diff options
Diffstat (limited to 'navit/data/garmin/gar2navit.c')
| -rw-r--r-- | navit/data/garmin/gar2navit.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/navit/data/garmin/gar2navit.c b/navit/data/garmin/gar2navit.c new file mode 100644 index 000000000..687217d24 --- /dev/null +++ b/navit/data/garmin/gar2navit.c @@ -0,0 +1,291 @@ +/* + 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. + +*/ + +/* + Street's are routable by: + ALL - by all + W pedestrian (1<<0) + B bycycle (1<<1) + M motorcycle (1<<2) + C car (1<<3) + T truck (1<<4) + L largetruck (1<<5) +File format is: + +POINT +0x0100 = town_label_1e5, Megapolis (10M +) +0x0200 = town_label_5e4, Megapolis (5-10M) +... +0x1e00-0x1e3f = district_label, District, Province, State Name +... +POLYLINE +0x00 = ALL, street_1_land, Road +0x01 = MCTL, highway_land, Major HWY thick +0x02 = MCTL, street_4_land, Principal HWY-thick +0x03 = MCTL, street_2_land, Principal HWY-medium +.... +POLYGONE +0x01 = town_poly, City (>200k) +0x02 = town_poly, City (<200k) +0x03 = town_poly, Village + + */ + +#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 routable, char *ntype, + char *descr) +{ + enum item_type it; + struct gar2navit *g2n; + dlog(11, "type=%d routable=%u min=%04X max=%04X ntype=%s descr=%s\n", + type, routable, 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->routable = routable; + 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 unsigned int get_rtmask(char *p) +{ + char *cp; + unsigned int mask = 0; + cp = p; + while (*cp) { + if (!strcasecmp(cp, "none")) + return 0; + if (!strcasecmp(cp, "all")) { + mask = ~0; + break; + } if (*cp == 'W') + mask |= RT_PEDESTRIAN; + else if (*cp == 'B') + mask |= RT_BYCYCLE; + else if (*cp == 'M') + mask |= RT_MOTORCYCLE; + else if (*cp == 'C') + mask |= RT_CAR; + else if (*cp == 'T') + mask |= RT_TRUCK; + else if (*cp == 'L') + mask |= RT_LONGTRUCK; + cp++; + } + return mask; +} + +static int load_types_file(char *file, struct gar2nav_conv *conv) +{ + char buf[4096]; + char descr[4096]; + char ntype[4096]; + char rtby[4096]; + FILE *fp; + unsigned int minid, maxid, routable; + int rc; + int type = -1; + + fp = fopen(file, "r"); + if (!fp) + return -1; + while (fgets(buf, sizeof(buf), fp)) { + if (*buf == '#' || *buf == '\n') + continue; + routable = 0; + 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 + if (type == 2) { + rc = sscanf(buf, "0x%04X = %[^\t, ] , %[^\t, ], %[^\n]", + &minid, rtby, 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; + } + routable = get_rtmask(rtby); + } else { + rc = sscanf(buf, "0x%04X - 0x%04X = %[^\t , ] , %[^\n]", + &minid, &maxid, ntype, descr); + if (rc != 4) { + maxid = 0; + rc = sscanf(buf, "0x%04X = %[^\t, ], %[^\n]", + &minid, ntype, descr); + if (rc != 3) { + 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, routable, 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, 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 type_none; + } + + if (!def) { + dlog(5, "No conversion data for %d\n", type); + return type_none; + } + + while (def) { + if ((!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_none; +} + +int g2n_get_routable(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 type_none; + } + + if (!def) { + dlog(5, "No conversion data for %d\n", type); + return type_none; + } + + while (def) { + if ((!def->maxid && def->id == id) || + (def->id <= id && id <= def->maxid)) + return def->routable; + def = def->next; + } + dlog(5, "Type[%d]:ID:[%04X] unknown\n", type, id); + return 0; +} + +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" |