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FIX Make ShortcodeParser#parse passthrough not error on invalid HTML

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This commit is contained in:
Hamish Friedlander 2013-02-20 10:35:06 +13:00
parent 5bbf94d2f4
commit cbef44b8d6
1 changed files with 30 additions and 6 deletions
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34
parsers/ShortcodeParser.php
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@ -456,6 +456,31 @@ class ShortcodeParser {
$this->removeNode($node);
}
protected function loadHTML($html) {
require_once(THIRDPARTY_PATH.'/html5lib/HTML5/Parser.php');
// Convert any errors to exceptions
set_error_handler(
function($no, $str){
throw new Exception("HTML Parse Error: ".$str);
},
error_reporting()
);
// Use HTML5lib to parse the HTML fragment
try {
$bases = HTML5_Parser::parseFragment(trim($html), 'div');
}
catch (Exception $e) {
$bases = null;
}
// Disable our error handler (restoring to previous value)
restore_error_handler();
return $bases;
}
/**
* Parse a string, and replace any registered shortcodes within it with the result of the mapped callback.
*
@ -474,8 +499,7 @@ class ShortcodeParser {
list($content, $tags) = $this->replaceElementTagsWithMarkers($content);
// Now parse the result into a DOM
require_once(THIRDPARTY_PATH.'/html5lib/HTML5/Parser.php');
$bases = HTML5_Parser::parseFragment(trim($content), 'div');
$bases = $this->loadHTML($content);
// If we couldn't parse the HTML, error out
if (!$bases || !$bases->length) {
@ -488,8 +512,8 @@ class ShortcodeParser {
}
$res = '';
$html = $bases->item(0)->parentNode;
$doc = $html->ownerDocument;
$container = $bases->item(0)->parentNode;
$doc = $container->ownerDocument;
$xp = new DOMXPath($doc);
@ -526,7 +550,7 @@ class ShortcodeParser {
$this->replaceMarkerWithContent($shortcode, $tag);
}
foreach($html->childNodes as $child) $res .= $doc->saveHTML($child);
foreach($container->childNodes as $child) $res .= $doc->saveHTML($child);
return $res;
}