static cmark_node *try_opening_code_block(cmark_syntax_extension *self,
bool indented,
cmark_parser *parser,
cmark_node *parent,
const char *input)
{
cmark_node *ret = NULL;
cmark_bufsize_t matched = scan_open_gtkdoc_code_block(input,
cmark_parser_get_first_nonspace(parser));
if (!indented && matched) {
ret = cmark_parser_add_child(parser, parent,
CMARK_NODE_CODE_BLOCK, cmark_parser_get_offset(parser));
cmark_node_set_syntax_extension(ret, self);
cmark_node_set_fenced(ret, true, 2,
cmark_parser_get_first_nonspace(parser) - cmark_parser_get_offset(parser),
0);
cmark_parser_advance_offset(parser, input, matched, false);
matched = scan_language_comment(input, matched);
if (matched) {
cmark_strbuf *lang = cmark_strbuf_new(32);
cmark_strbuf_put(lang, (unsigned char *) input + 17, matched - 20);
/* Will be transformed to fence info */
cmark_node_set_string_content(ret, cmark_strbuf_get(lang));
cmark_strbuf_free(lang);
cmark_parser_advance_offset(parser, input, matched, false);
}
}
return ret;
}
static delimiter *insert(cmark_syntax_extension *self, cmark_parser *parser,
cmark_inline_parser *inline_parser, delimiter *opener,
delimiter *closer) {
cmark_node *strikethrough;
cmark_node *tmp, *next;
delimiter *delim, *tmp_delim;
delimiter *res = closer->next;
strikethrough = opener->inl_text;
if (!cmark_node_set_type(strikethrough, CMARK_NODE_STRIKETHROUGH))
goto done;
cmark_node_set_syntax_extension(strikethrough, self);
cmark_node_set_string_content(strikethrough, "~");
tmp = cmark_node_next(opener->inl_text);
while (tmp) {
if (tmp == closer->inl_text)
break;
next = cmark_node_next(tmp);
cmark_node_append_child(strikethrough, tmp);
tmp = next;
}
strikethrough->end_column = closer->inl_text->start_column + closer->inl_text->as.literal.len - 1;
cmark_node_free(closer->inl_text);
delim = closer;
while (delim != NULL && delim != opener) {
tmp_delim = delim->previous;
cmark_inline_parser_remove_delimiter(inline_parser, delim);
delim = tmp_delim;
}
cmark_inline_parser_remove_delimiter(inline_parser, opener);
done:
return res;
}