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Merge pull request #3271 from Hypolite/issue/#3189

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Fix Diaspora code blocks being mangled
This commit is contained in:
Tobias Diekershoff 2017-03-27 09:26:39 +02:00 committed by GitHub
commit 8580cd87a6
3 changed files with 52 additions and 45 deletions
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9
include/bb2diaspora.php
View file

@ -59,15 +59,6 @@ function diaspora2bb($s) {
$s = str_replace('#', '#', $s);
$search = array(" \n", "\n ");
$replace = array("\n", "\n");
do {
$oldtext = $s;
$s = str_replace($search, $replace, $s);
} while ($oldtext != $s);
$s = str_replace("\n\n", '<br>', $s);
$s = html2bbcode($s);
// protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands

35
include/html2bbcode.php
View file

@ -79,16 +79,25 @@ function node2bbcodesub(&$doc, $oldnode, $attributes, $startbb, $endbb)
return($replace);
}
function _replace_code_cb($m){
return "<code>".str_replace("\n","<br>\n",$m[1]). "</code>";
}
function html2bbcode($message)
{
$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) . ']';
$prefix = '[code]';
if ($matches[1] != '') {
$prefix = '[code=' . $matches[1] . ']';
}
$codeblocks[] = $prefix . $matches[2] . '[/code]';
return $return;
}
, $message);
$message = str_replace(array(
"<li><p>",
@ -232,7 +241,6 @@ function html2bbcode($message)
node2bbcode($doc, 'audio', array('src'=>'/(.+)/'), '[audio]$1', '[/audio]');
node2bbcode($doc, 'iframe', array('src'=>'/(.+)/'), '[iframe]$1', '[/iframe]');
node2bbcode($doc, 'code', array(), '[code]', '[/code]');
node2bbcode($doc, 'key', array(), '[code]', '[/code]');
$message = $doc->saveHTML();
@ -302,6 +310,19 @@ function html2bbcode($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);
return $message;
}
?>

51
mod/babel.php
View file

@ -1,78 +1,73 @@
<?php
require_once('include/bbcode.php');
require_once('library/markdown.php');
require_once('include/bb2diaspora.php');
require_once('include/html2bbcode.php');
require_once 'include/bbcode.php';
require_once 'library/markdown.php';
require_once 'include/bb2diaspora.php';
require_once 'include/html2bbcode.php';
function visible_lf($s) {
return str_replace("\n",'<br />', $s);
return str_replace("\n", '<br />', $s);
}
function babel_content(App $a) {
$o .= '<h1>Babel Diagnostic</h1>';
$o .= '<form action="babel" method="post">';
$o .= t('Source (bbcode) text:') . EOL . '<textarea name="text" >' . htmlspecialchars($_REQUEST['text']) .'</textarea>' . EOL;
$o .= t('Source (bbcode) text:') . EOL;
$o .= '<textarea name="text" cols="80" rows="10">' . htmlspecialchars($_REQUEST['text']) .'</textarea>' . EOL;
$o .= '<input type="submit" name="submit" value="Submit" /></form>';
$o .= '<br /><br />';
$o .= '<form action="babel" method="post">';
$o .= t('Source (Diaspora) text to convert to BBcode:') . EOL . '<textarea name="d2bbtext" >' . htmlspecialchars($_REQUEST['d2bbtext']) .'</textarea>' . EOL;
$o .= t('Source (Diaspora) text to convert to BBcode:') . EOL;
$o .= '<textarea name="d2bbtext" cols="80" rows="10">' . htmlspecialchars($_REQUEST['d2bbtext']) .'</textarea>' . EOL;
$o .= '<input type="submit" name="submit" value="Submit" /></form>';
$o .= '<br /><br />';
if(x($_REQUEST,'text')) {
if (x($_REQUEST, 'text')) {
$text = trim($_REQUEST['text']);
$o .= "<h2>" . t("Source input: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('Source input: ') . '</h2>' . EOL. EOL;
$o .= visible_lf($text) . EOL. EOL;
$html = bbcode($text);
$o .= "<h2>" . t("bb2html (raw HTML): ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2html (raw HTML): ') . '</h2>' . EOL. EOL;
$o .= htmlspecialchars($html). EOL. EOL;
//$html = bbcode($text);
$o .= "<h2>" . t("bb2html: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2html: ') . '</h2>' . EOL. EOL;
$o .= $html. EOL. EOL;
$bbcode = html2bbcode($html);
$o .= "<h2>" . t("bb2html2bb: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2html2bb: ') . '</h2>' . EOL. EOL;
$o .= visible_lf($bbcode) . EOL. EOL;
$diaspora = bb2diaspora($text);
$o .= "<h2>" . t("bb2md: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2md: ') . '</h2>' . EOL. EOL;
$o .= visible_lf($diaspora) . EOL. EOL;
$html = Markdown($diaspora);
$o .= "<h2>" . t("bb2md2html: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2md2html: ') . '</h2>' . EOL. EOL;
$o .= $html. EOL. EOL;
$bbcode = diaspora2bb($diaspora);
$o .= "<h2>" . t("bb2dia2bb: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2dia2bb: ') . '</h2>' . EOL. EOL;
$o .= visible_lf($bbcode) . EOL. EOL;
$bbcode = html2bbcode($html);
$o .= "<h2>" . t("bb2md2html2bb: ") . "</h2>" . EOL. EOL;
$o .= '<h2>' . t('bb2md2html2bb: ') . '</h2>' . EOL. EOL;
$o .= visible_lf($bbcode) . EOL. EOL;
}
if(x($_REQUEST,'d2bbtext')) {
if (x($_REQUEST, 'd2bbtext')) {
$d2bbtext = trim($_REQUEST['d2bbtext']);
$o .= "<h2>" . t("Source input (Diaspora format): ") . "</h2>" . EOL. EOL;
$o .= visible_lf($d2bbtext) . EOL. EOL;
$o .= '<h2>' . t('Source input (Diaspora format): ') . '</h2>' . EOL. EOL;
$o .= '<pre>' . $d2bbtext . '</pre>' . EOL. EOL;
$bb = diaspora2bb($d2bbtext);
$o .= "<h2>" . t("diaspora2bb: ") . "</h2>" . EOL. EOL;
$o .= visible_lf($bb) . EOL. EOL;
$o .= '<h2>' . t('diaspora2bb: ') . '</h2>' . EOL. EOL;
$o .= '<pre>' . $bb . '</pre>' . EOL. EOL;
}
return $o;