3 require_once("include/oembed.php");
4 require_once('include/event.php');
8 function stripcode_br_cb($s) {
9 return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
12 function tryoembed($match){
13 $url = ((count($match)==2)?$match[1]:$match[2]);
14 // logger("tryoembed: $url");
16 $o = oembed_fetch_url($url);
18 //echo "<pre>"; var_dump($match, $url, $o); killme();
20 if ($o->type=="error") return $match[0];
22 $html = oembed_format_object($o);
23 return $html; //oembed_iframe($html,$o->width,$o->height);
27 // [noparse][i]italic[/i][/noparse] turns into
28 // [noparse][ i ]italic[ /i ][/noparse],
29 // to hide them from parser.
31 function bb_spacefy($st) {
32 $whole_match = $st[0];
34 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
35 $new_str = str_replace($captured, $spacefied, $whole_match);
39 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
40 // now turns back and the [noparse] tags are trimed
41 // returning [i]italic[/i]
43 function bb_unspacefy_and_trim($st) {
44 $whole_match = $st[0];
46 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
50 // BBcode 2 HTML was written by WAY2WEB.net
51 // extended to work with Mistpark/Friendica - Mike Macgirvin
53 function bbcode($Text,$preserve_nl = false) {
57 // Hide all [noparse] contained bbtags spacefying them
59 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
60 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
61 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
64 // Extract a single private image which uses data url's since preg has issues with
65 // large data sizes. Stash it away while we do bbcode conversion, and then put it back
66 // in after we've done all the regex matching. We cannot use any preg functions to do this.
69 $img_start = strpos($Text,'[img]data:');
70 $img_end = strpos($Text,'[/img]');
72 if($img_start !== false && $img_end !== false && $img_end > $img_start) {
73 $start_fragment = substr($Text,0,$img_start);
74 $img_start += strlen('[img]');
75 $saved_image = substr($Text,$img_start,$img_end - $img_start);
76 $end_fragment = substr($Text,$img_end + strlen('[/img]'));
77 // logger('saved_image: ' . $saved_image,LOGGER_DEBUG);
78 $Text = $start_fragment . '[$#saved_image#$]' . $end_fragment;
81 // If we find any event code, turn it into an event.
82 // After we're finished processing the bbcode we'll
83 // replace all of the event code with a reformatted version.
85 $ev = bbtoevent($Text);
88 // Replace any html brackets with HTML Entities to prevent executing HTML or script
89 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
91 $Text = str_replace("<", "<", $Text);
92 $Text = str_replace(">", ">", $Text);
94 // Convert new line chars to html <br /> tags
98 $Text = str_replace(array("\n","\r"), array('',''),$Text);
101 // Set up the parameters for a URL search string
102 $URLSearchString = "^\[\]";
103 // Set up the parameters for a MAIL search string
104 $MAILSearchString = $URLSearchString;
107 // Perform URL Search
109 $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
111 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
112 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
114 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
115 $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
116 $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
117 //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
119 // we may need to restrict this further if it picks up too many strays
120 // link acct:user@host to a webfinger profile redirector
122 $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
123 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
125 // Perform MAIL Search
126 $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
127 $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
129 // Check for bold text
130 $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
132 // Check for Italics text
133 $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
135 // Check for Underline text
136 $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
138 // Check for strike-through text
139 $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
141 // Check for over-line text
142 $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
144 // Check for colored text
145 $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
147 // Check for sized text
148 // [size=50] --> font-size: 50px (with the unit).
149 $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
150 $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
152 // Check for centered text
153 $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
155 // Check for list text
156 $Text = str_replace("[*]", "<li>", $Text);
157 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
159 // handle nested lists
161 while ((strpos($Text, "[/list]") !== false) and (strpos($Text, "[list") !== false) and (++$endlessloop < 20)) {
162 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
163 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
164 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
165 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
166 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
167 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
168 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
171 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
172 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
174 $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
175 $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
176 $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
177 $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
179 $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
180 $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
182 $Text = str_replace('[hr]','<hr />', $Text);
184 // This is actually executed in prepare_body()
186 $Text = str_replace('[nosmile]','',$Text);
188 // Check for font change text
189 $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
191 // Declare the format for [code] layout
193 $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
195 $CodeLayout = '<code>$1</code>';
196 // Check for [code] text
197 $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
199 // Declare the format for [spoiler] layout
200 $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
202 // Check for [spoiler] text
203 // handle nested quotes
205 while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
206 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
208 // Check for [spoiler=Author] text
210 $t_wrote = t('$1 wrote:');
212 // handle nested quotes
214 while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
215 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
216 "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
219 // Declare the format for [quote] layout
220 $QuoteLayout = '<blockquote>$1</blockquote>';
222 // Check for [quote] text
223 // handle nested quotes
225 while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
226 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
228 // Check for [quote=Author] text
230 $t_wrote = t('$1 wrote:');
232 // handle nested quotes
234 while ((strpos($Text, "[/quote]")!== false) and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
235 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
236 "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
239 // [img=widthxheight]image source[/img]
240 //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
241 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
244 // [img]pathtoimage[/img]
245 $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
248 $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
250 $Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
253 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
254 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
257 // html5 video and audio
260 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
263 // Youtube extensions
264 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
265 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
266 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
268 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
269 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
270 $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
273 $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);
276 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
277 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
279 $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
280 $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
281 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="425" height="350" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
283 // $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);
287 $Text = oembed_bbcode2html($Text);
289 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
291 if(x($ev,'desc') && x($ev,'start')) {
292 $sub = format_event_html($ev);
294 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",$sub,$Text);
295 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",'',$Text);
296 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
297 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
298 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
301 // Unhide all [noparse] contained bbtags unspacefying them
302 // and triming the [noparse] tag.
304 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
305 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
306 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
309 $Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/','&$1;',$Text);
311 // fix any escaped ampersands that may have been converted into links
312 $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
313 if(strlen($saved_image))
314 $Text = str_replace('[$#saved_image#$]','<img src="' . $saved_image .'" alt="' . t('Image/photo') . '" />',$Text);
316 call_hooks('bbcode',$Text);