config-lookup.h

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/*
  CONFIG-LOOKUP.h  -  Lookup functions for the config subsystem

  Copyright (C)         Lumiera.org
    2008,               Christian Thaeter <ct@pipapo.org>

  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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/


#ifndef COMMON_CONFIG_LOOKUP_H
#define COMMON_CONFIG_LOOKUP_H

#include "lib/psplay.h"
#include "lib/llist.h"
#include "lib/error.h"

typedef struct lumiera_config_lookup_struct lumiera_config_lookup;
typedef lumiera_config_lookup* LumieraConfigLookup;

typedef struct lumiera_config_lookupentry_struct lumiera_config_lookupentry;
typedef lumiera_config_lookupentry* LumieraConfigLookupentry;


#include "common/configitem.h"

#include <nobug.h>


LUMIERA_ERROR_DECLARE (CONFIG_LOOKUP);


struct lumiera_config_lookup_struct
{
  psplay tree;
};

LumieraConfigLookup
lumiera_config_lookup_init (LumieraConfigLookup self);

LumieraConfigLookup
lumiera_config_lookup_destroy (LumieraConfigLookup self);

LumieraConfigLookupentry
lumiera_config_lookup_insert (LumieraConfigLookup self, LumieraConfigitem item);


LumieraConfigLookupentry
lumiera_config_lookup_insert_default (LumieraConfigLookup self, LumieraConfigitem item);


LumieraConfigitem
lumiera_config_lookup_remove (LumieraConfigLookup self, LumieraConfigitem item);

LumieraConfigLookupentry
lumiera_config_lookup_find (LumieraConfigLookup self, const char* key);

LumieraConfigitem
lumiera_config_lookup_item_find (LumieraConfigLookup self, const char* key);

LumieraConfigitem
lumiera_config_lookup_item_tail_find (LumieraConfigLookup self, const char* key);



/* == lookup hash entries using the PSplay tree */


struct lumiera_config_lookupentry_struct
{
  psplaynode node;

  llist configitems;

  char* full_key;
};


/* internal */
LumieraConfigLookupentry
lumiera_config_lookupentry_init (LumieraConfigLookupentry self, const char* key);

LumieraConfigLookupentry
lumiera_config_lookupentry_new (const char* key);

/* internal */
LumieraConfigLookupentry
lumiera_config_lookupentry_destroy (LumieraConfigLookupentry self);


void
lumiera_config_lookupentry_delete (LumieraConfigLookupentry self);


#endif /*COMMON_CONFIG_LOOKUP_H*/
/*
// Local Variables:
// mode: C
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
*/