entire page can overflow on all four sides!) */
struct hmap overflows;
- /* Contains "struct render_footnote"s, one for each cell with one or more
- footnotes.
-
- 'n_footnotes' is the number of footnotes in the table. There might be
- more than hmap_count(&page->footnotes) because there can be more than
- one footnote in a cell. */
- struct hmap footnotes;
- size_t n_footnotes;
-
/* If a single column (or row) is too wide (or tall) to fit on a page
reasonably, then render_break_next() will split a single row or column
across multiple render_pages. This member indicates when this has
return NULL;
}
\f
-/* A footnote. */
-struct render_footnote
- {
- struct hmap_node node;
-
- /* The area of the table covered by the cell that has the footnote.
-
- d[H][0] is the leftmost column.
- d[H][1] is the rightmost column, plus 1.
- d[V][0] is the top row.
- d[V][1] is the bottom row, plus 1.
-
- The cell in its original table might occupy a larger region. This
- member reflects the size of the cell in the current render_page, after
- trimming off any rows or columns due to page-breaking. */
- int d[TABLE_N_AXES][2];
-
- /* The index of the first footnote in the cell. */
- int idx;
- };
-
-static int
-count_footnotes (const struct table_cell *cell)
-{
- size_t i;
- int n;
-
- n = 0;
- for (i = 0; i < cell->n_contents; i++)
- n += cell->contents[i].n_footnotes;
- return n;
-}
-
-static int
-find_footnote_idx (const struct table_cell *cell, const struct hmap *footnotes)
-{
- const struct render_footnote *f;
-
- if (!count_footnotes (cell))
- return 0;
-
- HMAP_FOR_EACH_WITH_HASH (f, struct render_footnote, node,
- hash_cell (cell->d[H][0], cell->d[V][0]), footnotes)
- if (f->d[H][0] == cell->d[H][0] && f->d[V][0] == cell->d[V][0])
- return f->idx;
-
- NOT_REACHED ();
-}
-\f
/* Row or column dimensions. Used to figure the size of a table in
render_page_create() and discarded after that. */
struct render_row
}
hmap_init (&page->overflows);
- hmap_init (&page->footnotes);
- page->n_footnotes = 0;
memset (page->is_edge_cutoff, 0, sizeof page->is_edge_cutoff);
return page;
struct render_row *rows;
int table_widths[2];
int *rules[TABLE_N_AXES];
- struct hmap footnotes;
- int footnote_idx;
int nr, nc;
int x, y;
int i;
}
/* Calculate minimum and maximum widths of cells that do not
- span multiple columns. Assign footnote markers. */
- hmap_init (&footnotes);
- footnote_idx = 0;
+ span multiple columns. */
for (i = 0; i < 2; i++)
columns[i] = xzalloc (nc * sizeof *columns[i]);
for (y = 0; y < nr; y++)
table_get_cell (table, x, y, &cell);
if (y == cell.d[V][0])
{
- int n;
-
if (table_cell_colspan (&cell) == 1)
{
int w[2];
int i;
- params->measure_cell_width (params->aux, &cell, footnote_idx,
+ params->measure_cell_width (params->aux, &cell,
&w[MIN], &w[MAX]);
for (i = 0; i < 2; i++)
if (columns[i][x].unspanned < w[i])
columns[i][x].unspanned = w[i];
}
-
- n = count_footnotes (&cell);
- if (n > 0)
- {
- struct render_footnote *f = xmalloc (sizeof *f);
- f->d[H][0] = cell.d[H][0];
- f->d[H][1] = cell.d[H][1];
- f->d[V][0] = cell.d[V][0];
- f->d[V][1] = cell.d[V][1];
- f->idx = footnote_idx;
- hmap_insert (&footnotes, &f->node, hash_cell (x, y));
-
- footnote_idx += n;
- }
}
x = cell.d[H][1];
table_cell_free (&cell);
{
int w[2];
- params->measure_cell_width (params->aux, &cell,
- find_footnote_idx (&cell, &footnotes),
- &w[MIN], &w[MAX]);
+ params->measure_cell_width (params->aux, &cell, &w[MIN], &w[MAX]);
for (i = 0; i < 2; i++)
distribute_spanned_width (w[i], &columns[i][cell.d[H][0]],
rules[H], table_cell_colspan (&cell));
if (table_cell_rowspan (&cell) == 1)
{
int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
- int h = params->measure_cell_height (
- params->aux, &cell, find_footnote_idx (&cell, &footnotes), w);
+ int h = params->measure_cell_height (params->aux, &cell, w);
if (h > r->unspanned)
r->unspanned = r->width = h;
}
if (y == cell.d[V][0] && table_cell_rowspan (&cell) > 1)
{
int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
- int h = params->measure_cell_height (
- params->aux, &cell, find_footnote_idx (&cell, &footnotes), w);
+ int h = params->measure_cell_height (params->aux, &cell, w);
distribute_spanned_width (h, &rows[cell.d[V][0]], rules[V],
table_cell_rowspan (&cell));
}
}
}
- hmap_swap (&page->footnotes, &footnotes);
- hmap_destroy (&footnotes);
- page->n_footnotes = footnote_idx;
-
free (rules[H]);
free (rules[V]);
}
}
- page->params->draw_cell (page->params->aux, cell,
- find_footnote_idx (cell, &page->footnotes), bb, clip);
+ page->params->draw_cell (page->params->aux, cell, bb, clip);
}
/* Draws the cells of PAGE indicated in BB. */
table_get_cell (page->table, x, z, &cell);
w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
better_pixel = page->params->adjust_break (
- page->params->aux, &cell,
- find_footnote_idx (&cell, &page->footnotes), w, pixel);
+ page->params->aux, &cell, w, pixel);
x = cell.d[H][1];
table_cell_free (&cell);
}
static void
-add_footnote_page (struct render_pager *p, const struct render_page *body)
+add_footnote_page (struct render_pager *p, const struct table_item *item)
{
- const struct table *table = body->table;
- int nc = table_nc (table);
- int nr = table_nr (table);
- int footnote_idx = 0;
- struct tab_table *t;
- int x, y;
-
- if (!body->n_footnotes)
+ const struct footnote **f;
+ size_t n_footnotes = table_collect_footnotes (item, &f);
+ if (!n_footnotes)
return;
- t = tab_create (2, body->n_footnotes);
- for (y = 0; y < nr; y++)
- for (x = 0; x < nc; )
- {
- struct table_cell cell;
+ struct tab_table *t = tab_create (2, n_footnotes);
- table_get_cell (table, x, y, &cell);
- if (y == cell.d[V][0])
- {
- size_t i;
-
- for (i = 0; i < cell.n_contents; i++)
- {
- const struct cell_contents *cc = &cell.contents[i];
- size_t j;
-
- for (j = 0; j < cc->n_footnotes; j++)
- {
- const char *f = cc->footnotes[j];
-
- tab_text (t, 0, footnote_idx, TAB_LEFT, "");
- tab_footnote (t, 0, footnote_idx, "(none)");
- tab_text (t, 1, footnote_idx, TAB_LEFT, f);
- footnote_idx++;
- }
- }
- }
- x = cell.d[H][1];
- table_cell_free (&cell);
+ for (size_t i = 0; i < n_footnotes; i++)
+ if (f[i])
+ {
+ tab_text (t, 0, i, TAB_LEFT, "");
+ tab_add_footnote (t, 0, i, f[i]);
+ tab_text (t, 1, i, TAB_LEFT, f[i]->content);
}
render_pager_add_table (p, &t->table);
+
+ free (f);
+}
+
+static void
+add_text_page (struct render_pager *p, const struct table_item_text *t)
+{
+ if (!t)
+ return;
+
+ struct tab_table *tab = tab_create (1, 1);
+ tab_text (tab, 0, 0, TAB_LEFT, t->content);
+ for (size_t i = 0; i < t->n_footnotes; i++)
+ tab_add_footnote (tab, 0, 0, t->footnotes[i]);
+ render_pager_add_table (p, &tab->table);
}
/* Creates and returns a new render_pager for rendering TABLE_ITEM on the
render_pager_create (const struct render_params *params,
const struct table_item *table_item)
{
- const char *caption = table_item_get_caption (table_item);
- const char *title = table_item_get_title (table_item);
- const struct render_page *body_page;
struct render_pager *p;
p = xzalloc (sizeof *p);
p->params = params;
/* Title. */
- if (title)
- render_pager_add_table (p, table_from_string (TAB_LEFT, title));
+ add_text_page (p, table_item_get_title (table_item));
/* Body. */
- body_page = render_pager_add_table (p, table_ref (table_item_get_table (
- table_item)));
+ render_pager_add_table (p, table_ref (table_item_get_table (table_item)));
/* Caption. */
- if (caption)
- render_pager_add_table (p, table_from_string (TAB_LEFT, caption));
+ add_text_page (p, table_item_get_caption (table_item));
/* Footnotes. */
- add_footnote_page (p, body_page);
+ add_footnote_page (p, table_item);
render_pager_start_page (p);
render_page_select (const struct render_page *page, enum table_axis axis,
int z0, int p0, int z1, int p1)
{
- const struct render_footnote *f;
struct render_page_selection s;
enum table_axis a = axis;
enum table_axis b = !a;
table_cell_free (&cell);
}
- /* Copy footnotes from PAGE into subpage. */
- HMAP_FOR_EACH (f, struct render_footnote, node, &page->footnotes)
- if ((f->d[a][0] >= z0 && f->d[a][0] < z1)
- || (f->d[a][1] - 1 >= z0 && f->d[a][1] - 1 < z1))
- {
- struct render_footnote *nf = xmalloc (sizeof *nf);
- nf->d[a][0] = MAX (z0, f->d[a][0]) - z0 + page->h[a][0];
- nf->d[a][1] = MIN (z1, f->d[a][1]) - z0 + page->h[a][0];
- nf->d[b][0] = f->d[b][0];
- nf->d[b][1] = f->d[b][1];
- nf->idx = f->idx;
- hmap_insert (&subpage->footnotes, &nf->node,
- hash_cell (nf->d[H][0], nf->d[V][0]));
- }
-
return subpage;
}
projects / pspp / blobdiff