X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fhtml2plain.php;h=626f5e45edd125444cd8383e3363355213bae511;hb=2f463dfb17ac1ca554bd935c2a6529c577a1c21f;hp=2a4cf663913720caeac1bd041c3b6b99f993c3ab;hpb=a33031634efef94c0985cd2517f10ccd36b40b5f;p=friendica.git

diff --git a/include/html2plain.php b/include/html2plain.php
index 2a4cf66391..626f5e45ed 100644
--- a/include/html2plain.php
+++ b/include/html2plain.php
@@ -1,11 +1,16 @@
 <?php
-require_once "html2bbcode.php";
 
-function breaklines($line, $level)
+require_once 'include/html2bbcode.php';
+
+function breaklines($line, $level, $wraplength = 75)
 {
-	$wraplen = 75-$level;
+	if ($wraplength == 0) {
+		$wraplength = 2000000;
+	}
+
+	$wraplen = $wraplength - $level;
 
-	$newlines = array();
+	$newlines = [];
 
 	do {
 		$oldline = $line;
@@ -14,63 +19,105 @@ function breaklines($line, $level)
 
 		$pos = strrpos($subline, ' ');
 
-		if ($pos == 0)
+		if ($pos == 0) {
 			$pos = strpos($line, ' ');
+		}
 
-		if (($pos > 0) and strlen($line) > $wraplen) {
+		if (($pos > 0) && strlen($line) > $wraplen) {
 			$newline = trim(substr($line, 0, $pos));
-			if ($level > 0)
-                		$newline = str_repeat(">", $level).' '.$newline;
+			if ($level > 0) {
+				$newline = str_repeat(">", $level) . ' ' . $newline;
+			}
 
-			$newlines[] = $newline." ";
-			$line = substr($line, $pos+1);
+			$newlines[] = $newline . " ";
+			$line = substr($line, $pos + 1);
 		}
+	} while ((strlen($line) > $wraplen) && !($oldline == $line));
 
-	} while ((strlen($line) > $wraplen) and !($oldline == $line));
-
-	if ($level > 0)
-		$line = str_repeat(">", $level).' '.$line;
+	if ($level > 0) {
+		$line = str_repeat(">", $level) . ' ' . $line;
+	}
 
 	$newlines[] = $line;
 
-
-	return(implode($newlines, "\n"));
+	return implode($newlines, "\n");
 }
 
-function quotelevel($message)
+function quotelevel($message, $wraplength = 75)
 {
 	$lines = explode("\n", $message);
 
-	$newlines = array();
+	$newlines = [];
 	$level = 0;
-	foreach($lines as $line) {;
+	foreach ($lines as $line) {
 		$line = trim($line);
 		$startquote = false;
-		while (strpos("*".$line, '[quote]') > 0) {
+		while (strpos("*" . $line, '[quote]') > 0) {
 			$level++;
 			$pos = strpos($line, '[quote]');
-			$line = substr($line, 0, $pos).substr($line, $pos+7);
+			$line = substr($line, 0, $pos) . substr($line, $pos + 7);
 			$startquote = true;
 		}
 
 		$currlevel = $level;
 
-		while (strpos("*".$line, '[/quote]') > 0) {
+		while (strpos("*" . $line, '[/quote]') > 0) {
 			$level--;
-			if ($level < 0)
+			if ($level < 0) {
 				$level = 0;
+			}
 
 			$pos = strpos($line, '[/quote]');
-			$line = substr($line, 0, $pos).substr($line, $pos+8);
+			$line = substr($line, 0, $pos) . substr($line, $pos + 8);
+		}
+
+		if (!$startquote || ($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);
+
+	$urls = [];
+	foreach ($result as $treffer) {
+		$ignore = false;
+
+		// A list of some links that should be ignored
+		$list = ["/user/", "/tag/", "/group/", "/profile/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/",
+			"//facebook.com/profile.php?id=", "//plus.google.com/", "//twitter.com/"];
+		foreach ($list as $listitem) {
+			if (strpos($treffer[1], $listitem) !== false) {
+				$ignore = true;
+			}
+		}
+
+		if ((strpos($treffer[1], "//twitter.com/") !== false) && (strpos($treffer[1], "/status/") !== false)) {
+			$ignore = false;
+		}
+
+		if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/posts") !== false)) {
+			$ignore = false;
+		}
+
+		if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/photos") !== false)) {
+			$ignore = false;
 		}
 
-		if (!$startquote or ($line != ''))
-			$newlines[] = breaklines($line, $currlevel);
+		if (!$ignore) {
+			$urls[$treffer[1]] = $treffer[1];
+		}
 	}
-	return(implode($newlines, "\n"));
+
+	return $urls;
 }
 
-function html2plain($html)
+function html2plain($html, $wraplength = 75, $compact = false)
 {
 	global $lang;
 
@@ -90,73 +137,82 @@ function html2plain($html)
 	}
 
 	$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);
 
-	// nach <a href="...">...</a> suchen, die ... miteinander vergleichen und bei Gleichheit durch ein einzelnes ... ersetzen.
-	$pattern = '/<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
-	preg_match_all($pattern, $message, $result, PREG_SET_ORDER);
+	// Collecting all links
+	$urls = collecturls($message);
 
-	foreach ($result as $treffer) {
-		if ($treffer[1] == $treffer[2]) {
-			$search = '<a href="'.$treffer[1].'" target="_blank">'.$treffer[1].'</a>';
-			$message = str_replace($search, $treffer[1], $message);
-		}
-	}
 	@$doc->loadHTML($message);
 
-	node2bbcode($doc, 'html', array(), '', '');
-	node2bbcode($doc, 'body', array(), '', '');
+	node2bbcode($doc, 'html', [], '', '');
+	node2bbcode($doc, 'body', [], '', '');
 
 	// 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($doc, 'u', array(), '_', '_');
-
-	node2bbcode($doc, 'blockquote', array(), '[quote]', "[/quote]\n");
+	/*
+	  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($doc, 'blockquote', [], "»", "«");
+	} else {
+		node2bbcode($doc, 'blockquote', [], '[quote]', "[/quote]\n");
+	}
 
-	node2bbcode($doc, 'br', array(), "\n", '');
+	node2bbcode($doc, 'br', [], "\n", '');
 
-	node2bbcode($doc, 'span', array(), "", "");
-	node2bbcode($doc, 'pre', array(), "", "");
-	node2bbcode($doc, 'div', array(), "\r", "\r");
-	node2bbcode($doc, 'p', array(), "\n", "\n");
+	node2bbcode($doc, 'span', [], "", "");
+	node2bbcode($doc, 'pre', [], "", "");
+	node2bbcode($doc, 'div', [], "\r", "\r");
+	node2bbcode($doc, 'p', [], "\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(), str_repeat("-", 70), "");
-
-	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");
+	node2bbcode($doc, 'li', [], "\n* ", "\n");
+
+	node2bbcode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", "");
+
+	node2bbcode($doc, 'tr', [], "\n", "");
+	node2bbcode($doc, 'td', [], "\t", "");
+
+	node2bbcode($doc, 'h1', [], "\n\n*", "*\n");
+	node2bbcode($doc, 'h2', [], "\n\n*", "*\n");
+	node2bbcode($doc, 'h3', [], "\n\n*", "*\n");
+	node2bbcode($doc, 'h4', [], "\n\n*", "*\n");
+	node2bbcode($doc, 'h5', [], "\n\n*", "*\n");
+	node2bbcode($doc, 'h6', [], "\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', ['src' => '/(.+)/'], ' [img]$1', '[/img] ');
+	} else {
+		node2bbcode($doc, 'img', ['src' => '/(.+)/'], ' ', ' ');
+	}
 
-	node2bbcode($doc, 'a', array('href'=>'/(.+)/'), ' $1', '', true);
-	node2bbcode($doc, 'img', array('alt'=>'/(.+)/'), '$1', '');
-	node2bbcode($doc, 'img', array('title'=>'/(.+)/'), '$1', '');
-	node2bbcode($doc, 'img', array(), '', '');
-	node2bbcode($doc, 'img', array('src'=>'/(.+)/'), '[img]$1', '[/img]');
+	node2bbcode($doc, 'iframe', ['src' => '/(.+)/'], ' $1 ', '');
 
 	$message = $doc->saveHTML();
 
-	$message = str_replace("[img]", "", $message);
-	$message = str_replace("[/img]", "", $message);
+	if (!$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(chr(194) . chr(160), ' ', $message);
 
 	$message = str_replace("&nbsp;", " ", $message);
 
@@ -168,13 +224,23 @@ function html2plain($html)
 
 	$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
 
+	if (!$compact && ($message != '')) {
+		foreach ($urls as $id => $url) {
+			if ($url != '' && strpos($message, $url) === false) {
+				$message .= "\n" . $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));
+	$message = quotelevel(trim($message), $wraplength);
 
-	return(trim($message));
+	return trim($message);
 }
-?>