X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=formats%2Fctf%2Ftypes%2Fenum.c;h=d0b284e67598c1474e09529689f19fb88677cc6f;hb=e1151715912eaec959682b3bc10be3ced6abe467;hp=507d0c35e9ef0d26bffcbe1cb9a3eedaa04858e5;hpb=7172902caa455601e0d7429378e898eb12bbb2ba;p=babeltrace.git diff --git a/formats/ctf/types/enum.c b/formats/ctf/types/enum.c index 507d0c35..d0b284e6 100644 --- a/formats/ctf/types/enum.c +++ b/formats/ctf/types/enum.c @@ -3,172 +3,62 @@ * * Enumeration mapping strings (quarks) from/to integers. * - * Copyright (c) 2010 Mathieu Desnoyers + * Copyright 2010, 2011 - Mathieu Desnoyers * - * 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 +#include #include #include -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) +/* + * The caller should unref the GArray. + */ +GArray *ctf_enum_read(struct stream_pos *pos, + const struct type_enum *src) { - return g_direct_equal(a, b); -} + const struct type_integer *integer_type = src->integer_type; -void enum_val_free(void *ptr) -{ -} + if (!integer_type->signedness) { + uint64_t v; -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); -} + v = ctf_uint_read(pos, integer_type); + return enum_uint_to_quark_set(src, v); + } else { + int64_t v; -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); + v = ctf_int_read(pos, integer_type); + return enum_int_to_quark_set(src, v); + } } -#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); +/* + * Arbitrarily choose the start of the first matching range. + */ +void ctf_enum_write(struct stream_pos *pos, + const struct type_enum *dest, + GQuark q) +{ + const struct type_integer *integer_type = dest->integer_type; + GArray *array; + + array = enum_quark_to_range_set(dest, q); + assert(array); + + if (!integer_type->signedness) { + uint64_t v = g_array_index(array, struct enum_range, 0).start._unsigned; + ctf_uint_write(pos, integer_type, v); + } else { + int64_t v = g_array_index(array, struct enum_range, 0).start._unsigned; + ctf_int_write(pos, integer_type, v); + } }