1 /***************************************
2 $Header: /home/amb/routino/src/RCS/waysx.h,v 1.21 2010/05/22 18:40:47 amb Exp $
4 A header file for the extended Ways structure.
6 Part of the Routino routing software.
7 ******************/ /******************
8 This file Copyright 2008-2010 Andrew M. Bishop
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.
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.
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 ***************************************/
26 #define WAYSX_H /*+ To stop multiple inclusions. +*/
38 /*+ An extended structure containing a single way. +*/
41 way_t id; /*+ The way identifier. +*/
43 index_t prop; /*+ The index of the properties of the way in the compacted list. +*/
45 Way way; /*+ The real Way data. +*/
49 /*+ A structure containing a set of ways (memory format). +*/
52 char *filename; /*+ The name of the temporary file (for the WaysX). +*/
53 int fd; /*+ The file descriptor of the temporary file (for the WaysX). +*/
55 uint32_t xnumber; /*+ The number of unsorted extended ways. +*/
57 WayX *xdata; /*+ The extended data for the Ways (sorted). +*/
58 WayX cached[2]; /*+ Two cached ways read from the file in slim mode. +*/
60 uint32_t number; /*+ How many entries are still useful? +*/
62 uint32_t cnumber; /*+ How many entries are there after compacting? +*/
64 index_t *idata; /*+ The index of the extended data for the Ways (sorted by ID). +*/
66 char *nfilename; /*+ The name of the temporary file (for the names). +*/
68 uint32_t nlength; /*+ How long is the string of name entries? +*/
75 WaysX *NewWayList(int append);
76 void FreeWayList(WaysX *waysx,int keep);
78 void SaveWayList(WaysX *waysx,const char *filename);
80 index_t IndexWayX(WaysX* waysx,way_t id);
81 WayX *LookupWayX(WaysX* waysx,index_t index,int position);
83 void AppendWay(WaysX* waysx,way_t id,Way *way,const char *name);
85 void SortWayList(WaysX *waysx);