3 require_once("include/oembed.php");
4 require_once("include/event.php");
5 require_once("library/markdown.php");
6 require_once("include/html2bbcode.php");
7 require_once("include/bbcode.php");
8 require_once("library/html-to-markdown/HTML_To_Markdown.php");
11 // we don't want to support a bbcode specific markdown interpreter
12 // and the markdown library we have is pretty good, but provides HTML output.
13 // So we'll use that to convert to HTML, then convert the HTML back to bbcode,
14 // and then clean up a few Diaspora specific constructs.
16 function diaspora2bb($s) {
18 $s = html_entity_decode($s,ENT_COMPAT,'UTF-8');
20 // Remove CR to avoid problems with following code
21 $s = str_replace("\r","",$s);
23 $s = str_replace("\n"," \n",$s);
25 // The parser cannot handle paragraphs correctly
26 $s = str_replace(array("</p>", "<p>", '<p dir="ltr">'),array("<br>", "<br>", "<br>"),$s);
28 // Escaping the hash tags
29 $s = preg_replace('/\#([^\s\#])/','#$1',$s);
33 $s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
35 $s = str_replace('#','#',$s);
37 $search = array(" \n", "\n ");
38 $replace = array("\n", "\n");
41 $s = str_replace($search, $replace, $s);
42 } while ($oldtext != $s);
44 $s = str_replace("\n\n", "<br>", $s);
48 // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
49 $s = str_replace('♲',html_entity_decode('♲',ENT_QUOTES,'UTF-8'),$s);
51 // Convert everything that looks like a link to a link
52 $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s);
54 //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
55 $s = bb_tag_preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]','url',$s);
56 $s = bb_tag_preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]','url',$s);
57 $s = bb_tag_preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]','url',$s);
58 $s = bb_tag_preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]','url',$s);
59 // remove duplicate adjacent code tags
60 $s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
62 // Don't show link to full picture (until it is fixed)
63 $s = scale_external_images($s, false);
68 function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
72 $OriginalText = $Text;
74 // Since Diaspora is creating a summary for links, this function removes them before posting
76 $Text = bb_remove_share_information($Text);
79 * Transform #tags, strip off the [url] and replace spaces with underscore
81 $URLSearchString = "^\[\]";
82 $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
83 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
87 // Converting images with size parameters to simple images. Markdown doesn't know it.
88 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
90 // Convert it to HTML - don't try oembed
92 $Text = bbcode($Text, $preserve_nl, false, 3);
94 // Add all tags that maybe were removed
95 if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",$OriginalText, $tags)) {
97 foreach($tags[2] as $tag)
98 if (!strpos($Text, "#".$tag))
99 $tagline .= "#".$tag." ";
101 $Text = $Text."<br />".$tagline;
105 $Text = bbcode($Text, $preserve_nl, false, 4);
107 // mask some special HTML chars from conversation to markdown
108 $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
110 // If a link is followed by a quote then there should be a newline before it
111 // Maybe we should make this newline at every time before a quote.
112 $Text = str_replace(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
114 $stamp1 = microtime(true);
116 // Now convert HTML to Markdown
117 $Text = new HTML_To_Markdown($Text);
119 // unmask the special chars back to HTML
120 $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
122 $a->save_timestamp($stamp1, "parser");
124 // Libertree has a problem with escaped hashtags.
125 $Text = str_replace(array('\#'), array('#'), $Text);
127 // Remove any leading or trailing whitespace, as this will mess up
128 // the Diaspora signature verification and cause the item to disappear
131 call_hooks('bb2diaspora',$Text);
136 function unescape_underscores_in_links($m) {
137 $y = str_replace('\\_','_', $m[2]);
138 return('[' . $m[1] . '](' . $y . ')');
141 function format_event_diaspora($ev) {
145 if(! ((is_array($ev)) && count($ev)))
148 $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
150 $o = 'Friendica event notification:' . "\n";
152 $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
154 $o .= t('Starts:') . ' ' . '['
155 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
156 $ev['start'] , $bd_format ))
157 : day_translate(datetime_convert('UTC', 'UTC',
158 $ev['start'] , $bd_format)))
159 . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
161 if(! $ev['nofinish'])
162 $o .= t('Finishes:') . ' ' . '['
163 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
164 $ev['finish'] , $bd_format ))
165 : day_translate(datetime_convert('UTC', 'UTC',
166 $ev['finish'] , $bd_format )))
167 . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
169 if(strlen($ev['location']))
170 $o .= t('Location:') . bb2diaspora($ev['location'])