Commit | Line | Data |
---|---|---|
6855525e JL |
1 | <?php |
2 | ||
3 | /** | |
4 | * | |
5 | * Parses for italic text. | |
6 | * | |
7 | * @category Text | |
8 | * | |
9 | * @package Text_Wiki | |
10 | * | |
11 | * @author Paul M. Jones <pmjones@php.net> | |
12 | * | |
13 | * @license LGPL | |
14 | * | |
15 | * @version $Id: Italic.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $ | |
16 | * | |
17 | */ | |
18 | ||
19 | /** | |
20 | * | |
21 | * Parses for italic text. | |
22 | * | |
23 | * This class implements a Text_Wiki_Parse to find source text marked for | |
24 | * emphasis (italics) as defined by text surrounded by two single-quotes. | |
25 | * On parsing, the text itself is left in place, but the starting and ending | |
26 | * instances of two single-quotes are replaced with tokens. | |
27 | * | |
28 | * @category Text | |
29 | * | |
30 | * @package Text_Wiki | |
31 | * | |
32 | * @author Paul M. Jones <pmjones@php.net> | |
33 | * | |
34 | */ | |
35 | ||
36 | class Text_Wiki_Parse_Italic extends Text_Wiki_Parse { | |
37 | ||
38 | ||
39 | /** | |
40 | * | |
41 | * The regular expression used to parse the source text and find | |
42 | * matches conforming to this rule. Used by the parse() method. | |
43 | * | |
44 | * @access public | |
45 | * | |
46 | * @var string | |
47 | * | |
48 | * @see parse() | |
49 | * | |
50 | */ | |
51 | ||
52 | var $regex = "/''(()|[^'].*)''/U"; | |
53 | ||
54 | ||
55 | /** | |
56 | * | |
57 | * Generates a replacement for the matched text. Token options are: | |
58 | * | |
59 | * 'type' => ['start'|'end'] The starting or ending point of the | |
60 | * emphasized text. The text itself is left in the source. | |
61 | * | |
62 | * @access public | |
63 | * | |
64 | * @param array &$matches The array of matches from parse(). | |
65 | * | |
66 | * @return string A pair of delimited tokens to be used as a | |
67 | * placeholder in the source text surrounding the text to be | |
68 | * emphasized. | |
69 | * | |
70 | */ | |
71 | ||
72 | function process(&$matches) | |
73 | { | |
74 | $start = $this->wiki->addToken( | |
75 | $this->rule, array('type' => 'start') | |
76 | ); | |
77 | ||
78 | $end = $this->wiki->addToken( | |
79 | $this->rule, array('type' => 'end') | |
80 | ); | |
81 | ||
82 | return $start . $matches[1] . $end; | |
83 | } | |
84 | } | |
85 | ?> |