<?php
-require_once 'include/oembed.php';
-require_once 'include/event.php';
-require_once 'library/markdown.php';
-require_once 'include/html2bbcode.php';
-require_once 'include/bbcode.php';
-require_once 'library/html-to-markdown/HTML_To_Markdown.php';
+use League\HTMLToMarkdown\HtmlConverter;
+
+require_once "include/oembed.php";
+require_once "include/event.php";
+require_once "library/markdown.php";
+require_once "include/html2bbcode.php";
+require_once "include/bbcode.php";
/**
* @brief Callback function to replace a Diaspora style mention in a mention for Friendica
return $mention;
}
+/**
+ * @brief Converts a BBCode text into Markdown
+ *
+ * This function converts a BBCode item body to be sent to Markdown-enabled
+ * systems like Diaspora and Libertree
+ *
+ * @param string $Text
+ * @param bool $preserve_nl Effects unclear, unused in Friendica
+ * @param bool $fordiaspora Diaspora requires more changes than Libertree
+ * @return string
+ */
function bb2diaspora($Text, $preserve_nl = false, $fordiaspora = true) {
-
$a = get_app();
$OriginalText = $Text;
* Transform #tags, strip off the [url] and replace spaces with underscore
*/
$URLSearchString = "^\[\]";
- $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
- 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
- ), $Text);
+ $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
+ function ($matches) {
+ return '#' . str_replace(' ', '_', $matches[2]);
+ }
+ , $Text);
// Converting images with size parameters to simple images. Markdown doesn't know it.
$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
+ // Extracting multi-line code blocks before the whitespace processing/code highlighter in bbcode()
+ $codeblocks = [];
+ $Text = preg_replace_callback('#\[code(?:=([^\]]*))?\](?=\n)(.*?)\[\/code\]#is',
+ function ($matches) use (&$codeblocks) {
+ $return = '#codeblock-' . count($codeblocks) . '#';
+
+ $prefix = '````' . $matches[1] . PHP_EOL;
+ $codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
+ return $return;
+ }
+ , $Text);
+
// Convert it to HTML - don't try oembed
if ($fordiaspora) {
$Text = bbcode($Text, $preserve_nl, false, 3);
$tagline = "";
foreach ($tags[2] as $tag) {
$tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
- if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), "#" . $tag)) {
- $tagline .= "#" . $tag . " ";
+ if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
+ $tagline .= '#' . $tag . ' ';
}
}
$Text = $Text." ".$tagline;
}
-
} else {
$Text = bbcode($Text, $preserve_nl, false, 4);
}
// mask some special HTML chars from conversation to markdown
- $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
+ $Text = str_replace(array('<', '>', '&'), array('&_lt_;', '&_gt_;', '&_amp_;'), $Text);
// If a link is followed by a quote then there should be a newline before it
// Maybe we should make this newline at every time before a quote.
$stamp1 = microtime(true);
// Now convert HTML to Markdown
- $Text = new HTML_To_Markdown($Text);
+ $converter = new HtmlConverter();
+ $Text = $converter->convert($Text);
// unmask the special chars back to HTML
- $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
+ $Text = str_replace(array('&_lt_;', '&_gt_;', '&_amp_;'), array('<', '>', '&'), $Text);
$a->save_timestamp($stamp1, "parser");
$Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
}
+ // Restore code blocks
+ $Text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
+ function ($matches) use ($codeblocks) {
+ $return = '';
+ if (isset($codeblocks[intval($matches[1])])) {
+ $return = $codeblocks[$matches[1]];
+ }
+ return $return;
+ }
+ , $Text);
+
call_hooks('bb2diaspora',$Text);
return $Text;
}
function unescape_underscores_in_links($m) {
- $y = str_replace('\\_','_', $m[2]);
- return '[' . $m[1] . '](' . $y . ')';
+ $y = str_replace('\\_', '_', $m[2]);
+ return('[' . $m[1] . '](' . $y . ')');
}
function format_event_diaspora($ev) {