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 // Handles single newlines
21 $s = str_replace("\r", '<br>', $s);
23 $s = str_replace("\n", " \n", $s);
25 // Replace lonely stars in lines not starting with it with literal stars
26 $s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
28 // The parser cannot handle paragraphs correctly
29 $s = str_replace(array('</p>', '<p>', '<p dir="ltr">'), array('<br>', '<br>', '<br>'), $s);
31 // Escaping the hash tags
32 $s = preg_replace('/\#([^\s\#])/', '#$1', $s);
36 $s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/', '@[url=https://$3/u/$2]$1[/url]', $s);
38 $s = str_replace('#', '#', $s);
40 $search = array(" \n", "\n ");
41 $replace = array("\n", "\n");
44 $s = str_replace($search, $replace, $s);
45 } while ($oldtext != $s);
47 $s = str_replace("\n\n", '<br>', $s);
51 // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
52 $s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
54 // Convert everything that looks like a link to a link
55 $s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
57 //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
58 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
59 $s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
60 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
61 $s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
63 // remove duplicate adjacent code tags
64 $s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
66 // Don't show link to full picture (until it is fixed)
67 $s = scale_external_images($s, false);
73 * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
75 * @param array $match Matching values for the callback
76 * @return text Replaced mention
78 function diaspora_mentions($match) {
80 $contact = get_contact_details_by_url($match[3]);
82 if (!isset($contact['addr'])) {
83 $contact = Probe::uri($match[3]);
86 if (!isset($contact['addr'])) {
90 $mention = '@{'.$match[2].'; '.$contact['addr'].'}';
94 function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
98 $OriginalText = $Text;
100 // Since Diaspora is creating a summary for links, this function removes them before posting
102 $Text = bb_remove_share_information($Text);
105 * Transform #tags, strip off the [url] and replace spaces with underscore
107 $URLSearchString = "^\[\]";
108 $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
109 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
112 // Converting images with size parameters to simple images. Markdown doesn't know it.
113 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
115 // Convert it to HTML - don't try oembed
117 $Text = bbcode($Text, $preserve_nl, false, 3);
119 // Add all tags that maybe were removed
120 if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",$OriginalText, $tags)) {
122 foreach($tags[2] as $tag) {
123 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
124 if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), "#".$tag))
125 $tagline .= "#".$tag." ";
127 $Text = $Text." ".$tagline;
131 $Text = bbcode($Text, $preserve_nl, false, 4);
133 // mask some special HTML chars from conversation to markdown
134 $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
136 // If a link is followed by a quote then there should be a newline before it
137 // Maybe we should make this newline at every time before a quote.
138 $Text = str_replace(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
140 $stamp1 = microtime(true);
142 // Now convert HTML to Markdown
143 $Text = new HTML_To_Markdown($Text);
145 // unmask the special chars back to HTML
146 $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
148 $a->save_timestamp($stamp1, "parser");
150 // Libertree has a problem with escaped hashtags.
151 $Text = str_replace(array('\#'), array('#'), $Text);
153 // Remove any leading or trailing whitespace, as this will mess up
154 // the Diaspora signature verification and cause the item to disappear
158 $URLSearchString = "^\[\]";
159 $Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
162 call_hooks('bb2diaspora',$Text);
167 function unescape_underscores_in_links($m) {
168 $y = str_replace('\\_','_', $m[2]);
169 return('[' . $m[1] . '](' . $y . ')');
172 function format_event_diaspora($ev) {
174 if(! ((is_array($ev)) && count($ev)))
177 $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
179 $o = 'Friendica event notification:' . "\n";
181 $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
183 $o .= t('Starts:') . ' ' . '['
184 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
185 $ev['start'] , $bd_format ))
186 : day_translate(datetime_convert('UTC', 'UTC',
187 $ev['start'] , $bd_format)))
188 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
190 if(! $ev['nofinish'])
191 $o .= t('Finishes:') . ' ' . '['
192 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
193 $ev['finish'] , $bd_format ))
194 : day_translate(datetime_convert('UTC', 'UTC',
195 $ev['finish'] , $bd_format )))
196 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
198 if(strlen($ev['location']))
199 $o .= t('Location:') . bb2diaspora($ev['location'])