1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\textformatter\s9e;
/**
* Text manipulation utilities
*/
class utils implements \phpbb\textformatter\utils_interface
{
/**
* Replace BBCodes and other formatting elements with whitespace
*
* NOTE: preserves smilies as text
*
* @param string $xml Parsed text
* @return string Plain text
*/
public function clean_formatting($xml)
{
// Insert a space before <s> and <e> then remove formatting
$xml = preg_replace('#<[es]>#', ' $0', $xml);
return \s9e\TextFormatter\Utils::removeFormatting($xml);
}
/**
* Format given string to be used as an attribute value
*
* Will return the string as-is if it can be used in a BBCode without quotes. Otherwise,
* it will use either single- or double- quotes depending on whichever requires less escaping.
* Quotes and backslashes are escaped with backslashes where necessary
*
* @param string $str Original string
* @return string Same string if possible, escaped string within quotes otherwise
*/
protected function format_attribute_value($str)
{
if (!preg_match('/[ "\'\\\\\\]]/', $str))
{
// Return as-is if it contains none of: space, ' " \ or ]
return $str;
}
$singleQuoted = "'" . addcslashes($str, "\\'") . "'";
$doubleQuoted = '"' . addcslashes($str, '\\"') . '"';
return (strlen($singleQuoted) < strlen($doubleQuoted)) ? $singleQuoted : $doubleQuoted;
}
/**
* {@inheritdoc}
*/
public function generate_quote($text, array $attributes = array())
{
$text = trim($text);
$quote = '[quote';
if (isset($attributes['author']))
{
// Add the author as the BBCode's default attribute
$quote .= '=' . $this->format_attribute_value($attributes['author']);
unset($attributes['author']);
}
ksort($attributes);
foreach ($attributes as $name => $value)
{
$quote .= ' ' . $name . '=' . $this->format_attribute_value($value);
}
$quote .= ']';
$newline = (strlen($quote . $text . '[/quote]') > 80 || strpos($text, "\n") !== false) ? "\n" : '';
$quote .= $newline . $text . $newline . '[/quote]';
return $quote;
}
/**
* Get a list of quote authors, limited to the outermost quotes
*
* @param string $xml Parsed text
* @return string[] List of authors
*/
public function get_outermost_quote_authors($xml)
{
$authors = array();
if (strpos($xml, '<QUOTE ') === false)
{
return $authors;
}
$dom = new \DOMDocument;
$dom->loadXML($xml);
$xpath = new \DOMXPath($dom);
foreach ($xpath->query('//QUOTE[not(ancestor::QUOTE)]/@author') as $author)
{
$authors[] = $author->textContent;
}
return $authors;
}
/**
* Remove given BBCode and its content, at given nesting depth
*
* @param string $xml Parsed text
* @param string $bbcode_name BBCode's name
* @param integer $depth Minimum nesting depth (number of parents of the same name)
* @return string Parsed text
*/
public function remove_bbcode($xml, $bbcode_name, $depth = 0)
{
return \s9e\TextFormatter\Utils::removeTag($xml, strtoupper($bbcode_name), $depth);
}
/**
* Return a parsed text to its original form
*
* @param string $xml Parsed text
* @return string Original plain text
*/
public function unparse($xml)
{
return \s9e\TextFormatter\Unparser::unparse($xml);
}
}
|
