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/*
COLLECTION LIBRARY
Header file for internal structures used by the collection interface.
Copyright (C) Dmitri Pal <dpal@redhat.com> 2009
Collection 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.
Collection 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 Collection Library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef COLLECTION_PRIV_H
#define COLLECTION_PRIV_H
#include <stdint.h>
/* Define real strcutures */
/* Structure that holds one property.
* This structure should never be assumed and used directly other than
* inside the collection.c that contains actual implementation or
* collection_tools.c or collection_utils.c.
*/
struct collection_item {
/* Member that contains element linking information.
* This member should never be directly accessed by an application.
*/
struct collection_item *next;
/* Your implementation can assume that these members
* will always be members of the collection_item.
* but you should use get_item_xxx functions to get them.
*/
char *property;
int property_len;
int type;
int length;
void *data;
uint64_t phash;
};
/* Internal iterator structure - exposed for reference.
* Never access internals of this structure in your application.
*/
struct collection_iterator {
struct collection_item *top;
struct collection_item **stack;
unsigned stack_size;
unsigned stack_depth;
unsigned item_level;
int flags;
struct collection_item *end_item;
struct collection_item *pin;
unsigned pin_level;
unsigned can_break;
};
/* Special type of data that stores collection header information. */
struct collection_header {
struct collection_item *last;
unsigned reference_count;
unsigned count;
unsigned cclass;
};
/* Internal function to allocate item */
int col_allocate_item(struct collection_item **ci,
const char *property,
const void *item_data,
int length,
int type);
#endif
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