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Merge pull request #33 from friendica/bbcode

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Improving BBCode support
This commit is contained in:
friendica 2012-02-12 19:57:49 -08:00
commit fd0bd8433a
1 changed files with 61 additions and 12 deletions
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73
include/bbcode.php
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@ -24,13 +24,40 @@ function tryoembed($match){
}
// [noparse][i]italic[/i][/noparse] turns into
// [noparse][ i ]italic[ /i ][/noparse],
// to hide them from parser.
function bb_spacefy($st) {
$whole_match = $st[0];
$captured = $st[1];
$spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
$new_str = str_replace($captured, $spacefied, $whole_match);
return $new_str;
}
// The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
// now turns back and the [noparse] tags are trimed
// returning [i]italic[/i]
function bb_unspacefy_and_trim($st) {
$whole_match = $st[0];
$captured = $st[1];
$unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
return $unspacefied;
}
// BBcode 2 HTML was written by WAY2WEB.net
// extended to work with Mistpark/Friendica - Mike Macgirvin
function bbcode($Text,$preserve_nl = false) {
// Hide all [noparse] contained bbtags spacefying them
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
// Extract a single private image which uses data url's since preg has issues with
// large data sizes. Stash it away while we do bbcode conversion, and then put it back
@ -111,25 +138,34 @@ function bbcode($Text,$preserve_nl = false) {
$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
// Check for sized text
// [size=50] --> font-size: 50px (with the unit).
$Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
// Check for centered text
$Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
// Check for list text
if(stristr($Text,'[/list]'))
$Text = str_replace("[*]", "<li>", $Text);
if(stristr($Text,'[/list]'))
$Text = str_replace("[*]", "<li>", $Text);
$Text = str_replace("[*]", "<li>", $Text);
$Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
$Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
$Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>'
,$Text);
$Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=i\](.*?)\[\/list\]/sm",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=I\](.*?)\[\/list\]/sm", '<ul class="listupperroman" style="list-style-type: upper-roman;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=a\](.*?)\[\/list\]/sm", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=A\](.*?)\[\/list\]/sm", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$1</ul>' ,$Text);
$Text = preg_replace("/\[li\](.*?)\[\/li\]/sm", '<li>$1</li>' ,$Text);
$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>'
,$Text);
$Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type:
lower-roman;">$2</ul>' ,$Text);
$Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type:
upper-roman;">$2</ul>' ,$Text);
$Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type:
lower-alpha;">$2</ul>' ,$Text);
$Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type:
upper-alpha;">$2</ul>' ,$Text);
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
$Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
$Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
@ -157,7 +193,13 @@ function bbcode($Text,$preserve_nl = false) {
$QuoteLayout = '<blockquote>$1</blockquote>';
// Check for [quote] text
$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
// Check for [quote=Author] text
$t_wrote = t("wrote");
$Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
"<blockquote><strong>$1 wrote:</strong> $2</blockquote>",
$Text);
// [img=widthxheight]image source[/img]
$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
@ -219,6 +261,13 @@ function bbcode($Text,$preserve_nl = false) {
$Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
}
// Unhide all [noparse] contained bbtags unspacefying them
// and triming the [noparse] tag.
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
// fix any escaped ampersands that may have been converted into links
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
if(strlen($saved_image))