convert bbcode to markdown for diaspora (first try, will need tweaking)

1 files changed, 154 insertions, 0 deletions

diff --git a/include/bb2diaspora.php b/include/bb2diaspora.php
new file mode 100644
index 000000000..a4e7997fa
--- /dev/null
+++ b/include/bb2diaspora.php
@@ -0,0 +1,154 @@
+<?php
+
+require_once("include/oembed.php");
+require_once('include/event.php');
+
+
+
+function stripdcode_br_cb($s) {
+	return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
+}
+
+
+	// BBcode 2 HTML was written by WAY2WEB.net
+	// extended to work with Mistpark/Friendika - Mike Macgirvin
+
+function bb2diaspora($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("<", "&lt;", $Text);
+	$Text = str_replace(">", "&gt;", $Text);
+
+
+	if($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("/\[url\]([$URLSearchString]*)\[\/url\]/", '[$1]($1)', $Text);
+	$Text = preg_replace("(\[url\=([$URLSearchString]*)\](.*?)\[/url\])", '[$2]($1)', $Text);
+	//$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '[$2]($1)', $Text);
+
+
+	// Perform MAIL Search
+	$Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text);
+	$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text);
+         
+	// Check for bold text
+	$Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text);
+
+	// Check for Italics text
+	$Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$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 = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text);
+
+//	$Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '<td>$1</td>' ,$Text);
+//	$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '<tr>$1</tr>' ,$Text);
+//	$Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '<table>$1</table>' ,$Text);
+
+//	$Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/s", '<table border="1" >$1</table>' ,$Text);
+//	$Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$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
+
+	$Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text);
+
+//	$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);
+
+//	$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $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);
+
+	// If we found an event earlier, strip out all the event code and replace with a reformatted version.
+
+//	if(x($ev,'desc') && x($ev,'start')) {
+//		$sub = format_event_html($ev);
+
+	//	$Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
+		//$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
+//		$Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
+//		$Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text);
+//		$Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text);
+//	}
+
+
+	
+	call_hooks('bb2diaspora',$Text);
+
+	return $Text;
+}