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/*
* This file is part of ltrace.
* Copyright (C) 2011,2012 Petr Machata, Red Hat Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include "value_dict.h"
#include "value.h"
struct named_value
{
const char *name;
struct value value;
int own_name;
};
void
val_dict_init(struct value_dict *dict)
{
VECT_INIT(&dict->numbered, struct value);
VECT_INIT(&dict->named, struct named_value);
}
static int
value_clone_cb(struct value *tgt, const struct value *src, void *data)
{
return value_clone(tgt, src);
}
static void
value_dtor(struct value *val, void *data)
{
value_destroy(val);
}
static int
named_value_clone(struct named_value *tgt,
const struct named_value *src, void *data)
{
tgt->name = strdup(src->name);
if (tgt->name == NULL)
return -1;
tgt->own_name = 1;
if (value_clone(&tgt->value, &src->value) < 0) {
free((char *)tgt->name);
return -1;
}
return 0;
}
static void
named_value_dtor(struct named_value *named, void *data)
{
if (named->own_name)
free((char *)named->name);
value_destroy(&named->value);
}
int
val_dict_clone(struct value_dict *target, struct value_dict *source)
{
if (VECT_CLONE(&target->numbered, &source->numbered, struct value,
value_clone_cb, value_dtor, NULL) < 0)
return -1;
if (VECT_CLONE(&target->named, &source->named, struct named_value,
named_value_clone, named_value_dtor, NULL) < 0) {
VECT_DESTROY(&target->numbered, struct value, value_dtor, NULL);
return -1;
}
return 0;
}
int
val_dict_push_next(struct value_dict *dict, struct value *val)
{
return VECT_PUSHBACK(&dict->numbered, val);
}
int
val_dict_push_named(struct value_dict *dict, struct value *val,
const char *name, int own_name)
{
if (own_name && (name = strdup(name)) == NULL)
return -1;
struct named_value element = { name, *val, own_name };
if (VECT_PUSHBACK(&dict->named, &element) < 0) {
if (own_name)
free((char *)name);
return -1;
}
return 0;
}
size_t
val_dict_count(struct value_dict *dict)
{
return vect_size(&dict->numbered);
}
struct value *
val_dict_get_num(struct value_dict *dict, size_t num)
{
assert(num < vect_size(&dict->numbered));
return VECT_ELEMENT(&dict->numbered, struct value, num);
}
struct value *
val_dict_get_name(struct value_dict *dict, const char *name)
{
size_t i;
for (i = 0; i < vect_size(&dict->named); ++i) {
struct named_value *element
= VECT_ELEMENT(&dict->named, struct named_value, i);
if (strcmp(element->name, name) == 0)
return &element->value;
}
return NULL;
}
void
val_dict_destroy(struct value_dict *dict)
{
if (dict == NULL)
return;
VECT_DESTROY(&dict->numbered, struct value, value_dtor, NULL);
VECT_DESTROY(&dict->named, struct named_value, named_value_dtor, NULL);
}
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