trunk/src/relationsx.h

/***************************************
 $Header: /home/amb/CVS/routino/src/relationsx.h,v 1.1 2010-09-17 17:42:26 amb Exp $

 A header file for the extended Relations structure.

 Part of the Routino routing software.
 ******************/ /******************
 This file Copyright 2010 Andrew M. Bishop

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero 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 Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ***************************************/


#ifndef RELATIONSX_H
#define RELATIONSX_H    /*+ To stop multiple inclusions. +*/

#include <stdint.h>

#include "types.h"

#include "typesx.h"


/* Data structures */


/*+ An extended structure containing a single route relation. +*/
struct _RouteRelX
{
 relation_t id;                 /*+ The relation identifier. +*/

 allow_t    routes;             /*+ The types of route that this relation belongs to. +*/
};


/*+ A structure containing a set of relations. +*/
struct _RelationsX
{
 /* Route relations */

 char      *rfilename;         /*+ The name of the temporary file (for the RouteRelX). +*/
 int        rfd;               /*+ The file descriptor of the temporary file (for the RouteRelX). +*/

 index_t    rxnumber;          /*+ The number of unsorted extended route relations. +*/

#if !SLIM

 RouteRelX *rxdata;             /*+ The extended data for the route relations (sorted). +*/

#else

 RouteRelX  rxcached[2];        /*+ Two cached route relations read from the file in slim mode. +*/

#endif

 index_t    rnumber;            /*+ How many route relation entries are still useful? +*/

 size_t    *ridata;             /*+ The index of the extended data for the route relations (sorted by ID). +*/
};


/* Functions */


RelationsX *NewRelationList(int append);
void FreeRelationList(RelationsX *relationsx,int keep);

void AppendRouteRelation(RelationsX* relationsx,relation_t id,allow_t routes,
                         way_t *ways,int nways,
                         relation_t *relations,int nrelations);

void SortRelationList(RelationsX *relationsx);

void ProcessRouteRelations(RelationsX *relationsx,WaysX *waysx);


#endif /* RELATIONSX_H */
1	/***************************************
2	$Header: /home/amb/CVS/routino/src/relationsx.h,v 1.1 2010-09-17 17:42:26 amb Exp $
3
4	A header file for the extended Relations structure.
5
6	Part of the Routino routing software.
7	****************/ /****************
8	This file Copyright 2010 Andrew M. Bishop
9
10	This program is free software: you can redistribute it and/or modify
11	it under the terms of the GNU Affero General Public License as published by
12	the Free Software Foundation, either version 3 of the License, or
13	(at your option) any later version.
14
15	This program is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	GNU Affero General Public License for more details.
19
20	You should have received a copy of the GNU Affero General Public License
21	along with this program. If not, see <http://www.gnu.org/licenses/>.
22	***************************************/
23
24
25	#ifndef RELATIONSX_H
26	#define RELATIONSX_H /+ To stop multiple inclusions. +/
27
28	#include <stdint.h>
29
30	#include "types.h"
31
32	#include "typesx.h"
33
34
35	/* Data structures */
36
37
38	/+ An extended structure containing a single route relation. +/
39	struct _RouteRelX
40	{
41	relation_t id; /+ The relation identifier. +/
42
43	allow_t routes; /+ The types of route that this relation belongs to. +/
44	};
45
46
47	/+ A structure containing a set of relations. +/
48	struct _RelationsX
49	{
50	/* Route relations */
51
52	char rfilename; /+ The name of the temporary file (for the RouteRelX). +*/
53	int rfd; /+ The file descriptor of the temporary file (for the RouteRelX). +/
54
55	index_t rxnumber; /+ The number of unsorted extended route relations. +/
56
57	#if !SLIM
58
59	RouteRelX rxdata; /+ The extended data for the route relations (sorted). +*/
60
61	#else
62
63	RouteRelX rxcached[2]; /+ Two cached route relations read from the file in slim mode. +/
64
65	#endif
66
67	index_t rnumber; /+ How many route relation entries are still useful? +/
68
69	size_t ridata; /+ The index of the extended data for the route relations (sorted by ID). +*/
70	};
71
72
73	/* Functions */
74
75
76	RelationsX *NewRelationList(int append);
77	void FreeRelationList(RelationsX *relationsx,int keep);
78
79	void AppendRouteRelation(RelationsX* relationsx,relation_t id,allow_t routes,
80	way_t *ways,int nways,
81	relation_t *relations,int nrelations);
82
83	void SortRelationList(RelationsX *relationsx);
84
85	void ProcessRouteRelations(RelationsX relationsx,WaysX waysx);
86
87
88	#endif /* RELATIONSX_H */