]> git.mxchange.org Git - friendica.git/blobdiff - include/bb2diaspora.php
Merge pull request #135 from simonlnu/master
[friendica.git] / include / bb2diaspora.php
old mode 100644 (file)
new mode 100755 (executable)
index b03ead4..8487f84
@@ -6,57 +6,66 @@ require_once('include/event.php');
 require_once('library/markdown.php');
 require_once('include/html2bbcode.php');
 
+// we don't want to support a bbcode specific markdown interpreter
+// and the markdown library we have is pretty good, but provides HTML output.
+// So we'll use that to convert to HTML, then convert the HTML back to bbcode,
+// and then clean up a few Diaspora specific constructs.
+
 function diaspora2bb($s) {
 
+       // for testing purposes: Collect raw markdown articles
+       // $file = tempnam("/tmp/friendica/", "markdown");
+       // file_put_contents($file, $s);
+
+       $s = html_entity_decode($s,ENT_COMPAT,'UTF-8');
+
+       // Too many new lines. So deactivated the following line
+       // $s = str_replace("\r","\n",$s);
+       // Simply remove cr.
+       $s = str_replace("\r","",$s);
+
+       // <br/> is invalid. Replace it with the valid expression
+       $s = str_replace("<br/>","<br />",$s);
+
        $s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
+
+       // Escaping the hash tags - doesn't always seem to work
+       // $s = preg_replace('/\#([^\s\#])/','\\#$1',$s);
+       // This seems to work
+       $s = preg_replace('/\#([^\s\#])/','&#35;$1',$s);
+
        $s = Markdown($s);
+
+       $s = str_replace('&#35;','#',$s);
+
+       $s = str_replace("\n",'<br />',$s);
+
        $s = html2bbcode($s);
-       $s = str_replace('&#42;','*',$s);
-    $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s); 
-    $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s); 
-       $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s); 
-       $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s); 
-       $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2$3$4[/url]',$s);
-       $s = scale_diaspora_images($s);
-       return $s;
-}
+//     $s = str_replace('&#42;','*',$s);
 
+       // Convert everything that looks like a link to a link
+       $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s);
+
+       //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
+       $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s);
+       $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s);
+       $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s);
+       $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s);
+       // remove duplicate adjacent code tags
+       $s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
+
+       // Don't show link to full picture (until it is fixed)
+       $s = scale_external_images($s, false);
 
-function scale_diaspora_images($s,$include_link = true) {
-
-       $matches = null;
-       $c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
-       if($c) {
-               require_once('include/Photo.php');
-               foreach($matches as $mtch) {
-                       logger('scale_diaspora_image: ' . $mtch[1]);
-                       $i = fetch_url($mtch[1]);
-                       if($i) {
-                               $ph = new Photo($i);
-                               if($ph->is_valid()) {
-                                       if($ph->getWidth() > 600 || $ph->getHeight() > 600) {
-                                               $ph->scaleImage(600);
-                                               $new_width = $ph->getWidth();
-                                               $new_height = $ph->getHeight();
-                                               $s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
-                                                       . "\n" . ((! $include_link) 
-                                                               ? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
-                                                               : ''),$s);
-                                       }
-                               }
-                       }
-               }
-       }
        return $s;
 }
 
+
 function stripdcode_br_cb($s) {
        return '[code]' . str_replace('<br />', "\n\t", $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) {
 
@@ -85,13 +94,23 @@ function bb2diaspora($Text,$preserve_nl = false) {
 
        // [img]pathtoimage[/img]
 
+       // the following was added on 10-January-2012 due to an inability of Diaspora's
+       // new javascript markdown processor to handle links with images as the link "text"
+       // It is not optimal and may be removed if this ability is restored in the future
+
+       $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism", 
+               '![' . t('image/photo') . '](' . '$2' . ')' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text);
+
+       $Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text);
+       $Text = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", '[$2]($1)', $Text);
 
        $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '[$1]($1)', $Text);
        $Text = preg_replace("/\#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[#$2]($1)', $Text);
        $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[$2]($1)', $Text);
 
+
        $Text = preg_replace("/\[img\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$1' . ')', $Text);
-//     $Text = preg_replace("/\[img\](.*?)\[\/img\]/", t('image/photo'), $Text);
+       $Text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$2' . ')', $Text);
 
        // Perform MAIL Search
        $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text);
@@ -145,13 +164,11 @@ function bb2diaspora($Text,$preserve_nl = false) {
        // 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);
+    $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","\t$1\n", $Text);
+       $Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text);
 
 
 
@@ -165,28 +182,26 @@ function bb2diaspora($Text,$preserve_nl = false) {
 
        // 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("/\[video\](.*?)\[\/video\]/", '$1', $Text);
 
-//     $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
+       $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $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);
+    $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); 
+    $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); 
+    $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); 
+       $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $Text);
+
+       $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text); 
+       $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text); 
+       $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", 'http://vimeo.com/$1',$Text);
 
 
+       $Text = str_replace('[nosmile]','',$Text);
 
        // oembed tag
        //      $Text = oembed_bbcode2html($Text);
@@ -222,7 +237,7 @@ function format_event_diaspora($ev) {
 
        $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
 
-       $o = 'Friendika event notification:' . "\n";
+       $o = 'Friendica event notification:' . "\n";
 
        $o .= '**' . bb2diaspora($ev['desc']) .  '**' . "\n";