X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fdata%2Fvalue-labels.h;h=fb7ec22b57564a922562fa2c46acc557532bc6d5;hb=c400888ac9d64228138f69b473afb0083c6ca37c;hp=ce863a40db82df3aec7eb22653773e8358d12f49;hpb=43b1296aafe7582e7dbe6c2b6a8b478d7d9b0fcf;p=pspp
diff --git a/src/data/value-labels.h b/src/data/value-labels.h
index ce863a40db..fb7ec22b57 100644
--- a/src/data/value-labels.h
+++ b/src/data/value-labels.h
@@ -14,39 +14,49 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see . */
-#ifndef VAL_LABS_H
-#define VAL_LABS_H 1
+/* Sets of value labels.
+
+ struct val_labs represents a mapping from `union value's to
+ strings. The `union value's in the mapping all have the same
+ width. If this width is numeric or short string, the mapping
+ may contain any number of entries; long string mappings are
+ always empty. */
+
+#ifndef DATA_VALUE_LABELS_H
+#define DATA_VALUE_LABELS_H 1
#include
#include
-
#include
-struct val_labs;
-struct variable;
-
+/* One value label. */
struct val_lab
{
union value value;
const char *label;
};
+/* Creating and destroying sets of value labels. */
struct val_labs *val_labs_create (int width);
-struct val_labs *val_labs_copy (const struct val_labs *);
-void val_labs_destroy (struct val_labs *);
+struct val_labs *val_labs_clone (const struct val_labs *);
void val_labs_clear (struct val_labs *);
-size_t val_labs_count (const struct val_labs *);
+void val_labs_destroy (struct val_labs *);
+
+/* Looking up value labels. */
+char *val_labs_find (const struct val_labs *, union value);
+/* Basic properties. */
+size_t val_labs_count (const struct val_labs *);
bool val_labs_can_set_width (const struct val_labs *, int new_width);
void val_labs_set_width (struct val_labs *, int new_width);
+/* Adding value labels. */
bool val_labs_add (struct val_labs *, union value, const char *);
void val_labs_replace (struct val_labs *, union value, const char *);
bool val_labs_remove (struct val_labs *, union value);
-char *val_labs_find (const struct val_labs *, union value);
+/* Iterating through value labels. */
struct val_labs_iterator;
-
struct val_lab *val_labs_first (const struct val_labs *,
struct val_labs_iterator **);
struct val_lab *val_labs_first_sorted (const struct val_labs *,
@@ -55,4 +65,4 @@ struct val_lab *val_labs_next (const struct val_labs *,
struct val_labs_iterator **);
void val_labs_done (struct val_labs_iterator **);
-#endif /* value-labels.h */
+#endif /* data/value-labels.h */