xref: /dokuwiki/inc/parser/xhtmlsummary.php (revision 5fb14d63b6a7de75860bd8a94caa8d2f2fe8ee5e) 
1<?php
2if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
3
4require_once DOKU_INC . 'inc/parser/xhtml.php';
5
6/**
7* The summary XHTML form selects either up to the first two paragraphs
8* it find in a page or the first section (whichever comes first)
9* It strips out the table of contents if one exists
10* Section divs are not used - everything should be nested in a single
11* div with CSS class "page"
12* Headings have their a name link removed and section editing links
13* removed
14* It also attempts to capture the first heading in a page for
15* use as the title of the page.
16*/
17class Doku_Renderer_xhtmlsummary extends Doku_Renderer_xhtml {
18
19    // Namespace these variables to
20    // avoid clashes with parent classes
21    var $sum_paragraphs = 0;
22    var $sum_capture = TRUE;
23    var $sum_inSection = FALSE;
24    var $sum_summary = '';
25    var $sum_pageTitle = FALSE;
26
27    function document_start() {
28        $this->doc .= DOKU_LF.'<div>'.DOKU_LF;
29    }
30
31    function document_end() {
32        $this->doc = $this->sum_summary;
33        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
34    }
35
36    function toc_open() {
37        $this->sum_summary .= $this->doc;
38    }
39
40    function toc_close() {
41        $this->doc = '';
42    }
43
44    function header($text, $level, $pos) {
45        if ( !$this->sum_pageTitle ) {
46            $this->info['sum_pagetitle'] = $text;
47            $this->sum_pageTitle = TRUE;
48        }
49        $this->doc .= DOKU_LF.'<h'.$level.'>';
50        $this->doc .= $this->_xmlEntities($text);
51        $this->doc .= "</h$level>".DOKU_LF;
52    }
53
54    function section_open($level) {
55        if ( $this->sum_capture ) {
56            $this->sum_inSection = TRUE;
57        }
58    }
59
60    function section_close() {
61        if ( $this->sum_capture && $this->sum_inSection ) {
62            $this->sum_summary .= $this->doc;
63            $this->sum_capture = FALSE;
64        }
65    }
66
67    function p_open() {
68        if ( $this->sum_capture && $this->sum_paragraphs < 2 ) {
69            $this->sum_paragraphs++;
70        }
71        parent :: p_open();
72    }
73
74    function p_close() {
75        parent :: p_close();
76        if ( $this->sum_capture && $this->sum_paragraphs >= 2 ) {
77            $this->sum_summary .= $this->doc;
78            $this->sum_capture = FALSE;
79        }
80    }
81
82}
83
84
85//Setup VIM: ex: et ts=2 enc=utf-8 :
86