/*
* string.c
*
* BabelTrace - String 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/align.h>
#include <babeltrace/format.h>
#include <babeltrace/types.h>
static
struct bt_definition *_string_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
GQuark field_name, int index,
const char *root_name);
static
void _string_definition_free(struct bt_definition *definition);
static
void _string_declaration_free(struct bt_declaration *declaration)
{
struct declaration_string *string_declaration =
container_of(declaration, struct declaration_string, p);
g_free(string_declaration);
}
struct declaration_string *
bt_string_declaration_new(enum ctf_string_encoding encoding)
{
struct declaration_string *string_declaration;
string_declaration = g_new(struct declaration_string, 1);
string_declaration->p.id = CTF_TYPE_STRING;
string_declaration->p.alignment = CHAR_BIT;
string_declaration->p.declaration_free = _string_declaration_free;
string_declaration->p.definition_new = _string_definition_new;
string_declaration->p.definition_free = _string_definition_free;
string_declaration->p.ref = 1;
string_declaration->encoding = encoding;
return string_declaration;
}
static
struct bt_definition *
_string_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
GQuark field_name, int index,
const char *root_name)
{
struct declaration_string *string_declaration =
container_of(declaration, struct declaration_string, p);
struct definition_string *string;
int ret;
string = g_new(struct definition_string, 1);
bt_declaration_ref(&string_declaration->p);
string->p.declaration = declaration;
string->declaration = string_declaration;
string->p.ref = 1;
/*
* Use INT_MAX order to ensure that all fields of the parent
* scope are seen as being prior to this scope.
*/
string->p.index = root_name ? INT_MAX : index;
string->p.name = field_name;
string->p.path = bt_new_definition_path(parent_scope, field_name,
root_name);
string->p.scope = NULL;
string->value = NULL;
string->len = 0;
string->alloc_len = 0;
ret = bt_register_field_definition(field_name, &string->p,
parent_scope);
assert(!ret);
return &string->p;
}
static
void _string_definition_free(struct bt_definition *definition)
{
struct definition_string *string =
container_of(definition, struct definition_string, p);
bt_declaration_unref(string->p.declaration);
g_free(string->value);
g_free(string);
}
enum ctf_string_encoding bt_get_string_encoding(const struct bt_definition *field)
{
struct definition_string *string_definition;
const struct declaration_string *string_declaration;
string_definition = container_of(field, struct definition_string, p);
string_declaration = string_definition->declaration;
return string_declaration->encoding;
}
char *bt_get_string(const struct bt_definition *field)
{
struct definition_string *string_definition =
container_of(field, struct definition_string, p);
assert(string_definition->value != NULL);
return string_definition->value;
}