->_setCategories($this->dom, $channel);
foreach ($this->extensions as $ext) {
$ext->setType($this->getType());
$ext->setRootElement($this->getRootElement());
$ext->setDOMDocument($this->getDOMDocument(), $channel);
$ext->render();
}
foreach ($this->container as $entry) {
if ($this->getDataContainer()->getEncoding()) {
$entry->setEncoding($this->getDataContainer()->getEncoding());
}
if ($entry instanceof WriterEntry) {
$renderer = new RendererEntryRss($entry);
} else {
continue;
}
if ($this->ignoreExceptions === true) {
$renderer->ignoreExceptions();
}
$renderer->setType($this->getType());
$renderer->setRootElement($this->dom->documentElement);
$renderer->render();
$element = $renderer->getElement();
$imported = $this->dom->importNode($element, true);
$channel->appendChild($imported);
}
return $this;
}
/**
* Set feed language
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setLanguage(DOMDocument $dom, DOMElement $root)
{
$lang = $this->getDataContainer()->getLanguage();
if (!$lang) {
return;
}
$language = $dom->createElement('language');
$root->appendChild($language);
$language->nodeValue = $lang;
}
/**
* Set feed title
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
* @throws WriterExceptionInvalidArgumentException
*/
protected function _setTitle(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getTitle()) {
$message = 'RSS 2.0 feed elements MUST contain exactly one'
. ' title element but a title has not been set';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$title = $dom->createElement('title');
$root->appendChild($title);
$text = $dom->createTextNode($this->getDataContainer()->getTitle());
$title->appendChild($text);
}
/**
* Set feed description
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
* @throws WriterExceptionInvalidArgumentException
*/
protected function _setDescription(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getDescription()) {
$message = 'RSS 2.0 feed elements MUST contain exactly one'
. ' description element but one has not been set';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$subtitle = $dom->createElement('description');
$root->appendChild($subtitle);
$text = $dom->createTextNode($this->getDataContainer()->getDescription());
$subtitle->appendChild($text);
}
/**
* Set date feed was last modified
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setDateModified(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getDateModified()) {
return;
}
$updated = $dom->createElement('pubDate');
$root->appendChild($updated);
$text = $dom->createTextNode(
$this->getDataContainer()->getDateModified()->format(DateTime::RSS)
);
$updated->appendChild($text);
}
/**
* Set feed generator string
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setGenerator(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getGenerator()) {
$this->getDataContainer()->setGenerator('Zend_Feed_Writer',
Version::VERSION, 'http://framework.zend.com');
}
$gdata = $this->getDataContainer()->getGenerator();
$generator = $dom->createElement('generator');
$root->appendChild($generator);
$name = $gdata['name'];
if (array_key_exists('version', $gdata)) {
$name .= ' ' . $gdata['version'];
}
if (array_key_exists('uri', $gdata)) {
$name .= ' (' . $gdata['uri'] . ')';
}
$text = $dom->createTextNode($name);
$generator->appendChild($text);
}
/**
* Set link to feed
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
* @throws WriterExceptionInvalidArgumentException
*/
protected function _setLink(DOMDocument $dom, DOMElement $root)
{
$value = $this->getDataContainer()->getLink();
if (!$value) {
$message = 'RSS 2.0 feed elements MUST contain exactly one'
. ' link element but one has not been set';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$link = $dom->createElement('link');
$root->appendChild($link);
$text = $dom->createTextNode($value);
$link->appendChild($text);
if (!Uri::factory($value)->isValid()) {
$link->setAttribute('isPermaLink', 'false');
}
}
/**
* Set feed authors
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setAuthors(DOMDocument $dom, DOMElement $root)
{
$authors = $this->getDataContainer()->getAuthors();
if (!$authors || empty($authors)) {
return;
}
foreach ($authors as $data) {
$author = $this->dom->createElement('author');
$name = $data['name'];
if (array_key_exists('email', $data)) {
$name = $data['email'] . ' (' . $data['name'] . ')';
}
$text = $dom->createTextNode($name);
$author->appendChild($text);
$root->appendChild($author);
}
}
/**
* Set feed copyright
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCopyright(DOMDocument $dom, DOMElement $root)
{
$copyright = $this->getDataContainer()->getCopyright();
if (!$copyright) {
return;
}
$copy = $dom->createElement('copyright');
$root->appendChild($copy);
$text = $dom->createTextNode($copyright);
$copy->appendChild($text);
}
/**
* Set feed channel image
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
* @throws WriterExceptionInvalidArgumentException
*/
protected function _setImage(DOMDocument $dom, DOMElement $root)
{
$image = $this->getDataContainer()->getImage();
if (!$image) {
return;
}
if (!isset($image['title']) || empty($image['title'])
|| !is_string($image['title'])
) {
$message = 'RSS 2.0 feed images must include a title';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
if (empty($image['link']) || !is_string($image['link'])
|| !Uri::factory($image['link'])->isValid()
) {
$message = 'Invalid parameter: parameter 'link''
. ' must be a non-empty string and valid URI/IRI';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$img = $dom->createElement('image');
$root->appendChild($img);
$url = $dom->createElement('url');
$text = $dom->createTextNode($image['uri']);
$url->appendChild($text);
$title = $dom->createElement('title');
$text = $dom->createTextNode($image['title']);
$title->appendChild($text);
$link = $dom->createElement('link');
$text = $dom->createTextNode($image['link']);
$link->appendChild($text);
$img->appendChild($url);
$img->appendChild($title);
$img->appendChild($link);
if (isset($image['height'])) {
if (!ctype_digit((string) $image['height']) || $image['height'] > 400) {
$message = 'Invalid parameter: parameter 'height''
. ' must be an integer not exceeding 400';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$height = $dom->createElement('height');
$text = $dom->createTextNode($image['height']);
$height->appendChild($text);
$img->appendChild($height);
}
if (isset($image['width'])) {
if (!ctype_digit((string) $image['width']) || $image['width'] > 144) {
$message = 'Invalid parameter: parameter 'width''
. ' must be an integer not exceeding 144';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$width = $dom->createElement('width');
$text = $dom->createTextNode($image['width']);
$width->appendChild($text);
$img->appendChild($width);
}
if (isset($image['description'])) {
if (empty($image['description']) || !is_string($image['description'])) {
$message = 'Invalid parameter: parameter 'description''
. ' must be a non-empty string';
$exception = new WriterExceptionInvalidArgumentException($message);
if (!$this->ignoreExceptions) {
throw $exception;
} else {
$this->exceptions[] = $exception;
return;
}
}
$desc = $dom->createElement('description');
$text = $dom->createTextNode($image['description']);
$desc->appendChild($text);
$img->appendChild($desc);
}
}
/**
* Set date feed was created
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setDateCreated(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getDateCreated()) {
return;
}
if (!$this->getDataContainer()->getDateModified()) {
$this->getDataContainer()->setDateModified(
$this->getDataContainer()->getDateCreated()
);
}
}
/**
* Set date feed last build date
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setLastBuildDate(DOMDocument $dom, DOMElement $root)
{
if (!$this->getDataContainer()->getLastBuildDate()) {
return;
}
$lastBuildDate = $dom->createElement('lastBuildDate');
$root->appendChild($lastBuildDate);
$text = $dom->createTextNode(
$this->getDataContainer()->getLastBuildDate()->format(DateTime::RSS)
);
$lastBuildDate->appendChild($text);
}
/**
* Set base URL to feed links
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setBaseUrl(DOMDocument $dom, DOMElement $root)
{
$baseUrl = $this->getDataContainer()->getBaseUrl();
if (!$baseUrl) {
return;
}
$root->setAttribute('xml:base', $baseUrl);
}
/**
* Set feed categories
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCategories(DOMDocument $dom, DOMElement $root)
{
$categories = $this->getDataContainer()->getCategories();
if (!$categories) {
return;
}
foreach ($categories as $cat) {
$category = $dom->createElement('category');
if (isset($cat['scheme'])) {
$category->setAttribute('domain', $cat['scheme']);
}
$text = $dom->createTextNode($cat['term']);
$category->appendChild($text);
$root->appendChild($category);
}
}
}