Add new functions to define subcase orderings.

[pspp-builds.git] / src / data / subcase.h

diff --git a/src/data/subcase.h b/src/data/subcase.h
index d50d0748ba86fbe89b64cd93db82f3b0f6a07408..6e59da1d3679ac5b4c89f8a1b6a6ca6bc910627c 100644 (file)
--- a/src/data/subcase.h
+++ b/src/data/subcase.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2008 Free Software Foundation, Inc.
+   Copyright (C) 2008, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -44,7 +44,8 @@ struct subcase
   {
     struct subcase_field *fields;
     size_t n_fields;
-    size_t n_values;
+
+    struct caseproto *proto;    /* Created lazily. */
   };
 
 void subcase_init_empty (struct subcase *);
@@ -52,16 +53,23 @@ void subcase_init_vars (struct subcase *,
                         const struct variable *const *, size_t n_vars);
 void subcase_init_var (struct subcase *,
                        const struct variable *, enum subcase_direction);
+void subcase_init (struct subcase *, int index, int width,
+                  enum subcase_direction);
+
 void subcase_clone (struct subcase *, const struct subcase *);
 void subcase_clear (struct subcase *);
 void subcase_destroy (struct subcase *);
 
+bool subcase_add (struct subcase *sc, int index, int width,
+                 enum subcase_direction direction);
+
 bool subcase_add_var (struct subcase *, const struct variable *,
                       enum subcase_direction);
 
+const struct caseproto *subcase_get_proto (const struct subcase *);
+
 static inline bool subcase_is_empty (const struct subcase *);
 static inline size_t subcase_get_n_fields (const struct subcase *);
-static inline size_t subcase_get_n_values (const struct subcase *);
 
 static inline enum subcase_direction subcase_get_direction (
   const struct subcase *, size_t idx);
@@ -110,10 +118,4 @@ subcase_get_n_fields (const struct subcase *sc)
   return sc->n_fields;
 }
 
-static inline size_t
-subcase_get_n_values (const struct subcase *sc)
-{
-  return sc->n_values;
-}
-
 #endif /* data/subcase.h */