Add support for reading and writing SPV files.

[pspp] / src / output / table-item.c

diff --git a/src/output/table-item.c b/src/output/table-item.c
index 645d8ca45f71c8387e675c6f518dce71937d8cd7..a1595479bbf5bde005fc9734085b471e8f5c0cff 100644 (file)
--- a/src/output/table-item.c
+++ b/src/output/table-item.c
@@ -24,6 +24,7 @@
 #include "libpspp/cast.h"
 #include "output/driver.h"
 #include "output/output-item-provider.h"
+#include "output/pivot-table.h"
 #include "output/table-item.h"
 
 #include "gl/xalloc.h"
@@ -51,6 +52,7 @@ table_item_text_clone (const struct table_item_text *old)
     .footnotes = xmemdup (old->footnotes,
                           old->n_footnotes * sizeof *old->footnotes),
     .n_footnotes = old->n_footnotes,
+    .style = area_style_clone (NULL, old->style),
   };
   return new;
 }
@@ -62,10 +64,61 @@ table_item_text_destroy (struct table_item_text *text)
     {
       free (text->content);
       free (text->footnotes);
+      area_style_free (text->style);
       free (text);
     }
 }
 
+void
+table_item_layer_copy (struct table_item_layer *dst,
+                       const struct table_item_layer *src)
+{
+  dst->content = xstrdup (src->content);
+  dst->footnotes = xmemdup (src->footnotes,
+                            src->n_footnotes * sizeof *src->footnotes);
+  dst->n_footnotes = src->n_footnotes;
+}
+
+void
+table_item_layer_uninit (struct table_item_layer *layer)
+{
+  if (layer)
+    {
+      free (layer->content);
+      free (layer->footnotes);
+    }
+}
+
+struct table_item_layers *
+table_item_layers_clone (const struct table_item_layers *old)
+{
+  if (!old)
+    return NULL;
+
+  struct table_item_layers *new = xmalloc (sizeof *new);
+  *new = (struct table_item_layers) {
+    .layers = xnmalloc (old->n_layers, sizeof *new->layers),
+    .n_layers = old->n_layers,
+    .style = area_style_clone (NULL, old->style),
+  };
+  for (size_t i = 0; i < new->n_layers; i++)
+    table_item_layer_copy (&new->layers[i], &old->layers[i]);
+  return new;
+}
+
+void
+table_item_layers_destroy (struct table_item_layers *layers)
+{
+  if (layers)
+    {
+      for (size_t i = 0; i < layers->n_layers; i++)
+        table_item_layer_uninit (&layers->layers[i]);
+      free (layers->layers);
+      area_style_free (layers->style);
+      free (layers);
+    }
+}
+
 /* Initializes ITEM as a table item for rendering TABLE.  The new table item
    initially has the specified TITLE and CAPTION, which may each be NULL.  The
    caller retains ownership of TITLE and CAPTION. */
@@ -76,7 +129,9 @@ table_item_create (struct table *table, const char *title, const char *caption)
   output_item_init (&item->output_item, &table_item_class);
   item->table = table;
   item->title = table_item_text_create (title);
+  item->layers = NULL;
   item->caption = table_item_text_create (caption);
+  item->pt = NULL;
   return item;
 }
 
@@ -109,6 +164,28 @@ table_item_set_title (struct table_item *item,
   item->title = table_item_text_clone (title);
 }
 
+/* Returns ITEM's layers, which will be a null pointer if no layers have been
+   set. */
+const struct table_item_layers *
+table_item_get_layers (const struct table_item *item)
+{
+  return item->layers;
+}
+
+/* Sets ITEM's layers to LAYERS, replacing any previous layers.  Specify NULL
+   for LAYERS to clear any layers from ITEM.  The caller retains ownership of
+   LAYERS.
+
+   This function may only be used on a table_item that is unshared. */
+void
+table_item_set_layers (struct table_item *item,
+                       const struct table_item_layers *layers)
+{
+  assert (!table_item_is_shared (item));
+  table_item_layers_destroy (item->layers);
+  item->layers = table_item_layers_clone (layers);
+}
+
 /* Returns ITEM's caption, which is a null pointer if no caption has been
    set. */
 const struct table_item_text *
@@ -143,13 +220,16 @@ static void
 table_item_destroy (struct output_item *output_item)
 {
   struct table_item *item = to_table_item (output_item);
-  free (item->title);
-  free (item->caption);
+  table_item_text_destroy (item->title);
+  table_item_text_destroy (item->caption);
+  table_item_layers_destroy (item->layers);
+  pivot_table_unref (item->pt);
   table_unref (item->table);
   free (item);
 }
 
 const struct output_item_class table_item_class =
   {
+    "table",
     table_item_destroy,
   };