= "a") and ($char <= "z"))
$cleaned .= $char;
if (!(strpos(" #;:0123456789", $char) === false))
$cleaned .= $char;
}
return($cleaned);
}
function stripcode_br_cb($s) {
return '[code]' . str_replace('
', '', $s[1]) . '[/code]';
}
function tryoembed($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 $unspacefied; } function bb_find_open_close($s, $open, $close, $occurance = 1) { if($occurance < 1) $occurance = 1; $start_pos = -1; for($i = 1; $i <= $occurance; $i++) { if( $start_pos !== false) $start_pos = strpos($s, $open, $start_pos + 1); } if( $start_pos === false) return false; $end_pos = strpos($s, $close, $start_pos); if( $end_pos === false) return false; $res = array( 'start' => $start_pos, 'end' => $end_pos ); return $res; } function get_bb_tag_pos($s, $name, $occurance = 1) { if($occurance < 1) $occurance = 1; $start_open = -1; for($i = 1; $i <= $occurance; $i++) { if( $start_open !== false) $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags } if( $start_open === false) return false; $start_equal = strpos($s, '=', $start_open); $start_close = strpos($s, ']', $start_open); if( $start_close === false) return false; $start_close++; $end_open = strpos($s, '[/' . $name . ']', $start_close); if( $end_open === false) return false; $res = array( 'start' => array('open' => $start_open, 'close' => $start_close), 'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) ); if( $start_equal !== false) $res['start']['equal'] = $start_equal + 1; return $res; } function bb_tag_preg_replace($pattern, $replace, $name, $s) { $string = $s; $occurance = 1; $pos = get_bb_tag_pos($string, $name, $occurance); while($pos !== false && $occurance < 1000) { $start = substr($string, 0, $pos['start']['open']); $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']); $end = substr($string, $pos['end']['close']); if($end === false) $end = ''; $subject = preg_replace($pattern, $replace, $subject); $string = $start . $subject . $end; $occurance++; $pos = get_bb_tag_pos($string, $name, $occurance); } return $string; } if(! function_exists('bb_extract_images')) { function bb_extract_images($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' . $cnt . '#$]', '', $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); // Move all spaces out of the tags $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text); $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $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("[*]", "
$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", "
$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", "
$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", '', $Text); $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'