*
* BabelTrace - Array Type Converter
*
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: 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
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * 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/format.h>
+#include <babeltrace/types.h>
+#include <inttypes.h>
static
-struct definition *_array_definition_new(struct declaration *declaration,
+struct bt_definition *_array_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
- GQuark field_name, int index);
+ GQuark field_name, int index, const char *root_name);
static
-void _array_definition_free(struct definition *definition);
+void _array_definition_free(struct bt_definition *definition);
-void array_copy(struct stream_pos *dest, const struct format *fdest,
- struct stream_pos *src, const struct format *fsrc,
- struct definition *definition)
+int bt_array_rw(struct bt_stream_pos *pos, struct bt_definition *definition)
{
- struct definition_array *array =
+ struct definition_array *array_definition =
container_of(definition, struct definition_array, p);
- struct declaration_array *array_declaration = array->declaration;
+ const struct declaration_array *array_declaration =
+ array_definition->declaration;
uint64_t i;
+ int ret;
- fsrc->array_begin(src, array_declaration);
- fdest->array_begin(dest, array_declaration);
-
+ /* No need to align, because the first field will align itself. */
for (i = 0; i < array_declaration->len; i++) {
- struct definition *elem = array->current_element.definition;
- elem->declaration->copy(dest, fdest, src, fsrc, elem);
+ struct bt_definition *field =
+ g_ptr_array_index(array_definition->elems, i);
+ ret = generic_rw(pos, field);
+ if (ret)
+ return ret;
}
- fsrc->array_end(src, array_declaration);
- fdest->array_end(dest, array_declaration);
+ return 0;
}
static
-void _array_declaration_free(struct declaration *declaration)
+void _array_declaration_free(struct bt_declaration *declaration)
{
struct declaration_array *array_declaration =
container_of(declaration, struct declaration_array, p);
- free_declaration_scope(array_declaration->scope);
- declaration_unref(array_declaration->elem);
+ bt_free_declaration_scope(array_declaration->scope);
+ bt_declaration_unref(array_declaration->elem);
g_free(array_declaration);
}
struct declaration_array *
- array_declaration_new(size_t len,
- struct declaration *elem_declaration,
+ bt_array_declaration_new(size_t len,
+ struct bt_declaration *elem_declaration,
struct declaration_scope *parent_scope)
{
struct declaration_array *array_declaration;
- struct declaration *declaration;
+ struct bt_declaration *declaration;
array_declaration = g_new(struct declaration_array, 1);
declaration = &array_declaration->p;
array_declaration->len = len;
- declaration_ref(elem_declaration);
+ bt_declaration_ref(elem_declaration);
array_declaration->elem = elem_declaration;
- array_declaration->scope = new_declaration_scope(parent_scope);
+ array_declaration->scope = bt_new_declaration_scope(parent_scope);
declaration->id = CTF_TYPE_ARRAY;
- /* No need to align the array, the first element will align itself */
- declaration->alignment = 1;
- declaration->copy = array_copy;
+ declaration->alignment = elem_declaration->alignment;
declaration->declaration_free = _array_declaration_free;
declaration->definition_new = _array_definition_new;
declaration->definition_free = _array_definition_free;
}
static
-struct definition *
- _array_definition_new(struct declaration *declaration,
+struct bt_definition *
+ _array_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
- GQuark field_name, int index)
+ GQuark field_name, int index, const char *root_name)
{
struct declaration_array *array_declaration =
container_of(declaration, struct declaration_array, p);
struct definition_array *array;
+ int ret;
+ int i;
array = g_new(struct definition_array, 1);
- declaration_ref(&array_declaration->p);
+ bt_declaration_ref(&array_declaration->p);
array->p.declaration = declaration;
array->declaration = array_declaration;
array->p.ref = 1;
- array->p.index = index;
- array->scope = new_definition_scope(parent_scope, field_name);
- array->current_element.definition =
- array_declaration->elem->definition_new(array_declaration->elem,
- parent_scope,
- g_quark_from_static_string("[]"),
- 0);
+ /*
+ * Use INT_MAX order to ensure that all fields of the parent
+ * scope are seen as being prior to this scope.
+ */
+ array->p.index = root_name ? INT_MAX : index;
+ array->p.name = field_name;
+ array->p.path = bt_new_definition_path(parent_scope, field_name, root_name);
+ array->p.scope = bt_new_definition_scope(parent_scope, field_name, root_name);
+ ret = bt_register_field_definition(field_name, &array->p,
+ parent_scope);
+ assert(!ret);
+ array->string = NULL;
+ array->elems = NULL;
+
+ if (array_declaration->elem->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(array_declaration->elem, struct declaration_integer, p);
+
+ if (integer_declaration->encoding == CTF_STRING_UTF8
+ || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+ array->string = g_string_new("");
+ }
+ }
+
+ array->elems = g_ptr_array_sized_new(array_declaration->len);
+ g_ptr_array_set_size(array->elems, array_declaration->len);
+ for (i = 0; i < array_declaration->len; i++) {
+ struct bt_definition **field;
+ GString *str;
+ GQuark name;
+
+ str = g_string_new("");
+ g_string_printf(str, "[%u]", (unsigned int) i);
+ name = g_quark_from_string(str->str);
+ (void) g_string_free(str, TRUE);
+
+ field = (struct bt_definition **) &g_ptr_array_index(array->elems, i);
+ *field = array_declaration->elem->definition_new(array_declaration->elem,
+ array->p.scope,
+ name, i, NULL);
+ if (!*field)
+ goto error;
+ }
+
return &array->p;
+
+error:
+ for (i--; i >= 0; i--) {
+ struct bt_definition *field;
+
+ field = g_ptr_array_index(array->elems, i);
+ field->declaration->definition_free(field);
+ }
+ (void) g_ptr_array_free(array->elems, TRUE);
+ bt_free_definition_scope(array->p.scope);
+ bt_declaration_unref(array->p.declaration);
+ g_free(array);
+ return NULL;
}
static
-void _array_definition_free(struct definition *definition)
+void _array_definition_free(struct bt_definition *definition)
{
struct definition_array *array =
container_of(definition, struct definition_array, p);
- struct definition *elem_definition =
- array->current_element.definition;
+ uint64_t i;
- elem_definition->declaration->definition_free(elem_definition);
- free_definition_scope(array->scope);
- declaration_unref(array->p.declaration);
+ if (array->string)
+ (void) g_string_free(array->string, TRUE);
+ if (array->elems) {
+ for (i = 0; i < array->elems->len; i++) {
+ struct bt_definition *field;
+
+ field = g_ptr_array_index(array->elems, i);
+ field->declaration->definition_free(field);
+ }
+ (void) g_ptr_array_free(array->elems, TRUE);
+ }
+ bt_free_definition_scope(array->p.scope);
+ bt_declaration_unref(array->p.declaration);
g_free(array);
}
+
+uint64_t bt_array_len(struct definition_array *array)
+{
+ if (!array->elems)
+ return array->string->len;
+ return array->elems->len;
+}
+
+struct bt_definition *bt_array_index(struct definition_array *array, uint64_t i)
+{
+ if (!array->elems)
+ return NULL;
+ if (i >= array->elems->len)
+ return NULL;
+ return g_ptr_array_index(array->elems, i);
+}
+
+int bt_get_array_len(const struct bt_definition *field)
+{
+ struct definition_array *array_definition;
+ struct declaration_array *array_declaration;
+
+ array_definition = container_of(field, struct definition_array, p);
+ array_declaration = array_definition->declaration;
+
+ return array_declaration->len;
+}
+
+GString *bt_get_char_array(const struct bt_definition *field)
+{
+ struct definition_array *array_definition;
+ struct declaration_array *array_declaration;
+ struct bt_declaration *elem;
+
+ array_definition = container_of(field, struct definition_array, p);
+ array_declaration = array_definition->declaration;
+ elem = array_declaration->elem;
+ if (elem->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(elem, struct declaration_integer, p);
+
+ if (integer_declaration->encoding == CTF_STRING_UTF8
+ || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+ if (integer_declaration->len == CHAR_BIT
+ && integer_declaration->p.alignment == CHAR_BIT) {
+
+ return array_definition->string;
+ }
+ }
+ }
+ fprintf(stderr, "[warning] Extracting string\n");
+ return NULL;
+}