+++ /dev/null
-/*
- * array.c
- *
- * BabelTrace - Array Type Converter
- *
- * 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
- * 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:
- *
- * 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 bt_definition *_array_definition_new(struct bt_declaration *declaration,
- struct definition_scope *parent_scope,
- GQuark field_name, int index, const char *root_name);
-static
-void _array_definition_free(struct bt_definition *definition);
-
-int bt_array_rw(struct bt_stream_pos *pos, struct bt_definition *definition)
-{
- struct definition_array *array_definition =
- container_of(definition, struct definition_array, p);
- const struct declaration_array *array_declaration =
- array_definition->declaration;
- uint64_t i;
- int ret;
-
- /* No need to align, because the first field will align itself. */
- for (i = 0; i < array_declaration->len; i++) {
- struct bt_definition *field =
- g_ptr_array_index(array_definition->elems, i);
- ret = generic_rw(pos, field);
- if (ret)
- return ret;
- }
- return 0;
-}
-
-static
-void _array_declaration_free(struct bt_declaration *declaration)
-{
- struct declaration_array *array_declaration =
- container_of(declaration, struct declaration_array, p);
-
- bt_free_declaration_scope(array_declaration->scope);
- bt_declaration_unref(array_declaration->elem);
- g_free(array_declaration);
-}
-
-struct declaration_array *
- bt_array_declaration_new(size_t len,
- struct bt_declaration *elem_declaration,
- struct declaration_scope *parent_scope)
-{
- struct declaration_array *array_declaration;
- struct bt_declaration *declaration;
-
- array_declaration = g_new(struct declaration_array, 1);
- declaration = &array_declaration->p;
- array_declaration->len = len;
- bt_declaration_ref(elem_declaration);
- array_declaration->elem = elem_declaration;
- array_declaration->scope = bt_new_declaration_scope(parent_scope);
- declaration->id = BT_CTF_TYPE_ID_ARRAY;
- declaration->alignment = elem_declaration->alignment;
- declaration->declaration_free = _array_declaration_free;
- declaration->definition_new = _array_definition_new;
- declaration->definition_free = _array_definition_free;
- declaration->ref = 1;
- return array_declaration;
-}
-
-static
-struct bt_definition *
- _array_definition_new(struct bt_declaration *declaration,
- struct definition_scope *parent_scope,
- 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);
- bt_declaration_ref(&array_declaration->p);
- array->p.declaration = declaration;
- array->declaration = array_declaration;
- array->p.ref = 1;
- /*
- * 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 == BT_CTF_TYPE_ID_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 bt_definition *definition)
-{
- struct definition_array *array =
- container_of(definition, struct definition_array, p);
- uint64_t i;
-
- 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 == BT_CTF_TYPE_ID_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;
-}
projects / babeltrace.git / blobdiff