return $unspacefied;
}
+function bb_find_open_close($s, $open, $close, $occurance = 1) {
+
+ if($occurance < 1)
+ $occurance = 1;
+
+ $start_pos = -1;
+ for($i = 1; $i <= $occurance; $i++) {
+ if( $start_pos !== false)
+ $start_pos = strpos($s, $open, $start_pos + 1);
+ }
+
+ if( $start_pos === false)
+ return false;
+
+ $end_pos = strpos($s, $close, $start_pos);
+
+ if( $end_pos === false)
+ return false;
+
+ $res = array( 'start' => $start_pos, 'end' => $end_pos );
+
+ return $res;
+}
+
+function get_bb_tag_pos($s, $name, $occurance = 1) {
+
+ if($occurance < 1)
+ $occurance = 1;
+
+ $start_open = -1;
+ for($i = 1; $i <= $occurance; $i++) {
+ if( $start_open !== false)
+ $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
+ }
+
+ if( $start_open === false)
+ return false;
+
+ $start_equal = strpos($s, '=', $start_open);
+ $start_close = strpos($s, ']', $start_open);
+
+ if( $start_close === false)
+ return false;
+
+ $start_close++;
+
+ $end_open = strpos($s, '[/' . $name . ']', $start_close);
+
+ if( $end_open === false)
+ return false;
+
+ $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
+ 'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
+ if( $start_equal !== false)
+ $res['start']['equal'] = $start_equal + 1;
+
+ return $res;
+}
+
+function bb_tag_preg_replace($pattern, $replace, $name, $s) {
+
+ $string = $s;
+
+ $occurance = 1;
+ $pos = get_bb_tag_pos($string, $name, $occurance);
+ while($pos !== false && $occurance < 1000) {
+
+ $start = substr($string, 0, $pos['start']['open']);
+ $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
+ $end = substr($string, $pos['end']['close']);
+ if($end === false)
+ $end = '';
+
+ $subject = preg_replace($pattern, $replace, $subject);
+ $string = $start . $subject . $end;
+
+ $occurance++;
+ $pos = get_bb_tag_pos($string, $name, $occurance);
+ }
+
+ return $string;
+}
+
+if(! function_exists('bb_extract_images')) {
+function bb_extract_images($body) {
+
+ $saved_image = array();
+ $orig_body = $body;
+ $new_body = '';
+
+ $cnt = 0;
+ $img_start = strpos($orig_body, '[img');
+ $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+ $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
+ while(($img_st_close !== false) && ($img_end !== false)) {
+
+ $img_st_close++; // make it point to AFTER the closing bracket
+ $img_end += $img_start;
+
+ if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
+ // This is an embedded image
+
+ $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
+ $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
+
+ $cnt++;
+ }
+ else
+ $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
+
+ $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
+
+ if($orig_body === false) // in case the body ends on a closing image tag
+ $orig_body = '';
+
+ $img_start = strpos($orig_body, '[img');
+ $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+ $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
+ }
+
+ $new_body = $new_body . $orig_body;
+
+ return array('body' => $new_body, 'images' => $saved_image);
+}}
+
+if(! function_exists('bb_replace_images')) {
+function bb_replace_images($body, $images) {
+
+ $newbody = $body;
+
+ $cnt = 0;
+ foreach($images as $image) {
+ // We're depending on the property of 'foreach' (specified on the PHP website) that
+ // it loops over the array starting from the first element and going sequentially
+ // to the last element
+ $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
+ $cnt++;
+ }
+
+ return $newbody;
+}}
+
+
+
// BBcode 2 HTML was written by WAY2WEB.net
// extended to work with Mistpark/Friendica - Mike Macgirvin
$a = get_app();
- // Hide all [noparse] contained bbtags spacefying them
+ // Hide all [noparse] contained bbtags by spacefying them
+ // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
- // Extract a single private image which uses data url's since preg has issues with
- // large data sizes. Stash it away while we do bbcode conversion, and then put it back
+ // Move all spaces out of the tags
+ $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
+ $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
+
+ // Extract the private images which use data url's since preg has issues with
+ // large data sizes. Stash them away while we do bbcode conversion, and then put them back
// in after we've done all the regex matching. We cannot use any preg functions to do this.
- $saved_image = '';
- $img_start = strpos($Text,'[img]data:');
- $img_end = strpos($Text,'[/img]');
-
- if($img_start !== false && $img_end !== false && $img_end > $img_start) {
- $start_fragment = substr($Text,0,$img_start);
- $img_start += strlen('[img]');
- $saved_image = substr($Text,$img_start,$img_end - $img_start);
- $end_fragment = substr($Text,$img_end + strlen('[/img]'));
-// logger('saved_image: ' . $saved_image,LOGGER_DEBUG);
- $Text = $start_fragment . '[$#saved_image#$]' . $end_fragment;
- }
+ $extracted = bb_extract_images($Text);
+ $Text = $extracted['body'];
+ $saved_image = $extracted['images'];
// If we find any event code, turn it into an event.
// After we're finished processing the bbcode we'll
// Check for list text
$Text = str_replace("[*]", "<li>", $Text);
- $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
+
+ // Check for style sheet commands
+ $Text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism","<span style=\"$1;\">$2</span>",$Text);
+
+ // Check for CSS classes
+ $Text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism","<span class=\"$1\">$2</span>",$Text);
// handle nested lists
$endlessloop = 0;
while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
- ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false))) && (++$endlessloop < 20)) {
+ ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
+ ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
$Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
$Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
+ $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
}
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
- $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);
- $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);
+ $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+ $Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+
// Try to Oembed
if ($tryoembed) {
+ $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
+ $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);
+
$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
$Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
+ } else {
+ $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
+ $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
}
// html5 video and audio
- $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
-
+ if ($tryoembed)
+ $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
+ else
+ $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
// Youtube extensions
if ($tryoembed) {
$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
- $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>', $Text);
+ if ($tryoembed)
+ $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+ else
+ $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "http://www.youtube.com/watch?v=$1", $Text);
if ($tryoembed) {
}
$Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
- $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
- $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="425" height="350" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+ $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
+
+ if ($tryoembed)
+ $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+ else
+ $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
// $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);
// oembed tag
$Text = oembed_bbcode2html($Text);
+ // Avoid triple linefeeds through oembed
+ $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
+
// If we found an event earlier, strip out all the event code and replace with a reformatted version.
// Replace the event-start section with the entire formatted event. The other bbcode is stripped.
// Summary (e.g. title) is required, earlier revisions only required description (in addition to
$Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/','&$1;',$Text);
+ $Text = preg_replace('/\&\#039\;/','\'',$Text);
+ $Text = preg_replace('/\"\;/','"',$Text);
// fix any escaped ampersands that may have been converted into links
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
- if(strlen($saved_image))
- $Text = str_replace('[$#saved_image#$]','<img src="' . $saved_image .'" alt="' . t('Image/photo') . '" />',$Text);
+ $Text = preg_replace("/\<(.*?)(src|href)=\"[^hfm](.*?)\>/ism",'<$1$2="">',$Text);
+
+ if($saved_image)
+ $Text = bb_replace_images($Text, $saved_image);
+
+ // Clean up the HTML by loading and saving the HTML with the DOM
+ // Only do it when it has to be done - for performance reasons
+ if (!$tryoembed) {
+ $doc = new DOMDocument();
+ $doc->preserveWhiteSpace = false;
+
+ $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
+
+ $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
+ @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
+
+ $Text = $doc->saveHTML();
+ $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
+
+ $Text = str_replace('<br></li>','</li>', $Text);
+
+ $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
+ }
call_hooks('bbcode',$Text);
projects / friendica.git / blobdiff