Subversion Repositories Applications.papyrus

Rev

Rev 1371 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
248 jpm 1 
<?php
2 
// $Id: Toc.php,v 1.1 2005-01-20 19:43:20 jpm Exp $
3 
 
4 
 
5 
/**
6 
*
7 
* This class implements a Text_Wiki_Parse to find all heading tokens and
8 
* build a table of contents.  The [[toc]] tag gets replaced with a list
9 
* of all the level-2 through level-6 headings.
10 
*
11 
* @author Paul M. Jones <pmjones@ciaweb.net>
12 
*
13 
* @package Text_Wiki
14 
*
15 
*/
16 
 
17 
 
18 
class Text_Wiki_Parse_Toc extends Text_Wiki_Parse {
19 
 
20 
 
21 
    /**
22 
    *
23 
    * The regular expression used to parse the source text and find
24 
    * matches conforming to this rule.  Used by the parse() method.
25 
    *
26 
    * @access public
27 
    *
28 
    * @var string
29 
    *
30 
    * @see parse()
31 
    *
32 
    */
33 
 
34 
    var $regex = "/\n\[\[toc( .*)?\]\]\n/m";
35 
 
36 
 
37 
    /**
38 
    *
39 
    * Generates a replacement for the matched text.
40 
    *
41 
    * Token options are:
42 
    *
43 
    * 'type' => ['list_start'|'list_end'|'item_start'|'item_end'|'target']
44 
    *
45 
    * 'level' => The heading level (1-6).
46 
    *
47 
    * 'count' => Which entry number this is in the list.
48 
    *
49 
    * @access public
50 
    *
51 
    * @param array &$matches The array of matches from parse().
52 
    *
53 
    * @return string A token indicating the TOC collection point.
54 
    *
55 
    */
56 
 
57 
    function process(&$matches)
58 
    {
59 
        $count = 0;
60 
 
61 
        if (isset($matches[1])) {
62 
            $attr = $this->getAttrs(trim($matches[1]));
63 
        } else {
64 
            $attr = array();
65 
        }
66 
 
67 
        $output = $this->wiki->addToken(
68 
            $this->rule,
69 
            array(
70 
                'type' => 'list_start',
71 
                'level' => 0,
72 
                'attr' => $attr
73 
            )
74 
        );
75 
 
76 
        foreach ($this->wiki->getTokens('Heading') as $key => $val) {
77 
 
78 
            if ($val[1]['type'] != 'start') {
79 
                continue;
80 
            }
81 
 
82 
            $options = array(
83 
                'type'  => 'item_start',
84 
                'id'    => $val[1]['id'],
85 
                'level' => $val[1]['level'],
86 
                'count' => $count ++
87 
            );
88 
 
89 
            $output .= $this->wiki->addToken($this->rule, $options);
90 
 
91 
            $output .= $val[1]['text'];
92 
 
93 
            $output .= $this->wiki->addToken(
94 
                $this->rule,
95 
                array(
96 
                    'type' => 'item_end',
97 
                    'level' => $val[1]['level']
98 
                )
99 
            );
100 
        }
101 
 
102 
        $output .= $this->wiki->addToken(
103 
            $this->rule, array(
104 
                'type' => 'list_end',
105 
                'level' => 0
106 
            )
107 
        );
108 
 
109 
        return $output;
110 
    }
111 
}
112 
?>