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Add an enter_* callbacks for widget toolkit consumers #79

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20 changes: 19 additions & 1 deletion src/markdown.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1510,6 +1510,8 @@ parse_blockquote(struct buf *ob, struct sd_markdown *rndr, uint8_t *data, size_t
beg = end;
}

if (rndr->cb.enter_blockquote)
rndr->cb.enter_blockquote(ob, rndr->opaque);
parse_block(out, rndr, work_data, work_size);
if (rndr->cb.blockquote)
rndr->cb.blockquote(ob, out, rndr->opaque);
Expand Down Expand Up @@ -1745,6 +1747,9 @@ parse_listitem(struct buf *ob, struct sd_markdown *rndr, uint8_t *data, size_t s
while (end < size && data[end - 1] != '\n')
end++;

if (rndr->cb.enter_listitem)
rndr->cb.enter_listitem(ob, rndr->opaque);

/* getting working buffers */
work = rndr_newbuf(rndr, BUFFER_SPAN);
inter = rndr_newbuf(rndr, BUFFER_SPAN);
Expand Down Expand Up @@ -1865,6 +1870,9 @@ parse_list(struct buf *ob, struct sd_markdown *rndr, uint8_t *data, size_t size,
struct buf *work = 0;
size_t i = 0, j;

if (rndr->cb.enter_list)
rndr->cb.enter_list(ob, rndr->opaque);

work = rndr_newbuf(rndr, BUFFER_BLOCK);

while (i < size) {
Expand Down Expand Up @@ -2092,6 +2100,9 @@ parse_table_row(
if (!rndr->cb.table_cell || !rndr->cb.table_row)
return;

if (rndr->cb.enter_table_row)
rndr->cb.enter_table_row(ob, header_flag, rndr->opaque);

row_work = rndr_newbuf(rndr, BUFFER_SPAN);

if (i < size && data[i] == '|')
Expand All @@ -2101,6 +2112,9 @@ parse_table_row(
size_t cell_start, cell_end;
struct buf *cell_work;

if (rndr->cb.enter_table_cell)
rndr->cb.enter_table_cell(ob, header_flag, rndr->opaque);

cell_work = rndr_newbuf(rndr, BUFFER_SPAN);

while (i < size && _isspace(data[i]))
Expand All @@ -2125,6 +2139,8 @@ parse_table_row(

cols_left = columns - col;
if (cols_left > 0) {
if (rndr->cb.enter_table_cell)
rndr->cb.enter_table_cell(ob, header_flag, rndr->opaque);
struct buf empty_cell = { 0, 0, 0, 0 };
rndr->cb.table_cell(row_work, &empty_cell, col_data[col] | header_flag, rndr->opaque, cols_left);
}
Expand Down Expand Up @@ -2215,6 +2231,9 @@ parse_table_header(
if (col < *columns)
return 0;

if (rndr->cb.enter_table)
rndr->cb.enter_table(ob, rndr->opaque);

parse_table_row(
ob, rndr, data,
header_end,
Expand Down Expand Up @@ -2246,7 +2265,6 @@ parse_table(

i = parse_table_header(header_work, rndr, data, size, &columns, &col_data);
if (i > 0) {

while (i < size) {
size_t row_start;
int pipes = 0;
Expand Down
8 changes: 8 additions & 0 deletions src/markdown.h
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,14 @@ struct sd_callbacks {
/* header and footer */
void (*doc_header)(struct buf *ob, void *opaque);
void (*doc_footer)(struct buf *ob, void *opaque);

/* enter_X callbacks for use in widget toolkits */
void (*enter_blockquote)(struct buf *ob, void *opaque);
void (*enter_list)(struct buf *ob, void *opaque);
void (*enter_listitem)(struct buf *ob, void *opaque);
void (*enter_table)(struct buf *ob, void *opaque);
void (*enter_table_row)(struct buf *ob, int header_flags, void *opaque);
void (*enter_table_cell)(struct buf *ob, int header_flags, void *opaque);
};

struct sd_markdown;
Expand Down