xref: /dokuwiki/lib/plugins/syntax.php (revision f62ea8a1d1cf10eddeae777b11420624e111b7ea)
1*f62ea8a1Sandi<?php
2*f62ea8a1Sandi/**
3*f62ea8a1Sandi * Syntax Plugin Prototype
4*f62ea8a1Sandi *
5*f62ea8a1Sandi * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6*f62ea8a1Sandi * @author     Andreas Gohr <andi@splitbrain.org>
7*f62ea8a1Sandi */
8*f62ea8a1Sandi
9*f62ea8a1Sandiif(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
10*f62ea8a1Sandiif(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
11*f62ea8a1Sandirequire_once(DOKU_INC.'inc/parser/parser.php');
12*f62ea8a1Sandi
13*f62ea8a1Sandi/**
14*f62ea8a1Sandi * All DokuWiki plugins to extend the parser/rendering mechanism
15*f62ea8a1Sandi * need to inherit from this class
16*f62ea8a1Sandi */
17*f62ea8a1Sandiclass DokuWiki_Syntax_Plugin extends Doku_Parser_Mode {
18*f62ea8a1Sandi
19*f62ea8a1Sandi    /**
20*f62ea8a1Sandi     * Needs to return one of the mode types defined in $PARSER_MODES in parser.php
21*f62ea8a1Sandi     */
22*f62ea8a1Sandi    function getType(){
23*f62ea8a1Sandi        trigger_error('getType() not implemented in '.get_class($this), E_USER_WARNING);
24*f62ea8a1Sandi    }
25*f62ea8a1Sandi
26*f62ea8a1Sandi    /**
27*f62ea8a1Sandi     * Handler to prepare matched data for the rendering process
28*f62ea8a1Sandi     *
29*f62ea8a1Sandi     * Usually you should only need the $match param.
30*f62ea8a1Sandi     *
31*f62ea8a1Sandi     * @param   $match   string    The text matched by the patterns
32*f62ea8a1Sandi     * @param   $state   int       The lexer state for the match
33*f62ea8a1Sandi     * @param   $pos     int       The character position of the matched text
34*f62ea8a1Sandi     * @param   $handler ref       Reference to the Doku_Handler object
35*f62ea8a1Sandi     * @return  array              Return an array with all data you want to use in render
36*f62ea8a1Sandi     */
37*f62ea8a1Sandi    function handle($match, $state, $pos, &$handler){
38*f62ea8a1Sandi        trigger_error('handle() not implemented in '.get_class($this), E_USER_WARNING);
39*f62ea8a1Sandi    }
40*f62ea8a1Sandi
41*f62ea8a1Sandi    /**
42*f62ea8a1Sandi     * Handles the actual output creation.
43*f62ea8a1Sandi     *
44*f62ea8a1Sandi     * The function should always check for the given mode and return false
45*f62ea8a1Sandi     * when a mode isn't supported.
46*f62ea8a1Sandi     *
47*f62ea8a1Sandi     * $renderer contains a reference to the renderer object which is
48*f62ea8a1Sandi     * currently handling the rendering. You need to use it for writing
49*f62ea8a1Sandi     * the output. How this is done depends on the renderer used (specified
50*f62ea8a1Sandi     * by $mode
51*f62ea8a1Sandi     *
52*f62ea8a1Sandi     * The contents of the $data array depends on what the handler() function above
53*f62ea8a1Sandi     * created
54*f62ea8a1Sandi     *
55*f62ea8a1Sandi     * @param   $mode     string   current Rendermode
56*f62ea8a1Sandi     * @param   $renderer ref      reference to the current renderer object
57*f62ea8a1Sandi     * @param   $data     array    data created by handler()
58*f62ea8a1Sandi     * @return  boolean            rendered correctly?
59*f62ea8a1Sandi     */
60*f62ea8a1Sandi    function render($mode, &$renderer, $data) {
61*f62ea8a1Sandi        trigger_error('render() not implemented in '.get_class($this), E_USER_WARNING);
62*f62ea8a1Sandi    }
63*f62ea8a1Sandi
64*f62ea8a1Sandi}
65*f62ea8a1Sandi
66*f62ea8a1Sandi//Setup VIM: ex: et ts=4 enc=utf-8 :
67