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         // If we find any event code, turn it into an event.
  19         // After we're finished processing the bbcode we'll
  20         // replace all of the event code with a reformatted version.
  21
  22         $ev = bbtoevent($Text);
  23
  24
  25         // Replace any html brackets with HTML Entities to prevent executing HTML or script
  26         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
  27
  28         $Text = str_replace("<", "&lt;", $Text);
  29         $Text = str_replace(">", "&gt;", $Text);
  30
  31         // Convert new line chars to html <br /> tags
  32
  33         $Text = nl2br($Text);
  34         if($preserve_nl)
  35                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
  36
  37
  38         // Set up the parameters for a URL search string
  39         $URLSearchString = "^\[\]";
  40         // Set up the parameters for a MAIL search string
  41         $MAILSearchString = $URLSearchString;
  42
  43         // Perform URL Search
  44
  45
  46         $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
  47
  48         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
  49         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
  50         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
  51
  52
  53         // Perform MAIL Search
  54         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
  55         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
  56
  57         // Check for bold text
  58         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
  59
  60         // Check for Italics text
  61         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
  62
  63         // Check for Underline text
  64         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
  65
  66         // Check for strike-through text
  67         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
  68
  69         // Check for over-line text
  70         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
  71
  72         // Check for colored text
  73         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
  74
  75         // Check for sized text
  76         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
  77
  78         // Check for list text
  79         $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet">$1</ul>' ,$Text);
  80         $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal">$1</ul>' ,$Text);
  81         $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/sm",'<ul class="listlowerroman">$1</ul>' ,$Text);
  82         $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/sm", '<ul class="listupperroman">$1</ul>' ,$Text);
  83         $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/sm", '<ul class="listloweralpha">$1</ul>' ,$Text);
  84         $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/sm", '<ul class="listupperalpha">$1</ul>' ,$Text);
  85         $Text = preg_replace("/\[li\](.*?)\[\/li\]/sm", '<li>$1</li>' ,$Text);
  86
  87         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
  88         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
  89         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
  90
  91         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
  92         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
  93
  94
  95 //      $Text = str_replace("[*]", "<li>", $Text);
  96
  97         // Check for font change text
  98         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
  99
 100         // Declare the format for [code] layout
 101
 102         $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 103
 104         $CodeLayout = '<code>$1</code>';
 105         // Check for [code] text
 106         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 107
 108
 109
 110
 111         // Declare the format for [quote] layout
 112         $QuoteLayout = '<blockquote>$1</blockquote>';
 113         // Check for [quote] text
 114         $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 115
 116         // [img=widthxheight]image source[/img]
 117         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 118
 119         // Images
 120         // [img]pathtoimage[/img]
 121         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 122
 123         // html5 video and audio
 124
 125         $Text = preg_replace("/\[video\](.*?)\[\/video\]/ism", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
 126
 127         $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
 128
 129         $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
 130
 131
 132         if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
 133                 // use oembed for youtube links
 134                 $Text = preg_replace("/\[youtube\]/",'[embed]',$Text);
 135                 $Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text);
 136         } else {
 137                 // Youtube extensions
 138         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 139         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 140         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 141                 $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);
 142         }
 143
 144
 145 //      $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);
 146
 147
 148         // oembed tag
 149         $Text = oembed_bbcode2html($Text);
 150
 151         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 152
 153         if(x($ev,'desc') && x($ev,'start')) {
 154                 $sub = format_event_html($ev);
 155
 156                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",$sub,$Text);
 157                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",'',$Text);
 158                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
 159                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
 160                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
 161         }
 162
 163         // fix any escaped ampersands that may have been converted into links
 164         $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
 165
 166         call_hooks('bbcode',$Text);
 167
 168         return $Text;
 169 }