*
* Enumeration mapping strings (quarks) from/to integers.
*
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * 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.
+ * 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:
*
- * 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.
- *
- * 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 <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)
+GQuark ctf_enum_read(struct stream_pos *pos,
+ const struct type_class_enum *src)
{
- uint64_t *valuep = g_new(uint64_t, 1);
+ const struct type_class_integer *int_class = &src->p;
- 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;
-}
+ if (!int_class->signedness) {
+ uint64_t v;
-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;
-}
+ v = ctf_uint_read(pos, int_class);
+ return enum_uint_to_quark(src, v);
+ } else {
+ int64_t v;
-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;
+ v = ctf_int_read(pos, int_class);
+ return enum_int_to_quark(src, v);
+ }
}
-int64_t enum_quark_to_int(size_t len, int byte_order, GQuark q)
+void ctf_enum_write(struct stream_pos *pos,
+ const struct type_class_enum *dest,
+ GQuark q)
{
- gconstpointer v = g_hash_table_lookup(table->quark_to_value,
- (gconstpointer) (unsigned long) q);
- return *(const int64_t *) v;
-}
+ const struct type_class_integer *int_class = &dest->p;
-guint enum_val_hash(gconstpointer key)
-{
- return g_direct_hash(key);
-}
+ if (!int_class->signedness) {
+ uint64_t v;
-gboolean enum_val_equal(gconstpointer a, gconstpointer b)
-{
- return g_direct_equal(a, b);
-}
+ v = enum_quark_to_uint(dest, q);
+ ctf_uint_write(pos, int_class, v);
+ } else {
+ int64_t v;
-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);
+ v = enum_quark_to_int(dest, q);
+ ctf_int_write(pos, int_class, v);
+ }
}
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