', '', $s[1]) . '[/code]'; } function tryoembed($match){ $url = ((count($match)==2)?$match[1]:$match[2]); // logger("tryoembed: $url"); $o = oembed_fetch_url($url); //echo "
"; var_dump($match, $url, $o); killme();

	if ($o->type=="error") return $match[0];

	$html = oembed_format_object($o);
	return $html; //oembed_iframe($html,$o->width,$o->height);

}

// [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;
}

if(! function_exists('bb_extract_images')) {
function bb_extract_images($body) {

	$saved_image = array();
	$orig_body = $body;
	$new_body = '';

	$cnt = 0;
	$img_start = strpos($orig_body, '[img');
	$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
	$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
	while(($img_st_close !== false) && ($img_end !== false)) {

		$img_st_close++; // make it point to AFTER the closing bracket
		$img_end += $img_start;

		if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
			// This is an embedded image

			$saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
			$new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';

			$cnt++;
		}
		else
			$new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));

		$orig_body = substr($orig_body, $img_end + strlen('[/img]'));

		if($orig_body === false) // in case the body ends on a closing image tag
			$orig_body = '';

		$img_start = strpos($orig_body, '[img');
		$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
		$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
	}

	$new_body = $new_body . $orig_body;

	return array('body' => $new_body, 'images' => $saved_image);
}}

if(! function_exists('bb_replace_images')) {
function bb_replace_images($body, $images) {

	$newbody = $body;

	$cnt = 0;
	foreach($images as $image) {
		// We're depending on the property of 'foreach' (specified on the PHP website) that
		// it loops over the array starting from the first element and going sequentially
		// to the last element
		$newbody = str_replace('[$#saved_image' . $cnt . '#$]', '' . t('Image/photo') . '', $newbody);
		$cnt++;
	}

	return $newbody;
}}



	// BBcode 2 HTML was written by WAY2WEB.net
	// extended to work with Mistpark/Friendica - Mike Macgirvin

function bbcode($Text,$preserve_nl = false, $tryoembed = true) {

	$a = get_app();

	// Hide all [noparse] contained bbtags by spacefying them
	// POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?

	$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 the private images which use data url's since preg has issues with
	// large data sizes. Stash them away while we do bbcode conversion, and then put them back
	// in after we've done all the regex matching. We cannot use any preg functions to do this.

	$extracted = bb_extract_images($Text);
	$Text = $extracted['body'];
	$saved_image = $extracted['images'];

	// If we find any event code, turn it into an event.
	// After we're finished processing the bbcode we'll
	// replace all of the event code with a reformatted version.

	$ev = bbtoevent($Text);


	// 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 
tags // nlbr seems to be hopelessly messed up // $Text = nl2br($Text); // We'll emulate it. $Text = str_replace("\r\n","\n", $Text); $Text = str_replace(array("\r","\n"), array('
','
'), $Text); if($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\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1$2', $Text); if ($tryoembed) $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text); $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text); if ($tryoembed) $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text); $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '$1', $Text); $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$2', $Text); //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '$2', $Text); // we may need to restrict this further if it picks up too many strays // link acct:user@host to a webfinger profile redirector $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', 'acct:' . "$1@$2$3" . '',$Text); // Perform MAIL Search $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '$1', $Text); $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '$2', $Text); // Check for bold text $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'$1',$Text); // Check for Italics text $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'$1',$Text); // Check for Underline text $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'$1',$Text); // Check for strike-through text $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'$1',$Text); // Check for over-line text $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'$1',$Text); // Check for colored text $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","$2",$Text); // Check for sized text // [size=50] --> font-size: 50px (with the unit). $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","$2",$Text); $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","$2",$Text); // Check for centered text $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","
$1
",$Text); // Check for list text $Text = str_replace("[*]", "
  • ", $Text); // handle nested lists $endlessloop = 0; while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) || ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) || ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) { $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'' ,$Text); $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '' ,$Text); $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '' ,$Text); $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '' ,$Text); $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '
  • $1
  • ' ,$Text); } $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '$1' ,$Text); $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '$1' ,$Text); $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '$1' ,$Text); $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '$1
    ' ,$Text); $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '$1
    ' ,$Text); $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '$1
    ' ,$Text); $Text = str_replace('[hr]','
    ', $Text); // This is actually executed in prepare_body() $Text = str_replace('[nosmile]','',$Text); // Check for font change text $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","$2",$Text); // Declare the format for [code] layout // $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text); $CodeLayout = '$1'; // Check for [code] text $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text); // Declare the format for [spoiler] layout $SpoilerLayout = '
    $1
    '; // Check for [spoiler] text // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text); // Check for [spoiler=Author] text $t_wrote = t('$1 wrote:'); // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism", "
    " . $t_wrote . "
    $2
    ", $Text); // Declare the format for [quote] layout $QuoteLayout = '
    $1
    '; // Check for [quote] text // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text); // Check for [quote=Author] text $t_wrote = t('$1 wrote:'); // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/quote]")!== false) and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism", "
    " . $t_wrote . "
    $2
    ", $Text); // [img=widthxheight]image source[/img] //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '', $Text); $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '', $Text); // Images // [img]pathtoimage[/img] $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '' . t('Image/photo') . '', $Text); $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '', $Text); $Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '', $Text); // Try to Oembed if ($tryoembed) { $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text); $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text); } // html5 video and audio $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '', $Text); // Youtube extensions if ($tryoembed) { $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text); $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text); $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text); } $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '', $Text); if ($tryoembed) { $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); } $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '', $Text); // $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '', $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. // Replace the event-start section with the entire formatted event. The other bbcode is stripped. // Summary (e.g. title) is required, earlier revisions only required description (in addition to // start which is always required). Allow desc with a missing summary for compatibility. if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) { $sub = format_event_html($ev); $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text); $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text); $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text); $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text); $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text); $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); $Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/','&$1;',$Text); // fix any escaped ampersands that may have been converted into links $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text); if($saved_image) $Text = bb_replace_images($Text, $saved_image); call_hooks('bbcode',$Text); return $Text; }