X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fbbcode.php;h=cff26f5c8ebf2864744db9fbc2c4f6866668f588;hb=b4361e37e062221c1dd2ae660cf7dc9be725ecc4;hp=40f4935fba21aecba992fa4d6c7277a2ea75dd1a;hpb=ae3c9b7b2b6f6b8bf7a5d5e72bd66f1bff3b081d;p=friendica.git

diff --git a/include/bbcode.php b/include/bbcode.php
index 40f4935fba..cff26f5c8e 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -3,11 +3,86 @@
 require_once("include/oembed.php");
 require_once('include/event.php');
 
+
+
+function stripcode_br_cb($s) {
+	return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
+}
+
+function tryoembed($match){
+	$url = ((count($match)==2)?$match[1]:$match[2]);
+//	logger("tryoembed: $url");
+
+	$o = oembed_fetch_url($url);
+
+	//echo "<pre>"; 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;
+}
+
 	// BBcode 2 HTML was written by WAY2WEB.net
-	// extended to work with Mistpark/Friendika - Mike Macgirvin
+	// 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
+	// in after we've done all the regex matching. We cannot use any preg functions to do this.
+
+	$saved_image = '';
+	$img_start = strpos($Text,'[img]data:');
+	$img_end = strpos($Text,'[/img]');
+
+	if($img_start !== false && $img_end !== false && $img_end > $img_start) {
+		$start_fragment = substr($Text,0,$img_start);
+		$img_start += strlen('[img]');
+		$saved_image = substr($Text,$img_start,$img_end - $img_start);
+		$end_fragment = substr($Text,$img_end + strlen('[/img]'));
+//		logger('saved_image: ' . $saved_image,LOGGER_DEBUG);
+		$Text = $start_fragment . '[$#saved_image#$]' . $end_fragment;
+	}
+
+	// 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
 
@@ -20,100 +95,163 @@ function bbcode($Text,$preserve_nl = false) {
 	if($preserve_nl)
 		$Text = str_replace(array("\n","\r"), array('',''),$Text);
 
-	// 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);
 
 	// 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<a href="$2" target="external-link">$2</a>', $Text);
 
-	$Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+\,]+)/", ' <a href="$2" target="external-link">$2</a>', $Text);
+	$Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
+	$Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$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);
+	$Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
+	$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
+	$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
+	//$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<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">$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);
+	$Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 
 	// Check for Italics text
-	$Text = preg_replace("(\[i\](.*?)\[\/i\])is",'<em>$1</em>',$Text);
+	$Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 
 	// Check for Underline text
-	$Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
+	$Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 
 	// Check for strike-through text
-	$Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
+	$Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 
 	// Check for over-line text
-	$Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
+	$Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 
 	// Check for colored text
-	$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
+	$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<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);
+        // [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
-	$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);
+	$Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
+
+ 	// handle nested lists
+	$endlessloop = 0;
+	while ((strpos($Text, "[/list]") !== false) and (strpos($Text, "[list") !== false) and (++$endlessloop < 20)) {
+		$Text = preg_replace("/\[list\](.*?)\[\/list\]/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("/\[list=((?-i)i)\](.*?)\[\/list\]/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("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
+	$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$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);
+
+	$Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
+	$Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
+
+	$Text = str_replace('[hr]','<hr />', $Text);
+
+	// This is actually executed in prepare_body()
+
+	$Text = str_replace('[nosmile]','',$Text);
 
 	// Check for font change text
-	$Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
+	$Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 
 	// Declare the format for [code] layout
+
+	$Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
+
 	$CodeLayout = '<code>$1</code>';
 	// Check for [code] text
-	$Text = preg_replace("/\[code\](.*?)\[\/code\]/is","$CodeLayout", $Text);
+	$Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
+
 	// Declare the format for [quote] layout
-	$QuoteLayout = '<blockquote>$1</blockquote>';                     
+	$QuoteLayout = '<blockquote>$1</blockquote>';
 	// Check for [quote] text
-	$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is","$QuoteLayout", $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",
+        	                     "<blockquote><strong>" . $t_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);
+
 	// Images
 	// [img]pathtoimage[/img]
-	$Text = preg_replace("/\[img\](.*?)\[\/img\]/", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
+	$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
+
+
+
+	// Try to Oembed
+	$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("/\[video\](.*?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
+	$Text = preg_replace("/\[video\](.*?)\[\/video\]/ism", '<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("/\[audio\](.*?)\[\/audio\]/ism", '<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);
+	$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<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);
 
+	// Youtube extensions
+	$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", '<iframe width="425" height="350" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+
+
+	$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", '<iframe width="425" height="350" src="http://player.vimeo.com/video/$1" frameborder="0" ></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
@@ -124,16 +262,27 @@ function bbcode($Text,$preserve_nl = false) {
 	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);
+		$Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",$sub,$Text);
+		$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",'',$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);
+
+	// 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))
+		$Text = str_replace('[$#saved_image#$]','<img src="' . $saved_image .'" alt="' . t('Image/photo') . '" />',$Text);
 
-	
 	call_hooks('bbcode',$Text);
 
 	return $Text;
 }
+