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Include tileset metadata when writing either to directory or mbtiles

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This commit is contained in:
Eric Fischer
2017-04-07 13:25:05 -07:00
parent 1c1ae6a8be
commit f558b78380
7 changed files with 83 additions and 18 deletions
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mbtiles.cpp
+63 -12
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@@ -131,11 +131,23 @@ bool type_and_string::operator<(const type_and_string &o) const {
return false;
}
void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int maxzoom, double minlat, double minlon, double maxlat, double maxlon, double midlat, double midlon, int forcetable, const char *attribution, std::map<std::string, layermap_entry> const &layermap, bool vector, const char *description) {
void mbtiles_write_metadata(sqlite3 *outdb, const char *outdir, const char *fname, int minzoom, int maxzoom, double minlat, double minlon, double maxlat, double maxlon, double midlat, double midlon, int forcetable, const char *attribution, std::map<std::string, layermap_entry> const &layermap, bool vector, const char *description) {
char *sql, *err;
sqlite3 *db = outdb;
if (outdb == NULL) {
if (sqlite3_open("", &db) != SQLITE_OK) {
fprintf(stderr, "Temporary db: %s\n", sqlite3_errmsg(db));
exit(EXIT_FAILURE);
}
if (sqlite3_exec(db, "CREATE TABLE metadata (name text, value text);", NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "Create metadata table: %s\n", err);
exit(EXIT_FAILURE);
}
}
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('name', %Q);", fname);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set name in metadata: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -144,7 +156,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('description', %Q);", description != NULL ? description : fname);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set description in metadata: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -153,7 +165,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('version', %d);", 2);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set version : %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -162,7 +174,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('minzoom', %d);", minzoom);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set minzoom: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -171,7 +183,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('maxzoom', %d);", maxzoom);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set maxzoom: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -180,7 +192,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('center', '%f,%f,%d');", midlon, midlat, maxzoom);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set center: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -189,7 +201,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('bounds', '%f,%f,%f,%f');", minlon, minlat, maxlon, maxlat);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set bounds: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -198,7 +210,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
sqlite3_free(sql);
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('type', %Q);", "overlay");
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set type: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -208,7 +220,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
if (attribution != NULL) {
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('attribution', %Q);", attribution);
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set type: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -218,7 +230,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
}
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('format', %Q);", vector ? "pbf" : "png");
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set format: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -276,7 +288,7 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
aprintf(&buf, " ] }");
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('json', %Q);", buf.c_str());
if (sqlite3_exec(outdb, sql, NULL, NULL, &err) != SQLITE_OK) {
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "set json: %s\n", err);
if (!forcetable) {
exit(EXIT_FAILURE);
@@ -284,6 +296,45 @@ void mbtiles_write_metadata(sqlite3 *outdb, const char *fname, int minzoom, int
}
sqlite3_free(sql);
}
if (outdir != NULL) {
std::string metadata = std::string(outdir) + "/metadata.json";
FILE *fp = fopen(metadata.c_str(), "w");
if (fp == NULL) {
perror(metadata.c_str());
exit(EXIT_FAILURE);
}
fprintf(fp, "{\n");
sqlite3_stmt *stmt;
bool first = true;
if (sqlite3_prepare_v2(db, "SELECT name, value from metadata;", -1, &stmt, NULL) == SQLITE_OK) {
while (sqlite3_step(stmt) == SQLITE_ROW) {
std::string key, value;
quote(&key, (const char *) sqlite3_column_text(stmt, 0));
quote(&value, (const char *) sqlite3_column_text(stmt, 1));
if (!first) {
fprintf(fp, ",\n");
}
fprintf(fp, " \"%s\": \"%s\"", key.c_str(), value.c_str());
first = false;
}
sqlite3_finalize(stmt);
}
fprintf(fp, "\n}\n");
fclose(fp);
}
if (outdb == NULL) {
if (sqlite3_close(db) != SQLITE_OK) {
fprintf(stderr, "Could not close temp database: %s\n", sqlite3_errmsg(db));
exit(EXIT_FAILURE);
}
}
}
void mbtiles_close(sqlite3 *outdb, char **argv) {