xref: /dokuwiki/inc/parser/renderer.php (revision 63fe0db9b39037ea1ffe8b6cfa4f760a08ebe27a)
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        $this->info['toc'] = false;
38    }
39
40    //handle plugin rendering
41    function plugin($name,$data){
42        $plugin =& plugin_load('syntax',$name);
43        if($plugin != null){
44            // determine mode from renderer class name - format = "Doku_Renderer_<mode>"
45            $mode = substr(get_class($this), 14);
46            $plugin->render($mode,$this,$data);
47        }
48    }
49
50    /**
51     * handle nested render instructions
52     * this method (and nest_close method) should not be overloaded in actual renderer output classes
53     */
54    function nest($instructions) {
55
56      foreach ( $instructions as $instruction ) {
57        // execute the callback against ourself
58        call_user_func_array(array(&$this, $instruction[0]),$instruction[1]);
59      }
60    }
61
62    // dummy closing instruction issued by Doku_Handler_Nest, normally the syntax mode should
63    // override this instruction when instantiating Doku_Handler_Nest - however plugins will not
64    // be able to - as their instructions require data.
65    function nest_close() {}
66
67    function document_start() {}
68
69    function document_end() {}
70
71    function render_TOC() { return ''; }
72
73    function toc_additem($id, $text, $level) {}
74
75    function header($text, $level, $pos) {}
76
77    function section_edit($start, $end, $level, $name) {}
78
79    function section_open($level) {}
80
81    function section_close() {}
82
83    function cdata($text) {}
84
85    function p_open() {}
86
87    function p_close() {}
88
89    function linebreak() {}
90
91    function hr() {}
92
93    function strong_open() {}
94
95    function strong_close() {}
96
97    function emphasis_open() {}
98
99    function emphasis_close() {}
100
101    function underline_open() {}
102
103    function underline_close() {}
104
105    function monospace_open() {}
106
107    function monospace_close() {}
108
109    function subscript_open() {}
110
111    function subscript_close() {}
112
113    function superscript_open() {}
114
115    function superscript_close() {}
116
117    function deleted_open() {}
118
119    function deleted_close() {}
120
121    function footnote_open() {}
122
123    function footnote_close() {}
124
125    function listu_open() {}
126
127    function listu_close() {}
128
129    function listo_open() {}
130
131    function listo_close() {}
132
133    function listitem_open($level) {}
134
135    function listitem_close() {}
136
137    function listcontent_open() {}
138
139    function listcontent_close() {}
140
141    function unformatted($text) {}
142
143    function php($text) {}
144
145    function html($text) {}
146
147    function preformatted($text) {}
148
149    function file($text) {}
150
151    function quote_open() {}
152
153    function quote_close() {}
154
155    function code($text, $lang = NULL) {}
156
157    function acronym($acronym) {}
158
159    function smiley($smiley) {}
160
161    function wordblock($word) {}
162
163    function entity($entity) {}
164
165    // 640x480 ($x=640, $y=480)
166    function multiplyentity($x, $y) {}
167
168    function singlequoteopening() {}
169
170    function singlequoteclosing() {}
171
172    function doublequoteopening() {}
173
174    function doublequoteclosing() {}
175
176    // $link like 'SomePage'
177    function camelcaselink($link) {}
178
179    function locallink($hash, $name = NULL) {}
180
181    // $link like 'wiki:syntax', $title could be an array (media)
182    function internallink($link, $title = NULL) {}
183
184    // $link is full URL with scheme, $title could be an array (media)
185    function externallink($link, $title = NULL) {}
186
187    // $link is the original link - probably not much use
188    // $wikiName is an indentifier for the wiki
189    // $wikiUri is the URL fragment to append to some known URL
190    function interwikilink($link, $title = NULL, $wikiName, $wikiUri) {}
191
192    // Link to file on users OS, $title could be an array (media)
193    function filelink($link, $title = NULL) {}
194
195    // Link to a Windows share, , $title could be an array (media)
196    function windowssharelink($link, $title = NULL) {}
197
198//  function email($address, $title = NULL) {}
199    function emaillink($address, $name = NULL) {}
200
201    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
202                            $height=NULL, $cache=NULL, $linking=NULL) {}
203
204    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
205                            $height=NULL, $cache=NULL, $linking=NULL) {}
206
207    function internalmedialink (
208        $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL
209        ) {}
210
211    function externalmedialink(
212        $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL
213        ) {}
214
215    function table_open($maxcols = NULL, $numrows = NULL){}
216
217    function table_close(){}
218
219    function tablerow_open(){}
220
221    function tablerow_close(){}
222
223    function tableheader_open($colspan = 1, $align = NULL){}
224
225    function tableheader_close(){}
226
227    function tablecell_open($colspan = 1, $align = NULL){}
228
229    function tablecell_close(){}
230
231
232    // util functions follow, you probably won't need to reimplement them
233
234
235    /**
236     * Removes any Namespace from the given name but keeps
237     * casing and special chars
238     *
239     * @author Andreas Gohr <andi@splitbrain.org>
240     */
241    function _simpleTitle($name){
242        global $conf;
243
244        //if there is a hash we use the ancor name only
245        list($name,$hash) = explode('#',$name,2);
246        if($hash) return $hash;
247
248        //trim colons or slash of a namespace link
249        $name = rtrim($name,':');
250        if($conf['useslash'])
251          $name = rtrim($name,'/');
252
253        if($conf['useslash']){
254            $nssep = '[:;/]';
255        }else{
256            $nssep = '[:;]';
257        }
258        $name = preg_replace('!.*'.$nssep.'!','',$name);
259
260        if(!$name) return $this->_simpleTitle($conf['start']);
261        return $name;
262    }
263
264    /**
265     * Resolve an interwikilink
266     */
267    function _resolveInterWiki(&$shortcut,$reference){
268        //get interwiki URL
269        if ( isset($this->interwiki[$shortcut]) ) {
270            $url = $this->interwiki[$shortcut];
271        } else {
272            // Default to Google I'm feeling lucky
273            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
274            $shortcut = 'go';
275        }
276
277        //split into hash and url part
278        list($wikiUri,$hash) = explode('#',$wikiUri,2);
279
280        //replace placeholder
281        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
282            //use placeholders
283            $url = str_replace('{URL}',rawurlencode($reference),$url);
284            $url = str_replace('{NAME}',$reference,$url);
285            $parsed = parse_url($reference);
286            if(!$parsed['port']) $parsed['port'] = 80;
287            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
288            $url = str_replace('{HOST}',$parsed['host'],$url);
289            $url = str_replace('{PORT}',$parsed['port'],$url);
290            $url = str_replace('{PATH}',$parsed['path'],$url);
291            $url = str_replace('{QUERY}',$parsed['query'],$url);
292        }else{
293            //default
294            $url = $url.rawurlencode($reference);
295        }
296        if($hash) $url .= '#'.rawurlencode($hash);
297
298        return $url;
299    }
300}
301
302
303//Setup VIM: ex: et ts=4 enc=utf-8 :
304