include/bbcode.php

   1 <?php
   2
   3 require_once("include/oembed.php");
   4 require_once('include/event.php');
   5
   6
   7
   8 function stripcode_br_cb($s) {
   9         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
  10 }
  11
  12
  13         // BBcode 2 HTML was written by WAY2WEB.net
  14         // extended to work with Mistpark/Friendika - Mike Macgirvin
  15
  16 function bbcode($Text,$preserve_nl = false) {
  17
  18         // Replace any html brackets with HTML Entities to prevent executing HTML or script
  19         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
  20
  21         $Text = str_replace("<", "&lt;", $Text);
  22         $Text = str_replace(">", "&gt;", $Text);
  23
  24         // Convert new line chars to html <br /> tags
  25
  26         $Text = nl2br($Text);
  27         if($preserve_nl)
  28                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
  29
  30         // If we find any event code, turn it into an event.
  31         // After we're finished processing the bbcode we'll
  32         // replace all of the event code with a reformatted version.
  33
  34         $ev = bbtoevent($Text);
  35
  36         // Set up the parameters for a URL search string
  37         $URLSearchString = "^\[\]";
  38         // Set up the parameters for a MAIL search string
  39         $MAILSearchString = $URLSearchString;
  40
  41         // Perform URL Search
  42
  43
  44         $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\%\$\!\+\,]+)/", '$1<a href="$2" target="external-link">$2</a>', $Text);
  45
  46         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/", '<a href="$1" target="external-link">$1</a>', $Text);
  47         $Text = preg_replace("(\[url\=([$URLSearchString]*)\](.*?)\[/url\])", '<a href="$1" target="external-link">$2</a>', $Text);
  48         //$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);
  49
  50
  51         // Perform MAIL Search
  52         $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '<a href="mailto:$1">$1</a>', $Text);
  53         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
  54
  55         // Check for bold text
  56         $Text = preg_replace("(\[b\](.*?)\[\/b\])is",'<strong>$1</strong>',$Text);
  57
  58         // Check for Italics text
  59         $Text = preg_replace("(\[i\](.*?)\[\/i\])is",'<em>$1</em>',$Text);
  60
  61         // Check for Underline text
  62         $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
  63
  64         // Check for strike-through text
  65         $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
  66
  67         // Check for over-line text
  68         $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
  69
  70         // Check for colored text
  71         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
  72
  73         // Check for sized text
  74         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
  75
  76         // Check for list text
  77         $Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
  78         $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
  79         $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
  80         $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
  81         $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
  82         $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
  83         $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text);
  84
  85         $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '<td>$1</td>' ,$Text);
  86         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '<tr>$1</tr>' ,$Text);
  87         $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '<table>$1</table>' ,$Text);
  88
  89         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/s", '<table border="1" >$1</table>' ,$Text);
  90         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$Text);
  91
  92
  93 //      $Text = str_replace("[*]", "<li>", $Text);
  94
  95         // Check for font change text
  96         $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
  97
  98         // Declare the format for [code] layout
  99
 100         $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripcode_br_cb',$Text);
 101
 102         $CodeLayout = '<code>$1</code>';
 103         // Check for [code] text
 104         $Text = preg_replace("/\[code\](.*?)\[\/code\]/is","$CodeLayout", $Text);
 105
 106
 107
 108
 109         // Declare the format for [quote] layout
 110         $QuoteLayout = '<blockquote>$1</blockquote>';
 111         // Check for [quote] text
 112         $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is","$QuoteLayout", $Text);
 113
 114         // Images
 115         // [img]pathtoimage[/img]
 116         $Text = preg_replace("/\[img\](.*?)\[\/img\]/", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 117
 118         // html5 video and audio
 119
 120         $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
 121
 122         $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
 123
 124         $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
 125
 126         // [img=widthxheight]image source[/img]
 127         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
 128
 129         if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
 130                 // use oembed for youtube links
 131                 $Text = preg_replace("/\[youtube\]/",'[embed]',$Text);
 132                 $Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text);
 133         } else {
 134                 // Youtube extensions
 135         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
 136         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
 137                 $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<iframe width="425" height="349" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
 138         }
 139 //      $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);
 140
 141
 142
 143         // oembed tag
 144         $Text = oembed_bbcode2html($Text);
 145
 146         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 147
 148         if(x($ev,'desc') && x($ev,'start')) {
 149                 $sub = format_event_html($ev);
 150
 151                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
 152                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
 153                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
 154                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text);
 155                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text);
 156         }
 157
 158
 159
 160         call_hooks('bbcode',$Text);
 161
 162         return $Text;
 163 }