static cmark_node *function_link_match(cmark_syntax_extension *self,
cmark_parser *parser,
cmark_node *parent,
cmark_inline_parser *inline_parser)
{
cmark_node *ret = NULL;
delimiter *tmp_delim;
int offset;
int start;
offset = cmark_inline_parser_get_offset(inline_parser);
if (offset == 0)
goto done;
if (cmark_inline_parser_peek_at(inline_parser, offset + 1) != ')')
goto done;
start = offset - 1;
if (!is_valid_c(cmark_inline_parser_peek_at(inline_parser, start)))
goto done;
while (start >= 0) {
unsigned char c = cmark_inline_parser_peek_at(inline_parser, start);
if (is_valid_c(c)) {
start -= 1;
} else {
break;
}
}
ret = fixup_nodes(inline_parser, parent, offset - start - 1);
if (!ret)
goto done;
tmp_delim = cmark_inline_parser_get_last_delimiter(inline_parser);
while (tmp_delim) {
delimiter *prev = tmp_delim->previous;
if (tmp_delim->position < start + 1) {
break;
}
cmark_inline_parser_remove_delimiter(inline_parser, tmp_delim);
tmp_delim = prev;
}
cmark_inline_parser_advance_offset(inline_parser);
cmark_inline_parser_advance_offset(inline_parser);
done:
return ret;
}
static int is_valid_c_or_dbus(ParsingContext *context, int c, int pos) {
if (is_valid_c(c, pos, context))
return 1;
if (c == '.') {
char nc = cmark_inline_parser_peek_at(context->parser, pos + 1);
if (!nc || is_valid_c(nc, pos + 1, context))
return 0;
if (pos > 0) {
nc = cmark_inline_parser_peek_at(context->parser, pos - 1);
return is_valid_c(nc, pos + 1, context);
}
return 1;
}
return 0;
}
static int is_valid_symbol_name(int c, int pos, ParsingContext *context) {
if (is_valid_c(c, pos, context))
return 1;
if (c == ':' || c == '-' || c == '.') {
char nc = cmark_inline_parser_peek_at(context->parser, pos + 1);
if (c == ':')
context->allow_dashes = 1;
else if (c == '-' && !context->allow_dashes)
return 0;
return (nc && is_valid_symbol_name(nc, pos + 1, context));
}
return 0;
}
static int is_valid_symbol_name(int c) {
return is_valid_c(c) || c == ':';
}
