forked from GNUsocial/gnu-social
178 lines
3.7 KiB
PHP
178 lines
3.7 KiB
PHP
<?php
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class Atom10FeedException extends Exception
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{
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}
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class Atom10Feed extends XMLStringer
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{
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public $xw;
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private $namespaces;
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private $authors;
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private $categories;
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private $contributors;
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private $generator;
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private $icon;
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private $links;
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private $logo;
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private $rights;
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private $subtitle;
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private $title;
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private $published;
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private $updated;
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private $entries;
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/**
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* undocumented function
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*
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* @param array $entries an array of FeedItems
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*
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* @return void
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*
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*/
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function __construct($indent = true) {
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parent::__construct($indent);
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$this->namespaces = array();
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$this->links = array();
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$this->entries = array();
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$this->addNamespace('xmlns', 'http://www.w3.org/2005/Atom');
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}
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function addNamespace($namespace, $uri)
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{
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$ns = array($namespace => $uri);
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$this->namespaces = array_merge($this->namespaces, $ns);
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}
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function getNamespaces()
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{
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return $this->namespaces;
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}
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function initFeed()
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{
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$this->xw->startDocument('1.0', 'UTF-8');
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$commonAttrs = array('xml:lang' => 'en-US');
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$commonAttrs = array_merge($commonAttrs, $this->namespaces);
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$this->elementStart('feed', $commonAttrs);
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$this->element('id', null, $this->id);
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$this->element('title', null, $this->title);
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$this->element('subtitle', null, $this->subtitle);
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$this->element('logo', null, $this->logo);
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$this->element('updated', null, $this->updated);
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$this->renderLinks();
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}
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/**
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* Check that all required elements have been set, etc.
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* Throws an Atom10FeedException if something's missing.
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*
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* @return void
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*/
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function validate()
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{
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}
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function renderLinks()
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{
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foreach ($this->links as $attrs)
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{
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$this->element('link', $attrs, null);
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}
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}
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function addEntryRaw($entry)
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{
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array_push($this->entries, $entry);
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}
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function addEntry($entry)
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{
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array_push($this->entries, $entry->getString());
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}
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function renderEntries()
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{
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foreach ($this->entries as $entry) {
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$this->raw($entry);
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}
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}
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function endFeed()
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{
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$this->elementEnd('feed');
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$this->xw->endDocument();
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}
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function getString()
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{
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$this->validate();
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$this->initFeed();
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$this->renderEntries();
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$this->endFeed();
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return $this->xw->outputMemory();
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}
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function setId($id)
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{
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$this->id = $id;
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}
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function setTitle($title)
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{
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$this->title = $title;
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}
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function setSubtitle($subtitle)
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{
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$this->subtitle = $subtitle;
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}
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function setLogo($logo)
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{
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$this->logo = $logo;
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}
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function setUpdated($dt)
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{
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$this->updated = common_date_iso8601($dt);
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}
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function setPublished($dt)
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{
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$this->published = common_date_iso8601($dt);
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}
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/**
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* Adds a link element into the Atom document
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*
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* Assumes you want rel="alternate" and type="text/html" unless
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* you send in $otherAttrs.
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*
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* @param string $uri the uri the href needs to point to
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* @param array $otherAttrs other attributes to stick in
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*
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* @return void
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*/
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function addLink($uri, $otherAttrs = null) {
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$attrs = array('href' => $uri);
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if (is_null($otherAttrs)) {
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$attrs['rel'] = 'alternate';
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$attrs['type'] = 'text/html';
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} else {
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$attrs = array_merge($attrs, $otherAttrs);
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}
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array_push($this->links, $attrs);
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}
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}
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