path: root/e-util/e-dbhash.h

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Writes hashes that go to/from disk in db form. Hash keys are strings
 *
 * Author:
 *   JP Rosevear (jpr@helixcode.com)
 *
 * Copyright 2000, Helix Code, Inc.
 */

#ifndef __E_DBHASH_H__
#define __E_DBHASH_H__

#include <glib.h>

typedef enum {
    E_DBHASH_STATUS_SAME,
    E_DBHASH_STATUS_DIFFERENT,
    E_DBHASH_STATUS_NOT_FOUND,
} EDbHashStatus;

typedef struct _EDbHash EDbHash;
typedef struct _EDbHashPrivate EDbHashPrivate;

struct _EDbHash
{
    EDbHashPrivate *priv;
};

typedef void (*EDbHashFunc) (const char *key, gpointer user_data);

EDbHash *e_dbhash_new (const char *filename);

void e_dbhash_add (EDbHash *edbh, const char *key, const char *data);
void e_dbhash_remove (EDbHash *edbh, const char *key);

EDbHashStatus e_dbhash_compare (EDbHash *edbh, const char *key, const char *compare_data);
void e_dbhash_foreach_key (EDbHash *edbh, EDbHashFunc *func, gpointer user_data);

void e_dbhash_write (EDbHash *edbh);

void e_dbhash_destroy (EDbHash *edbh);

#endif /* ! __E_DBHASH_H__ */