|
1 <?php |
|
2 |
|
3 /** |
|
4 * |
|
5 * Parses for text marked as revised (insert/delete). |
|
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: Revise.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $ |
|
16 * |
|
17 */ |
|
18 |
|
19 /** |
|
20 * |
|
21 * Parses for text marked as revised (insert/delete). |
|
22 * |
|
23 * @category Text |
|
24 * |
|
25 * @package Text_Wiki |
|
26 * |
|
27 * @author Paul M. Jones <pmjones@php.net> |
|
28 * |
|
29 */ |
|
30 |
|
31 class Text_Wiki_Parse_Revise extends Text_Wiki_Parse { |
|
32 |
|
33 |
|
34 /** |
|
35 * |
|
36 * The regular expression used to parse the source text and find |
|
37 * matches conforming to this rule. Used by the parse() method. |
|
38 * |
|
39 * @access public |
|
40 * |
|
41 * @var string |
|
42 * |
|
43 * @see parse() |
|
44 * |
|
45 */ |
|
46 |
|
47 var $regex = "/\@\@({*?.*}*?)\@\@/U"; |
|
48 |
|
49 |
|
50 /** |
|
51 * |
|
52 * Config options. |
|
53 * |
|
54 * @access public |
|
55 * |
|
56 * @var array |
|
57 * |
|
58 */ |
|
59 |
|
60 var $conf = array( |
|
61 'delmark' => '---', |
|
62 'insmark' => '+++' |
|
63 ); |
|
64 |
|
65 |
|
66 /** |
|
67 * |
|
68 * Generates a replacement for the matched text. Token options are: |
|
69 * |
|
70 * 'type' => ['start'|'end'] The starting or ending point of the |
|
71 * inserted text. The text itself is left in the source. |
|
72 * |
|
73 * @access public |
|
74 * |
|
75 * @param array &$matches The array of matches from parse(). |
|
76 * |
|
77 * @return string A pair of delimited tokens to be used as a |
|
78 * placeholder in the source text surrounding the teletype text. |
|
79 * |
|
80 */ |
|
81 |
|
82 function process(&$matches) |
|
83 { |
|
84 $output = ''; |
|
85 $src = $matches[1]; |
|
86 $delmark = $this->getConf('delmark'); // --- |
|
87 $insmark = $this->getConf('insmark'); // +++ |
|
88 |
|
89 // '---' must be before '+++' (if they both appear) |
|
90 $del = strpos($src, $delmark); |
|
91 $ins = strpos($src, $insmark); |
|
92 |
|
93 // if neither is found, return right away |
|
94 if ($del === false && $ins === false) { |
|
95 return $matches[0]; |
|
96 } |
|
97 |
|
98 // handle text to be deleted |
|
99 if ($del !== false) { |
|
100 |
|
101 // move forward to the end of the deletion mark |
|
102 $del += strlen($delmark); |
|
103 |
|
104 if ($ins === false) { |
|
105 // there is no insertion text following |
|
106 $text = substr($src, $del); |
|
107 } else { |
|
108 // there is insertion text following, |
|
109 // mitigate the length |
|
110 $text = substr($src, $del, $ins - $del); |
|
111 } |
|
112 |
|
113 $output .= $this->wiki->addToken( |
|
114 $this->rule, array('type' => 'del_start') |
|
115 ); |
|
116 |
|
117 $output .= $text; |
|
118 |
|
119 $output .= $this->wiki->addToken( |
|
120 $this->rule, array('type' => 'del_end') |
|
121 ); |
|
122 } |
|
123 |
|
124 // handle text to be inserted |
|
125 if ($ins !== false) { |
|
126 |
|
127 // move forward to the end of the insert mark |
|
128 $ins += strlen($insmark); |
|
129 $text = substr($src, $ins); |
|
130 |
|
131 $output .= $this->wiki->addToken( |
|
132 $this->rule, array('type' => 'ins_start') |
|
133 ); |
|
134 |
|
135 $output .= $text; |
|
136 |
|
137 $output .= $this->wiki->addToken( |
|
138 $this->rule, array('type' => 'ins_end') |
|
139 ); |
|
140 } |
|
141 |
|
142 return $output; |
|
143 } |
|
144 } |
|
145 ?> |