libroutino/src/router%2Blib.c

/***************************************
 OSM router using libroutino library.

 Part of the Routino routing software.
 ******************/ /******************
 This file Copyright 2008-2015 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/>.
 ***************************************/


#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

#include "routino.h"


/*+ The maximum number of waypoints +*/
#define NWAYPOINTS 99


/* Local functions */

static char *FileName(const char *dirname,const char *prefix, const char *name);
static void print_usage(int detail,const char *argerr,const char *err);


/*++++++++++++++++++++++++++++++++++++++
  The main program for the router.
  ++++++++++++++++++++++++++++++++++++++*/

int main(int argc,char** argv)
{
 Routino_Database    *database;
 Routino_Profile     *profile;
 Routino_Translation *translation;
 Routino_Waypoint   **waypoints;
 Routino_Output      *route;
 int                  point_used[NWAYPOINTS+1]={0};
 double               point_lon[NWAYPOINTS+1],point_lat[NWAYPOINTS+1];
 char                *dirname=NULL,*prefix=NULL;
 char                *profiles=NULL,*profilename="motorcar";
 char                *translations=NULL,*language="en";
 int                  reverse=0,loop=0;
 int                  quickest=0;
 int                  html=0,gpx_track=0,gpx_route=0,text=0,text_all=0,none=0,use_stdout=0;
 int                  list_html=0,list_text=0,list_text_all=0;
 int                  arg;
 int                  first_waypoint=NWAYPOINTS,last_waypoint=1,inc_dec_waypoint,waypoint,nwaypoints=0;
 int                  routing_options;

 /* Check the libroutino API version */

 if(Routino_CheckAPIVersion()!=ROUTINO_ERROR_NONE)
   {
    fprintf(stderr,"Error: Executable version (%d) and library version (%d) do not match.\n",ROUTINO_API_VERSION,Routino_APIVersion);
    exit(EXIT_FAILURE);
   }

 /* Parse the command line arguments */

 if(argc<2)
    print_usage(0,NULL,NULL);

 /* Get the non-routing, general program options */

 for(arg=1;arg<argc;arg++)
   {
    if(!strcmp(argv[arg],"--help"))
       print_usage(1,NULL,NULL);
    else if(!strncmp(argv[arg],"--dir=",6))
       dirname=&argv[arg][6];
    else if(!strncmp(argv[arg],"--prefix=",9))
       prefix=&argv[arg][9];
    else if(!strncmp(argv[arg],"--profiles=",11))
       profiles=&argv[arg][11];
    else if(!strncmp(argv[arg],"--translations=",15))
       translations=&argv[arg][15];
    else if(!strcmp(argv[arg],"--reverse"))
       reverse=1;
    else if(!strcmp(argv[arg],"--loop"))
       loop=1;
    else if(!strcmp(argv[arg],"--output-html"))
       html=1;
    else if(!strcmp(argv[arg],"--output-gpx-track"))
       gpx_track=1;
    else if(!strcmp(argv[arg],"--output-gpx-route"))
       gpx_route=1;
    else if(!strcmp(argv[arg],"--output-text"))
       text=1;
    else if(!strcmp(argv[arg],"--output-text-all"))
       text_all=1;
    else if(!strcmp(argv[arg],"--output-none"))
       none=1;
    else if(!strcmp(argv[arg],"--output-stdout"))
       use_stdout=1;
    else if(!strcmp(argv[arg],"--list-html"))
       list_html=1;
    else if(!strcmp(argv[arg],"--list-text"))
       list_text=1;
    else if(!strcmp(argv[arg],"--list-text-all"))
       list_text_all=1;
    else if(!strncmp(argv[arg],"--profile=",10))
       profilename=&argv[arg][10];
    else if(!strncmp(argv[arg],"--language=",11))
       language=&argv[arg][11];
    else if(!strcmp(argv[arg],"--shortest"))
       quickest=0;
    else if(!strcmp(argv[arg],"--quickest"))
       quickest=1;
    else if(!strncmp(argv[arg],"--lon",5) && isdigit(argv[arg][5]))
      {
       int point;
       char *p=&argv[arg][6];

       while(isdigit(*p)) p++;
       if(*p++!='=')
          print_usage(0,argv[arg],NULL);
 
       point=atoi(&argv[arg][5]);
       if(point>NWAYPOINTS || point_used[point]&1)
          print_usage(0,argv[arg],NULL);
 
       point_lon[point]=atof(p);
       point_used[point]+=1;

       if(point<first_waypoint)
          first_waypoint=point;
       if(point>last_waypoint)
          last_waypoint=point;
      }
    else if(!strncmp(argv[arg],"--lat",5) && isdigit(argv[arg][5]))
      {
       int point;
       char *p=&argv[arg][6];

       while(isdigit(*p)) p++;
       if(*p++!='=')
          print_usage(0,argv[arg],NULL);
 
       point=atoi(&argv[arg][5]);
       if(point>NWAYPOINTS || point_used[point]&2)
          print_usage(0,argv[arg],NULL);
 
       point_lat[point]=atof(p);
       point_used[point]+=2;

       if(point<first_waypoint)
          first_waypoint=point;
       if(point>last_waypoint)
          last_waypoint=point;
      }
    else
       print_usage(0,argv[arg],NULL);

    argv[arg]=NULL;
   }

 /* Check the specified command line options */

 if(use_stdout && (html+gpx_track+gpx_route+text+text_all)!=1)
   {
    fprintf(stderr,"Error: The '--output-stdout' option requires exactly one other output option (but not '--output-none').\n");
    exit(EXIT_FAILURE);
   }

 if(html==0 && gpx_track==0 && gpx_route==0 && text==0 && text_all==0 && none==0)
    html=gpx_track=gpx_route=text=text_all=1;

 /* Load in the selected profiles */

 if(profiles)
   {
    if(access(profiles,F_OK))
      {
       fprintf(stderr,"Error: The '--profiles' option specifies a file that does not exist.\n");
       exit(EXIT_FAILURE);
      }
   }
 else
   {
    profiles=FileName(dirname,prefix,"profiles.xml");

    if(access(profiles,F_OK))
      {
       free(profiles);

       profiles=FileName(ROUTINO_DATADIR,NULL,"profiles.xml");

       if(access(profiles,F_OK))
         {
          fprintf(stderr,"Error: The '--profiles' option was not used and the default 'profiles.xml' does not exist.\n");
          exit(EXIT_FAILURE);
         }
      }
   }

 if(!profilename)
   {
    fprintf(stderr,"Error: A profile name must be specified.\n");
    exit(EXIT_FAILURE);
   }

 if(Routino_ParseXMLProfiles(profiles))
   {
    fprintf(stderr,"Error: Cannot read the profiles in the file '%s'.\n",profiles);
    exit(EXIT_FAILURE);
   }

 profile=Routino_GetProfile(profilename);

 if(!profile)
   {
    char **list=Routino_GetProfileNames();

    fprintf(stderr,"Error: Cannot find a profile called '%s' in '%s'.\n",profilename,profiles);

    fprintf(stderr,"Profiles available are: %s",*list++);
    while(*list)
       fprintf(stderr,", %s",*list++);
    fprintf(stderr,"\n");

    exit(EXIT_FAILURE);
   }

 /* Load in the selected translation */

  if(translations)
    {
     if(access(translations,F_OK))
       {
        fprintf(stderr,"Error: The '--translations' option specifies a file that does not exist.\n");
        exit(EXIT_FAILURE);
       }
    }
  else
    {
     translations=FileName(dirname,prefix,"translations.xml");

     if(access(translations,F_OK))
       {
        free(translations);

        translations=FileName(ROUTINO_DATADIR,NULL,"translations.xml");

        if(access(translations,F_OK))
          {
           fprintf(stderr,"Error: The '--translations' option was not used and the default 'translations.xml' does not exist.\n");
           exit(EXIT_FAILURE);
          }
       }
    }

  if(Routino_ParseXMLTranslations(translations))
    {
     fprintf(stderr,"Error: Cannot read the translations in the file '%s'.\n",translations);
     exit(EXIT_FAILURE);
    }

  if(language)
    {
     translation=Routino_GetTranslation(language);

     if(!translation)
       {
        char **list=Routino_GetTranslationLanguages();

        fprintf(stderr,"Warning: Cannot find a translation called '%s' in '%s'.\n",language,translations);

        fprintf(stderr,"Languages available are: %s",*list++);
        while(*list)
           fprintf(stderr,", %s",*list++);
        fprintf(stderr,"\n");

        exit(EXIT_FAILURE);
       }
    }
  else
    {
     translation=Routino_GetTranslation(""); /* first in file */

     if(!translation)
       {
        fprintf(stderr,"Warning: No translations in '%s'.\n",translations);
        exit(EXIT_FAILURE);
       }
    }

 /* Check the waypoints are valid */

 for(waypoint=first_waypoint;waypoint<=last_waypoint;waypoint++)
    if(point_used[waypoint]==1 || point_used[waypoint]==2)
       print_usage(0,NULL,"All waypoints must have latitude and longitude.");
    else if(point_used[waypoint]==3)
       nwaypoints++;

 if(first_waypoint>=last_waypoint)
   {
    fprintf(stderr,"Error: At least two waypoints must be specified.\n");
    exit(EXIT_FAILURE);
   }

 waypoints=calloc(sizeof(Routino_Waypoint*),nwaypoints+2);

 /* Load in the routing database */

 database=Routino_LoadDatabase(dirname,prefix);

 /* Check the profile is valid for use with this database */

 Routino_ValidateProfile(database,profile);

 /* Check for reverse direction */

 if(reverse)
   {
    int temp;

    temp=first_waypoint;
    first_waypoint=last_waypoint;
    last_waypoint=temp;

    last_waypoint--;

    inc_dec_waypoint=-1;
   }
 else
   {
    last_waypoint++;

    inc_dec_waypoint=1;
   }

 /* Loop through all waypoints */

 nwaypoints=0;

 for(waypoint=first_waypoint;waypoint!=last_waypoint;waypoint+=inc_dec_waypoint)
    if(point_used[waypoint]==3)
      {
       waypoints[nwaypoints]=Routino_FindWaypoint(database,profile,point_lat[waypoint],point_lon[waypoint]);

       if(!waypoints[nwaypoints])
         {
          fprintf(stderr,"Error: Cannot find node close to specified point %d.\n",waypoint);
          exit(EXIT_FAILURE);
         }

       nwaypoints++;
      }

 if(loop)
    waypoints[nwaypoints++]=waypoints[0];

 /* Create the route */

 routing_options=0;

 if(quickest)
    routing_options|=ROUTINO_ROUTE_QUICKEST;
 else
    routing_options|=ROUTINO_ROUTE_SHORTEST;

 if(html     ) routing_options|=ROUTINO_ROUTE_FILE_HTML;
 if(gpx_track) routing_options|=ROUTINO_ROUTE_FILE_GPX_TRACK;
 if(gpx_route) routing_options|=ROUTINO_ROUTE_FILE_GPX_ROUTE;
 if(text     ) routing_options|=ROUTINO_ROUTE_FILE_TEXT;
 if(text_all ) routing_options|=ROUTINO_ROUTE_FILE_TEXT_ALL;

 if(list_html)     routing_options|=ROUTINO_ROUTE_LIST_HTML;
 if(list_text)     routing_options|=ROUTINO_ROUTE_LIST_TEXT;
 if(list_text_all) routing_options|=ROUTINO_ROUTE_LIST_TEXT_ALL;

 route=Routino_CalculateRoute(database,profile,translation,waypoints,nwaypoints,routing_options,NULL);

 if(Routino_errno>=ROUTINO_ERROR_NO_ROUTE_1)
   {
    fprintf(stderr,"Error: Cannot find a route between specified waypoints.\n");
    exit(EXIT_FAILURE);
   }
 else if(Routino_errno!=ROUTINO_ERROR_NONE)
   {
    fprintf(stderr,"Error: Internal error (%d).\n",Routino_errno);
    exit(EXIT_FAILURE);
   }

 /* Print the list output */

 if(list_html || list_text || list_text_all)
   {
    Routino_Output *list=route;
    int first=1,last;

    while(list)
      {
       last=list->next?0:1;

       printf("----------------\n");
       printf("Lon,Lat: %.5f, %.5f\n",list->lon,list->lat);

       if((list_html && !last) || list_text || list_text_all)
          printf("Dist,Time: %.3f km, %.1f minutes\n",list->dist,list->time);

       if(list_text_all && !first)
          printf("Speed: %.0f km/hr\n",list->speed);

       printf("Point type: %d\n",list->type);

       if((list_text || list_html) && !first && !last)
          printf("Turn: %d degrees\n",list->turn);

       if(((list_text || list_html) && !last) || (list_text_all && !first))
          printf("Bearing: %d degrees\n",list->bearing);

       if(((list_text || list_html) && !last) || (list_text_all && !first))
          printf("Name: %s\n",list->name);

       if(list_html)
         {
          printf("Desc1: %s\n",list->desc1);
          printf("Desc2: %s\n",list->desc2);

          if(!last)
             printf("Desc3: %s\n",list->desc3);
         }

       list=list->next;
       first=0;
      }
   }

 /* Tidy up and exit */

 Routino_DeleteRoute(route);

 Routino_UnloadDatabase(database);

 Routino_FreeXMLProfiles();

 Routino_FreeXMLTranslations();

 for(waypoint=0;waypoint<nwaypoints;waypoint++)
    free(waypoints[waypoint]);

 free(waypoints);

 exit(EXIT_SUCCESS);
}


/*++++++++++++++++++++++++++++++++++++++
  Return a filename composed of the dirname, prefix and name.

  char *FileName Returns a pointer to memory allocated to the filename.

  const char *dirname The directory name.

  const char *prefix The file prefix.

  const char *name The main part of the name.
  ++++++++++++++++++++++++++++++++++++++*/

static char *FileName(const char *dirname,const char *prefix, const char *name)
{
 char *filename=(char*)malloc((dirname?strlen(dirname):0)+1+(prefix?strlen(prefix):0)+1+strlen(name)+1);

 sprintf(filename,"%s%s%s%s%s",dirname?dirname:"",dirname?"/":"",prefix?prefix:"",prefix?"-":"",name);

 return(filename);
}


/*++++++++++++++++++++++++++++++++++++++
  Print out the usage information.

  int detail The level of detail to use - 0 = low, 1 = high.

  const char *argerr The argument that gave the error (if there is one).

  const char *err Other error message (if there is one).
  ++++++++++++++++++++++++++++++++++++++*/

static void print_usage(int detail,const char *argerr,const char *err)
{
 fprintf(stderr,
         "Usage: router [--help ]\n"
         "              [--dir=<dirname>] [--prefix=<name>]\n"
         "              [--profiles=<filename>] [--translations=<filename>]\n"
         "              [--language=<lang>]\n"
         "              [--output-html]\n"
         "              [--output-gpx-track] [--output-gpx-route]\n"
         "              [--output-text] [--output-text-all]\n"
         "              [--output-none] [--output-stdout]\n"
         "              [--profile=<name>]\n"
         "              [--shortest | --quickest]\n"
         "              --lon1=<longitude> --lat1=<latitude>\n"
         "              --lon2=<longitude> --lon2=<latitude>\n"
         "              [ ... --lon99=<longitude> --lon99=<latitude>]\n"
         "              [--reverse] [--loop]\n");

 if(argerr)
    fprintf(stderr,
            "\n"
            "Error with command line parameter: %s\n",argerr);

 if(err)
    fprintf(stderr,
            "\n"
            "Error: %s\n",err);

 if(detail)
    fprintf(stderr,
            "\n"
            "--help                  Prints this information.\n"
            "\n"
            "--dir=<dirname>         The directory containing the routing database.\n"
            "--prefix=<name>         The filename prefix for the routing database.\n"
            "--profiles=<filename>   The name of the XML file containing the profiles\n"
            "                        (defaults to 'profiles.xml' with '--dir' and\n"
            "                         '--prefix' options or the file installed in\n"
            "                         '" ROUTINO_DATADIR "').\n"
            "--translations=<fname>  The name of the XML file containing the translations\n"
            "                        (defaults to 'translations.xml' with '--dir' and\n"
            "                         '--prefix' options or the file installed in\n"
            "                         '" ROUTINO_DATADIR "').\n"
            "\n"
            "--language=<lang>       Use the translations for specified language.\n"
            "--output-html           Write an HTML description of the route.\n"
            "--output-gpx-track      Write a GPX track file with all route points.\n"
            "--output-gpx-route      Write a GPX route file with interesting junctions.\n"
            "--output-text           Write a plain text file with interesting junctions.\n"
            "--output-text-all       Write a plain test file with all route points.\n"
            "--output-none           Don't write any output files or read any translations.\n"
            "                        (If no output option is given then all are written.)\n"
            "--output-stdout         Write to stdout instead of a file (requires exactly\n"
            "                        one output format option, implies '--quiet').\n"
            "\n"
            "--profile=<name>        Select the loaded profile with this name.\n"
            "\n"
            "--shortest              Find the shortest route between the waypoints.\n"
            "--quickest              Find the quickest route between the waypoints.\n"
            "\n"
            "--lon<n>=<longitude>    Specify the longitude of the n'th waypoint.\n"
            "--lat<n>=<latitude>     Specify the latitude of the n'th waypoint.\n"
            "\n"
            "--reverse               Find a route between the waypoints in reverse order.\n"
            "--loop                  Find a route that returns to the first waypoint.\n"
            "\n");

 exit(!detail);
}
1	/***************************************
2	OSM router using libroutino library.
3
4	Part of the Routino routing software.
5	****************/ /****************
6	This file Copyright 2008-2015 Andrew M. Bishop
7
8	This program is free software: you can redistribute it and/or modify
9	it under the terms of the GNU Affero General Public License as published by
10	the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.
12
13	This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU Affero General Public License for more details.
17
18	You should have received a copy of the GNU Affero General Public License
19	along with this program. If not, see <http://www.gnu.org/licenses/>.
20	***************************************/
21
22
23	#include <unistd.h>
24	#include <stdio.h>
25	#include <string.h>
26	#include <stdlib.h>
27	#include <ctype.h>
28
29	#include "routino.h"
30
31
32	/+ The maximum number of waypoints +/
33	#define NWAYPOINTS 99
34
35
36	/* Local functions */
37
38	static char FileName(const char dirname,const char prefix, const char name);
39	static void print_usage(int detail,const char argerr,const char err);
40
41
42	/*++++++++++++++++++++++++++++++++++++++
43	The main program for the router.
44	++++++++++++++++++++++++++++++++++++++*/
45
46	int main(int argc,char** argv)
47	{
48	Routino_Database *database;
49	Routino_Profile *profile;
50	Routino_Translation *translation;
51	Routino_Waypoint **waypoints;
52	Routino_Output *route;
53	int point_used[NWAYPOINTS+1]={0};
54	double point_lon[NWAYPOINTS+1],point_lat[NWAYPOINTS+1];
55	char dirname=NULL,prefix=NULL;
56	char profiles=NULL,profilename="motorcar";
57	char translations=NULL,language="en";
58	int reverse=0,loop=0;
59	int quickest=0;
60	int html=0,gpx_track=0,gpx_route=0,text=0,text_all=0,none=0,use_stdout=0;
61	int list_html=0,list_text=0,list_text_all=0;
62	int arg;
63	int first_waypoint=NWAYPOINTS,last_waypoint=1,inc_dec_waypoint,waypoint,nwaypoints=0;
64	int routing_options;
65
66	/* Check the libroutino API version */
67
68	if(Routino_CheckAPIVersion()!=ROUTINO_ERROR_NONE)
69	{
70	fprintf(stderr,"Error: Executable version (%d) and library version (%d) do not match.\n",ROUTINO_API_VERSION,Routino_APIVersion);
71	exit(EXIT_FAILURE);
72	}
73
74	/* Parse the command line arguments */
75
76	if(argc<2)
77	print_usage(0,NULL,NULL);
78
79	/* Get the non-routing, general program options */
80
81	for(arg=1;arg<argc;arg++)
82	{
83	if(!strcmp(argv[arg],"--help"))
84	print_usage(1,NULL,NULL);
85	else if(!strncmp(argv[arg],"--dir=",6))
86	dirname=&argv[arg][6];
87	else if(!strncmp(argv[arg],"--prefix=",9))
88	prefix=&argv[arg][9];
89	else if(!strncmp(argv[arg],"--profiles=",11))
90	profiles=&argv[arg][11];
91	else if(!strncmp(argv[arg],"--translations=",15))
92	translations=&argv[arg][15];
93	else if(!strcmp(argv[arg],"--reverse"))
94	reverse=1;
95	else if(!strcmp(argv[arg],"--loop"))
96	loop=1;
97	else if(!strcmp(argv[arg],"--output-html"))
98	html=1;
99	else if(!strcmp(argv[arg],"--output-gpx-track"))
100	gpx_track=1;
101	else if(!strcmp(argv[arg],"--output-gpx-route"))
102	gpx_route=1;
103	else if(!strcmp(argv[arg],"--output-text"))
104	text=1;
105	else if(!strcmp(argv[arg],"--output-text-all"))
106	text_all=1;
107	else if(!strcmp(argv[arg],"--output-none"))
108	none=1;
109	else if(!strcmp(argv[arg],"--output-stdout"))
110	use_stdout=1;
111	else if(!strcmp(argv[arg],"--list-html"))
112	list_html=1;
113	else if(!strcmp(argv[arg],"--list-text"))
114	list_text=1;
115	else if(!strcmp(argv[arg],"--list-text-all"))
116	list_text_all=1;
117	else if(!strncmp(argv[arg],"--profile=",10))
118	profilename=&argv[arg][10];
119	else if(!strncmp(argv[arg],"--language=",11))
120	language=&argv[arg][11];
121	else if(!strcmp(argv[arg],"--shortest"))
122	quickest=0;
123	else if(!strcmp(argv[arg],"--quickest"))
124	quickest=1;
125	else if(!strncmp(argv[arg],"--lon",5) && isdigit(argv[arg][5]))
126	{
127	int point;
128	char *p=&argv[arg][6];
129
130	while(isdigit(*p)) p++;
131	if(*p++!='=')
132	print_usage(0,argv[arg],NULL);
133
134	point=atoi(&argv[arg][5]);
135	if(point>NWAYPOINTS \|\| point_used[point]&1)
136	print_usage(0,argv[arg],NULL);
137
138	point_lon[point]=atof(p);
139	point_used[point]+=1;
140
141	if(point<first_waypoint)
142	first_waypoint=point;
143	if(point>last_waypoint)
144	last_waypoint=point;
145	}
146	else if(!strncmp(argv[arg],"--lat",5) && isdigit(argv[arg][5]))
147	{
148	int point;
149	char *p=&argv[arg][6];
150
151	while(isdigit(*p)) p++;
152	if(*p++!='=')
153	print_usage(0,argv[arg],NULL);
154
155	point=atoi(&argv[arg][5]);
156	if(point>NWAYPOINTS \|\| point_used[point]&2)
157	print_usage(0,argv[arg],NULL);
158
159	point_lat[point]=atof(p);
160	point_used[point]+=2;
161
162	if(point<first_waypoint)
163	first_waypoint=point;
164	if(point>last_waypoint)
165	last_waypoint=point;
166	}
167	else
168	print_usage(0,argv[arg],NULL);
169
170	argv[arg]=NULL;
171	}
172
173	/* Check the specified command line options */
174
175	if(use_stdout && (html+gpx_track+gpx_route+text+text_all)!=1)
176	{
177	fprintf(stderr,"Error: The '--output-stdout' option requires exactly one other output option (but not '--output-none').\n");
178	exit(EXIT_FAILURE);
179	}
180
181	if(html==0 && gpx_track==0 && gpx_route==0 && text==0 && text_all==0 && none==0)
182	html=gpx_track=gpx_route=text=text_all=1;
183
184	/* Load in the selected profiles */
185
186	if(profiles)
187	{
188	if(access(profiles,F_OK))
189	{
190	fprintf(stderr,"Error: The '--profiles' option specifies a file that does not exist.\n");
191	exit(EXIT_FAILURE);
192	}
193	}
194	else
195	{
196	profiles=FileName(dirname,prefix,"profiles.xml");
197
198	if(access(profiles,F_OK))
199	{
200	free(profiles);
201
202	profiles=FileName(ROUTINO_DATADIR,NULL,"profiles.xml");
203
204	if(access(profiles,F_OK))
205	{
206	fprintf(stderr,"Error: The '--profiles' option was not used and the default 'profiles.xml' does not exist.\n");
207	exit(EXIT_FAILURE);
208	}
209	}
210	}
211
212	if(!profilename)
213	{
214	fprintf(stderr,"Error: A profile name must be specified.\n");
215	exit(EXIT_FAILURE);
216	}
217
218	if(Routino_ParseXMLProfiles(profiles))
219	{
220	fprintf(stderr,"Error: Cannot read the profiles in the file '%s'.\n",profiles);
221	exit(EXIT_FAILURE);
222	}
223
224	profile=Routino_GetProfile(profilename);
225
226	if(!profile)
227	{
228	char **list=Routino_GetProfileNames();
229
230	fprintf(stderr,"Error: Cannot find a profile called '%s' in '%s'.\n",profilename,profiles);
231
232	fprintf(stderr,"Profiles available are: %s",*list++);
233	while(*list)
234	fprintf(stderr,", %s",*list++);
235	fprintf(stderr,"\n");
236
237	exit(EXIT_FAILURE);
238	}
239
240	/* Load in the selected translation */
241
242	if(translations)
243	{
244	if(access(translations,F_OK))
245	{
246	fprintf(stderr,"Error: The '--translations' option specifies a file that does not exist.\n");
247	exit(EXIT_FAILURE);
248	}
249	}
250	else
251	{
252	translations=FileName(dirname,prefix,"translations.xml");
253
254	if(access(translations,F_OK))
255	{
256	free(translations);
257
258	translations=FileName(ROUTINO_DATADIR,NULL,"translations.xml");
259
260	if(access(translations,F_OK))
261	{
262	fprintf(stderr,"Error: The '--translations' option was not used and the default 'translations.xml' does not exist.\n");
263	exit(EXIT_FAILURE);
264	}
265	}
266	}
267
268	if(Routino_ParseXMLTranslations(translations))
269	{
270	fprintf(stderr,"Error: Cannot read the translations in the file '%s'.\n",translations);
271	exit(EXIT_FAILURE);
272	}
273
274	if(language)
275	{
276	translation=Routino_GetTranslation(language);
277
278	if(!translation)
279	{
280	char **list=Routino_GetTranslationLanguages();
281
282	fprintf(stderr,"Warning: Cannot find a translation called '%s' in '%s'.\n",language,translations);
283
284	fprintf(stderr,"Languages available are: %s",*list++);
285	while(*list)
286	fprintf(stderr,", %s",*list++);
287	fprintf(stderr,"\n");
288
289	exit(EXIT_FAILURE);
290	}
291	}
292	else
293	{
294	translation=Routino_GetTranslation(""); /* first in file */
295
296	if(!translation)
297	{
298	fprintf(stderr,"Warning: No translations in '%s'.\n",translations);
299	exit(EXIT_FAILURE);
300	}
301	}
302
303	/* Check the waypoints are valid */
304
305	for(waypoint=first_waypoint;waypoint<=last_waypoint;waypoint++)
306	if(point_used[waypoint]==1 \|\| point_used[waypoint]==2)
307	print_usage(0,NULL,"All waypoints must have latitude and longitude.");
308	else if(point_used[waypoint]==3)
309	nwaypoints++;
310
311	if(first_waypoint>=last_waypoint)
312	{
313	fprintf(stderr,"Error: At least two waypoints must be specified.\n");
314	exit(EXIT_FAILURE);
315	}
316
317	waypoints=calloc(sizeof(Routino_Waypoint*),nwaypoints+2);
318
319	/* Load in the routing database */
320
321	database=Routino_LoadDatabase(dirname,prefix);
322
323	/* Check the profile is valid for use with this database */
324
325	Routino_ValidateProfile(database,profile);
326
327	/* Check for reverse direction */
328
329	if(reverse)
330	{
331	int temp;
332
333	temp=first_waypoint;
334	first_waypoint=last_waypoint;
335	last_waypoint=temp;
336
337	last_waypoint--;
338
339	inc_dec_waypoint=-1;
340	}
341	else
342	{
343	last_waypoint++;
344
345	inc_dec_waypoint=1;
346	}
347
348	/* Loop through all waypoints */
349
350	nwaypoints=0;
351
352	for(waypoint=first_waypoint;waypoint!=last_waypoint;waypoint+=inc_dec_waypoint)
353	if(point_used[waypoint]==3)
354	{
355	waypoints[nwaypoints]=Routino_FindWaypoint(database,profile,point_lat[waypoint],point_lon[waypoint]);
356
357	if(!waypoints[nwaypoints])
358	{
359	fprintf(stderr,"Error: Cannot find node close to specified point %d.\n",waypoint);
360	exit(EXIT_FAILURE);
361	}
362
363	nwaypoints++;
364	}
365
366	if(loop)
367	waypoints[nwaypoints++]=waypoints[0];
368
369	/* Create the route */
370
371	routing_options=0;
372
373	if(quickest)
374	routing_options\|=ROUTINO_ROUTE_QUICKEST;
375	else
376	routing_options\|=ROUTINO_ROUTE_SHORTEST;
377
378	if(html ) routing_options\|=ROUTINO_ROUTE_FILE_HTML;
379	if(gpx_track) routing_options\|=ROUTINO_ROUTE_FILE_GPX_TRACK;
380	if(gpx_route) routing_options\|=ROUTINO_ROUTE_FILE_GPX_ROUTE;
381	if(text ) routing_options\|=ROUTINO_ROUTE_FILE_TEXT;
382	if(text_all ) routing_options\|=ROUTINO_ROUTE_FILE_TEXT_ALL;
383
384	if(list_html) routing_options\|=ROUTINO_ROUTE_LIST_HTML;
385	if(list_text) routing_options\|=ROUTINO_ROUTE_LIST_TEXT;
386	if(list_text_all) routing_options\|=ROUTINO_ROUTE_LIST_TEXT_ALL;
387
388	route=Routino_CalculateRoute(database,profile,translation,waypoints,nwaypoints,routing_options,NULL);
389
390	if(Routino_errno>=ROUTINO_ERROR_NO_ROUTE_1)
391	{
392	fprintf(stderr,"Error: Cannot find a route between specified waypoints.\n");
393	exit(EXIT_FAILURE);
394	}
395	else if(Routino_errno!=ROUTINO_ERROR_NONE)
396	{
397	fprintf(stderr,"Error: Internal error (%d).\n",Routino_errno);
398	exit(EXIT_FAILURE);
399	}
400
401	/* Print the list output */
402
403	if(list_html \|\| list_text \|\| list_text_all)
404	{
405	Routino_Output *list=route;
406	int first=1,last;
407
408	while(list)
409	{
410	last=list->next?0:1;
411
412	printf("----------------\n");
413	printf("Lon,Lat: %.5f, %.5f\n",list->lon,list->lat);
414
415	if((list_html && !last) \|\| list_text \|\| list_text_all)
416	printf("Dist,Time: %.3f km, %.1f minutes\n",list->dist,list->time);
417
418	if(list_text_all && !first)
419	printf("Speed: %.0f km/hr\n",list->speed);
420
421	printf("Point type: %d\n",list->type);
422
423	if((list_text \|\| list_html) && !first && !last)
424	printf("Turn: %d degrees\n",list->turn);
425
426	if(((list_text \|\| list_html) && !last) \|\| (list_text_all && !first))
427	printf("Bearing: %d degrees\n",list->bearing);
428
429	if(((list_text \|\| list_html) && !last) \|\| (list_text_all && !first))
430	printf("Name: %s\n",list->name);
431
432	if(list_html)
433	{
434	printf("Desc1: %s\n",list->desc1);
435	printf("Desc2: %s\n",list->desc2);
436
437	if(!last)
438	printf("Desc3: %s\n",list->desc3);
439	}
440
441	list=list->next;
442	first=0;
443	}
444	}
445
446	/* Tidy up and exit */
447
448	Routino_DeleteRoute(route);
449
450	Routino_UnloadDatabase(database);
451
452	Routino_FreeXMLProfiles();
453
454	Routino_FreeXMLTranslations();
455
456	for(waypoint=0;waypoint<nwaypoints;waypoint++)
457	free(waypoints[waypoint]);
458
459	free(waypoints);
460
461	exit(EXIT_SUCCESS);
462	}
463
464
465	/*++++++++++++++++++++++++++++++++++++++
466	Return a filename composed of the dirname, prefix and name.
467
468	char *FileName Returns a pointer to memory allocated to the filename.
469
470	const char *dirname The directory name.
471
472	const char *prefix The file prefix.
473
474	const char *name The main part of the name.
475	++++++++++++++++++++++++++++++++++++++*/
476
477	static char FileName(const char dirname,const char prefix, const char name)
478	{
479	char filename=(char)malloc((dirname?strlen(dirname):0)+1+(prefix?strlen(prefix):0)+1+strlen(name)+1);
480
481	sprintf(filename,"%s%s%s%s%s",dirname?dirname:"",dirname?"/":"",prefix?prefix:"",prefix?"-":"",name);
482
483	return(filename);
484	}
485
486
487	/*++++++++++++++++++++++++++++++++++++++
488	Print out the usage information.
489
490	int detail The level of detail to use - 0 = low, 1 = high.
491
492	const char *argerr The argument that gave the error (if there is one).
493
494	const char *err Other error message (if there is one).
495	++++++++++++++++++++++++++++++++++++++*/
496
497	static void print_usage(int detail,const char argerr,const char err)
498	{
499	fprintf(stderr,
500	"Usage: router [--help ]\n"
501	" [--dir=<dirname>] [--prefix=<name>]\n"
502	" [--profiles=<filename>] [--translations=<filename>]\n"
503	" [--language=<lang>]\n"
504	" [--output-html]\n"
505	" [--output-gpx-track] [--output-gpx-route]\n"
506	" [--output-text] [--output-text-all]\n"
507	" [--output-none] [--output-stdout]\n"
508	" [--profile=<name>]\n"
509	" [--shortest \| --quickest]\n"
510	" --lon1=<longitude> --lat1=<latitude>\n"
511	" --lon2=<longitude> --lon2=<latitude>\n"
512	" [ ... --lon99=<longitude> --lon99=<latitude>]\n"
513	" [--reverse] [--loop]\n");
514
515	if(argerr)
516	fprintf(stderr,
517	"\n"
518	"Error with command line parameter: %s\n",argerr);
519
520	if(err)
521	fprintf(stderr,
522	"\n"
523	"Error: %s\n",err);
524
525	if(detail)
526	fprintf(stderr,
527	"\n"
528	"--help Prints this information.\n"
529	"\n"
530	"--dir=<dirname> The directory containing the routing database.\n"
531	"--prefix=<name> The filename prefix for the routing database.\n"
532	"--profiles=<filename> The name of the XML file containing the profiles\n"
533	" (defaults to 'profiles.xml' with '--dir' and\n"
534	" '--prefix' options or the file installed in\n"
535	" '" ROUTINO_DATADIR "').\n"
536	"--translations=<fname> The name of the XML file containing the translations\n"
537	" (defaults to 'translations.xml' with '--dir' and\n"
538	" '--prefix' options or the file installed in\n"
539	" '" ROUTINO_DATADIR "').\n"
540	"\n"
541	"--language=<lang> Use the translations for specified language.\n"
542	"--output-html Write an HTML description of the route.\n"
543	"--output-gpx-track Write a GPX track file with all route points.\n"
544	"--output-gpx-route Write a GPX route file with interesting junctions.\n"
545	"--output-text Write a plain text file with interesting junctions.\n"
546	"--output-text-all Write a plain test file with all route points.\n"
547	"--output-none Don't write any output files or read any translations.\n"
548	" (If no output option is given then all are written.)\n"
549	"--output-stdout Write to stdout instead of a file (requires exactly\n"
550	" one output format option, implies '--quiet').\n"
551	"\n"
552	"--profile=<name> Select the loaded profile with this name.\n"
553	"\n"
554	"--shortest Find the shortest route between the waypoints.\n"
555	"--quickest Find the quickest route between the waypoints.\n"
556	"\n"
557	"--lon<n>=<longitude> Specify the longitude of the n'th waypoint.\n"
558	"--lat<n>=<latitude> Specify the latitude of the n'th waypoint.\n"
559	"\n"
560	"--reverse Find a route between the waypoints in reverse order.\n"
561	"--loop Find a route that returns to the first waypoint.\n"
562	"\n");
563
564	exit(!detail);
565	}