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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
<?php
/*
* Created on Sep 19, 2006
*
* API for MediaWiki 1.8+
*
* Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if (!defined('MEDIAWIKI')) {
// Eclipse helper - will be ignored in production
require_once ('ApiBase.php');
}
abstract class ApiFormatBase extends ApiBase {
private $mIsHtml, $mFormat;
/**
* Constructor
*/
public function __construct($main, $format) {
parent :: __construct($main, $format);
$this->mIsHtml = (substr($format, -2, 2) === 'fm'); // ends with 'fm'
if ($this->mIsHtml)
$this->mFormat = substr($format, 0, -2); // remove ending 'fm'
else
$this->mFormat = $format;
$this->mFormat = strtoupper($this->mFormat);
}
/**
* Overriding class returns the mime type that should be sent to the client.
* This method is not called if getIsHtml() returns true.
* @return string
*/
public abstract function getMimeType();
public function getNeedsRawData() {
return false;
}
/**
* Returns true when an HTML filtering printer should be used.
* The default implementation assumes that formats ending with 'fm'
* should be formatted in HTML.
*/
public function getIsHtml() {
return $this->mIsHtml;
}
/**
* Initialize the printer function and prepares the output headers, etc.
* This method must be the first outputing method during execution.
* A help screen's header is printed for the HTML-based output
*/
function initPrinter($isError) {
$isHtml = $this->getIsHtml();
$mime = $isHtml ? 'text/html' : $this->getMimeType();
// Some printers (ex. Feed) do their own header settings,
// in which case $mime will be set to null
if (is_null($mime))
return; // skip any initialization
header("Content-Type: $mime; charset=utf-8");
if ($isHtml) {
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>MediaWiki API</title>
</head>
<body>
<?php
if (!$isError) {
?>
<br/>
<small>
You are looking at the HTML representation of the <?=$this->mFormat?> format.<br/>
HTML is good for debugging, but probably is not suitable for your application.<br/>
Please see "format" parameter documentation at the <a href='api.php'>API help</a>
for more information.
</small>
<?php
}
?>
<pre>
<?php
}
}
/**
* Finish printing. Closes HTML tags.
*/
public function closePrinter() {
if ($this->getIsHtml()) {
?>
</pre>
</body>
</html>
<?php
}
}
public function printText($text) {
if ($this->getIsHtml())
echo $this->formatHTML($text);
else
echo $text;
}
/**
* Prety-print various elements in HTML format, such as xml tags and URLs.
* This method also replaces any '<' with <
*/
protected function formatHTML($text) {
// encode all tags as safe blue strings
$text = ereg_replace('\<([^>]+)\>', '<span style="color:blue;"><\1></span>', $text);
// identify URLs
$protos = "http|https|ftp|gopher";
$text = ereg_replace("($protos)://[^ '\"()<\n]+", '<a href="\\0">\\0</a>', $text);
// identify requests to api.php
$text = ereg_replace("api\\.php\\?[^ ()<\n\t]+", '<a href="\\0">\\0</a>', $text);
// make strings inside * bold
$text = ereg_replace("\\*[^<>\n]+\\*", '<b>\\0</b>', $text);
// make strings inside $ italic
$text = ereg_replace("\\$[^<>\n]+\\$", '<b><i>\\0</i></b>', $text);
return $text;
}
/**
* Returns usage examples for this format.
*/
protected function getExamples() {
return 'api.php?action=query&meta=siteinfo&siprop=namespaces&format=' . $this->getModuleName();
}
protected function getDescription() {
return $this->getIsHtml() ? ' (pretty-print in HTML)' : '';
}
public static function getBaseVersion() {
return __CLASS__ . ': $Id: ApiFormatBase.php 19434 2007-01-18 02:04:11Z brion $';
}
}
/**
* This printer is used to wrap an instance of the Feed class
*/
class ApiFormatFeedWrapper extends ApiFormatBase {
public function __construct($main) {
parent :: __construct($main, 'feed');
}
/**
* Call this method to initialize output data
*/
public static function setResult($result, $feed, $feedItems) {
// Store output in the Result data.
// This way we can check during execution if any error has occured
$data = & $result->getData();
$data['_feed'] = $feed;
$data['_feeditems'] = $feedItems;
}
/**
* Feed does its own headers
*/
public function getMimeType() {
return null;
}
/**
* Optimization - no need to sanitize data that will not be needed
*/
public function getNeedsRawData() {
return true;
}
public function execute() {
$data = $this->getResultData();
if (isset ($data['_feed']) && isset ($data['_feeditems'])) {
$feed = $data['_feed'];
$items = $data['_feeditems'];
$feed->outHeader();
foreach ($items as & $item)
$feed->outItem($item);
$feed->outFooter();
} else {
// Error has occured, print something usefull
// TODO: make this error more informative using ApiBase :: dieDebug() or similar
wfHttpError(500, 'Internal Server Error', '');
}
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiFormatBase.php 19434 2007-01-18 02:04:11Z brion $';
}
}
?>
|
