1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
<?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 Zend\Feed\Writer;
/**
*/
class Writer
{
/**
* Namespace constants
*/
const NAMESPACE_ATOM_03 = 'http://purl.org/atom/ns#';
const NAMESPACE_ATOM_10 = 'http://www.w3.org/2005/Atom';
const NAMESPACE_RDF = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
const NAMESPACE_RSS_090 = 'http://my.netscape.com/rdf/simple/0.9/';
const NAMESPACE_RSS_10 = 'http://purl.org/rss/1.0/';
/**
* Feed type constants
*/
const TYPE_ANY = 'any';
const TYPE_ATOM_03 = 'atom-03';
const TYPE_ATOM_10 = 'atom-10';
const TYPE_ATOM_ANY = 'atom';
const TYPE_RSS_090 = 'rss-090';
const TYPE_RSS_091 = 'rss-091';
const TYPE_RSS_091_NETSCAPE = 'rss-091n';
const TYPE_RSS_091_USERLAND = 'rss-091u';
const TYPE_RSS_092 = 'rss-092';
const TYPE_RSS_093 = 'rss-093';
const TYPE_RSS_094 = 'rss-094';
const TYPE_RSS_10 = 'rss-10';
const TYPE_RSS_20 = 'rss-20';
const TYPE_RSS_ANY = 'rss';
/**
* @var ExtensionManagerInterface
*/
protected static $extensionManager = null;
/**
* Array of registered extensions by class postfix (after the base class
* name) across four categories - data containers and renderers for entry
* and feed levels.
*
* @var array
*/
protected static $extensions = array(
'entry' => array(),
'feed' => array(),
'entryRenderer' => array(),
'feedRenderer' => array(),
);
/**
* Set plugin loader for use with Extensions
*
* @param ExtensionManagerInterface
*/
public static function setExtensionManager(ExtensionManagerInterface $extensionManager)
{
static::$extensionManager = $extensionManager;
}
/**
* Get plugin manager for use with Extensions
*
* @return ExtensionManagerInterface
*/
public static function getExtensionManager()
{
if (!isset(static::$extensionManager)) {
static::setExtensionManager(new ExtensionManager());
}
return static::$extensionManager;
}
/**
* Register an Extension by name
*
* @param string $name
* @return void
* @throws Exception\RuntimeException if unable to resolve Extension class
*/
public static function registerExtension($name)
{
$feedName = $name . '\Feed';
$entryName = $name . '\Entry';
$feedRendererName = $name . '\Renderer\Feed';
$entryRendererName = $name . '\Renderer\Entry';
$manager = static::getExtensionManager();
if (static::isRegistered($name)) {
if ($manager->has($feedName)
|| $manager->has($entryName)
|| $manager->has($feedRendererName)
|| $manager->has($entryRendererName)
) {
return;
}
}
if (!$manager->has($feedName)
&& !$manager->has($entryName)
&& !$manager->has($feedRendererName)
&& !$manager->has($entryRendererName)
) {
throw new Exception\RuntimeException('Could not load extension: ' . $name
. 'using Plugin Loader. Check prefix paths are configured and extension exists.');
}
if ($manager->has($feedName)) {
static::$extensions['feed'][] = $feedName;
}
if ($manager->has($entryName)) {
static::$extensions['entry'][] = $entryName;
}
if ($manager->has($feedRendererName)) {
static::$extensions['feedRenderer'][] = $feedRendererName;
}
if ($manager->has($entryRendererName)) {
static::$extensions['entryRenderer'][] = $entryRendererName;
}
}
/**
* Is a given named Extension registered?
*
* @param string $extensionName
* @return bool
*/
public static function isRegistered($extensionName)
{
$feedName = $extensionName . '\Feed';
$entryName = $extensionName . '\Entry';
$feedRendererName = $extensionName . '\Renderer\Feed';
$entryRendererName = $extensionName . '\Renderer\Entry';
if (in_array($feedName, static::$extensions['feed'])
|| in_array($entryName, static::$extensions['entry'])
|| in_array($feedRendererName, static::$extensions['feedRenderer'])
|| in_array($entryRendererName, static::$extensions['entryRenderer'])
) {
return true;
}
return false;
}
/**
* Get a list of extensions
*
* @return array
*/
public static function getExtensions()
{
return static::$extensions;
}
/**
* Reset class state to defaults
*
* @return void
*/
public static function reset()
{
static::$extensionManager = null;
static::$extensions = array(
'entry' => array(),
'feed' => array(),
'entryRenderer' => array(),
'feedRenderer' => array(),
);
}
/**
* Register core (default) extensions
*
* @return void
*/
public static function registerCoreExtensions()
{
static::registerExtension('DublinCore');
static::registerExtension('Content');
static::registerExtension('Atom');
static::registerExtension('Slash');
static::registerExtension('WellFormedWeb');
static::registerExtension('Threading');
static::registerExtension('ITunes');
}
public static function lcfirst($str)
{
$str[0] = strtolower($str[0]);
return $str;
}
}
|
