/* PSPP - a program for statistical analysis.
- Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2007, 2009, 2010, 2011, 2013 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
#include <stddef.h>
#include <stdbool.h>
#include <stdlib.h>
-#include <libpspp/compiler.h>
-#include <data/caseproto.h>
-struct variable;
+#include "data/caseproto.h"
+#include "libpspp/compiler.h"
+#include "libpspp/pxd.h"
+#include "data/casenumber.h"
-/* A count of cases or the index of a case within a collection of
- them. */
-#define CASENUMBER_MAX LONG_MAX
-typedef long int casenumber;
+struct variable;
/* Reference-counted case implementation.
struct ccase *case_clone (const struct ccase *) MALLOC_LIKE;
static inline struct ccase *case_unshare (struct ccase *) WARN_UNUSED_RESULT;
-static inline struct ccase *case_ref (const struct ccase *);
+struct ccase *case_ref (const struct ccase *) WARN_UNUSED_RESULT;
static inline void case_unref (struct ccase *);
static inline bool case_is_shared (const struct ccase *);
const union value *case_data_all (const struct ccase *);
union value *case_data_all_rw (struct ccase *);
+
+struct pxd_object *case_save (const struct ccase *, struct pxd *);
+struct ccase *case_load (struct pxd_object *, const struct pxd *);
\f
struct ccase *case_unshare__ (struct ccase *);
void case_unref__ (struct ccase *);
return c;
}
-/* Increments case C's reference count and returns C. Afterward,
- case C is shared among its reference count holders. */
-static inline struct ccase *
-case_ref (const struct ccase *c_)
-{
- struct ccase *c = (struct ccase *) c_;
- c->ref_cnt++;
- return c;
-}
-
/* Decrements case C's reference count. Frees C if its
reference count drops to 0.