/* parse_blockquote • hanldes parsing of a blockquote fragment */
static size_t
parse_blockquote(struct buf *ob, struct render *rndr,
char *data, size_t size) {
size_t beg, end = 0, pre, work_size = 0;
char *work_data = 0;
struct buf *out = new_work_buffer(rndr);
beg = 0;
while (beg < size) {
for (end = beg + 1; end < size && data[end - 1] != '\n';
end += 1);
pre = prefix_quote(data + beg, end - beg);
if (pre) beg += pre; /* skipping prefix */
else if (is_empty(data + beg, end - beg)
&& (end >= size || (prefix_quote(data + end, size - end) == 0
&& !is_empty(data + end, size - end))))
/* empty line followed by non-quote line */
break;
if (beg < end) { /* copy into the in-place working buffer */
/* bufput(work, data + beg, end - beg); */
if (!work_data)
work_data = data + beg;
else if (data + beg != work_data + work_size)
memmove(work_data + work_size, data + beg,
end - beg);
work_size += end - beg; }
beg = end; }
parse_block(out, rndr, work_data, work_size);
if (rndr->make.blockquote)
rndr->make.blockquote(ob, out, rndr->make.opaque);
release_work_buffer(rndr, out);
return end; }
/* parse_block • parsing of one block, returning next char to parse */
static void
parse_block(struct buf *ob, struct render *rndr, char *data, size_t size)
{
size_t beg, end, i;
char *txt_data;
beg = 0;
if (rndr->work.size > rndr->max_nesting)
return;
while (beg < size) {
txt_data = data + beg;
end = size - beg;
if (data[beg] == '#')
beg += parse_atxheader(ob, rndr, txt_data, end);
else if (data[beg] == '<' && rndr->make.blockhtml &&
(i = parse_htmlblock(ob, rndr, txt_data, end, 1)) != 0)
beg += i;
else if ((i = is_empty(txt_data, end)) != 0)
beg += i;
else if (is_hrule(txt_data, end)) {
if (rndr->make.hrule)
rndr->make.hrule(ob, rndr->make.opaque);
while (beg < size && data[beg] != '\n')
beg++;
beg++;
}
else if ((rndr->ext_flags & MKDEXT_FENCED_CODE) != 0 &&
(i = parse_fencedcode(ob, rndr, txt_data, end)) != 0)
beg += i;
else if ((rndr->ext_flags & MKDEXT_TABLES) != 0 &&
(i = parse_table(ob, rndr, txt_data, end)) != 0)
beg += i;
else if (prefix_quote(txt_data, end))
beg += parse_blockquote(ob, rndr, txt_data, end);
else if (prefix_code(txt_data, end))
beg += parse_blockcode(ob, rndr, txt_data, end);
else if (prefix_uli(txt_data, end))
beg += parse_list(ob, rndr, txt_data, end, 0);
else if (prefix_oli(txt_data, end))
beg += parse_list(ob, rndr, txt_data, end, MKD_LIST_ORDERED);
else
beg += parse_paragraph(ob, rndr, txt_data, end);
}
}
/* parse_block • parsing of one block, returning next char to parse */
static void
parse_block(struct buf *ob, struct render *rndr,
char *data, size_t size) {
size_t beg, end, i;
char *txt_data;
int has_table = (rndr->make.table && rndr->make.table_row
&& rndr->make.table_cell);
if (rndr->work.size > rndr->make.max_work_stack) {
if (size) bufput(ob, data, size);
return; }
beg = 0;
while (beg < size) {
txt_data = data + beg;
end = size - beg;
if (data[beg] == '#')
beg += parse_atxheader(ob, rndr, txt_data, end);
else if (data[beg] == '<' && rndr->make.blockhtml
&& (i = parse_htmlblock(ob, rndr, txt_data, end)) != 0)
beg += i;
else if ((i = is_empty(txt_data, end)) != 0)
beg += i;
else if (is_hrule(txt_data, end)) {
if (rndr->make.hrule)
rndr->make.hrule(ob, rndr->make.opaque);
while (beg < size && data[beg] != '\n') beg += 1;
beg += 1; }
else if (prefix_quote(txt_data, end))
beg += parse_blockquote(ob, rndr, txt_data, end);
else if (prefix_code(txt_data, end))
beg += parse_blockcode(ob, rndr, txt_data, end);
else if (prefix_uli(txt_data, end))
beg += parse_list(ob, rndr, txt_data, end, 0);
else if (prefix_oli(txt_data, end))
beg += parse_list(ob, rndr, txt_data, end,
MKD_LIST_ORDERED);
else if (has_table && is_tableline(txt_data, end))
beg += parse_table(ob, rndr, txt_data, end);
else
beg += parse_paragraph(ob, rndr, txt_data, end); } }
