Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

242 lines
6.7 KiB

<?php
require_once("include/html2bbcode.php");
function breaklines($line, $level, $wraplength = 75)
{
if ($wraplength == 0)
$wraplength = 2000000;
// return($line);
$wraplen = $wraplength-$level;
$newlines = array();
do {
$oldline = $line;
$subline = substr($line, 0, $wraplen);
$pos = strrpos($subline, ' ');
if ($pos == 0)
$pos = strpos($line, ' ');
if (($pos > 0) and strlen($line) > $wraplen) {
$newline = trim(substr($line, 0, $pos));
if ($level > 0)
$newline = str_repeat(">", $level).' '.$newline;
$newlines[] = $newline." ";
$line = substr($line, $pos+1);
}
} while ((strlen($line) > $wraplen) and !($oldline == $line));
if ($level > 0)
$line = str_repeat(">", $level).' '.$line;
$newlines[] = $line;
return(implode($newlines, "\n"));
}
function quotelevel($message, $wraplength = 75)
{
$lines = explode("\n", $message);
$newlines = array();
$level = 0;
foreach($lines as $line) {;
$line = trim($line);
$startquote = false;
while (strpos("*".$line, '[quote]') > 0) {
$level++;
$pos = strpos($line, '[quote]');
$line = substr($line, 0, $pos).substr($line, $pos+7);
$startquote = true;
}
$currlevel = $level;
while (strpos("*".$line, '[/quote]') > 0) {
$level--;
if ($level < 0)
$level = 0;
$pos = strpos($line, '[/quote]');
$line = substr($line, 0, $pos).substr($line, $pos+8);
}
if (!$startquote or ($line != ''))
$newlines[] = breaklines($line, $currlevel, $wraplength);
}
return(implode($newlines, "\n"));
}
function collecturls($message) {
$pattern = '/<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
preg_match_all($pattern, $message, $result, PREG_SET_ORDER);
$urls = array();
foreach ($result as $treffer) {
$ignore = false;
// A list of some links that should be ignored
$list = array("/user/", "/tag/", "/group/", "/profile/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/",
"//facebook.com/profile.php?id=", "//plus.google.com/", "//twitter.com/");
foreach ($list as $listitem)
if (strpos($treffer[1], $listitem) !== false)
$ignore = true;
if ((strpos($treffer[1], "//twitter.com/") !== false) and (strpos($treffer[1], "/status/") !== false))
$ignore = false;
if ((strpos($treffer[1], "//plus.google.com/") !== false) and (strpos($treffer[1], "/posts") !== false))
$ignore = false;
if ((strpos($treffer[1], "//plus.google.com/") !== false) and (strpos($treffer[1], "/photos") !== false))
$ignore = false;
if (!$ignore)
$urls[$treffer[1]] = $treffer[1];
}
return($urls);
}
function html2plain($html, $wraplength = 75, $compact = false)
{
global $lang;
$message = str_replace("\r", "", $html);
// replace all hashtag addresses
if (get_config("system", "remove_hashtags_on_export")) {
$pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
$message = preg_replace($pattern, '#$2', $message);
}
$doc = new DOMDocument();
$doc->preserveWhiteSpace = false;
$message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8");
@$doc->loadHTML($message);
$xpath = new DomXPath($doc);
$list = $xpath->query("//pre");
foreach ($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 = preg_replace('= [\s]*=i', " ", $message);
// Collecting all links
$urls = collecturls($message);
@$doc->loadHTML($message);
node2bbcode($doc, 'html', array(), '', '');
node2bbcode($doc, 'body', array(), '', '');
// MyBB-Auszeichnungen
/*
node2bbcode($doc, 'span', array('style'=>'text-decoration: underline;'), '_', '_');
node2bbcode($doc, 'span', array('style'=>'font-style: italic;'), '/', '/');
node2bbcode($doc, 'span', array('style'=>'font-weight: bold;'), '*', '*');
node2bbcode($doc, 'strong', array(), '*', '*');
node2bbcode($doc, 'b', array(), '*', '*');
node2bbcode($doc, 'i', array(), '/', '/');
node2bbcode($doc, 'u', array(), '_', '_');
*/
if ($compact)
node2bbcode($doc, 'blockquote', array(), "»", "«");
else
node2bbcode($doc, 'blockquote', array(), '[quote]', "[/quote]\n");
node2bbcode($doc, 'br', array(), "\n", '');
node2bbcode($doc, 'span', array(), "", "");
node2bbcode($doc, 'pre', array(), "", "");
node2bbcode($doc, 'div', array(), "\r", "\r");
node2bbcode($doc, 'p', array(), "\n", "\n");
//node2bbcode($doc, 'ul', array(), "\n[list]", "[/list]\n");
//node2bbcode($doc, 'ol', array(), "\n[list=1]", "[/list]\n");
node2bbcode($doc, 'li', array(), "\n* ", "\n");
node2bbcode($doc, 'hr', array(), "\n".str_repeat("-", 70)."\n", "");
node2bbcode($doc, 'tr', array(), "\n", "");
node2bbcode($doc, 'td', array(), "\t", "");
node2bbcode($doc, 'h1', array(), "\n\n*", "*\n");
node2bbcode($doc, 'h2', array(), "\n\n*", "*\n");
node2bbcode($doc, 'h3', array(), "\n\n*", "*\n");
node2bbcode($doc, 'h4', array(), "\n\n*", "*\n");
node2bbcode($doc, 'h5', array(), "\n\n*", "*\n");
node2bbcode($doc, 'h6', array(), "\n\n*", "*\n");
// Problem: there is no reliable way to detect if it is a link to a tag or profile
//node2bbcode($doc, 'a', array('href'=>'/(.+)/'), ' $1 ', '', true);
node2bbcode($doc, 'a', array('href'=>'/(.+)/', 'rel'=>'oembed'), ' $1 ', '', true);
//node2bbcode($doc, 'img', array('alt'=>'/(.+)/'), '$1', '');
//node2bbcode($doc, 'img', array('title'=>'/(.+)/'), '$1', '');
//node2bbcode($doc, 'img', array(), '', '');
if (!$compact)
node2bbcode($doc, 'img', array('src'=>'/(.+)/'), ' [img]$1', '[/img] ');
else
node2bbcode($doc, 'img', array('src'=>'/(.+)/'), ' ', ' ');
node2bbcode($doc, 'iframe', array('src'=>'/(.+)/'), ' $1 ', '', true);
$message = $doc->saveHTML();
if (!$compact) {
$message = str_replace("[img]", "", $message);
$message = str_replace("[/img]", "", $message);
}
// was ersetze ich da?
// Irgendein stoerrisches UTF-Zeug
$message = str_replace(chr(194).chr(160), ' ', $message);
$message = str_replace("&nbsp;", " ", $message);
// Aufeinanderfolgende DIVs
$message = preg_replace('=\r *\r=i', "\n", $message);
$message = str_replace("\r", "\n", $message);
$message = strip_tags($message);
$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
if (!$compact AND ($message != "")) {
$counter = 1;
foreach ($urls as $id=>$url)
if ($url != "")
if (strpos($message, $url) === false)
$message .= "\n".$url." ";
//$message .= "\n[".($counter++)."] ".$url;
}
$message = str_replace("\n«", "«\n", $message);
$message = str_replace("»\n", "\n»", $message);
do {
$oldmessage = $message;
$message = str_replace("\n\n\n", "\n\n", $message);
} while ($oldmessage != $message);
$message = quotelevel(trim($message), $wraplength);
return(trim($message));
}
?>