- return table->klass->get_rule (table, axis, x, y);
-}
-
-void
-cell_contents_format_footnote_markers (const struct cell_contents *c,
- struct string *s)
-{
- for (size_t i = 0; i < c->n_footnotes; i++)
- {
- if (i)
- ds_put_byte (s, ',');
- ds_put_cstr (s, c->footnotes[i]->marker);
- }
-}
-
-static const struct footnote **
-add_footnotes (const struct footnote **refs, size_t n_refs,
- const struct footnote **footnotes, size_t *allocated, size_t *n)
-{
- for (size_t i = 0; i < n_refs; i++)
- {
- const struct footnote *f = refs[i];
- if (f->idx >= *allocated)
- {
- size_t new_allocated = (f->idx + 1) * 2;
- footnotes = xrealloc (footnotes, new_allocated * sizeof *footnotes);
- while (*allocated < new_allocated)
- footnotes[(*allocated)++] = NULL;
- }
- footnotes[f->idx] = f;
- if (f->idx >= *n)
- *n = f->idx + 1;
- }
- return footnotes;
-}
-
-size_t
-table_collect_footnotes (const struct table_item *item,
- const struct footnote ***footnotesp)
-{
- const struct footnote **footnotes = NULL;
- size_t allocated = 0;
- size_t n = 0;
-
- struct table *t = item->table;
- for (int y = 0; y < table_nr (t); y++)
- {
- struct table_cell cell;
- for (int x = 0; x < table_nc (t); x = cell.d[TABLE_HORZ][1])
- {
- table_get_cell (t, x, y, &cell);
-
- if (x == cell.d[TABLE_HORZ][0] && y == cell.d[TABLE_VERT][0])
- for (size_t i = 0; i < cell.n_contents; i++)
- {
- const struct cell_contents *c = &cell.contents[i];
- footnotes = add_footnotes (c->footnotes, c->n_footnotes,
- footnotes, &allocated, &n);
- }
- table_cell_free (&cell);
- }
- }
-
- const struct table_item_text *title = table_item_get_title (item);
- if (title)
- footnotes = add_footnotes (title->footnotes, title->n_footnotes,
- footnotes, &allocated, &n);
-
- const struct table_item_text *caption = table_item_get_caption (item);
- if (caption)
- footnotes = add_footnotes (caption->footnotes, caption->n_footnotes,
- footnotes, &allocated, &n);
-
- *footnotesp = footnotes;
- return n;
-}
-\f
-struct table_unshared
- {
- struct table table;
- struct table *subtable;
- };
-
-static const struct table_class table_unshared_class;
-
-/* Takes ownership of TABLE and returns a table with the same contents but
- which is guaranteed not to be shared (as returned by table_is_shared()).
-
- If TABLE is unshared, just returns TABLE.
-
- The only real use for this function is to create a copy of TABLE in which
- the headers can be adjusted, which is a pretty specialized use case. */
-struct table *
-table_unshare (struct table *table)
-{
- if (!table_is_shared (table))
- return table;
- else
- {
- struct table_unshared *tiu = xmalloc (sizeof *tiu);
- table_init (&tiu->table, &table_unshared_class);
- table_set_nc (&tiu->table, table_nc (table));
- table_set_nr (&tiu->table, table_nr (table));
- table_set_hl (&tiu->table, table_hl (table));
- table_set_hr (&tiu->table, table_hr (table));
- table_set_ht (&tiu->table, table_ht (table));
- table_set_hb (&tiu->table, table_hb (table));
- tiu->subtable = table;
- return &tiu->table;
- }
-}
-
-static struct table_unshared *
-table_unshared_cast (const struct table *table)
-{
- assert (table->klass == &table_unshared_class);
- return UP_CAST (table, struct table_unshared, table);
-}
-
-static void
-table_unshared_destroy (struct table *tiu_)
-{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- table_unref (tiu->subtable);
- free (tiu);
-}
-
-static void
-table_unshared_get_cell (const struct table *tiu_, int x, int y,
- struct table_cell *cell)
-{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- table_get_cell (tiu->subtable, x, y, cell);
-}
-
-static int
-table_unshared_get_rule (const struct table *tiu_,
- enum table_axis axis, int x, int y)
-{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- return table_get_rule (tiu->subtable, axis, x, y);
-}
-
-static const struct table_class table_unshared_class =
- {
- table_unshared_destroy,
- table_unshared_get_cell,
- table_unshared_get_rule,
- NULL, /* paste */
- NULL, /* select */
- };
-\f
-struct table_string
- {
- struct table table;
- char *string;
- unsigned int options;
- };
-
-static const struct table_class table_string_class;
-
-/* Returns a table that contains a single cell, whose contents are S with
- options OPTIONS (a combination of TAB_* values). */
-struct table *
-table_from_string (unsigned int options, const char *s)
-{
- struct table_string *ts = xmalloc (sizeof *ts);
- table_init (&ts->table, &table_string_class);
- ts->table.n[TABLE_HORZ] = ts->table.n[TABLE_VERT] = 1;
- ts->string = xstrdup (s);
- ts->options = options;
- return &ts->table;
-}