*
* Enumeration mapping strings (quarks) from/to integers.
*
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*/
#include <babeltrace/ctf/types.h>
+#include <inttypes.h>
#include <stdint.h>
#include <glib.h>
-struct enum_table {
- GHashTable *value_to_quark; /* Tuples (value, GQuark) */
- GHashTable *quark_to_value; /* Tuples (GQuark, value) */
-};
-
-#if (__WORDSIZE == 32)
-GQuark enum_uint_to_quark(const struct enum_table *table, uint64_t v)
-{
- gconstpointer q = g_hash_table_lookup(table->value_to_quark, &v);
- return (GQuark) (unsigned long) q;
-}
-
-GQuark enum_int_to_quark(const struct enum_table *table, uint64_t v)
-{
- gconstpointer q = g_hash_table_lookup(table->value_to_quark, &v);
- return (GQuark) (unsigned long) q;
-}
-
-uint64_t enum_quark_to_uint(size_t len, int byte_order, GQuark q)
-{
- gconstpointer v = g_hash_table_lookup(table->quark_to_value,
- (gconstpointer) q);
- return *(const uint64_t *) v;
-}
-
-int64_t enum_quark_to_int(size_t len, int byte_order, GQuark q)
-{
- gconstpointer v = g_hash_table_lookup(table->quark_to_value,
- (gconstpointer) q);
- return *(const int64_t *) v;
-}
-
-guint enum_val_hash(gconstpointer key)
-{
- int64_t ukey = *(const int64_t *)key;
-
- return (guint)ukey ^ (guint)(ukey >> 32);
-}
-
-gboolean enum_val_equal(gconstpointer a, gconstpointer b)
-{
- int64_t ua = *(const int64_t *)a;
- int64_t ub = *(const int64_t *)b;
-
- return ua == ub;
-}
-
-void enum_val_free(void *ptr)
-{
- g_free(ptr);
-}
-
-void enum_signed_insert(struct enum_table *table, int64_t v, GQuark q)
-{
- int64_t *valuep = g_new(int64_t, 1);
-
- g_hash_table_insert(table->value_to_quark, valuep,
- (gpointer) (unsigned long) q);
- g_hash_table_insert(table->quark_to_value, (gpointer) (unsigned long) q,
- valuep);
-}
-
-void enum_unsigned_insert(struct enum_table *table, uint64_t v, GQuark q)
-{
- uint64_t *valuep = g_new(uint64_t, 1);
-
- g_hash_table_insert(table->value_to_quark, valuep,
- (gpointer) (unsigned long) q);
- g_hash_table_insert(table->quark_to_value, (gpointer) (unsigned long) q,
- valuep);
-}
-#else /* __WORDSIZE != 32 */
-GQuark enum_uint_to_quark(const struct enum_table *table, uint64_t v)
-{
- gconstpointer q = g_hash_table_lookup(table->value_to_quark,
- (gconstpointer) v);
- return (GQuark) (unsigned long) q;
-}
-
-GQuark enum_int_to_quark(const struct enum_table *table, uint64_t v)
-{
- gconstpointer q = g_hash_table_lookup(table->value_to_quark,
- (gconstpointer) v);
- return (GQuark) (unsigned long) q;
-}
-
-uint64_t enum_quark_to_uint(size_t len, int byte_order, GQuark q)
-{
- gconstpointer v = g_hash_table_lookup(table->quark_to_value,
- (gconstpointer) (unsigned long) q);
- return *(const uint64_t *) v;
-}
-
-int64_t enum_quark_to_int(size_t len, int byte_order, GQuark q)
-{
- gconstpointer v = g_hash_table_lookup(table->quark_to_value,
- (gconstpointer) (unsigned long) q);
- return *(const int64_t *) v;
-}
-
-guint enum_val_hash(gconstpointer key)
-{
- return g_direct_hash(key);
-}
-
-gboolean enum_val_equal(gconstpointer a, gconstpointer b)
-{
- return g_direct_equal(a, b);
-}
-
-void enum_val_free(void *ptr)
-{
-}
-
-void enum_signed_insert(struct enum_table *table, int64_t v, GQuark q)
-{
- g_hash_table_insert(table->value_to_quark, (gpointer) v,
- (gpointer) (unsigned long) q);
- g_hash_table_insert(table->quark_to_value, (gpointer) (unsigned long) q,
- valuep);
-}
-
-void enum_unsigned_insert(struct enum_table *table, uint64_t v, GQuark q)
-{
- g_hash_table_insert(table->value_to_quark, (gpointer) v,
- (gpointer) (unsigned long) q);
- g_hash_table_insert(table->quark_to_value, (gpointer) (unsigned long) q,
- valuep);
-}
-#endif /* __WORDSIZE != 32 */
-
-struct enum_table *enum_new(void)
-{
- struct enum_table *table;
-
- table = g_new(struct enum_table, 1);
- table->value_to_quark = g_hash_table(enum_val_hash, enum_val_equal);
- table->quark_to_value = g_hash_table_new_full(g_direct_hash,
- g_direct_equal,
- NULL, enum_val_free);
-}
-
-void enum_destroy(struct enum_table *table)
-{
- g_hash_table_destroy(table->value_to_quark);
- g_hash_table_destroy(table->quark_to_value);
- g_free(table);
+int ctf_enum_read(struct stream_pos *ppos, struct definition *definition)
+{
+ struct definition_enum *enum_definition =
+ container_of(definition, struct definition_enum, p);
+ const struct declaration_enum *enum_declaration =
+ enum_definition->declaration;
+ struct definition_integer *integer_definition =
+ enum_definition->integer;
+ const struct declaration_integer *integer_declaration =
+ integer_definition->declaration;
+ GArray *qs;
+ int ret;
+
+ ret = ctf_integer_read(ppos, &integer_definition->p);
+ if (ret)
+ return ret;
+ if (!integer_declaration->signedness) {
+ qs = enum_uint_to_quark_set(enum_declaration,
+ integer_definition->value._unsigned);
+ if (!qs) {
+ fprintf(stderr, "[warning] Unknown value %" PRIu64 " in enum.\n",
+ integer_definition->value._unsigned);
+ }
+ } else {
+ qs = enum_int_to_quark_set(enum_declaration,
+ integer_definition->value._signed);
+ if (!qs) {
+ fprintf(stderr, "[warning] Unknown value %" PRId64 " in enum.\n",
+ integer_definition->value._signed);
+ }
+ }
+ /* unref previous quark set */
+ if (enum_definition->value)
+ g_array_unref(enum_definition->value);
+ enum_definition->value = qs;
+ return 0;
+}
+
+int ctf_enum_write(struct stream_pos *pos, struct definition *definition)
+{
+ struct definition_enum *enum_definition =
+ container_of(definition, struct definition_enum, p);
+ struct definition_integer *integer_definition =
+ enum_definition->integer;
+
+ return ctf_integer_write(pos, &integer_definition->p);
}
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