diff options
Diffstat (limited to 'navit/maptool/osm_o5m.c')
| -rw-r--r-- | navit/maptool/osm_o5m.c | 592 |
1 files changed, 285 insertions, 307 deletions
diff --git a/navit/maptool/osm_o5m.c b/navit/maptool/osm_o5m.c index d6957067d..df64358e6 100644 --- a/navit/maptool/osm_o5m.c +++ b/navit/maptool/osm_o5m.c @@ -5,348 +5,326 @@ static int print; -static char *types[]={"node","way","relation"}; +static char *types[]= {"node","way","relation"}; struct o5m { - unsigned char buffer[65536*2]; - int buffer_size; - unsigned char *buffer_start; - unsigned char *buffer_end; - FILE *in; - int error; + unsigned char buffer[65536*2]; + int buffer_size; + unsigned char *buffer_start; + unsigned char *buffer_end; + FILE *in; + int error; - int lat, lon, uid, version; - unsigned long long id, rid[3], changeset; - time_t timestamp; - char *user; + int lat, lon, uid, version; + unsigned long long id, rid[3], changeset; + time_t timestamp; + char *user; }; static struct string_table { - char strings[15000][256]; - int pos; + char strings[15000][256]; + int pos; } st; static double latlon_scale=10000000.0; #define buffer_end(o,x) ((o)->buffer_start+(x) > (o)->buffer_end && !fill_buffer((o), (x))) -static int -fill_buffer(struct o5m *o, int min) -{ - int count; +static int fill_buffer(struct o5m *o, int min) { + int count; - memmove(o->buffer, o->buffer_start, o->buffer_end-o->buffer_start); - o->buffer_end-=o->buffer_start-o->buffer; - o->buffer_start=o->buffer; - count=fread(o->buffer_end, 1, o->buffer+o->buffer_size-o->buffer_end, o->in); - if (!count) - return 0; - o->buffer_end+=count; - return (min <= o->buffer_end - o->buffer); + memmove(o->buffer, o->buffer_start, o->buffer_end-o->buffer_start); + o->buffer_end-=o->buffer_start-o->buffer; + o->buffer_start=o->buffer; + count=fread(o->buffer_end, 1, o->buffer+o->buffer_size-o->buffer_end, o->in); + if (!count) + return 0; + o->buffer_end+=count; + return (min <= o->buffer_end - o->buffer); } -static unsigned long long -get_uval(unsigned char **p) -{ - unsigned char c; - unsigned long long ret=0; - int shift=0; +static unsigned long long get_uval(unsigned char **p) { + unsigned char c; + unsigned long long ret=0; + int shift=0; - for (;;) { - c=*((*p)++); - ret+=((unsigned long long)c & 0x7f) << shift; - if (!(c & 0x80)) - return ret; - shift+=7; - } + for (;;) { + c=*((*p)++); + ret+=((unsigned long long)c & 0x7f) << shift; + if (!(c & 0x80)) + return ret; + shift+=7; + } } -static long long -get_sval(unsigned char **p) -{ - unsigned long long ret=get_uval(p); - if (ret & 1) { - return -((long long)(ret >> 1)+1); - } else { - return ret >> 1; - } +static long long get_sval(unsigned char **p) { + unsigned long long ret=get_uval(p); + if (ret & 1) { + return -((long long)(ret >> 1)+1); + } else { + return ret >> 1; + } } -static void -get_strings(struct string_table *st, unsigned char **p, char **s1, char **s2) -{ - int len,xlen=0; - *s1=(char *)*p; - len=strlen(*s1); - xlen=1; - if (s2) { - *s2=*s1+len+1; - len+=strlen(*s2); - xlen++; - } - (*p)+=len+xlen; - if (len <= 250) { - memcpy(st->strings[st->pos++], *s1, len+xlen); - if (st->pos >= 15000) - st->pos=0; - } +static void get_strings(struct string_table *st, unsigned char **p, char **s1, char **s2) { + int len,xlen=0; + *s1=(char *)*p; + len=strlen(*s1); + xlen=1; + if (s2) { + *s2=*s1+len+1; + len+=strlen(*s2); + xlen++; + } + (*p)+=len+xlen; + if (len <= 250) { + memcpy(st->strings[st->pos++], *s1, len+xlen); + if (st->pos >= 15000) + st->pos=0; + } } -static void -get_strings_ref(struct string_table *st, int ref, char **s1, char **s2) -{ - int pos=st->pos-ref; - - if (pos < 0) - pos+=15000; - *s1=st->strings[pos]; - if (s2) - *s2=*s1+strlen(*s1)+1; +static void get_strings_ref(struct string_table *st, int ref, char **s1, char **s2) { + int pos=st->pos-ref; + + if (pos < 0) + pos+=15000; + *s1=st->strings[pos]; + if (s2) + *s2=*s1+strlen(*s1)+1; } -static void -print_escaped(char *s) -{ - for (;;) { - switch (*s) { - case 0: - return; - case 9: - case 13: - case 34: - case 38: - case 39: - case 60: - case 62: - printf("&#%d;",*s); - break; - default: - putc(*s,stdout); - break; - } - s++; - } +static void print_escaped(char *s) { + for (;;) { + switch (*s) { + case 0: + return; + case 9: + case 13: + case 34: + case 38: + case 39: + case 60: + case 62: + printf("&#%d;",*s); + break; + default: + putc(*s,stdout); + break; + } + s++; + } } -static void -o5m_reset(struct o5m *o) -{ - o->lat=0; - o->lon=0; - o->id=0; - o->rid[0]=0; - o->rid[1]=0; - o->rid[2]=0; - o->changeset=0; - o->timestamp=0; +static void o5m_reset(struct o5m *o) { + o->lat=0; + o->lon=0; + o->id=0; + o->rid[0]=0; + o->rid[1]=0; + o->rid[2]=0; + o->changeset=0; + o->timestamp=0; } -static void -o5m_print_start(struct o5m *o, int c) -{ - printf("\t<%s id=\""LONGLONG_FMT"\"",types[c-0x10],o->id); +static void o5m_print_start(struct o5m *o, int c) { + printf("\t<%s id=\""LONGLONG_FMT"\"",types[c-0x10],o->id); } -static void -o5m_print_version(struct o5m *o, int tags) -{ - char timestamp_str[64]; - if (o->version) { - strftime(timestamp_str, sizeof(timestamp_str), "%Y-%m-%dT%H:%M:%SZ", gmtime(&o->timestamp)); - printf(" version=\"%d\" timestamp=\"%s\" changeset=\""LONGLONG_FMT"\"",o->version,timestamp_str,o->changeset); - if (o->uid) { - printf(" uid=\"%d\" user=\"",o->uid); - print_escaped(o->user); - printf("\""); - } - } - printf("%s\n",tags?">":"/>"); +static void o5m_print_version(struct o5m *o, int tags) { + char timestamp_str[64]; + if (o->version) { + strftime(timestamp_str, sizeof(timestamp_str), "%Y-%m-%dT%H:%M:%SZ", gmtime(&o->timestamp)); + printf(" version=\"%d\" timestamp=\"%s\" changeset=\""LONGLONG_FMT"\"",o->version,timestamp_str,o->changeset); + if (o->uid) { + printf(" uid=\"%d\" user=\"",o->uid); + print_escaped(o->user); + printf("\""); + } + } + printf("%s\n",tags?">":"/>"); } -static void -o5m_print_end(char c) -{ - printf("\t</%s>\n",types[c-0x10]); +static void o5m_print_end(char c) { + printf("\t</%s>\n",types[c-0x10]); } -int -map_collect_data_osm_o5m(FILE *in, struct maptool_osm *osm) -{ - struct o5m o; - unsigned char c, *end, *rend; - int len, rlen, ref, tags; - char *uidstr, *role; +int map_collect_data_osm_o5m(FILE *in, struct maptool_osm *osm) { + struct o5m o; + unsigned char c, *end, *rend; + int len, rlen, ref, tags; + char *uidstr, *role; + + if (print) { + printf("<?xml version='1.0' encoding='UTF-8'?>\n"); + printf("<osm version=\"0.6\" generator=\"osmconvert 0.1X6\">\n"); + } - if (print) { - printf("<?xml version='1.0' encoding='UTF-8'?>\n"); - printf("<osm version=\"0.6\" generator=\"osmconvert 0.1X6\">\n"); - } + o5m_reset(&o); + o.buffer_size=sizeof(o.buffer); + o.buffer_start=o.buffer; + o.buffer_end=o.buffer; + o.error=0; + o.in=in; - o5m_reset(&o); - o.buffer_size=sizeof(o.buffer); - o.buffer_start=o.buffer; - o.buffer_end=o.buffer; - o.error=0; - o.in=in; - - fill_buffer(&o,1); - for (;;) { - if (buffer_end(&o, 1)) { - fprintf(stderr,"unexpected eof\n"); - return 1; - } - c=*(o.buffer_start++); - switch (c) { - case 0x10: - case 0x11: - case 0x12: - (void)buffer_end(&o, 4); - len=get_uval(&o.buffer_start); - if (o.buffer_start > o.buffer_end) { - fprintf(stderr,"unexpected eof\n"); - return 0; - } - if (buffer_end(&o, len)) { - fprintf(stderr,"unexpected eof or buffer too small, item type %d, item size %d\n", c, len); - return 0; - } - end=o.buffer_start+len; - o.id+=get_sval(&o.buffer_start); - o.version=get_uval(&o.buffer_start); - if (o.version) { - o.timestamp+=get_sval(&o.buffer_start); - if (o.timestamp) { - o.changeset+=get_sval(&o.buffer_start); - ref=get_uval(&o.buffer_start); - if (ref) - get_strings_ref(&st, ref, &uidstr, &o.user); - else - get_strings(&st, &o.buffer_start, &uidstr, &o.user); - o.uid=get_uval((unsigned char **)&uidstr); - } - } - if (print) - o5m_print_start(&o, c); - switch (c) { - case 0x10: - o.lon+=get_sval(&o.buffer_start); - o.lat+=get_sval(&o.buffer_start); - osm_add_node(o.id, o.lat/latlon_scale,o.lon/latlon_scale); - tags=end > o.buffer_start; - if (print) { - printf(" lat=\"%.7f\" lon=\"%.7f\"",o.lat/10000000.0,o.lon/10000000.0); - o5m_print_version(&o, tags); - } - break; - case 0x11: - osm_add_way(o.id); - rlen=get_uval(&o.buffer_start); - tags=end > o.buffer_start; - rend=o.buffer_start+rlen; - if (print) - o5m_print_version(&o, tags); - while (o.buffer_start < rend) { - o.rid[0]+=get_sval(&o.buffer_start); - osm_add_nd(o.rid[0]); - if (print) - printf("\t\t<nd ref=\""LONGLONG_FMT"\"/>\n",o.rid[0]); - } - break; - case 0x12: - osm_add_relation(o.id); - rlen=get_uval(&o.buffer_start); - tags=end > o.buffer_start; - rend=o.buffer_start+rlen; - if (print) - o5m_print_version(&o, tags); - while (o.buffer_start < rend) { - long long delta=get_sval(&o.buffer_start); - int r; - ref=get_uval(&o.buffer_start); - if (ref) - get_strings_ref(&st, ref, &role, NULL); - else - get_strings(&st, &o.buffer_start, &role, NULL); - r=role[0]-'0'; - if (r < 0) - r=0; - if (r > 2) - r=2; - o.rid[r]+=delta; - osm_add_member(r+1, o.rid[r], role+1); - if (print) - printf("\t\t<member type=\"%s\" ref=\""LONGLONG_FMT"\" role=\"%s\"/>\n",types[r], o.rid[r], role+1); - } - break; - } - while (end > o.buffer_start) { - char *k, *v; - ref=get_uval(&o.buffer_start); - if (ref) - get_strings_ref(&st, ref, &k, &v); - else - get_strings(&st, &o.buffer_start, &k, &v); - osm_add_tag(k, v); - if (print) { - printf("\t\t<tag k=\""); - print_escaped(k); - printf("\" v=\""); - print_escaped(v); - printf("\"/>\n"); - } - } - if (print && tags) { - o5m_print_end(c); - } - switch (c) { - case 0x10: - osm_end_node(osm); - break; - case 0x11: - osm_end_way(osm); - break; - case 0x12: - osm_end_relation(osm); - break; - } - break; - case 0xdb: - if (print) - printf("\t<bounds minlat=\"-180.0000000\" minlon=\"-90.0000000\" maxlat=\"180.0000000\" maxlon=\"90.0000000\"/>\n"); - len=get_uval(&o.buffer_start); - if (o.buffer_start > o.buffer_end) { - return 0; - } - if (buffer_end(&o, len)) { - return 0; - } - o.buffer_start+=len; - break; - case 0xe0: - if (buffer_end(&o, 5)) - return 0; - o.buffer_start+=5; - break; - case 0xfe: - return 1; - case 0xff: - o5m_reset(&o); - break; - default: - fprintf(stderr,"Unknown tag 0x%x\n",c); - /* Fall through */ - case 0xdc: /* File timestamp: silently ignore it */ - len=get_uval(&o.buffer_start); - if (o.buffer_start > o.buffer_end) { - return 0; - } - if (buffer_end(&o, len)) { - return 0; - } - o.buffer_start+=len; - break; - } - } - return 0; + fill_buffer(&o,1); + for (;;) { + if (buffer_end(&o, 1)) { + fprintf(stderr,"unexpected eof\n"); + return 1; + } + c=*(o.buffer_start++); + switch (c) { + case 0x10: + case 0x11: + case 0x12: + (void)buffer_end(&o, 4); + len=get_uval(&o.buffer_start); + if (o.buffer_start > o.buffer_end) { + fprintf(stderr,"unexpected eof\n"); + return 0; + } + if (buffer_end(&o, len)) { + fprintf(stderr,"unexpected eof or buffer too small, item type %d, item size %d\n", c, len); + return 0; + } + end=o.buffer_start+len; + o.id+=get_sval(&o.buffer_start); + o.version=get_uval(&o.buffer_start); + if (o.version) { + o.timestamp+=get_sval(&o.buffer_start); + if (o.timestamp) { + o.changeset+=get_sval(&o.buffer_start); + ref=get_uval(&o.buffer_start); + if (ref) + get_strings_ref(&st, ref, &uidstr, &o.user); + else + get_strings(&st, &o.buffer_start, &uidstr, &o.user); + o.uid=get_uval((unsigned char **)&uidstr); + } + } + if (print) + o5m_print_start(&o, c); + switch (c) { + case 0x10: + o.lon+=get_sval(&o.buffer_start); + o.lat+=get_sval(&o.buffer_start); + osm_add_node(o.id, o.lat/latlon_scale,o.lon/latlon_scale); + tags=end > o.buffer_start; + if (print) { + printf(" lat=\"%.7f\" lon=\"%.7f\"",o.lat/10000000.0,o.lon/10000000.0); + o5m_print_version(&o, tags); + } + break; + case 0x11: + osm_add_way(o.id); + rlen=get_uval(&o.buffer_start); + tags=end > o.buffer_start; + rend=o.buffer_start+rlen; + if (print) + o5m_print_version(&o, tags); + while (o.buffer_start < rend) { + o.rid[0]+=get_sval(&o.buffer_start); + osm_add_nd(o.rid[0]); + if (print) + printf("\t\t<nd ref=\""LONGLONG_FMT"\"/>\n",o.rid[0]); + } + break; + case 0x12: + osm_add_relation(o.id); + rlen=get_uval(&o.buffer_start); + tags=end > o.buffer_start; + rend=o.buffer_start+rlen; + if (print) + o5m_print_version(&o, tags); + while (o.buffer_start < rend) { + long long delta=get_sval(&o.buffer_start); + int r; + ref=get_uval(&o.buffer_start); + if (ref) + get_strings_ref(&st, ref, &role, NULL); + else + get_strings(&st, &o.buffer_start, &role, NULL); + r=role[0]-'0'; + if (r < 0) + r=0; + if (r > 2) + r=2; + o.rid[r]+=delta; + osm_add_member(r+1, o.rid[r], role+1); + if (print) + printf("\t\t<member type=\"%s\" ref=\""LONGLONG_FMT"\" role=\"%s\"/>\n",types[r], o.rid[r], role+1); + } + break; + } + while (end > o.buffer_start) { + char *k, *v; + ref=get_uval(&o.buffer_start); + if (ref) + get_strings_ref(&st, ref, &k, &v); + else + get_strings(&st, &o.buffer_start, &k, &v); + osm_add_tag(k, v); + if (print) { + printf("\t\t<tag k=\""); + print_escaped(k); + printf("\" v=\""); + print_escaped(v); + printf("\"/>\n"); + } + } + if (print && tags) { + o5m_print_end(c); + } + switch (c) { + case 0x10: + osm_end_node(osm); + break; + case 0x11: + osm_end_way(osm); + break; + case 0x12: + osm_end_relation(osm); + break; + } + break; + case 0xdb: + if (print) + printf("\t<bounds minlat=\"-180.0000000\" minlon=\"-90.0000000\" maxlat=\"180.0000000\" maxlon=\"90.0000000\"/>\n"); + len=get_uval(&o.buffer_start); + if (o.buffer_start > o.buffer_end) { + return 0; + } + if (buffer_end(&o, len)) { + return 0; + } + o.buffer_start+=len; + break; + case 0xe0: + if (buffer_end(&o, 5)) + return 0; + o.buffer_start+=5; + break; + case 0xfe: + return 1; + case 0xff: + o5m_reset(&o); + break; + default: + fprintf(stderr,"Unknown tag 0x%x\n",c); + /* Fall through */ + case 0xdc: /* File timestamp: silently ignore it */ + len=get_uval(&o.buffer_start); + if (o.buffer_start > o.buffer_end) { + return 0; + } + if (buffer_end(&o, len)) { + return 0; + } + o.buffer_start+=len; + break; + } + } + return 0; } |