xref: /dokuwiki/inc/parser/renderer.php (revision 9be05bde2838b8a3ae2a0353b76dfdfc2c6199f0)
1<?php
2/**
3 * Renderer output base class
4 *
5 * @author Harry Fuecks <hfuecks@gmail.com>
6 * @author Andreas Gohr <andi@splitbrain.org>
7 */
8if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
9
10require_once DOKU_INC . 'inc/parser/renderer.php';
11require_once DOKU_INC . 'inc/plugin.php';
12require_once DOKU_INC . 'inc/pluginutils.php';
13
14/**
15 * An empty renderer, produces no output
16 *
17 * Inherits from DokuWiki_Plugin for giving additional functions to render plugins
18 */
19class Doku_Renderer extends DokuWiki_Plugin {
20    var $info = array(
21        'cache' => true, // may the rendered result cached?
22        'toc'   => true, // render the TOC?
23    );
24
25    // keep some config options
26    var $acronyms = array();
27    var $smileys = array();
28    var $badwords = array();
29    var $entities = array();
30    var $interwiki = array();
31
32    function nocache() {
33        $this->info['cache'] = false;
34    }
35
36    function notoc() {
37        $this->info['toc'] = false;
38    }
39
40    /**
41     * Returns the format produced by this renderer.
42     *
43     * Has to be overidden by decendend classes
44     */
45    function getFormat(){
46        trigger_error('getFormat() not implemented in '.get_class($this), E_USER_WARNING);
47    }
48
49
50    //handle plugin rendering
51    function plugin($name,$data){
52        $plugin =& plugin_load('syntax',$name);
53        if($plugin != null){
54            $plugin->render($this->getFormat(),$this,$data);
55        }
56    }
57
58    /**
59     * handle nested render instructions
60     * this method (and nest_close method) should not be overloaded in actual renderer output classes
61     */
62    function nest($instructions) {
63
64      foreach ( $instructions as $instruction ) {
65        // execute the callback against ourself
66        call_user_func_array(array(&$this, $instruction[0]),$instruction[1]);
67      }
68    }
69
70    // dummy closing instruction issued by Doku_Handler_Nest, normally the syntax mode should
71    // override this instruction when instantiating Doku_Handler_Nest - however plugins will not
72    // be able to - as their instructions require data.
73    function nest_close() {}
74
75    function document_start() {}
76
77    function document_end() {}
78
79    function render_TOC() { return ''; }
80
81    function toc_additem($id, $text, $level) {}
82
83    function header($text, $level, $pos) {}
84
85    function section_edit($start, $end, $level, $name) {}
86
87    function section_open($level) {}
88
89    function section_close() {}
90
91    function cdata($text) {}
92
93    function p_open() {}
94
95    function p_close() {}
96
97    function linebreak() {}
98
99    function hr() {}
100
101    function strong_open() {}
102
103    function strong_close() {}
104
105    function emphasis_open() {}
106
107    function emphasis_close() {}
108
109    function underline_open() {}
110
111    function underline_close() {}
112
113    function monospace_open() {}
114
115    function monospace_close() {}
116
117    function subscript_open() {}
118
119    function subscript_close() {}
120
121    function superscript_open() {}
122
123    function superscript_close() {}
124
125    function deleted_open() {}
126
127    function deleted_close() {}
128
129    function footnote_open() {}
130
131    function footnote_close() {}
132
133    function listu_open() {}
134
135    function listu_close() {}
136
137    function listo_open() {}
138
139    function listo_close() {}
140
141    function listitem_open($level) {}
142
143    function listitem_close() {}
144
145    function listcontent_open() {}
146
147    function listcontent_close() {}
148
149    function unformatted($text) {}
150
151    function php($text) {}
152
153    function html($text) {}
154
155    function preformatted($text) {}
156
157    function file($text) {}
158
159    function quote_open() {}
160
161    function quote_close() {}
162
163    function code($text, $lang = NULL) {}
164
165    function acronym($acronym) {}
166
167    function smiley($smiley) {}
168
169    function wordblock($word) {}
170
171    function entity($entity) {}
172
173    // 640x480 ($x=640, $y=480)
174    function multiplyentity($x, $y) {}
175
176    function singlequoteopening() {}
177
178    function singlequoteclosing() {}
179
180    function doublequoteopening() {}
181
182    function doublequoteclosing() {}
183
184    // $link like 'SomePage'
185    function camelcaselink($link) {}
186
187    function locallink($hash, $name = NULL) {}
188
189    // $link like 'wiki:syntax', $title could be an array (media)
190    function internallink($link, $title = NULL) {}
191
192    // $link is full URL with scheme, $title could be an array (media)
193    function externallink($link, $title = NULL) {}
194
195    // $link is the original link - probably not much use
196    // $wikiName is an indentifier for the wiki
197    // $wikiUri is the URL fragment to append to some known URL
198    function interwikilink($link, $title = NULL, $wikiName, $wikiUri) {}
199
200    // Link to file on users OS, $title could be an array (media)
201    function filelink($link, $title = NULL) {}
202
203    // Link to a Windows share, , $title could be an array (media)
204    function windowssharelink($link, $title = NULL) {}
205
206//  function email($address, $title = NULL) {}
207    function emaillink($address, $name = NULL) {}
208
209    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
210                            $height=NULL, $cache=NULL, $linking=NULL) {}
211
212    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
213                            $height=NULL, $cache=NULL, $linking=NULL) {}
214
215    function internalmedialink (
216        $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL
217        ) {}
218
219    function externalmedialink(
220        $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL
221        ) {}
222
223    function table_open($maxcols = NULL, $numrows = NULL){}
224
225    function table_close(){}
226
227    function tablerow_open(){}
228
229    function tablerow_close(){}
230
231    function tableheader_open($colspan = 1, $align = NULL){}
232
233    function tableheader_close(){}
234
235    function tablecell_open($colspan = 1, $align = NULL){}
236
237    function tablecell_close(){}
238
239
240    // util functions follow, you probably won't need to reimplement them
241
242
243    /**
244     * Removes any Namespace from the given name but keeps
245     * casing and special chars
246     *
247     * @author Andreas Gohr <andi@splitbrain.org>
248     */
249    function _simpleTitle($name){
250        global $conf;
251
252        //if there is a hash we use the ancor name only
253        list($name,$hash) = explode('#',$name,2);
254        if($hash) return $hash;
255
256        //trim colons or slash of a namespace link
257        $name = rtrim($name,':');
258        if($conf['useslash'])
259          $name = rtrim($name,'/');
260
261        if($conf['useslash']){
262            $nssep = '[:;/]';
263        }else{
264            $nssep = '[:;]';
265        }
266        $name = preg_replace('!.*'.$nssep.'!','',$name);
267
268        if(!$name) return $this->_simpleTitle($conf['start']);
269        return $name;
270    }
271
272    /**
273     * Resolve an interwikilink
274     */
275    function _resolveInterWiki(&$shortcut,$reference){
276        //get interwiki URL
277        if ( isset($this->interwiki[$shortcut]) ) {
278            $url = $this->interwiki[$shortcut];
279        } else {
280            // Default to Google I'm feeling lucky
281            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
282            $shortcut = 'go';
283        }
284
285        //split into hash and url part
286        list($wikiUri,$hash) = explode('#',$wikiUri,2);
287
288        //replace placeholder
289        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
290            //use placeholders
291            $url = str_replace('{URL}',rawurlencode($reference),$url);
292            $url = str_replace('{NAME}',$reference,$url);
293            $parsed = parse_url($reference);
294            if(!$parsed['port']) $parsed['port'] = 80;
295            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
296            $url = str_replace('{HOST}',$parsed['host'],$url);
297            $url = str_replace('{PORT}',$parsed['port'],$url);
298            $url = str_replace('{PATH}',$parsed['path'],$url);
299            $url = str_replace('{QUERY}',$parsed['query'],$url);
300        }else{
301            //default
302            $url = $url.rawurlencode($reference);
303        }
304        if($hash) $url .= '#'.rawurlencode($hash);
305
306        return $url;
307    }
308}
309
310
311//Setup VIM: ex: et ts=4 enc=utf-8 :
312