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/*
Copyright (C) 2007 Alexander Atanasov <aatanasov@gmail.com>
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA
Garmin and MapSource are registered trademarks or trademarks
of Garmin Ltd. or one of its subsidiaries.
*/
/*
File format is:
POINT
GROUP,0x0100 = town_label_1e5, Megapolis (10M +)
GROUP,0x0200 = town_label_5e4, Megapolis (5-10M)
...
GROUP,0x1e00-0x1e3f = district_label, District, Province, State Name
...
POLYLINE
GROUP,0x00 = ALL, street_1_land, Road
GROUP,0x01 = MCTL, highway_land, Major HWY thick
GROUP,0x02 = MCTL, street_4_land, Principal HWY-thick
GROUP,0x03 = MCTL, street_2_land, Principal HWY-medium
....
POLYGONE
GROUP,0x01 = town_poly, City (>200k)
GROUP,0x02 = town_poly, City (<200k)
GROUP,0x03 = town_poly, Village
GROUP is
0 - RGN1
1 - RGN2-4
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include "item.h"
#include "attr.h"
#include "garmin.h"
#include "gar2navit.h"
static int add_def(struct gar2nav_conv *conv, int type, unsigned short minid,
unsigned short maxid, unsigned int group, char *ntype,
char *descr) {
enum item_type it;
struct gar2navit *g2n;
dlog(11, "group=%d type=%d routable=%u min=%04X max=%04X ntype=%s descr=%s\n",
group, type, minid, maxid, ntype, descr);
it = item_from_name(ntype);
if (it==type_none) {
dlog(1, "Please define: %s\n", ntype);
}
g2n = calloc(1, sizeof(*g2n));
if (!g2n)
return -1;
g2n->id = minid;
g2n->maxid = maxid;
g2n->ntype = it;
g2n->descr = strdup(descr);
g2n->group = group;
if (type == 1) {
g2n->next = conv->points;
conv->points = g2n;
} else if (type == 2) {
g2n->next = conv->polylines;
conv->polylines = g2n;
} else if (type == 3) {
g2n->next = conv->polygons;
conv->polygons = g2n;
}
return 0;
}
static int load_types_file(char *file, struct gar2nav_conv *conv) {
char buf[4096];
char descr[4096];
char ntype[4096];
FILE *fp;
unsigned int minid, maxid, group;
int rc;
int type = -1;
fp = fopen(file, "r");
if (!fp)
return -1;
while (fgets(buf, sizeof(buf), fp)) {
if (*buf == '#' || *buf == '\n')
continue;
if (!strncasecmp(buf, "POINT", 5)) {
type = 1;
continue;
} else if (!strncasecmp(buf, "POI", 3)) {
type = 1;
continue;
} else if (!strncasecmp(buf, "POLYLINE", 8)) {
type = 2;
continue;
} else if (!strncasecmp(buf, "POLYGONE", 8)) {
type = 3;
continue;
}
// assume only lines are routable
rc = sscanf(buf, "%d, 0x%04X - 0x%04X = %[^\t , ] , %[^\n]",
&group, &minid, &maxid, ntype, descr);
if (rc != 5) {
maxid = 0;
rc = sscanf(buf, "%d,0x%04X = %[^\t, ], %[^\n]",
&group, &minid, ntype, descr);
if (rc != 4) {
dlog(1, "Invalid line rc=%d:[%s]\n",rc, buf);
dlog(1, "minid=%04X ntype=[%s] des=[%s]\n",
minid, ntype, descr);
continue;
}
}
add_def(conv, type, minid, maxid, group, ntype, descr);
}
fclose(fp);
return 1;
}
struct gar2nav_conv *g2n_conv_load(char *file) {
struct gar2nav_conv *c;
int rc;
c = calloc(1, sizeof(*c));
if (!c)
return c;
rc = load_types_file(file, c);
if (rc < 0) {
dlog(1, "Failed to load: [%s]\n", file);
free(c);
return NULL;
}
return c;
}
enum item_type g2n_get_type(struct gar2nav_conv *c, unsigned int type, unsigned short id) {
struct gar2navit *def = NULL;
int group;
group = (type >> G2N_KIND_SHIFT);
type &= ~G2N_KIND_MASK;
if (type == G2N_POINT)
def = c->points;
else if (type == G2N_POLYLINE)
def = c->polylines;
else if (type == G2N_POLYGONE)
def = c->polygons;
else {
dlog(1, "Unknown conversion type:%d\n", type);
return type_none;
}
if (!def) {
dlog(5, "No conversion data for %d\n", type);
return type_none;
}
while (def) {
if (def->group == group &&
((!def->maxid && def->id == id) ||
(def->id <= id && id <= def->maxid)))
return def->ntype;
def = def->next;
}
dlog(5, "Type[%d]:ID:[%04X] unknown\n", type, id);
return type == G2N_POINT ? type_point_unkn : type_street_unkn;
}
char *g2n_get_descr(struct gar2nav_conv *c, int type, unsigned short id) {
struct gar2navit *def = NULL;
if (type == G2N_POINT)
def = c->points;
else if (type == G2N_POLYLINE)
def = c->polylines;
else if (type == G2N_POLYGONE)
def = c->polygons;
else {
dlog(1, "Unknown conversion type:%d\n", type);
return NULL;
}
while (def) {
if ((!def->maxid && def->id == id) ||
(def->id <= id && id <= def->maxid))
return def->descr;
def = def->next;
}
dlog(5, "Type[%d]:ID:[%04X] unknown\n", type, id);
return NULL;
}
#if 0
int main(int argc, char **argv) {
load_types_file(argv[1], NULL);
return 0;
}
#endif
#include "g2nbuiltin.h"
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