Manage enumerations at the library level

[babeltrace.git] / include / babeltrace / types.h

diff --git a/include/babeltrace/types.h b/include/babeltrace/types.h
index b77ac4002017dbb3a7ed0c50fa00b374fbfe23f2..3dea99e54b012d7fffc68640af8705f28249b1b8 100644 (file)
--- a/include/babeltrace/types.h
+++ b/include/babeltrace/types.h
@@ -57,9 +57,14 @@ struct type_class_float {
        /* TODO: we might want to express more info about NaN, +inf and -inf */
 };
 
+struct enum_table {
+       GHashTable *value_to_quark;     /* Tuples (value, GQuark) */
+       GHashTable *quark_to_value;     /* Tuples (GQuark, value) */
+};
+
 struct type_class_enum {
-       struct type_class_bitfield;     /* inherit from bitfield */
-       struct enum_table *table;
+       struct type_class_bitfield p;   /* inherit from bitfield */
+       struct enum_table table;
 };
 
 struct type_class_struct {
@@ -90,4 +95,26 @@ struct type_class_float *float_type_new(const char *name,
                                        size_t alignment);
 void float_type_free(struct type_class_float *float_class);
 
+/*
+ * A GQuark can be translated to/from strings with g_quark_from_string() and
+ * g_quark_to_string().
+ */
+GQuark enum_uint_to_quark(const struct type_class_enum *enum_class, uint64_t v);
+GQuark enum_int_to_quark(const struct type_class_enum *enum_class, uint64_t v);
+uint64_t enum_quark_to_uint(const struct type_class_enum *enum_class,
+                           size_t len, int byte_order, GQuark q);
+int64_t enum_quark_to_int(const struct type_class_enum *enum_class,
+                         size_t len, int byte_order, GQuark q);
+void enum_signed_insert(struct type_class_enum *enum_class,
+                       int64_t v, GQuark q);
+void enum_unsigned_insert(struct type_class_enum *enum_class,
+                         uint64_t v, GQuark q);
+
+struct type_class_enum *enum_type_new(const char *name,
+                                     size_t start_offset,
+                                     size_t len, int byte_order,
+                                     int signedness,
+                                     size_t alignment);
+void enum_type_free(struct type_class_enum *enum_class);
+
 #endif /* _BABELTRACE_TYPES_H */