Rearrange struct cmark_node

Introduce multi-purpose data/len members in struct cmark_node. This
is mainly used to store literal text for inlines, code and HTML blocks.

Move the content strbuf for blocks from cmark_node to cmark_parser.
When finalizing nodes that allow inlines (paragraphs and headings),
detach the strbuf and store the block content in the node's data/len
members. Free the block content after processing inlines.

Reduces size of struct cmark_node by 8 bytes.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/parser.h b/src/parser.h
index f41f099..8f6c694 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -29,6 +29,7 @@ struct cmark_parser {
   cmark_strbuf curline;
   bufsize_t last_line_length;
   cmark_strbuf linebuf;
+  cmark_strbuf content;
   int options;
   bool last_buffer_ended_with_cr;
 };