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Simplify HTML::toPlaintext

- Keep new lines in plain text output
This commit is contained in:
Hypolite Petovan 2019-05-27 12:01:48 -04:00
parent cbca26d185
commit 596b5b0982

View file

@ -567,7 +567,13 @@ class HTML
return $urls; return $urls;
} }
public static function toPlaintext($html, $wraplength = 75, $compact = false) /**
* @param string $html
* @param int $wraplength Ensures individual lines aren't longer than this many characters. Doesn't break words.
* @param bool $compact True: Completely strips image tags; False: Keeps image URLs
* @return string
*/
public static function toPlaintext(string $html, $wraplength = 75, $compact = false)
{ {
$message = str_replace("\r", "", $html); $message = str_replace("\r", "", $html);
@ -578,15 +584,9 @@ class HTML
@$doc->loadHTML($message); @$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 = $doc->saveHTML();
$message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br>", " ", ""], $message); // Remove eventual UTF-8 BOM
$message = preg_replace('= [\s]*=i', " ", $message); $message = str_replace("\xC3\x82\xC2\xA0", "", $message);
// Collecting all links // Collecting all links
$urls = self::collectURLs($message); $urls = self::collectURLs($message);
@ -596,18 +596,6 @@ class HTML
self::tagToBBCode($doc, 'html', [], '', ''); self::tagToBBCode($doc, 'html', [], '', '');
self::tagToBBCode($doc, 'body', [], '', ''); self::tagToBBCode($doc, 'body', [], '', '');
// MyBB-Auszeichnungen
/*
self::node2BBCode($doc, 'span', array('style'=>'text-decoration: underline;'), '_', '_');
self::node2BBCode($doc, 'span', array('style'=>'font-style: italic;'), '/', '/');
self::node2BBCode($doc, 'span', array('style'=>'font-weight: bold;'), '*', '*');
self::node2BBCode($doc, 'strong', array(), '*', '*');
self::node2BBCode($doc, 'b', array(), '*', '*');
self::node2BBCode($doc, 'i', array(), '/', '/');
self::node2BBCode($doc, 'u', array(), '_', '_');
*/
if ($compact) { if ($compact) {
self::tagToBBCode($doc, 'blockquote', [], "»", "«"); self::tagToBBCode($doc, 'blockquote', [], "»", "«");
} else { } else {
@ -621,8 +609,6 @@ class HTML
self::tagToBBCode($doc, 'div', [], "\r", "\r"); self::tagToBBCode($doc, 'div', [], "\r", "\r");
self::tagToBBCode($doc, 'p', [], "\n", "\n"); self::tagToBBCode($doc, 'p', [], "\n", "\n");
//self::node2BBCode($doc, 'ul', array(), "\n[list]", "[/list]\n");
//self::node2BBCode($doc, 'ol', array(), "\n[list=1]", "[/list]\n");
self::tagToBBCode($doc, 'li', [], "\n* ", "\n"); self::tagToBBCode($doc, 'li', [], "\n* ", "\n");
self::tagToBBCode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", ""); self::tagToBBCode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", "");
@ -637,12 +623,6 @@ class HTML
self::tagToBBCode($doc, 'h5', [], "\n\n*", "*\n"); self::tagToBBCode($doc, 'h5', [], "\n\n*", "*\n");
self::tagToBBCode($doc, 'h6', [], "\n\n*", "*\n"); self::tagToBBCode($doc, 'h6', [], "\n\n*", "*\n");
// Problem: there is no reliable way to detect if it is a link to a tag or profile
//self::node2BBCode($doc, 'a', array('href'=>'/(.+)/'), ' $1 ', ' ', true);
//self::node2BBCode($doc, 'a', array('href'=>'/(.+)/', 'rel'=>'oembed'), ' $1 ', '', true);
//self::node2BBCode($doc, 'img', array('alt'=>'/(.+)/'), '$1', '');
//self::node2BBCode($doc, 'img', array('title'=>'/(.+)/'), '$1', '');
//self::node2BBCode($doc, 'img', array(), '', '');
if (!$compact) { if (!$compact) {
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' [img]$1', '[/img] '); self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' [img]$1', '[/img] ');
} else { } else {