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/*
INI LIBRARY
Module represents interface to the main INI object.
Copyright (C) Dmitri Pal <dpal@redhat.com> 2010
INI 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 3 of the License, or
(at your option) any later version.
INI 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.
You should have received a copy of the GNU Lesser General Public License
along with INI Library. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "config.h"
#include "trace.h"
#include "collection.h"
#include "ini_config_priv.h"
#include "ini_defines.h"
#include "ini_valueobj.h"
/* This constant belongs to ini_defines.h. Move from ini_config - TBD */
#define COL_CLASS_INI_BASE 20000
#define COL_CLASS_INI_CONFIG COL_CLASS_INI_BASE + 0
/* Callback */
void ini_cleanup_cb(const char *property,
int property_len,
int type,
void *data,
int length,
void *custom_data)
{
struct value_obj *vo = NULL;
TRACE_FLOW_ENTRY();
/* Banary items are the values */
if(type == COL_TYPE_BINARY) {
vo = *((struct value_obj **)(data));
value_destroy(vo);
}
TRACE_FLOW_EXIT();
}
/* Traverse the collection and clean the object */
void ini_config_destroy(struct ini_cfgobj *ini_config)
{
TRACE_FLOW_ENTRY();
if (ini_config) {
if(ini_config->cfg) {
col_destroy_collection_with_cb(ini_config->cfg,
ini_cleanup_cb,
NULL);
}
free(ini_config);
}
TRACE_FLOW_EXIT();
}
/* Create a config object */
int ini_config_create(struct ini_cfgobj **ini_config)
{
int error = EOK;
struct ini_cfgobj *new_co = NULL;
TRACE_FLOW_ENTRY();
if (!ini_config) {
TRACE_ERROR_NUMBER("Invalid argument", EINVAL);
return EINVAL;
}
errno = 0;
new_co = malloc(sizeof(struct ini_cfgobj));
if (!new_co) {
error = errno;
TRACE_ERROR_NUMBER("Failed to allocate memory", ENOMEM);
return ENOMEM;
}
new_co->cfg = NULL;
new_co->boundary = INI_WRAP_BOUNDARY;
/* Create a collection to hold configuration data */
error = col_create_collection(&(new_co->cfg),
INI_CONFIG_NAME,
COL_CLASS_INI_CONFIG);
if (error != EOK) {
TRACE_ERROR_NUMBER("Failed to create collection.", error);
ini_config_destroy(new_co);
return error;
}
*ini_config = new_co;
TRACE_FLOW_EXIT();
return error;
}
/* Callback to set the boundary */
int ini_boundary_cb(const char *property,
int property_len,
int type,
void *data,
int length,
void *custom_data,
int *dummy)
{
int error = EOK;
struct value_obj *vo = NULL;
uint32_t boundary;
TRACE_FLOW_ENTRY();
boundary = *((uint32_t *)(custom_data));
/* Banary items are the values */
if(type == COL_TYPE_BINARY) {
vo = *((struct value_obj **)(data));
error = value_set_boundary(vo, boundary);
}
TRACE_FLOW_EXIT();
return error;
}
/* Set the folding boundary for multiline values.
* Use before serializing and saving to a file if the
* default boundary of 80 characters does not work for you.
*/
int ini_config_set_wrap(struct ini_cfgobj *ini_config,
uint32_t boundary)
{
int error = EOK;
TRACE_FLOW_ENTRY();
if (!ini_config) {
TRACE_ERROR_NUMBER("Invalid argument", EINVAL);
return EINVAL;
}
ini_config->boundary = boundary;
error = col_traverse_collection(ini_config->cfg,
COL_TRAVERSE_DEFAULT,
ini_boundary_cb,
(void *)(&(ini_config->boundary)));
if (error) {
TRACE_ERROR_NUMBER("Failed to set wrapping boundary", error);
return error;
}
TRACE_FLOW_EXIT();
return error;
}
/* Configuration copy callback */
static int ini_copy_cb(struct collection_item *item,
void *ext_data,
int *skip)
{
int error = EOK;
struct value_obj *vo = NULL;
struct value_obj *new_vo = NULL;
TRACE_FLOW_ENTRY();
ext_data = NULL;
*skip = 0;
/* Banary items are the values */
if(type == COL_TYPE_BINARY) {
vo = *((struct value_obj **)(col_get_item_data(item)));
error = value_copy(vo, &new_vo);
if (error) {
TRACE_ERROR_NUMBER("Failed to copy value", error);
return error;
}
}
TRACE_FLOW_EXIT();
return error;
}
/* Copy configuration */
int ini_config_copy(struct ini_cfgobj *ini_config,
struct ini_cfgobj **ini_new)
{
int error = EOK;
struct ini_cfgobj *new_co;
TRACE_FLOW_ENTRY();
if ((!ini_config) ||
(!ini_new)) {
TRACE_ERROR_NUMBER("Invalid argument", EINVAL);
return EINVAL;
}
/* Create a new configuration object */
errno = 0;
new_co = malloc(sizeof(struct ini_cfgobj));
if (!new_co) {
error = errno;
TRACE_ERROR_NUMBER("Failed to allocate memory", ENOMEM);
return ENOMEM;
}
new_co->cfg = NULL;
new_co->boundary = ini_config->boundary;
error = col_copy_collection_with_cb(&(new_cfg->cfg),
ini_config->cfg,
INI_CONFIG_NAME,
COL_COPY_NORMAL,
ini_copy_cb,
NULL);
if (error) {
TRACE_ERROR_NUMBER("Failed to copy collection", error);
ini_config_destroy(new_co);
return error;
}
*ini_new = new_co;
TRACE_FLOW_EXIT();
return error;
}
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