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- <?php
- if (!defined('STATUSNET'))
- {
- exit(1);
- }
- class Atom10FeedException extends Exception
- {
- }
- class Atom10Feed extends XMLStringer
- {
- public $xw;
-
- private $namespaces;
- private $authors;
- private $subject;
- private $categories;
- private $contributors;
- private $generator;
- private $icon;
- private $links;
- private $selfLink;
- private $selfLinkType;
- public $logo;
- private $rights;
- public $subtitle;
- public $title;
- private $published;
- private $updated;
- private $entries;
-
- function __construct($indent = true) {
- parent::__construct($indent);
- $this->namespaces = array();
- $this->authors = array();
- $this->links = array();
- $this->entries = array();
- $this->addNamespace('', 'http://www.w3.org/2005/Atom');
- }
-
- function addNamespace($namespace, $uri)
- {
- $ns = array($namespace => $uri);
- $this->namespaces = array_merge($this->namespaces, $ns);
- }
- function addAuthor($name, $uri = null, $email = null)
- {
- $xs = new XMLStringer(true);
- $xs->elementStart('author');
- if (!empty($name)) {
- $xs->element('name', null, $name);
- } else {
- throw new Atom10FeedException(
-
- _('Author element must contain a name element.')
- );
- }
- if (isset($uri)) {
- $xs->element('uri', null, $uri);
- }
- if (isset($email)) {
- $xs->element('email', null, $email);
- }
- $xs->elementEnd('author');
- array_push($this->authors, $xs->getString());
- }
-
- function addAuthorRaw($xmlAuthor)
- {
- array_push($this->authors, $xmlAuthor);
- }
- function renderAuthors()
- {
- foreach ($this->authors as $author) {
- $this->raw($author);
- }
- }
- function getNamespaces()
- {
- return $this->namespaces;
- }
- function initFeed()
- {
- $this->startXML();
- $commonAttrs = array('xml:lang' => 'en-US');
- foreach ($this->namespaces as $prefix => $uri) {
- if ($prefix == '') {
- $attr = 'xmlns';
- } else {
- $attr = 'xmlns:' . $prefix;
- }
- $commonAttrs[$attr] = $uri;
- }
- $this->elementStart('feed', $commonAttrs);
- $this->element(
- 'generator', array(
- 'uri' => 'https://gnu.io/social',
- 'version' => GNUSOCIAL_VERSION
- ),
- 'GNU social'
- );
- $this->element('id', null, $this->id);
- $this->element('title', null, $this->title);
- $this->element('subtitle', null, $this->subtitle);
- if (!empty($this->logo)) {
- $this->element('logo', null, $this->logo);
- }
- $this->element('updated', null, $this->updated);
- $this->renderAuthors();
- if ($this->selfLink) {
- $this->addLink($this->selfLink, array('rel' => 'self',
- 'type' => $this->selfLinkType));
- }
- $this->renderLinks();
- }
-
- function validate()
- {
- }
- function renderLinks()
- {
- foreach ($this->links as $attrs)
- {
- $this->element('link', $attrs);
- }
- }
- function addEntryRaw($xmlEntry)
- {
- array_push($this->entries, $xmlEntry);
- }
- function addEntry($entry)
- {
- array_push($this->entries, $entry->getString());
- }
- function renderEntries()
- {
- foreach ($this->entries as $entry) {
- $this->raw($entry);
- }
- }
- function endFeed()
- {
- $this->elementEnd('feed');
- $this->xw->endDocument();
- }
- function getString()
- {
- if (Event::handle('StartApiAtom', array($this))) {
- $this->validate();
- $this->initFeed();
- if (!empty($this->subject)) {
- $this->raw($this->subject);
- }
- $this->renderEntries();
- $this->endFeed();
- Event::handle('EndApiAtom', array($this));
- }
- return $this->xw->outputMemory();
- }
- function setId($id)
- {
- $this->id = $id;
- }
- function setSelfLink($url, $type='application/atom+xml')
- {
- $this->selfLink = $url;
- $this->selfLinkType = $type;
- }
- function setTitle($title)
- {
- $this->title = $title;
- }
- function setSubtitle($subtitle)
- {
- $this->subtitle = $subtitle;
- }
- function setLogo($logo)
- {
- $this->logo = $logo;
- }
- function setUpdated($dt)
- {
- $this->updated = common_date_iso8601($dt);
- }
- function setPublished($dt)
- {
- $this->published = common_date_iso8601($dt);
- }
-
- function addLink($uri, $otherAttrs = null) {
- $attrs = array('href' => $uri);
- if (is_null($otherAttrs)) {
- $attrs['rel'] = 'alternate';
- $attrs['type'] = 'text/html';
- } else {
- $attrs = array_merge($attrs, $otherAttrs);
- }
- array_push($this->links, $attrs);
- }
- }
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