Add type class/type structure management

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

diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h
index 7162c0ea0822cbb2320317407aa1be87d0020f5e..24276fa46915275f7b059edde605ad59cef65a70 100644 (file)
--- a/include/babeltrace/format.h
+++ b/include/babeltrace/format.h
@@ -6,7 +6,7 @@
  *
  * Trace Format Header
  *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -19,6 +19,7 @@
  * all copies or substantial portions of the Software.
  */
 
+#include <babeltrace/types.h>
 #include <stdint.h>
 #include <glib.h>
 
@@ -36,9 +37,9 @@ struct format {
                          const struct type_class_integer *int_class,
                          int64_t v);
 
-       void (*float_copy)(struct stream_pos *dest,
-                          struct stream_pos *src,
-                          const struct type_class_float *src);
+       void (*float_copy)(struct stream_pos *destp,
+                          struct stream_pos *srcp,
+                          const struct type_class_float *float_class);
        double (*double_read)(struct stream_pos *pos,
                              const struct type_class_float *float_class);
        void (*double_write)(struct stream_pos *pos,
@@ -47,13 +48,17 @@ struct format {
 
        void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
                            const struct type_class_string *string_class);
-       void (*string_read)(unsigned char **dest, struct stream_pos *src,
+       void (*string_read)(char **dest, struct stream_pos *src,
                            const struct type_class_string *string_class);
-       void (*string_write)(struct stream_pos *dest, const unsigned char *src,
+       void (*string_write)(struct stream_pos *dest, const char *src,
                             const struct type_class_string *string_class);
-       void (*string_free_temp)(unsigned char *string);
+       void (*string_free_temp)(char *string);
 
-       GQuark (*enum_read)(struct stream_pos *pos,
+       /*
+        * enum_read returns a GArray of GQuark. Must be released with
+        * g_array_unref().
+        */
+       GArray *(*enum_read)(struct stream_pos *pos,
                            const struct type_class_enum *src);
        void (*enum_write)(struct stream_pos *pos,
                           const struct type_class_enum *dest,
@@ -62,6 +67,10 @@ struct format {
                             const struct type_class_struct *struct_class);
        void (*struct_end)(struct stream_pos *pos,
                           const struct type_class_struct *struct_class);
+       void (*variant_begin)(struct stream_pos *pos,
+                             const struct type_class_variant *variant_class);
+       void (*variant_end)(struct stream_pos *pos,
+                           const struct type_class_variant *variant_class);
        void (*array_begin)(struct stream_pos *pos,
                             const struct type_class_array *array_class);
        void (*array_end)(struct stream_pos *pos,
@@ -73,7 +82,7 @@ struct format {
 };
 
 struct format *bt_lookup_format(GQuark qname);
-int bt_register_format(const struct format *format);
+int bt_register_format(struct format *format);
 
 /* TBD: format unregistration */