X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Ftab.c;h=db384bdfc93408b434b08211ac774c03f60251a4;hb=9be3ebc378cac9467044f7240b1c42ab1bfe01c2;hp=bb6b82a2da5e843e47b3ac123eb26d23caead909;hpb=bf3af6fb69dc94a6b3010e11e5d359e9e4abd5ba;p=pspp

diff --git a/src/output/tab.c b/src/output/tab.c
index bb6b82a2da..db384bdfc9 100644
--- a/src/output/tab.c
+++ b/src/output/tab.c
@@ -59,6 +59,9 @@ struct tab_joined_cell
         struct table_item *subtable;
       }
     u;
+
+    size_t n_footnotes;
+    char **footnotes;
   };
 
 static const struct table_class tab_table_class;
@@ -85,6 +88,7 @@ tab_create (int nc, int nr)
   table_set_nr (&t->table, nr);
 
   t->title = NULL;
+  t->caption = NULL;
   t->cf = nc;
   t->cc = pool_calloc (t->container, nr * nc, sizeof *t->cc);
   t->ct = pool_malloc (t->container, nr * nc);
@@ -544,6 +548,8 @@ add_joined_cell (struct tab_table *table, int x1, int y1, int x2, int y2,
   j->d[TABLE_VERT][0] = y1 + table->row_ofs;
   j->d[TABLE_HORZ][1] = ++x2 + table->col_ofs;
   j->d[TABLE_VERT][1] = ++y2 + table->row_ofs;
+  j->n_footnotes = 0;
+  j->footnotes = NULL;
 
   {
     void **cc = &table->cc[x1 + y1 * table->cf];
@@ -597,6 +603,32 @@ tab_joint_text_format (struct tab_table *table, int x1, int y1, int x2, int y2,
   add_joined_cell (table, x1, y1, x2, y2, opt)->u.text = s;
 }
 
+void
+tab_footnote (struct tab_table *table, int x, int y, const char *format, ...)
+{
+  int index = x + y * table->cf;
+  unsigned char opt = table->ct[index];
+  struct tab_joined_cell *j;
+  va_list args;
+
+  if (opt & TAB_JOIN)
+    j = table->cc[index];
+  else
+    {
+      char *text = table->cc[index];
+
+      j = add_joined_cell (table, x, y, x, y, table->ct[index]);
+      j->u.text = text ? text : xstrdup ("");
+    }
+
+  j->footnotes = xrealloc (j->footnotes,
+                           (j->n_footnotes + 1) * sizeof *j->footnotes);
+
+  va_start (args, format);
+  j->footnotes[j->n_footnotes++] = pool_vasprintf (table->container, format, args);
+  va_end (args);
+}
+
 static void
 subtable_unref (void *subtable)
 {
@@ -651,11 +683,24 @@ tab_title (struct tab_table *t, const char *title, ...)
   va_end (args);
 }
 
+/* Set the caption of table T to CAPTION, which is formatted as if
+   passed to printf(). */
+void
+tab_caption (struct tab_table *t, const char *caption, ...)
+{
+  va_list args;
+
+  free (t->caption);
+  va_start (args, caption);
+  t->caption = xvasprintf (caption, args);
+  va_end (args);
+}
+
 /* Easy, type-safe way to submit a tab table to som. */
 void
 tab_submit (struct tab_table *t)
 {
-  table_item_submit (table_item_create (&t->table, t->title));
+  table_item_submit (table_item_create (&t->table, t->title, t->caption));
 }
 
 /* Editing. */
@@ -739,6 +784,8 @@ tab_destroy (struct table *table)
   struct tab_table *t = tab_cast (table);
   free (t->title);
   t->title = NULL;
+  free (t->caption);
+  t->caption = NULL;
   pool_destroy (t->container);
 }
 
@@ -752,6 +799,7 @@ tab_get_cell (const struct table *table, int x, int y, struct table_cell *cell)
 
   cell->inline_contents.options = opt;
   cell->inline_contents.table = NULL;
+  cell->inline_contents.n_footnotes = 0;
   cell->destructor = NULL;
 
   if (opt & TAB_JOIN)
@@ -777,6 +825,9 @@ tab_get_cell (const struct table *table, int x, int y, struct table_cell *cell)
             cell->inline_contents.text = jc->u.text;
         }
 
+      cell->inline_contents.footnotes = jc->footnotes;
+      cell->inline_contents.n_footnotes = jc->n_footnotes;
+
       cell->d[TABLE_HORZ][0] = jc->d[TABLE_HORZ][0];
       cell->d[TABLE_HORZ][1] = jc->d[TABLE_HORZ][1];
       cell->d[TABLE_VERT][0] = jc->d[TABLE_VERT][0];