author | Markus Bröker <broeker.markus@googlemail.com> |
Sat, 14 Nov 2015 02:40:44 +0100 | |
changeset 24 | ef2914b7af78 |
parent 0 | 4869aea77e21 |
permissions | -rw-r--r-- |
0
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
1 |
<?php |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
2 |
/** |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
3 |
* Smarty plugin |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
4 |
* |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
5 |
* @package Smarty |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
6 |
* @subpackage PluginsFilter |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
7 |
*/ |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
8 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
9 |
/** |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
10 |
* Smarty trimwhitespace outputfilter plugin |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
11 |
* Trim unnecessary whitespace from HTML markup. |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
12 |
* |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
13 |
* @author Rodney Rehm |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
14 |
* |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
15 |
* @param string $source input string |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
16 |
* |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
17 |
* @return string filtered output |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
18 |
* @todo substr_replace() is not overloaded by mbstring.func_overload - so this function might fail! |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
19 |
*/ |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
20 |
function smarty_outputfilter_trimwhitespace($source) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
21 |
$store = array(); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
22 |
$_store = 0; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
23 |
$_offset = 0; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
24 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
25 |
// Unify Line-Breaks to \n |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
26 |
$source = preg_replace("/\015\012|\015|\012/", "\n", $source); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
27 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
28 |
// capture Internet Explorer Conditional Comments |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
29 |
if (preg_match_all('#<!--\[[^\]]+\]>.*?<!\[[^\]]+\]-->#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
30 |
foreach ($matches as $match) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
31 |
$store[] = $match[0][0]; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
32 |
$_length = strlen($match[0][0]); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
33 |
$replace = '@!@SMARTY:' . $_store . ':SMARTY@!@'; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
34 |
$source = substr_replace($source, $replace, $match[0][1] - $_offset, $_length); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
35 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
36 |
$_offset += $_length - strlen($replace); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
37 |
$_store++; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
38 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
39 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
40 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
41 |
// Strip all HTML-Comments |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
42 |
// yes, even the ones in <script> - see http://stackoverflow.com/a/808850/515124 |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
43 |
$source = preg_replace('#<!--.*?-->#ms', '', $source); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
44 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
45 |
// capture html elements not to be messed with |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
46 |
$_offset = 0; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
47 |
if (preg_match_all('#(<script[^>]*>.*?</script[^>]*>)|(<textarea[^>]*>.*?</textarea[^>]*>)|(<pre[^>]*>.*?</pre[^>]*>)#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
48 |
foreach ($matches as $match) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
49 |
$store[] = $match[0][0]; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
50 |
$_length = strlen($match[0][0]); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
51 |
$replace = '@!@SMARTY:' . $_store . ':SMARTY@!@'; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
52 |
$source = substr_replace($source, $replace, $match[0][1] - $_offset, $_length); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
53 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
54 |
$_offset += $_length - strlen($replace); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
55 |
$_store++; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
56 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
57 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
58 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
59 |
$expressions = array( |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
60 |
// replace multiple spaces between tags by a single space |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
61 |
// can't remove them entirely, becaue that might break poorly implemented CSS display:inline-block elements |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
62 |
'#(:SMARTY@!@|>)\s+(?=@!@SMARTY:|<)#s' => '\1 \2', |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
63 |
// remove spaces between attributes (but not in attribute values!) |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
64 |
'#(([a-z0-9]\s*=\s*("[^"]*?")|(\'[^\']*?\'))|<[a-z0-9_]+)\s+([a-z/>])#is' => '\1 \5', |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
65 |
// note: for some very weird reason trim() seems to remove spaces inside attributes. |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
66 |
// maybe a \0 byte or something is interfering? |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
67 |
'#^\s+<#Ss' => '<', |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
68 |
'#>\s+$#Ss' => '>', |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
69 |
); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
70 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
71 |
$source = preg_replace(array_keys($expressions), array_values($expressions), $source); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
72 |
// note: for some very weird reason trim() seems to remove spaces inside attributes. |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
73 |
// maybe a \0 byte or something is interfering? |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
74 |
// $source = trim( $source ); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
75 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
76 |
$_offset = 0; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
77 |
if (preg_match_all('#@!@SMARTY:([0-9]+):SMARTY@!@#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
78 |
foreach ($matches as $match) { |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
79 |
$_length = strlen($match[0][0]); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
80 |
$replace = $store[$match[1][0]]; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
81 |
$source = substr_replace($source, $replace, $match[0][1] + $_offset, $_length); |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
82 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
83 |
$_offset += strlen($replace) - $_length; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
84 |
$_store++; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
85 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
86 |
} |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
87 |
|
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
88 |
return $source; |
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff
changeset
|
89 |
} |