247 lines
6.4 KiB
PHP
247 lines
6.4 KiB
PHP
<?php
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require_once 'include/html2bbcode.php';
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function breaklines($line, $level, $wraplength = 75)
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{
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if ($wraplength == 0) {
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$wraplength = 2000000;
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}
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$wraplen = $wraplength - $level;
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$newlines = [];
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do {
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$oldline = $line;
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$subline = substr($line, 0, $wraplen);
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$pos = strrpos($subline, ' ');
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if ($pos == 0) {
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$pos = strpos($line, ' ');
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}
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if (($pos > 0) && strlen($line) > $wraplen) {
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$newline = trim(substr($line, 0, $pos));
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if ($level > 0) {
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$newline = str_repeat(">", $level) . ' ' . $newline;
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}
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$newlines[] = $newline . " ";
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$line = substr($line, $pos + 1);
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}
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} while ((strlen($line) > $wraplen) && !($oldline == $line));
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if ($level > 0) {
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$line = str_repeat(">", $level) . ' ' . $line;
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}
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$newlines[] = $line;
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return implode($newlines, "\n");
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}
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function quotelevel($message, $wraplength = 75)
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{
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$lines = explode("\n", $message);
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$newlines = [];
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$level = 0;
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foreach ($lines as $line) {
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$line = trim($line);
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$startquote = false;
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while (strpos("*" . $line, '[quote]') > 0) {
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$level++;
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$pos = strpos($line, '[quote]');
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$line = substr($line, 0, $pos) . substr($line, $pos + 7);
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$startquote = true;
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}
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$currlevel = $level;
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while (strpos("*" . $line, '[/quote]') > 0) {
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$level--;
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if ($level < 0) {
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$level = 0;
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}
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$pos = strpos($line, '[/quote]');
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$line = substr($line, 0, $pos) . substr($line, $pos + 8);
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}
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if (!$startquote || ($line != '')) {
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$newlines[] = breaklines($line, $currlevel, $wraplength);
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}
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}
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return implode($newlines, "\n");
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}
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function collecturls($message)
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{
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$pattern = '/<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
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preg_match_all($pattern, $message, $result, PREG_SET_ORDER);
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$urls = [];
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foreach ($result as $treffer) {
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$ignore = false;
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// A list of some links that should be ignored
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$list = ["/user/", "/tag/", "/group/", "/profile/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/",
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"//facebook.com/profile.php?id=", "//plus.google.com/", "//twitter.com/"];
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foreach ($list as $listitem) {
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if (strpos($treffer[1], $listitem) !== false) {
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$ignore = true;
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}
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}
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if ((strpos($treffer[1], "//twitter.com/") !== false) && (strpos($treffer[1], "/status/") !== false)) {
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$ignore = false;
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}
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if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/posts") !== false)) {
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$ignore = false;
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}
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if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/photos") !== false)) {
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$ignore = false;
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}
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if (!$ignore) {
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$urls[$treffer[1]] = $treffer[1];
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}
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}
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return $urls;
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}
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function html2plain($html, $wraplength = 75, $compact = false)
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{
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global $lang;
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$message = str_replace("\r", "", $html);
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$doc = new DOMDocument();
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$doc->preserveWhiteSpace = false;
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$message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8");
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@$doc->loadHTML($message);
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$xpath = new DomXPath($doc);
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$list = $xpath->query("//pre");
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foreach ($list as $node) {
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$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
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}
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$message = $doc->saveHTML();
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$message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br>", " ", ""], $message);
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$message = preg_replace('= [\s]*=i', " ", $message);
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// Collecting all links
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$urls = collecturls($message);
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@$doc->loadHTML($message);
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node2bbcode($doc, 'html', [], '', '');
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node2bbcode($doc, 'body', [], '', '');
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// MyBB-Auszeichnungen
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/*
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node2bbcode($doc, 'span', array('style'=>'text-decoration: underline;'), '_', '_');
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node2bbcode($doc, 'span', array('style'=>'font-style: italic;'), '/', '/');
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node2bbcode($doc, 'span', array('style'=>'font-weight: bold;'), '*', '*');
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node2bbcode($doc, 'strong', array(), '*', '*');
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node2bbcode($doc, 'b', array(), '*', '*');
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node2bbcode($doc, 'i', array(), '/', '/');
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node2bbcode($doc, 'u', array(), '_', '_');
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*/
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if ($compact) {
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node2bbcode($doc, 'blockquote', [], "»", "«");
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} else {
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node2bbcode($doc, 'blockquote', [], '[quote]', "[/quote]\n");
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}
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node2bbcode($doc, 'br', [], "\n", '');
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node2bbcode($doc, 'span', [], "", "");
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node2bbcode($doc, 'pre', [], "", "");
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node2bbcode($doc, 'div', [], "\r", "\r");
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node2bbcode($doc, 'p', [], "\n", "\n");
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//node2bbcode($doc, 'ul', array(), "\n[list]", "[/list]\n");
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//node2bbcode($doc, 'ol', array(), "\n[list=1]", "[/list]\n");
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node2bbcode($doc, 'li', [], "\n* ", "\n");
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node2bbcode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", "");
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node2bbcode($doc, 'tr', [], "\n", "");
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node2bbcode($doc, 'td', [], "\t", "");
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node2bbcode($doc, 'h1', [], "\n\n*", "*\n");
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node2bbcode($doc, 'h2', [], "\n\n*", "*\n");
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node2bbcode($doc, 'h3', [], "\n\n*", "*\n");
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node2bbcode($doc, 'h4', [], "\n\n*", "*\n");
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node2bbcode($doc, 'h5', [], "\n\n*", "*\n");
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node2bbcode($doc, 'h6', [], "\n\n*", "*\n");
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// Problem: there is no reliable way to detect if it is a link to a tag or profile
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//node2bbcode($doc, 'a', array('href'=>'/(.+)/'), ' $1 ', ' ', true);
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//node2bbcode($doc, 'a', array('href'=>'/(.+)/', 'rel'=>'oembed'), ' $1 ', '', true);
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//node2bbcode($doc, 'img', array('alt'=>'/(.+)/'), '$1', '');
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//node2bbcode($doc, 'img', array('title'=>'/(.+)/'), '$1', '');
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//node2bbcode($doc, 'img', array(), '', '');
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if (!$compact) {
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node2bbcode($doc, 'img', ['src' => '/(.+)/'], ' [img]$1', '[/img] ');
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} else {
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node2bbcode($doc, 'img', ['src' => '/(.+)/'], ' ', ' ');
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}
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node2bbcode($doc, 'iframe', ['src' => '/(.+)/'], ' $1 ', '');
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$message = $doc->saveHTML();
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if (!$compact) {
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$message = str_replace("[img]", "", $message);
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$message = str_replace("[/img]", "", $message);
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}
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// was ersetze ich da?
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// Irgendein stoerrisches UTF-Zeug
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$message = str_replace(chr(194) . chr(160), ' ', $message);
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$message = str_replace(" ", " ", $message);
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// Aufeinanderfolgende DIVs
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$message = preg_replace('=\r *\r=i', "\n", $message);
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$message = str_replace("\r", "\n", $message);
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$message = strip_tags($message);
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$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
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if (!$compact && ($message != '')) {
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foreach ($urls as $id => $url) {
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if ($url != '' && strpos($message, $url) === false) {
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$message .= "\n" . $url . ' ';
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}
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}
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}
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$message = str_replace("\n«", "«\n", $message);
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$message = str_replace("»\n", "\n»", $message);
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do {
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$oldmessage = $message;
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$message = str_replace("\n\n\n", "\n\n", $message);
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} while ($oldmessage != $message);
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$message = quotelevel(trim($message), $wraplength);
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return trim($message);
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}
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