/**
* @file include/html2bbcode.php
* @brief Converter for HTML to BBCode
- *
+ *
* Made by: ike@piratenpartei.de
* Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom
* https://github.com/annando/Syncom
*/
-require_once("include/xml.php");
+use Friendica\Core\Addon;
+use Friendica\Util\Network;
+use Friendica\Util\XML;
function node2bbcode(&$doc, $oldnode, $attributes, $startbb, $endbb)
{
$list = $xpath->query("//".$oldnode);
foreach ($list as $oldNode) {
-
- $attr = array();
- if ($oldNode->attributes->length)
- foreach ($oldNode->attributes as $attribute)
+ $attr = [];
+ if ($oldNode->attributes->length) {
+ foreach ($oldNode->attributes as $attribute) {
$attr[$attribute->name] = $attribute->value;
+ }
+ }
$replace = true;
$i = 0;
foreach ($attributes as $attribute => $value) {
-
$startbb = str_replace('\x01'.++$i, '$1', $startbb);
-
if (strpos('*'.$startbb, '$1') > 0) {
-
- if ($replace and (@$attr[$attribute] != '')) {
-
+ if ($replace && (@$attr[$attribute] != '')) {
$startbb = preg_replace($value, $startbb, $attr[$attribute], -1, $count);
// If nothing could be changed
- if ($count == 0)
+ if ($count == 0) {
$replace = false;
- } else
+ }
+ } else {
$replace = false;
+ }
} else {
- if (@$attr[$attribute] != $value)
+ if (@$attr[$attribute] != $value) {
$replace = false;
+ }
}
}
return($replace);
}
-function _replace_code_cb($m){
- return "<code>".str_replace("\n","<br>\n",$m[1]). "</code>";
-}
-
-function html2bbcode($message)
+function html2bbcode($message, $basepath = '')
{
$message = str_replace("\r", "", $message);
- $message = preg_replace_callback("|<pre><code>([^<]*)</code></pre>|ism", "_replace_code_cb", $message);
+ // Removing code blocks before the whitespace removal processing below
+ $codeblocks = [];
+ $message = preg_replace_callback(
+ '#<pre><code(?: class="([^"]*)")?>(.*)</code></pre>#iUs',
+ function ($matches) use (&$codeblocks) {
+ $return = '[codeblock-' . count($codeblocks) . ']';
- $message = str_replace(array(
- "<li><p>",
- "</p></li>",
- ),
- array(
- "<li>",
- "</li>",
- ),
- $message);
+ $prefix = '[code]';
+ if ($matches[1] != '') {
+ $prefix = '[code=' . $matches[1] . ']';
+ }
+ $codeblocks[] = $prefix . trim($matches[2]) . '[/code]';
+ return $return;
+ },
+ $message
+ );
+
+ $message = str_replace(
+ [
+ "<li><p>",
+ "</p></li>",
+ ],
+ [
+ "<li>",
+ "</li>",
+ ],
+ $message
+ );
// remove namespaces
$message = preg_replace('=<(\w+):(.+?)>=', '<removeme>', $message);
@$doc->loadHTML($message);
- xml::deleteNode($doc, 'style');
- xml::deleteNode($doc, 'head');
- xml::deleteNode($doc, 'title');
- xml::deleteNode($doc, 'meta');
- xml::deleteNode($doc, 'xml');
- xml::deleteNode($doc, 'removeme');
+ XML::deleteNode($doc, 'style');
+ XML::deleteNode($doc, 'head');
+ XML::deleteNode($doc, 'title');
+ XML::deleteNode($doc, 'meta');
+ XML::deleteNode($doc, 'xml');
+ XML::deleteNode($doc, 'removeme');
$xpath = new DomXPath($doc);
$list = $xpath->query("//pre");
- foreach ($list as $node)
+ foreach ($list as $node) {
$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
+ }
$message = $doc->saveHTML();
- $message = str_replace(array("\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"), array("<", ">", "<br />", " ", ""), $message);
+ $message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br />", " ", ""], $message);
$message = preg_replace('= [\s]*=i', " ", $message);
@$doc->loadHTML($message);
- node2bbcode($doc, 'html', array(), "", "");
- node2bbcode($doc, 'body', array(), "", "");
+ node2bbcode($doc, 'html', [], "", "");
+ node2bbcode($doc, 'body', [], "", "");
// Outlook-Quote - Variant 1
- node2bbcode($doc, 'p', array('class'=>'MsoNormal', 'style'=>'margin-left:35.4pt'), '[quote]', '[/quote]');
+ node2bbcode($doc, 'p', ['class'=>'MsoNormal', 'style'=>'margin-left:35.4pt'], '[quote]', '[/quote]');
// Outlook-Quote - Variant 2
- node2bbcode($doc, 'div', array('style'=>'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'), '[quote]', '[/quote]');
+ node2bbcode($doc, 'div', ['style'=>'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'], '[quote]', '[/quote]');
// MyBB-Stuff
- node2bbcode($doc, 'span', array('style'=>'text-decoration: underline;'), '[u]', '[/u]');
- node2bbcode($doc, 'span', array('style'=>'font-style: italic;'), '[i]', '[/i]');
- node2bbcode($doc, 'span', array('style'=>'font-weight: bold;'), '[b]', '[/b]');
+ node2bbcode($doc, 'span', ['style'=>'text-decoration: underline;'], '[u]', '[/u]');
+ node2bbcode($doc, 'span', ['style'=>'font-style: italic;'], '[i]', '[/i]');
+ node2bbcode($doc, 'span', ['style'=>'font-weight: bold;'], '[b]', '[/b]');
/*node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[font=$1][size=$2][color=$3]', '[/color][/size][/font]');
node2bbcode($doc, 'font', array('size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[size=$1][color=$2]', '[/color][/size]');
node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/'), '[font=$1]', '[/font]');
node2bbcode($doc, 'font', array('size'=>'/(\d+)/'), '[size=$1]', '[/size]');
node2bbcode($doc, 'font', array('color'=>'/(.+)/'), '[color=$1]', '[/color]');
-*/
+ */
// Untested
//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*font-family:\s*(.+?)[,;].*color:\s*(.+?)[,;].*/'), '[size=$1][font=$2][color=$3]', '[/color][/font][/size]');
//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(\d+)[,;].*/'), '[size=$1]', '[/size]');
//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*/'), '[size=$1]', '[/size]');
- node2bbcode($doc, 'span', array('style'=>'/.*color:\s*(.+?)[,;].*/'), '[color="$1"]', '[/color]');
+ node2bbcode($doc, 'span', ['style'=>'/.*color:\s*(.+?)[,;].*/'], '[color="$1"]', '[/color]');
//node2bbcode($doc, 'span', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
// Importing the classes - interesting for importing of posts from third party networks that were exported from friendica
// Test
//node2bbcode($doc, 'span', array('class'=>'/([\w ]+)/'), '[class=$1]', '[/class]');
- node2bbcode($doc, 'span', array('class'=>'type-link'), '[class=type-link]', '[/class]');
- node2bbcode($doc, 'span', array('class'=>'type-video'), '[class=type-video]', '[/class]');
+ node2bbcode($doc, 'span', ['class'=>'type-link'], '[class=type-link]', '[/class]');
+ node2bbcode($doc, 'span', ['class'=>'type-video'], '[class=type-video]', '[/class]');
- node2bbcode($doc, 'strong', array(), '[b]', '[/b]');
- node2bbcode($doc, 'em', array(), '[i]', '[/i]');
- node2bbcode($doc, 'b', array(), '[b]', '[/b]');
- node2bbcode($doc, 'i', array(), '[i]', '[/i]');
- node2bbcode($doc, 'u', array(), '[u]', '[/u]');
+ node2bbcode($doc, 'strong', [], '[b]', '[/b]');
+ node2bbcode($doc, 'em', [], '[i]', '[/i]');
+ node2bbcode($doc, 'b', [], '[b]', '[/b]');
+ node2bbcode($doc, 'i', [], '[i]', '[/i]');
+ node2bbcode($doc, 'u', [], '[u]', '[/u]');
- node2bbcode($doc, 'big', array(), "[size=large]", "[/size]");
- node2bbcode($doc, 'small', array(), "[size=small]", "[/size]");
+ node2bbcode($doc, 'big', [], "[size=large]", "[/size]");
+ node2bbcode($doc, 'small', [], "[size=small]", "[/size]");
- node2bbcode($doc, 'blockquote', array(), '[quote]', '[/quote]');
+ node2bbcode($doc, 'blockquote', [], '[quote]', '[/quote]');
- node2bbcode($doc, 'br', array(), "\n", '');
+ node2bbcode($doc, 'br', [], "\n", '');
- node2bbcode($doc, 'p', array('class'=>'MsoNormal'), "\n", "");
- node2bbcode($doc, 'div', array('class'=>'MsoNormal'), "\r", "");
+ node2bbcode($doc, 'p', ['class'=>'MsoNormal'], "\n", "");
+ node2bbcode($doc, 'div', ['class'=>'MsoNormal'], "\r", "");
- node2bbcode($doc, 'span', array(), "", "");
+ node2bbcode($doc, 'span', [], "", "");
- node2bbcode($doc, 'span', array(), "", "");
- node2bbcode($doc, 'pre', array(), "", "");
+ node2bbcode($doc, 'span', [], "", "");
+ node2bbcode($doc, 'pre', [], "", "");
- node2bbcode($doc, 'div', array(), "\r", "\r");
- node2bbcode($doc, 'p', array(), "\n", "\n");
+ node2bbcode($doc, 'div', [], "\r", "\r");
+ node2bbcode($doc, 'p', [], "\n", "\n");
- node2bbcode($doc, 'ul', array(), "[list]", "[/list]");
- node2bbcode($doc, 'ol', array(), "[list=1]", "[/list]");
- node2bbcode($doc, 'li', array(), "[*]", "");
+ node2bbcode($doc, 'ul', [], "[list]", "[/list]");
+ node2bbcode($doc, 'ol', [], "[list=1]", "[/list]");
+ node2bbcode($doc, 'li', [], "[*]", "");
- node2bbcode($doc, 'hr', array(), "[hr]", "");
+ node2bbcode($doc, 'hr', [], "[hr]", "");
- node2bbcode($doc, 'table', array(), "", "");
- node2bbcode($doc, 'tr', array(), "\n", "");
- node2bbcode($doc, 'td', array(), "\t", "");
+ node2bbcode($doc, 'table', [], "", "");
+ node2bbcode($doc, 'tr', [], "\n", "");
+ node2bbcode($doc, 'td', [], "\t", "");
//node2bbcode($doc, 'table', array(), "[table]", "[/table]");
//node2bbcode($doc, 'th', array(), "[th]", "[/th]");
//node2bbcode($doc, 'tr', array(), "[tr]", "[/tr]");
//node2bbcode($doc, 'h5', array(), "\n\n[size=small][b]", "[/b][/size]\n");
//node2bbcode($doc, 'h6', array(), "\n\n[size=x-small][b]", "[/b][/size]\n");
- node2bbcode($doc, 'h1', array(), "\n\n[h1]", "[/h1]\n");
- node2bbcode($doc, 'h2', array(), "\n\n[h2]", "[/h2]\n");
- node2bbcode($doc, 'h3', array(), "\n\n[h3]", "[/h3]\n");
- node2bbcode($doc, 'h4', array(), "\n\n[h4]", "[/h4]\n");
- node2bbcode($doc, 'h5', array(), "\n\n[h5]", "[/h5]\n");
- node2bbcode($doc, 'h6', array(), "\n\n[h6]", "[/h6]\n");
+ node2bbcode($doc, 'h1', [], "\n\n[h1]", "[/h1]\n");
+ node2bbcode($doc, 'h2', [], "\n\n[h2]", "[/h2]\n");
+ node2bbcode($doc, 'h3', [], "\n\n[h3]", "[/h3]\n");
+ node2bbcode($doc, 'h4', [], "\n\n[h4]", "[/h4]\n");
+ node2bbcode($doc, 'h5', [], "\n\n[h5]", "[/h5]\n");
+ node2bbcode($doc, 'h6', [], "\n\n[h6]", "[/h6]\n");
- node2bbcode($doc, 'a', array('href'=>'/mailto:(.+)/'), '[mail=$1]', '[/mail]');
- node2bbcode($doc, 'a', array('href'=>'/(.+)/'), '[url=$1]', '[/url]');
+ node2bbcode($doc, 'a', ['href'=>'/mailto:(.+)/'], '[mail=$1]', '[/mail]');
+ node2bbcode($doc, 'a', ['href'=>'/(.+)/'], '[url=$1]', '[/url]');
- node2bbcode($doc, 'img', array('src'=>'/(.+)/', 'width'=>'/(\d+)/', 'height'=>'/(\d+)/'), '[img=$2x$3]$1', '[/img]');
- node2bbcode($doc, 'img', array('src'=>'/(.+)/'), '[img]$1', '[/img]');
+ node2bbcode($doc, 'img', ['src'=>'/(.+)/', 'width'=>'/(\d+)/', 'height'=>'/(\d+)/'], '[img=$2x$3]$1', '[/img]');
+ node2bbcode($doc, 'img', ['src'=>'/(.+)/'], '[img]$1', '[/img]');
- node2bbcode($doc, 'video', array('src'=>'/(.+)/'), '[video]$1', '[/video]');
- node2bbcode($doc, 'audio', array('src'=>'/(.+)/'), '[audio]$1', '[/audio]');
- node2bbcode($doc, 'iframe', array('src'=>'/(.+)/'), '[iframe]$1', '[/iframe]');
+ node2bbcode($doc, 'video', ['src'=>'/(.+)/'], '[video]$1', '[/video]');
+ node2bbcode($doc, 'audio', ['src'=>'/(.+)/'], '[audio]$1', '[/audio]');
+ node2bbcode($doc, 'iframe', ['src'=>'/(.+)/'], '[iframe]$1', '[/iframe]');
- node2bbcode($doc, 'code', array(), '[code]', '[/code]');
- node2bbcode($doc, 'key', array(), '[code]', '[/code]');
+ node2bbcode($doc, 'key', [], '[code]', '[/code]');
+ node2bbcode($doc, 'code', [], '[code]', '[/code]');
$message = $doc->saveHTML();
$message = preg_replace('=\r *\r=i', "\n", $message);
$message = str_replace("\r", "\n", $message);
- call_hooks('html2bbcode', $message);
+ Addon::callHooks('html2bbcode', $message);
$message = strip_tags($message);
$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
- $message = str_replace(array("<"), array("<"), $message);
+ $message = str_replace(["<"], ["<"], $message);
// remove quotes if they don't make sense
$message = preg_replace('=\[/quote\][\s]*\[quote\]=i', "\n", $message);
do {
$oldmessage = $message;
- $message = str_replace(array(
- "[/size]\n\n",
- "\n[hr]",
- "[hr]\n",
- "\n[list",
- "[/list]\n",
- "\n[/",
- "[list]\n",
- "[list=1]\n",
- "\n[*]"),
- array(
- "[/size]\n",
- "[hr]",
- "[hr]",
- "[list",
- "[/list]",
- "[/",
- "[list]",
- "[list=1]",
- "[*]"),
- $message);
+ $message = str_replace(
+ [
+ "[/size]\n\n",
+ "\n[hr]",
+ "[hr]\n",
+ "\n[list",
+ "[/list]\n",
+ "\n[/",
+ "[list]\n",
+ "[list=1]\n",
+ "\n[*]"],
+ [
+ "[/size]\n",
+ "[hr]",
+ "[hr]",
+ "[list",
+ "[/list]",
+ "[/",
+ "[list]",
+ "[list=1]",
+ "[*]"],
+ $message
+ );
} while ($message != $oldmessage);
- $message = str_replace(array('[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'),
- array('[b]', '[/b]', '[i]', '[/i]'), $message);
+ $message = str_replace(
+ ['[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'],
+ ['[b]', '[/b]', '[i]', '[/i]'],
+ $message
+ );
// Handling Yahoo style of mails
$message = str_replace('[hr][b]From:[/b]', '[quote][b]From:[/b]', $message);
- return(trim($message));
+ // Restore code blocks
+ $message = preg_replace_callback(
+ '#\[codeblock-([0-9]+)\]#iU',
+ function ($matches) use ($codeblocks) {
+ $return = '';
+ if (isset($codeblocks[intval($matches[1])])) {
+ $return = $codeblocks[$matches[1]];
+ }
+ return $return;
+ },
+ $message
+ );
+
+ $message = trim($message);
+
+ if ($basepath != '') {
+ $message = addHostname($message, $basepath);
+ }
+
+ return $message;
+}
+
+/**
+ * @brief Sub function to complete incomplete URL
+ *
+ * @param array $matches Result of preg_replace_callback
+ * @param string $basepath Basepath that is used to complete the URL
+ *
+ * @return string The expanded URL
+ */
+function addHostnameSub($matches, $basepath)
+{
+ $base = parse_url($basepath);
+ unset($base['query']);
+ unset($base['fragment']);
+
+ $link = $matches[0];
+ $url = $matches[1];
+
+ $parts = array_merge($base, parse_url($url));
+ $url2 = Network::unparseURL($parts);
+
+ return str_replace($url, $url2, $link);
+}
+
+/**
+ * @brief Complete incomplete URLs in BBCode
+ *
+ * @param string $body Body with URLs
+ * @param string $basepath Basepath that is used to complete the URL
+ *
+ * @return string Body with expanded URLs
+ */
+function addHostname($body, $basepath)
+{
+ $URLSearchString = "^\[\]";
+
+ $matches = ["/\[url\=([$URLSearchString]*)\].*?\[\/url\]/ism",
+ "/\[url\]([$URLSearchString]*)\[\/url\]/ism",
+ "/\[img\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism",
+ "/\[img\](.*?)\[\/img\]/ism",
+ "/\[zmg\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism",
+ "/\[zmg\](.*?)\[\/zmg\]/ism",
+ "/\[video\](.*?)\[\/video\]/ism",
+ "/\[audio\](.*?)\[\/audio\]/ism",
+ ];
+
+ foreach ($matches as $match) {
+ $body = preg_replace_callback(
+ $match,
+ function ($match) use ($basepath) {
+ return addHostnameSub($match, $basepath);
+ },
+ $body
+ );
+ }
+ return $body;
}
-?>