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Add a feature to exclude a key from the joined tileset

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This commit is contained in:
Eric Fischer 2015-08-21 17:32:44 -07:00
parent 2814f1ccf2
commit a57b010245
1 changed files with 53 additions and 40 deletions
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93
tile-join.cc
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@ -89,7 +89,7 @@ static inline int compress(std::string const &input, std::string &output) {
return 0;
}
void handle(std::string message, int z, unsigned x, unsigned y, struct pool **file_keys, char ***layernames, int *nlayers, sqlite3 *outdb, std::vector<std::string> &header, std::map<std::string, std::vector<std::string> > &mapping) {
void handle(std::string message, int z, unsigned x, unsigned y, struct pool **file_keys, char ***layernames, int *nlayers, sqlite3 *outdb, std::vector<std::string> &header, std::map<std::string, std::vector<std::string> > &mapping, struct pool *exclude) {
GOOGLE_PROTOBUF_VERIFY_VERSION;
// https://github.com/mapbox/mapnik-vector-tile/blob/master/examples/c%2B%2B/tileinfo.cpp
@ -197,27 +197,29 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
continue;
}
if (!is_pooled(&((*file_keys)[ll]), key, type)) {
pool(&((*file_keys)[ll]), strdup(key), type);
if (!is_pooled(exclude, key, VT_STRING)) {
if (!is_pooled(&((*file_keys)[ll]), key, type)) {
pool(&((*file_keys)[ll]), strdup(key), type);
}
struct pool_val *k, *v;
if (is_pooled(&keys, key, VT_STRING)) {
k = pool(&keys, key, VT_STRING);
} else {
k = pool(&keys, strdup(key), VT_STRING);
}
if (is_pooled(&values, value, type)) {
v = pool(&values, value, type);
} else {
v = pool(&values, strdup(value), type);
}
outfeature->add_tags(k->n);
outfeature->add_tags(v->n);
}
struct pool_val *k, *v;
if (is_pooled(&keys, key, VT_STRING)) {
k = pool(&keys, key, VT_STRING);
} else {
k = pool(&keys, strdup(key), VT_STRING);
}
if (is_pooled(&values, value, type)) {
v = pool(&values, value, type);
} else {
v = pool(&values, strdup(value), type);
}
outfeature->add_tags(k->n);
outfeature->add_tags(v->n);
if (strcmp(key, header[0].c_str()) == 0) {
std::map<std::string, std::vector<std::string> >::iterator ii = mapping.find(std::string(value));
@ -240,24 +242,28 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
const char *sjoinkey = joinkey.c_str();
const char *sjoinval = joinval.c_str();
if (!is_pooled(&((*file_keys)[ll]), sjoinkey, type)) {
pool(&((*file_keys)[ll]), strdup(sjoinkey), type);
}
if (!is_pooled(exclude, sjoinkey, VT_STRING)) {
if (!is_pooled(&((*file_keys)[ll]), sjoinkey, type)) {
pool(&((*file_keys)[ll]), strdup(sjoinkey), type);
}
if (is_pooled(&keys, sjoinkey, VT_STRING)) {
k = pool(&keys, sjoinkey, VT_STRING);
} else {
k = pool(&keys, strdup(sjoinkey), VT_STRING);
}
struct pool_val *k, *v;
if (is_pooled(&values, sjoinval, type)) {
v = pool(&values, sjoinval, type);
} else {
v = pool(&values, strdup(sjoinval), type);
}
if (is_pooled(&keys, sjoinkey, VT_STRING)) {
k = pool(&keys, sjoinkey, VT_STRING);
} else {
k = pool(&keys, strdup(sjoinkey), VT_STRING);
}
outfeature->add_tags(k->n);
outfeature->add_tags(v->n);
if (is_pooled(&values, sjoinval, type)) {
v = pool(&values, sjoinval, type);
} else {
v = pool(&values, strdup(sjoinval), type);
}
outfeature->add_tags(k->n);
outfeature->add_tags(v->n);
}
}
}
}
@ -300,7 +306,7 @@ void handle(std::string message, int z, unsigned x, unsigned y, struct pool **fi
mbtiles_write_tile(outdb, z, x, y, compressed.data(), compressed.size());
}
void decode(char *fname, char *map, struct pool **file_keys, char ***layernames, int *nlayers, sqlite3 *outdb, struct stats *st, std::vector<std::string> &header, std::map<std::string, std::vector<std::string> > &mapping) {
void decode(char *fname, char *map, struct pool **file_keys, char ***layernames, int *nlayers, sqlite3 *outdb, struct stats *st, std::vector<std::string> &header, std::map<std::string, std::vector<std::string> > &mapping, struct pool *exclude) {
sqlite3 *db;
if (sqlite3_open(fname, &db) != SQLITE_OK) {
@ -326,7 +332,7 @@ void decode(char *fname, char *map, struct pool **file_keys, char ***layernames,
fprintf(stderr, "%lld/%lld/%lld \r", zoom, x, y);
handle(std::string(s, len), zoom, x, y, file_keys, layernames, nlayers, outdb, header, mapping);
handle(std::string(s, len), zoom, x, y, file_keys, layernames, nlayers, outdb, header, mapping, exclude);
}
sqlite3_finalize(stmt);
@ -365,7 +371,7 @@ void decode(char *fname, char *map, struct pool **file_keys, char ***layernames,
}
void usage(char **argv) {
fprintf(stderr, "Usage: %s [-f] [-c joins.csv] -o new.mbtiles source.mbtiles\n", argv[0]);
fprintf(stderr, "Usage: %s [-f] [-c joins.csv] [-x exclude ...] -o new.mbtiles source.mbtiles\n", argv[0]);
exit(EXIT_FAILURE);
}
@ -452,11 +458,14 @@ int main(int argc, char **argv) {
std::vector<std::string> header;
std::map<std::string, std::vector<std::string> > mapping;
struct pool exclude;
pool_init(&exclude, 0);
extern int optind;
extern char *optarg;
int i;
while ((i = getopt(argc, argv, "fo:c:")) != -1) {
while ((i = getopt(argc, argv, "fo:c:x:")) != -1) {
switch (i) {
case 'o':
outfile = optarg;
@ -476,6 +485,10 @@ int main(int argc, char **argv) {
readcsv(csv, header, mapping);
break;
case 'x':
pool(&exclude, optarg, VT_STRING);
break;
default:
usage(argv);
}
@ -498,7 +511,7 @@ int main(int argc, char **argv) {
int nlayers = 0;
for (i = optind; i < argc; i++) {
decode(argv[i], csv, &file_keys, &layernames, &nlayers, outdb, &st, header, mapping);
decode(argv[i], csv, &file_keys, &layernames, &nlayers, outdb, &st, header, mapping, &exclude);
}
for (i = 0; i < nlayers; i++) {