LibMarkdown: Change internal MD API to return OwnPtrs

Previously, all Markdown blocks had a virtual parse method which has
been swapped out for a static parse method returning an OwnPtr of
that block's type.

The Text class also now has a static parse method that will return an
Optional<Text>.

1 files changed, 6 insertions, 3 deletions

diff --git a/Applications/Help/main.cpp b/Applications/Help/main.cpp
index ffe41c3e69..903f23e5b5 100644
--- a/Applications/Help/main.cpp
+++ b/Applications/Help/main.cpp
@@ -128,10 +128,13 @@ int main(int argc, char* argv[])
         auto buffer = file->read_all();
         StringView source { (const char*)buffer.data(), buffer.size() };
 
-        auto md_document = Markdown::Document::parse(source);
-        ASSERT(md_document);
+        String html;
+        {
+            auto md_document = Markdown::Document::parse(source);
+            ASSERT(md_document);
+            html = md_document->render_to_html();
+        }
 
-        String html = md_document->render_to_html();
         auto html_document = Web::parse_html_document(html);
         page_view.set_document(html_document);