1
+ − 1
<?php
+ − 2
+ − 3
/**
+ − 4
*
+ − 5
* Parses for heading text.
+ − 6
*
+ − 7
* @category Text
+ − 8
*
+ − 9
* @package Text_Wiki
+ − 10
*
+ − 11
* @author Paul M. Jones <pmjones@php.net>
+ − 12
*
+ − 13
* @author Moritz Venn <moritz.venn@freaque.net>
+ − 14
*
+ − 15
* @license LGPL
+ − 16
*
+ − 17
* @version $Id: Heading.php,v 1.3 2006/02/03 19:47:02 toggg Exp $
+ − 18
*
+ − 19
*/
+ − 20
+ − 21
/**
+ − 22
*
+ − 23
* Parses for heading text.
+ − 24
*
+ − 25
* This class implements a Text_Wiki_Parse to find source text marked to
+ − 26
* be a heading element, as defined by text on a line by itself prefixed
+ − 27
* with a number of plus signs (+). The heading text itself is left in
+ − 28
* the source, but is prefixed and suffixed with delimited tokens marking
+ − 29
* the start and end of the heading.
+ − 30
*
+ − 31
* @category Text
+ − 32
*
+ − 33
* @package Text_Wiki
+ − 34
*
+ − 35
* @author Moritz Venn <moritz.venn@freaque.net>
+ − 36
*
+ − 37
*/
+ − 38
+ − 39
class Text_Wiki_Parse_Heading extends Text_Wiki_Parse {
+ − 40
+ − 41
+ − 42
/**
+ − 43
*
+ − 44
* The regular expression used to parse the source text and find
+ − 45
* matches conforming to this rule. Used by the parse() method.
+ − 46
*
+ − 47
* @access public
+ − 48
*
+ − 49
* @var string
+ − 50
*
+ − 51
* @see parse()
+ − 52
*
+ − 53
*/
+ − 54
+ − 55
var $regex = '/^(={2,6})(.*?)\1(?:\s|$)/m';
+ − 56
+ − 57
var $conf = array(
+ − 58
'id_prefix' => 'toc'
+ − 59
);
+ − 60
+ − 61
/**
+ − 62
*
+ − 63
* Generates a replacement for the matched text. Token options are:
+ − 64
*
+ − 65
* 'type' => ['start'|'end'] The starting or ending point of the
+ − 66
* heading text. The text itself is left in the source.
+ − 67
*
+ − 68
* @access public
+ − 69
*
+ − 70
* @param array &$matches The array of matches from parse().
+ − 71
*
+ − 72
* @return string A pair of delimited tokens to be used as a
+ − 73
* placeholder in the source text surrounding the heading text.
+ − 74
*
+ − 75
*/
+ − 76
+ − 77
function process(&$matches)
+ − 78
{
+ − 79
// keep a running count for header IDs. we use this later
+ − 80
// when constructing TOC entries, etc.
+ − 81
static $id;
+ − 82
if (! isset($id)) {
+ − 83
$id = 0;
+ − 84
}
+ − 85
+ − 86
$prefix = htmlspecialchars($this->getConf('id_prefix'));
+ − 87
+ − 88
$start = $this->wiki->addToken(
+ − 89
$this->rule,
+ − 90
array(
+ − 91
'type' => 'start',
+ − 92
'level' => strlen($matches[1]),
+ − 93
'text' => trim($matches[2]),
+ − 94
'id' => $prefix . $id ++
+ − 95
)
+ − 96
);
+ − 97
+ − 98
$end = $this->wiki->addToken(
+ − 99
$this->rule,
+ − 100
array(
+ − 101
'type' => 'end',
+ − 102
'level' => strlen($matches[1])
+ − 103
)
+ − 104
);
+ − 105
+ − 106
return $start . trim($matches[2]) . $end . "\n";
+ − 107
}
+ − 108
}
+ − 109
?>