3 * Zend Framework (http://framework.zend.com/)
5 * @link http://github.com/zendframework/zf2 for the canonical source repository
6 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
7 * @license http://framework.zend.com/license/new-bsd New BSD License
10 namespace Zend\Feed\Writer;
19 const NAMESPACE_ATOM_03 = 'http://purl.org/atom/ns#';
20 const NAMESPACE_ATOM_10 = 'http://www.w3.org/2005/Atom';
21 const NAMESPACE_RDF = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
22 const NAMESPACE_RSS_090 = 'http://my.netscape.com/rdf/simple/0.9/';
23 const NAMESPACE_RSS_10 = 'http://purl.org/rss/1.0/';
28 const TYPE_ANY = 'any';
29 const TYPE_ATOM_03 = 'atom-03';
30 const TYPE_ATOM_10 = 'atom-10';
31 const TYPE_ATOM_ANY = 'atom';
32 const TYPE_RSS_090 = 'rss-090';
33 const TYPE_RSS_091 = 'rss-091';
34 const TYPE_RSS_091_NETSCAPE = 'rss-091n';
35 const TYPE_RSS_091_USERLAND = 'rss-091u';
36 const TYPE_RSS_092 = 'rss-092';
37 const TYPE_RSS_093 = 'rss-093';
38 const TYPE_RSS_094 = 'rss-094';
39 const TYPE_RSS_10 = 'rss-10';
40 const TYPE_RSS_20 = 'rss-20';
41 const TYPE_RSS_ANY = 'rss';
44 * @var ExtensionManagerInterface
46 protected static $extensionManager = null;
49 * Array of registered extensions by class postfix (after the base class
50 * name) across four categories - data containers and renderers for entry
55 protected static $extensions = [
58 'entryRenderer' => [],
63 * Set plugin loader for use with Extensions
65 * @param ExtensionManagerInterface
67 public static function setExtensionManager(ExtensionManagerInterface $extensionManager)
69 static::$extensionManager = $extensionManager;
73 * Get plugin manager for use with Extensions
75 * @return ExtensionManagerInterface
77 public static function getExtensionManager()
79 if (! isset(static::$extensionManager)) {
80 static::setExtensionManager(new ExtensionManager());
82 return static::$extensionManager;
86 * Register an Extension by name
90 * @throws Exception\RuntimeException if unable to resolve Extension class
92 public static function registerExtension($name)
94 $feedName = $name . '\Feed';
95 $entryName = $name . '\Entry';
96 $feedRendererName = $name . '\Renderer\Feed';
97 $entryRendererName = $name . '\Renderer\Entry';
98 $manager = static::getExtensionManager();
99 if (static::isRegistered($name)) {
100 if ($manager->has($feedName)
101 || $manager->has($entryName)
102 || $manager->has($feedRendererName)
103 || $manager->has($entryRendererName)
108 if (! $manager->has($feedName)
109 && ! $manager->has($entryName)
110 && ! $manager->has($feedRendererName)
111 && ! $manager->has($entryRendererName)
113 throw new Exception\RuntimeException(sprintf(
114 'Could not load extension "%s" using Plugin Loader. '
115 . 'Check prefix paths are configured and extension exists.',
119 if ($manager->has($feedName)) {
120 static::$extensions['feed'][] = $feedName;
122 if ($manager->has($entryName)) {
123 static::$extensions['entry'][] = $entryName;
125 if ($manager->has($feedRendererName)) {
126 static::$extensions['feedRenderer'][] = $feedRendererName;
128 if ($manager->has($entryRendererName)) {
129 static::$extensions['entryRenderer'][] = $entryRendererName;
134 * Is a given named Extension registered?
136 * @param string $extensionName
139 public static function isRegistered($extensionName)
141 $feedName = $extensionName . '\Feed';
142 $entryName = $extensionName . '\Entry';
143 $feedRendererName = $extensionName . '\Renderer\Feed';
144 $entryRendererName = $extensionName . '\Renderer\Entry';
145 if (in_array($feedName, static::$extensions['feed'])
146 || in_array($entryName, static::$extensions['entry'])
147 || in_array($feedRendererName, static::$extensions['feedRenderer'])
148 || in_array($entryRendererName, static::$extensions['entryRenderer'])
156 * Get a list of extensions
160 public static function getExtensions()
162 return static::$extensions;
166 * Reset class state to defaults
170 public static function reset()
172 static::$extensionManager = null;
173 static::$extensions = [
176 'entryRenderer' => [],
177 'feedRenderer' => [],
182 * Register core (default) extensions
186 public static function registerCoreExtensions()
188 static::registerExtension('DublinCore');
189 static::registerExtension('Content');
190 static::registerExtension('Atom');
191 static::registerExtension('Slash');
192 static::registerExtension('WellFormedWeb');
193 static::registerExtension('Threading');
194 static::registerExtension('ITunes');
197 public static function lcfirst($str)
199 $str[0] = strtolower($str[0]);