Rewrite PSPP output engine.

[pspp-builds.git] / src / output / charts / roc-chart.h

diff --git a/src/output/charts/roc-chart.h b/src/output/charts/roc-chart.h
index dca842071a667f4fe05c379096977202d5755ebf..a995f9302d4f3f4d3d39feefb2045a01ba62a3fe 100644 (file)
--- a/src/output/charts/roc-chart.h
+++ b/src/output/charts/roc-chart.h
@@ -18,12 +18,86 @@
 #define OUTPUT_CHARTS_ROC_CHART_H 1
 
 #include <stdbool.h>
+#include <stddef.h>
+#include <output/chart-item.h>
 
-struct casereader;
+struct roc_chart
+  {
+    struct chart_item chart_item;
+    bool reference;
+    struct roc_var *vars;
+    size_t n_vars;
+    size_t allocated_vars;
+  };
+
+struct roc_var
+  {
+    char *name;
+    struct casereader *cutpoint_reader;
+  };
 
 struct roc_chart *roc_chart_create (bool reference);
 void roc_chart_add_var (struct roc_chart *, const char *var_name,
                         const struct casereader *cutpoint_reader);
-struct chart *roc_chart_get_chart (struct roc_chart *);
+\f
+/* This boilerplate for roc_chart, a subclass of chart_item, was
+   autogenerated by mk-class-boilerplate. */
+
+#include <assert.h>
+#include <libpspp/cast.h>
+
+extern const struct chart_item_class roc_chart_class;
+
+/* Returns true if SUPER is a roc_chart, otherwise false. */
+static inline bool
+is_roc_chart (const struct chart_item *super)
+{
+  return super->class == &roc_chart_class;
+}
+
+/* Returns SUPER converted to roc_chart.  SUPER must be a roc_chart, as
+   reported by is_roc_chart. */
+static inline struct roc_chart *
+to_roc_chart (const struct chart_item *super)
+{
+  assert (is_roc_chart (super));
+  return UP_CAST (super, struct roc_chart, chart_item);
+}
+
+/* Returns INSTANCE converted to chart_item. */
+static inline struct chart_item *
+roc_chart_super (const struct roc_chart *instance)
+{
+  return CONST_CAST (struct chart_item *, &instance->chart_item);
+}
+
+/* Increments INSTANCE's reference count and returns INSTANCE. */
+static inline struct roc_chart *
+roc_chart_ref (const struct roc_chart *instance)
+{
+  return to_roc_chart (chart_item_ref (&instance->chart_item));
+}
+
+/* Decrements INSTANCE's reference count, then destroys INSTANCE if
+   the reference count is now zero. */
+static inline void
+roc_chart_unref (struct roc_chart *instance)
+{
+  chart_item_unref (&instance->chart_item);
+}
+
+/* Returns true if INSTANCE's reference count is greater than 1,
+   false otherwise. */
+static inline bool
+roc_chart_is_shared (const struct roc_chart *instance)
+{
+  return chart_item_is_shared (&instance->chart_item);
+}
 
+static inline void
+roc_chart_submit (struct roc_chart *instance)
+{
+  chart_item_submit (&instance->chart_item);
+}
+\f
 #endif /* output/charts/roc-chart.h */