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web: handle BBcode [pre] correctly

This commit is contained in:
David Anderson 2014-08-10 10:26:10 -07:00
parent 31541e166d
commit 0189132695
1 changed files with 24 additions and 4 deletions
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28
html/inc/text_transform.inc
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@ -104,12 +104,33 @@ function get_output_options($user) {
// Converts bbcode to proper HTML
// If $export is true, don't use BOINC CSS
// handle [pre] separately because we need to remove <br />s
//
function replace_pre($text, $export) {
if ($export) {
return preg_replace_callback(
"@\[pre\](.*?)\[/pre\]@is",
function ($matches) {
return "<pre>".remove_br(substr($matches[0], 5, -6))."</pre>";
},
$text
);
} else {
return preg_replace_callback(
"@\[pre\](.*?)\[/pre\]@is",
function ($matches) {
return "<div class=\"pre\">".remove_br(substr($matches[0], 5, -6))."</div>";
},
$text
);
}
}
function bb2html($text, $export=false) {
$urlregex = "(?:\"?)(?:(http\:\/\/)?)([^\[\"<\ ]+)(?:\"?)";
$httpsregex = "(?:\"?)https\:\/\/([^\[\"<\ ]+)(?:\"?)";
// List of allowable tags
$bbtags = array (
"@\[pre\](.*?)\[/pre\]@is",
"@\[code\](.*?)\[/code\]@is",
"@\[b\](.*?)\[/b\]@is",
"@\[i\](.*?)\[/i\]@is",
@ -143,7 +164,6 @@ function bb2html($text, $export=false) {
// What the above tags are turned in to
if ($export) {
$htmltags = array (
"<pre>\\1</pre>",
"<code>\\1</code>",
"<b>\\1</b>",
"<i>\\1</i>",
@ -172,7 +192,6 @@ function bb2html($text, $export=false) {
);
} else {
$htmltags = array (
"<div class=\"pre\">\\1</div>",
"<div class=\"code\">\\1</div>",
"<b>\\1</b>",
"<i>\\1</i>",
@ -207,7 +226,8 @@ function bb2html($text, $export=false) {
// $i<1000 to prevent DoS
while ($text != $lasttext && $i<1000) {
$lasttext = $text;
$text = preg_replace($bbtags,$htmltags,$text);
$text = replace_pre($text, $export);
$text = preg_replace($bbtags, $htmltags, $text);
$i = $i + 1;
}
return $text;