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<?php
require_once("include/oembed.php");
// BBcode 2 HTML was written by WAY2WEB.net
// extended to work with Mistpark/Friendika - Mike Macgirvin
function bbcode($Text,$preserve_nl = false) {
// Replace any html brackets with HTML Entities to prevent executing HTML or script
// Don't use strip_tags here because it breaks [url] search by replacing & with amp
$Text = str_replace("<", "<", $Text);
$Text = str_replace(">", ">", $Text);
// Convert new line chars to html <br /> tags
$Text = nl2br($Text);
if($preserve_nl)
$Text = str_replace(array("\n","\r"), array('',''),$Text);
// Set up the parameters for a URL search string
$URLSearchString = "^\[\]";
// Set up the parameters for a MAIL search string
$MAILSearchString = $URLSearchString;
// Perform URL Search
$Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+\,]+)/", ' <a href="$2" target="external-link">$2</a>', $Text);
$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/", '<a href="$1" target="external-link">$1</a>', $Text);
$Text = preg_replace("(\[url\=([$URLSearchString]*)\](.*?)\[/url\])", '<a href="$1" target="external-link">$2</a>', $Text);
//$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);
// Perform MAIL Search
$Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '<a href="mailto:$1">$1</a>', $Text);
$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
// Check for bold text
$Text = preg_replace("(\[b\](.*?)\[\/b])is",'<strong>$1</strong>',$Text);
// Check for Italics text
$Text = preg_replace("(\[i\](.*?)\[\/i\])is",'<em>$1</em>',$Text);
// Check for Underline text
$Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
// Check for strike-through text
$Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
// Check for over-line text
$Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
// Check for colored text
$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
// Check for sized text
$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
// Check for list text
$Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
$Text = str_replace("[*]", "<li>", $Text);
// Check for font change text
$Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
// Declare the format for [code] layout
$CodeLayout = '<code>$1</code>';
// Check for [code] text
$Text = preg_replace("/\[code\](.*?)\[\/code\]/is","$CodeLayout", $Text);
// Declare the format for [quote] layout
$QuoteLayout = '<blockquote>$1</blockquote>';
// Check for [quote] text
$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is","$QuoteLayout", $Text);
// Images
// [img]pathtoimage[/img]
$Text = preg_replace("/\[img\](.*?)\[\/img\]/", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
// html5 video and audio
$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
// [img=widthxheight]image source[/img]
$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
// use oembed for youtube links
$Text = preg_replace("/\[youtube\]/",'[embed]',$Text);
$Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text);
} else {
// Youtube extensions
$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
$Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<iframe width="425" height="349" src="http://www.youtube.com/embed/$1" frameborder="0" allowfullscreen></iframe>', $Text);
}
// $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
// oembed tag
$Text = oembed_bbcode2html($Text);
call_hooks('bbcode',$Text);
return $Text;
}
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