1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
<?php
require_once("include/oembed.php");
require_once('include/event.php');
require_once('library/markdown.php');
require_once('include/html2bbcode.php');
// we don't want to support a bbcode specific markdown interpreter
// and the markdown library we have is pretty good, but provides HTML output.
// So we'll use that to convert to HTML, then convert the HTML back to bbcode,
// and then clean up a few Diaspora specific constructs.
function diaspora2bb($s) {
// for testing purposes: Collect raw markdown articles
// $file = tempnam("/tmp/friendica/", "markdown");
// file_put_contents($file, $s);
$s = html_entity_decode($s,ENT_COMPAT,'UTF-8');
// Too many new lines. So deactivated the following line
// $s = str_replace("\r","\n",$s);
// Simply remove cr.
$s = str_replace("\r","",$s);
// <br/> is invalid. Replace it with the valid expression
$s = str_replace("<br/>","<br />",$s);
$s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
// Escaping the hash tags - doesn't always seem to work
// $s = preg_replace('/\#([^\s\#])/','\\#$1',$s);
// This seems to work
$s = preg_replace('/\#([^\s\#])/','#$1',$s);
$s = Markdown($s);
$s = str_replace('#','#',$s);
$s = str_replace("\n",'<br />',$s);
$s = html2bbcode($s);
// $s = str_replace('*','*',$s);
// Convert everything that looks like a link to a link
$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s);
//$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
$s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s);
$s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s);
$s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s);
$s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s);
// remove duplicate adjacent code tags
$s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
// Don't show link to full picture (until it is fixed)
$s = scale_external_images($s, false);
return $s;
}
function stripdcode_br_cb($s) {
return '[code]' . str_replace('<br />', "\n\t", $s[1]) . '[/code]';
}
function diaspora_ul($s) {
return str_replace('[\\*]', "* ", $s[1]);
}
function diaspora_ol($s) {
// A hack: Diaspora will create a properly-numbered ordered list even
// if you use '1.' for each element of the list, like:
// 1. First element
// 1. Second element
// 1. Third element
return str_replace('[\\*]', "1. ", $s[1]);
}
function bb2diaspora($Text,$preserve_nl = false) {
$ev = bbtoevent($Text);
// Replace any html brackets with HTML Entities to prevent executing HTML or script
// Don't use strip_tags here because it breaks [url] search by replacing & with amp
$Text = str_replace("<", "<", $Text);
$Text = str_replace(">", ">", $Text);
// If we find any event code, turn it into an event.
// After we're finished processing the bbcode we'll
// replace all of the event code with a reformatted version.
if($preserve_nl)
$Text = str_replace(array("\n","\r"), array('',''),$Text);
// Set up the parameters for a URL search string
$URLSearchString = "^\[\]";
// Set up the parameters for a MAIL search string
$MAILSearchString = $URLSearchString;
// Perform URL Search
// [img]pathtoimage[/img]
// the following was added on 10-January-2012 due to an inability of Diaspora's
// new javascript markdown processor to handle links with images as the link "text"
// It is not optimal and may be removed if this ability is restored in the future
$Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism",
'' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text);
$Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text);
$Text = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", '[$2]($1)', $Text);
$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '[$1]($1)', $Text);
$Text = preg_replace("/\#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[#$2]($1)', $Text);
$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[$2]($1)', $Text);
$Text = preg_replace("/\[img\](.*?)\[\/img\]/", '', $Text);
$Text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/", '', $Text);
// Perform MAIL Search
$Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text);
$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text);
$Text = str_replace('*', '\\*', $Text);
$Text = str_replace('_', '\\_', $Text);
$Text = str_replace('`','\\`', $Text);
// Check for bold text
$Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text);
// Check for italics text
$Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$Text);
// Check for underline text
// Replace with italics since Diaspora doesn't have underline
$Text = preg_replace("(\[u\](.*?)\[\/u\])is",'_$1_',$Text);
// Check for strike-through text
$Text = preg_replace("(\[s\](.*?)\[\/s\])is",'**[strike]**$1**[/strike]**',$Text);
// Check for over-line text
// $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
// Check for colored text
// Remove color since Diaspora doesn't support it
$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","$2",$Text);
// Check for sized text
// Remove it since Diaspora doesn't support sizes very well
$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","$2",$Text);
// Check for list text
$Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text);
$Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text);
$Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text);
$Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text);
$Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
$Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
$Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
$Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text);
// $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text);
// Just get rid of table tags since Diaspora doesn't support tables
$Text = preg_replace("/\[th\](.*?)\[\/th\]/s", '$1' ,$Text);
$Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '$1' ,$Text);
$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '$1' ,$Text);
$Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '$1' ,$Text);
$Text = preg_replace("/\[table border=(.*?)\](.*?)\[\/table\]/s", '$2' ,$Text);
// $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$Text);
// $Text = str_replace("[*]", "<li>", $Text);
// Check for font change text
// $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
$Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text);
// Check for [code] text
$Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text);
// Declare the format for [quote] layout
// $QuoteLayout = '<blockquote>$1</blockquote>';
// Check for [quote] text
$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is",">$1\n\n", $Text);
$Text = preg_replace("/\[quote=(.*?)\](.*?)\[\/quote\]/is",">$2\n\n", $Text);
// Images
// html5 video and audio
$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
// $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
// [img=widthxheight]image source[/img]
// $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $Text);
$Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", 'http://vimeo.com/$1',$Text);
$Text = str_replace('[nosmile]','',$Text);
// oembed tag
// $Text = oembed_bbcode2html($Text);
// If we found an event earlier, strip out all the event code and replace with a reformatted version.
if(x($ev,'desc') && x($ev,'start')) {
$sub = format_event_diaspora($ev);
$Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
$Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
$Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text);
$Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text);
}
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
$Text = preg_replace_callback('/\[(.*?)\]\((.*?)\)/ism','unescape_underscores_in_links',$Text);
call_hooks('bb2diaspora',$Text);
return $Text;
}
function unescape_underscores_in_links($m) {
$y = str_replace('\\_','_', $m[2]);
return('[' . $m[1] . '](' . $y . ')');
}
function format_event_diaspora($ev) {
$a = get_app();
if(! ((is_array($ev)) && count($ev)))
return '';
$bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
$o = 'Friendica event notification:' . "\n";
$o .= '**' . bb2diaspora($ev['desc']) . '**' . "\n";
$o .= t('Starts:') . ' ' . '['
. (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format ))
: day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format)))
. '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
if(! $ev['nofinish'])
$o .= t('Finishes:') . ' ' . '['
. (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format ))
: day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format )))
. '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
if(strlen($ev['location']))
$o .= t('Location:') . bb2diaspora($ev['location'])
. "\n";
$o .= "\n";
return $o;
}
|
