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Remove text highlighting from BBCode::convert

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- Move code blocks escaping from BBCode::toMarkdown to BBCode::convert
- Use "language-" class prefix for expected syntax highlighting
This commit is contained in:
Hypolite Petovan 2018-09-16 09:04:25 -04:00
parent 79d36b932b
commit d6adcb9734
3 changed files with 30 additions and 35 deletions
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62
src/Content/Text/BBCode.php
View file

@ -1227,6 +1227,22 @@ class BBCode extends BaseObject
return $return;
};
// Extracting multi-line code blocks before the whitespace processing
$codeblocks = [];
$text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
function ($matches) use (&$codeblocks) {
$return = $matches[0];
if (strpos($matches[2], "\n") !== false) {
$return = '#codeblock-' . count($codeblocks) . '#';
$codeblocks[] = '<pre><code class="language-' . trim($matches[1]) . '">' . trim($matches[2], "\n\r") . '</code></pre>';
}
return $return;
},
$text
);
// Hide all [noparse] contained bbtags by spacefying them
// POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
@ -1273,11 +1289,6 @@ class BBCode extends BaseObject
$text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $text);
}
// Check for [code] text here, before the linefeeds are messed with.
// The highlighter will unescape and re-escape the content.
if (strpos($text, '[code=') !== false) {
$text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'self::textHighlightCallback', $text);
}
// Convert new line chars to html <br /> tags
// nlbr seems to be hopelessly messed up
@ -1771,6 +1782,18 @@ class BBCode extends BaseObject
$text = self::interpolateSavedImagesIntoItemBody($text, $saved_image);
}
// Restore code blocks
$text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
function ($matches) use ($codeblocks) {
$return = $matches[0];
if (isset($codeblocks[intval($matches[1])])) {
$return = $codeblocks[$matches[1]];
}
return $return;
},
$text
);
// Clean up the HTML by loading and saving the HTML with the DOM.
// Bad structured html can break a whole page.
// For performance reasons do it only with ativated item cache or at export.
@ -1905,23 +1928,6 @@ class BBCode extends BaseObject
// 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 self::convert()
$codeblocks = [];
$text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
function ($matches) use (&$codeblocks) {
$return = $matches[0];
if (strpos($matches[2], "\n") !== false) {
$return = '#codeblock-' . count($codeblocks) . '#';
$prefix = '````' . $matches[1] . PHP_EOL;
$codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
}
return $return;
},
$text
);
// Convert it to HTML - don't try oembed
if ($for_diaspora) {
$text = self::convert($text, false, 3);
@ -1975,18 +1981,6 @@ class BBCode extends BaseObject
);
}
// 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
);
Addon::callHooks('bb2diaspora', $text);
return $text;

2
src/Content/Text/HTML.php
View file

@ -122,7 +122,7 @@ class HTML
// Removing code blocks before the whitespace removal processing below
$codeblocks = [];
$message = preg_replace_callback(
'#<pre><code(?: class="([^"]*)")?>(.*)</code></pre>#iUs',
'#<pre><code(?: class="language-([^"]*)")?>(.*)</code></pre>#iUs',
function ($matches) use (&$codeblocks) {
$return = '[codeblock-' . count($codeblocks) . ']';

1
src/Content/Text/Markdown.php
View file

@ -32,6 +32,7 @@ class Markdown extends BaseObject
$MarkdownParser = new MarkdownExtra();
$MarkdownParser->hard_wrap = $hardwrap;
$MarkdownParser->code_class_prefix = 'language-';
$html = $MarkdownParser->transform($text);
self::getApp()->save_timestamp($stamp1, "parser");