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/*
* The tree functions
*
* Copyright (C) 2010-2020, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program 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.
*
* 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined( _LIBFDATA_INTERNAL_TREE_H )
#define _LIBFDATA_INTERNAL_TREE_H
#include <common.h>
#include <types.h>
#include "libfdata_extern.h"
#include "libfdata_libcerror.h"
#include "libfdata_libfcache.h"
#include "libfdata_types.h"
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct libfdata_internal_tree libfdata_internal_tree_t;
struct libfdata_internal_tree
{
/* The root node
*/
libfdata_tree_node_t *root_node;
/* The flags
*/
uint8_t flags;
/* The calculate cache entry index value
*/
int (*calculate_cache_entry_index)(
int node_index,
int node_file_index,
off64_t node_offset,
size64_t node_size,
uint32_t node_flags,
int number_of_cache_entries );
/* The data handle
*/
intptr_t *data_handle;
/* The free data handle function
*/
int (*free_data_handle)(
intptr_t **data_handle,
libcerror_error_t **error );
/* The clone (duplicate) data handle function
*/
int (*clone_data_handle)(
intptr_t **destination_data_handle,
intptr_t *source_data_handle,
libcerror_error_t **error );
/* The read node function
*/
int (*read_node)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_tree_node_t *node,
libfdata_cache_t *cache,
int node_file_index,
off64_t node_offset,
size64_t node_size,
uint32_t node_flags,
uint8_t read_flags,
libcerror_error_t **error );
/* The read sub nodes function
*/
int (*read_sub_nodes)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_tree_node_t *node,
libfdata_cache_t *cache,
int sub_nodes_file_index,
off64_t sub_nodes_offset,
size64_t sub_nodes_size,
uint32_t sub_nodes_flags,
uint8_t read_flags,
libcerror_error_t **error );
};
LIBFDATA_EXTERN \
int libfdata_tree_initialize(
libfdata_tree_t **tree,
intptr_t *data_handle,
int (*free_data_handle)(
intptr_t **data_handle,
libcerror_error_t **error ),
int (*clone_data_handle)(
intptr_t **destination_data_handle,
intptr_t *source_data_handle,
libcerror_error_t **error ),
int (*read_node)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_tree_node_t *node,
libfdata_cache_t *cache,
int node_file_index,
off64_t node_offset,
size64_t node_size,
uint32_t node_flags,
uint8_t read_flags,
libcerror_error_t **error ),
int (*read_sub_nodes)(
intptr_t *data_handle,
intptr_t *file_io_handle,
libfdata_tree_node_t *node,
libfdata_cache_t *cache,
int sub_nodes_file_index,
off64_t sub_nodes_offset,
size64_t sub_nodes_size,
uint32_t sub_nodes_flags,
uint8_t read_flags,
libcerror_error_t **error ),
uint8_t flags,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_free(
libfdata_tree_t **tree,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_clone(
libfdata_tree_t **destination_tree,
libfdata_tree_t *source_tree,
libcerror_error_t **error );
/* Node value functions
*/
int libfdata_tree_get_node_value(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
libfdata_tree_node_t *node,
intptr_t **node_value,
uint8_t read_flags,
libcerror_error_t **error );
int libfdata_tree_set_node_value(
libfdata_tree_t *tree,
libfdata_cache_t *cache,
libfdata_tree_node_t *node,
intptr_t *node_value,
int (*free_node_value)(
intptr_t **node_value,
libcerror_error_t **error ),
uint8_t flags,
libcerror_error_t **error );
/* Sub node functions
*/
int libfdata_tree_read_sub_nodes(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
libfdata_tree_node_t *node,
uint8_t read_flags,
libcerror_error_t **error );
/* Root node functions
*/
LIBFDATA_EXTERN \
int libfdata_tree_get_root_node(
libfdata_tree_t *tree,
libfdata_tree_node_t **root_node,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_set_root_node(
libfdata_tree_t *tree,
int node_file_index,
off64_t node_offset,
size64_t node_size,
uint32_t node_flags,
libcerror_error_t **error );
/* Leaf node functions
*/
LIBFDATA_EXTERN \
int libfdata_tree_get_number_of_leaf_nodes(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
int *number_of_leaf_nodes,
uint8_t read_flags,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_get_leaf_node_by_index(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
int leaf_node_index,
libfdata_tree_node_t **leaf_node,
uint8_t read_flags,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_get_number_of_deleted_leaf_nodes(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
int *number_of_deleted_leaf_nodes,
uint8_t read_flags,
libcerror_error_t **error );
LIBFDATA_EXTERN \
int libfdata_tree_get_deleted_leaf_node_by_index(
libfdata_tree_t *tree,
intptr_t *file_io_handle,
libfdata_cache_t *cache,
int deleted_leaf_node_index,
libfdata_tree_node_t **deleted_leaf_node,
uint8_t read_flags,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif /* !defined( _LIBFDATA_INTERNAL_TREE_H ) */
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