5 * Created on Sep 19, 2006
7 * API for MediaWiki 1.8+
9 * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 * http://www.gnu.org/copyleft/gpl.html
27 if (!defined('MEDIAWIKI')) {
28 // Eclipse helper - will be ignored in production
29 require_once ('ApiBase.php');
32 abstract class ApiFormatBase
extends ApiBase
{
34 private $mIsHtml, $mFormat;
39 public function __construct($main, $format) {
40 parent
:: __construct($main, $format);
42 $this->mIsHtml
= (substr($format, -2, 2) === 'fm'); // ends with 'fm'
44 $this->mFormat
= substr($format, 0, -2); // remove ending 'fm'
46 $this->mFormat
= $format;
47 $this->mFormat
= strtoupper($this->mFormat
);
51 * Overriding class returns the mime type that should be sent to the client.
52 * This method is not called if getIsHtml() returns true.
55 public abstract function getMimeType();
57 public function getNeedsRawData() {
62 * Returns true when an HTML filtering printer should be used.
63 * The default implementation assumes that formats ending with 'fm'
64 * should be formatted in HTML.
66 public function getIsHtml() {
67 return $this->mIsHtml
;
71 * Initialize the printer function and prepares the output headers, etc.
72 * This method must be the first outputing method during execution.
73 * A help screen's header is printed for the HTML-based output
75 function initPrinter($isError) {
76 $isHtml = $this->getIsHtml();
77 $mime = $isHtml ?
'text/html' : $this->getMimeType();
79 // Some printers (ex. Feed) do their own header settings,
80 // in which case $mime will be set to null
82 return; // skip any initialization
84 header("Content-Type: $mime; charset=utf-8;");
85 header("Cache-Control: private, s-maxage=0, max-age=0");
91 <title
>MediaWiki API
</title
>
101 You are looking at the HTML representation of the
<?
=$this->mFormat?
> format
.<br
/>
102 HTML is good
for debugging
, but probably not suitable
for your application
.<br
/>
103 Please see
"format" parameter documentation at the
<a href
='api.php'>API help
</a
>
104 for more information
.<br
/>
119 * Finish printing. Closes HTML tags.
121 public function closePrinter() {
122 if ($this->getIsHtml()) {
132 public function printText($text) {
133 if ($this->getIsHtml())
134 echo $this->formatHTML($text);
140 * Prety-print various elements in HTML format, such as xml tags and URLs.
141 * This method also replaces any '<' with <
143 protected function formatHTML($text) {
144 // encode all tags as safe blue strings
145 $text = ereg_replace('\<([^>]+)\>', '<font color=blue><\1></font>', $text);
147 $text = ereg_replace("[a-zA-Z]+://[^ '\"()<\n]+", '<a href="\\0">\\0</a>', $text);
148 // identify requests to api.php
149 $text = ereg_replace("api\\.php\\?[^ ()<\n\t]+", '<a href="\\0">\\0</a>', $text);
150 // make strings inside * bold
151 $text = ereg_replace("\\*[^<>\n]+\\*", '<b>\\0</b>', $text);
152 // make strings inside $ italic
153 $text = ereg_replace("\\$[^<>\n]+\\$", '<b><i>\\0</i></b>', $text);
159 * Returns usage examples for this format.
161 protected function getExamples() {
162 return 'api.php?action=query&meta=siteinfo&si=namespaces&format=' . $this->getModuleName();
165 public static function getBaseVersion() {
166 return __CLASS__
. ': $Id$';
171 * This printer is used to wrap an instance of the Feed class
173 class ApiFormatFeedWrapper
extends ApiFormatBase
{
175 public function __construct($main) {
176 parent
:: __construct($main, 'feed');
180 * Call this method to initialize output data
182 public static function setResult($result, $feed, $feedItems) {
183 // Store output in the Result data.
184 // This way we can check during execution if any error has occured
185 $data =& $result->getData();
186 $data['_feed'] = $feed;
187 $data['_feeditems'] = $feedItems;
191 * Feed does its own headers
193 public function getMimeType() {
198 * Optimization - no need to sanitize data that will not be needed
200 public function getNeedsRawData() {
204 public function execute() {
205 $data =& $this->getResultData();
206 if (isset($data['_feed']) && isset($data['_feeditems'])) {
207 $feed =& $data['_feed'];
208 $items =& $data['_feeditems'];
211 foreach($items as &$item)
212 $feed->outItem($item);
215 // Error has occured, print something usefull
216 // TODO: make this error more informative using $this->dieDebug() or similar
217 wfHttpError(500, 'Internal Server Error', '');
221 public function getVersion() {
222 return __CLASS__
. ': $Id$';