/*
+ * integer.c
+ *
* BabelTrace - Integer Type Converter
*
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <babeltrace/compiler.h>
#include <babeltrace/align.h>
+#include <babeltrace/format.h>
#include <babeltrace/types.h>
#include <stdint.h>
-size_t integer_copy(unsigned char *dest, const struct format *fdest,
- const unsigned char *src, const struct format *fsrc,
- const struct type_class *type_class)
+static
+struct bt_definition *_integer_definition_new(struct bt_declaration *declaration,
+ struct definition_scope *parent_scope,
+ GQuark field_name, int index,
+ const char *root_name);
+static
+void _integer_definition_free(struct bt_definition *definition);
+
+static
+void _integer_declaration_free(struct bt_declaration *declaration)
{
- struct type_class_integer *int_class =
- container_of(type_class, struct type_class_integer, p);
+ struct declaration_integer *integer_declaration =
+ container_of(declaration, struct declaration_integer, p);
+ g_free(integer_declaration);
+}
- if (fsrc->p.alignment)
- src = PTR_ALIGN(src, fsrc->p.alignment / CHAR_BIT);
- if (fdest->p.alignment)
- dest = PTR_ALIGN(dest, fdest->p.alignment / CHAR_BIT);
+struct declaration_integer *
+ bt_integer_declaration_new(size_t len, int byte_order,
+ int signedness, size_t alignment, int base,
+ enum ctf_string_encoding encoding,
+ struct ctf_clock *clock)
+{
+ struct declaration_integer *integer_declaration;
- if (!int_class->signedness) {
- uint64_t v;
+ integer_declaration = g_new(struct declaration_integer, 1);
+ integer_declaration->p.id = CTF_TYPE_INTEGER;
+ integer_declaration->p.alignment = alignment;
+ integer_declaration->p.declaration_free = _integer_declaration_free;
+ integer_declaration->p.definition_free = _integer_definition_free;
+ integer_declaration->p.definition_new = _integer_definition_new;
+ integer_declaration->p.ref = 1;
+ integer_declaration->len = len;
+ integer_declaration->byte_order = byte_order;
+ integer_declaration->signedness = signedness;
+ integer_declaration->base = base;
+ integer_declaration->encoding = encoding;
+ integer_declaration->clock = clock;
+ return integer_declaration;
+}
- v = fsrc->uint_read(src, int_class->len, int_class->byte_order);
- return fdest->uint_write(dest, int_class->len, int_class->byte_order, v);
- } else {
- int64_t v;
+static
+struct bt_definition *
+ _integer_definition_new(struct bt_declaration *declaration,
+ struct definition_scope *parent_scope,
+ GQuark field_name, int index,
+ const char *root_name)
+{
+ struct declaration_integer *integer_declaration =
+ container_of(declaration, struct declaration_integer, p);
+ struct definition_integer *integer;
+ int ret;
- v = fsrc->int_read(src, int_class->len, int_class->byte_order);
- return fdest->int_write(dest, int_class->len, int_class->byte_order, v);
- }
+ integer = g_new(struct definition_integer, 1);
+ bt_declaration_ref(&integer_declaration->p);
+ integer->p.declaration = declaration;
+ integer->declaration = integer_declaration;
+ integer->p.ref = 1;
+ /*
+ * Use INT_MAX order to ensure that all fields of the parent
+ * scope are seen as being prior to this scope.
+ */
+ integer->p.index = root_name ? INT_MAX : index;
+ integer->p.name = field_name;
+ integer->p.path = bt_new_definition_path(parent_scope, field_name,
+ root_name);
+ integer->p.scope = NULL;
+ integer->value._unsigned = 0;
+ ret = bt_register_field_definition(field_name, &integer->p,
+ parent_scope);
+ assert(!ret);
+ return &integer->p;
+}
+
+static
+void _integer_definition_free(struct bt_definition *definition)
+{
+ struct definition_integer *integer =
+ container_of(definition, struct definition_integer, p);
+
+ bt_declaration_unref(integer->p.declaration);
+ g_free(integer);
}
-void integer_type_free(struct type_class_integer *int_class)
+enum ctf_string_encoding bt_get_int_encoding(const struct bt_definition *field)
{
- g_free(int_class);
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ return integer_declaration->encoding;
}
-static void _integer_type_free(struct type_class *type_class)
+int bt_get_int_base(const struct bt_definition *field)
{
- struct type_class_integer *int_class =
- container_of(type_class, struct type_class_integer, p);
- integer_type_free(int_class);
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ return integer_declaration->base;
}
-struct type_class_integer *integer_type_new(const char *name,
- size_t start_offset,
- size_t len, int byte_order,
- int signedness,
- size_t alignment)
+size_t bt_get_int_len(const struct bt_definition *field)
{
- struct type_class_integer *int_class;
- int ret;
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ return integer_declaration->len;
+}
+
+int bt_get_int_byte_order(const struct bt_definition *field)
+{
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ return integer_declaration->byte_order;
+}
+
+int bt_get_int_signedness(const struct bt_definition *field)
+{
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ return integer_declaration->signedness;
+}
+
+uint64_t bt_get_unsigned_int(const struct bt_definition *field)
+{
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
+
+ if (!integer_declaration->signedness) {
+ return integer_definition->value._unsigned;
+ }
+ fprintf(stderr, "[warning] Extracting unsigned value from a signed int (%s)\n",
+ g_quark_to_string(field->name));
+ return (uint64_t)integer_definition->value._signed;
+}
+
+int64_t bt_get_signed_int(const struct bt_definition *field)
+{
+ struct definition_integer *integer_definition;
+ const struct declaration_integer *integer_declaration;
+
+ integer_definition = container_of(field, struct definition_integer, p);
+ integer_declaration = integer_definition->declaration;
- int_class = g_new(struct type_class_integer, 1);
- int_class->p.name = g_quark_from_string(name);
- int_class->p.alignment = alignment;
- int_class->p.copy = integer_copy;
- int_class->p.free = _integer_type_free;
- int_class->len = len;
- int_class->byte_order = byte_order;
- int_class->signedness = signedness;
- if (int_class->p.name) {
- ret = ctf_register_type(&int_class.p);
- if (ret) {
- g_free(int_class);
- return NULL;
- }
+ if (integer_declaration->signedness) {
+ return integer_definition->value._signed;
}
- return int_class;
+ fprintf(stderr, "[warning] Extracting signed value from an unsigned int (%s)\n",
+ g_quark_to_string(field->name));
+ return (int64_t)integer_definition->value._unsigned;
}