X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvfm.h;h=cfd639a925ead255085b610cc7f6bb49aca25637;hb=92fb12eb06716d14c05b781f5d9dcde956d77c30;hp=9577953ef40c802bc0edfb4ca32fe901357b3772;hpb=14e7292894533c5491a774a2d749386362660812;p=pspp

diff --git a/src/vfm.h b/src/vfm.h
index 9577953ef4..cfd639a925 100644
--- a/src/vfm.h
+++ b/src/vfm.h
@@ -14,17 +14,14 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA. */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
 
 #if !vfm_h
 #define vfm_h 1
 
 #include <time.h>
 
-/* This is the time at which vfm was last invoked. */
-extern time_t last_vfm_invocation;
-
 struct ccase;
 typedef struct write_case_data *write_case_data;
 typedef int write_case_func (write_case_data);
@@ -36,7 +33,6 @@ extern struct case_source *vfm_source;
 struct case_source 
   {
     const struct case_source_class *class;      /* Class. */
-    size_t value_cnt;   /* Number of `union value's in case. */
     void *aux;          /* Auxiliary data. */
   };
 
@@ -60,26 +56,20 @@ struct case_source_class
   };
 
 extern const struct case_source_class storage_source_class;
-extern const struct case_source_class data_list_source_class;
 extern const struct case_source_class file_type_source_class;
 extern const struct case_source_class input_program_source_class;
-extern const struct case_source_class get_source_class;
-extern const struct case_source_class import_source_class;
-extern const struct case_source_class sort_source_class;
 
 struct dictionary;
 struct case_source *create_case_source (const struct case_source_class *,
-                                        const struct dictionary *,
                                         void *);
+void free_case_source (struct case_source *);
+
 int case_source_is_complex (const struct case_source *);
 int case_source_is_class (const struct case_source *,
                           const struct case_source_class *);
 
-int storage_source_on_disk (const struct case_source *);
-struct case_list *storage_source_get_cases (const struct case_source *);
-void storage_source_set_cases (const struct case_source *,
-                               struct case_list *);
-void storage_source_to_disk (struct case_source *source);
+struct casefile *storage_source_get_casefile (struct case_source *);
+struct case_source *storage_source_create (struct casefile *);
 
 /* The replacement active file, to which cases are written. */
 extern struct case_sink *vfm_sink;
@@ -89,11 +79,6 @@ struct case_sink
   {
     const struct case_sink_class *class;        /* Class. */
     void *aux;          /* Auxiliary data. */
-
-    /* Cases written to a case sink belong to a dictionary, but
-       their data is compacted to drop scratch variables. */
-    const struct dictionary *dict;      /* Dictionary for cases. */
-    int *idx_to_fv;     /* `dict' index -> case `data' index. */
     size_t value_cnt;   /* Number of `union value's in case. */
   };
 
@@ -111,9 +96,10 @@ struct case_sink_class
     /* Closes and destroys the sink. */
     void (*destroy) (struct case_sink *);
 
-    /* Closes and destroys the sink and returns a source that can
-       read back the cases that were written, perhaps transformed
-       in some way. */
+    /* Closes the sink and returns a source that can read back
+       the cases that were written, perhaps transformed in some
+       way.  The sink must still be separately destroyed by
+       calling destroy(). */
     struct case_source *(*make_source) (struct case_sink *);
   };
 
@@ -123,6 +109,9 @@ extern const struct case_sink_class null_sink_class;
 struct case_sink *create_case_sink (const struct case_sink_class *,
                                     const struct dictionary *,
                                     void *);
+void case_sink_open (struct case_sink *);
+void case_sink_write (struct case_sink *, const struct ccase *);
+void case_sink_destroy (struct case_sink *);
 void free_case_sink (struct case_sink *);
 
 /* Number of cases to lag. */
@@ -134,5 +123,11 @@ void procedure_with_splits (void (*begin_func) (void *aux),
                             void (*end_func) (void *aux),
                             void *aux);
 struct ccase *lagged_case (int n_before);
+
+void multipass_procedure_with_splits (void (*) (const struct casefile *,
+                                                void *),
+                                      void *aux);
+
+time_t vfm_last_invocation (void);
 
 #endif /* !vfm_h */