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Add tile-join source to directories of tiles

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This commit is contained in:
Shan-Chun Kuo 2017-05-26 13:49:45 +01:00
parent ef8af63ab4
commit 52ceaaddb6
6 changed files with 3806 additions and 103 deletions

31
Makefile

@ -55,7 +55,7 @@ tippecanoe-enumerate: enumerate.o
tippecanoe-decode: decode.o projection.o mvt.o
$(CXX) $(PG) $(LIBS) $(FINAL_FLAGS) $(CXXFLAGS) -o $@ $^ $(LDFLAGS) -lm -lz -lsqlite3
tile-join: tile-join.o projection.o pool.o mbtiles.o mvt.o memfile.o dirtiles.o
tile-join: tile-join.o projection.o pool.o mbtiles.o mvt.o memfile.o dirtiles.o jsonpull/jsonpull.o
$(CXX) $(PG) $(LIBS) $(FINAL_FLAGS) $(CXXFLAGS) -o $@ $^ $(LDFLAGS) -lm -lz -lsqlite3 -lpthread
unit: unit.o text.o
@ -116,7 +116,7 @@ parallel-test:
raw-tiles-test:
./tippecanoe -e tests/raw-tiles/raw-tiles tests/raw-tiles/hackspots.geojson -pC
diff -rq tests/raw-tiles/raw-tiles tests/raw-tiles/compare
diff -x '*.DS_Store' -rq tests/raw-tiles/raw-tiles tests/raw-tiles/compare
rm -rf tests/raw-tiles/raw-tiles
decode-test:
@ -164,9 +164,30 @@ join-test:
cmp tests/join-population/just-macarthur.mbtiles.json.check tests/join-population/just-macarthur.mbtiles.json
cmp tests/join-population/no-macarthur.mbtiles.json.check tests/join-population/no-macarthur.mbtiles.json
./tile-join -pC -e tests/join-population/raw-merged-folder tests/join-population/tabblock_06001420.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles
diff -rq tests/join-population/raw-merged-folder tests/join-population/raw-merged-folder-compare
rm tests/join-population/tabblock_06001420.mbtiles tests/join-population/joined.mbtiles tests/join-population/joined-i.mbtiles tests/join-population/joined.mbtiles.json.check tests/join-population/joined-i.mbtiles.json.check tests/join-population/macarthur.mbtiles tests/join-population/merged.mbtiles tests/join-population/merged.mbtiles.json.check tests/join-population/macarthur2.mbtiles tests/join-population/windows.mbtiles tests/join-population/windows.mbtiles.json.check tests/join-population/just-macarthur.mbtiles tests/join-population/no-macarthur.mbtiles tests/join-population/just-macarthur.mbtiles.json.check tests/join-population/no-macarthur.mbtiles.json.check
rm -rf tests/join-population/raw-merged-folder
diff -x '*.DS_Store' -rq tests/join-population/raw-merged-folder tests/join-population/raw-merged-folder-compare
./tippecanoe -z12 -e tests/join-population/tabblock_06001420-folder tests/join-population/tabblock_06001420.json
./tippecanoe -Z5 -z10 -e tests/join-population/macarthur-folder -l macarthur tests/join-population/macarthur.json
./tippecanoe -d10 -D10 -Z9 -z11 -e tests/join-population/macarthur2-folder -l macarthur tests/join-population/macarthur2.json
./tile-join -f -o tests/join-population/merged-folder.mbtiles tests/join-population/tabblock_06001420-folder tests/join-population/macarthur-folder tests/join-population/macarthur2-folder
./tippecanoe-decode tests/join-population/merged-folder.mbtiles > tests/join-population/merged-folder.mbtiles.json.check
cmp tests/join-population/merged-folder.mbtiles.json.check tests/join-population/merged-folder.mbtiles.json
./tile-join -n "merged name" -N "merged description" -e tests/join-population/merged-mbtiles-to-folder tests/join-population/tabblock_06001420.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2.mbtiles
./tile-join -n "merged name" -N "merged description" -e tests/join-population/merged-folders-to-folder tests/join-population/tabblock_06001420-folder tests/join-population/macarthur-folder tests/join-population/macarthur2-folder
diff -x '*.DS_Store' -rq tests/join-population/merged-mbtiles-to-folder tests/join-population/merged-folders-to-folder
./tile-join -f -c tests/join-population/windows.csv -o tests/join-population/windows-merged.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2-folder
./tile-join -c tests/join-population/windows.csv -e tests/join-population/windows-merged-folder tests/join-population/macarthur.mbtiles tests/join-population/macarthur2-folder
./tile-join -f -o tests/join-population/windows-merged2.mbtiles tests/join-population/windows-merged-folder
./tippecanoe-decode tests/join-population/windows-merged.mbtiles > tests/join-population/windows-merged.mbtiles.json.check
./tippecanoe-decode tests/join-population/windows-merged2.mbtiles > tests/join-population/windows-merged2.mbtiles.json.check
cmp tests/join-population/windows-merged.mbtiles.json.check tests/join-population/windows-merged2.mbtiles.json.check
./tile-join -f -o tests/join-population/macarthur-and-macarthur2-merged.mbtiles tests/join-population/macarthur.mbtiles tests/join-population/macarthur2-folder
./tile-join -e tests/join-population/macarthur-and-macarthur2-folder tests/join-population/macarthur.mbtiles tests/join-population/macarthur2-folder
./tile-join -f -o tests/join-population/macarthur-and-macarthur2-merged2.mbtiles tests/join-population/macarthur-and-macarthur2-folder
./tippecanoe-decode tests/join-population/macarthur-and-macarthur2-merged.mbtiles > tests/join-population/macarthur-and-macarthur2-merged.mbtiles.json.check
./tippecanoe-decode tests/join-population/macarthur-and-macarthur2-merged2.mbtiles > tests/join-population/macarthur-and-macarthur2-merged2.mbtiles.json.check
cmp tests/join-population/macarthur-and-macarthur2-merged.mbtiles.json.check tests/join-population/macarthur-and-macarthur2-merged2.mbtiles.json.check
rm tests/join-population/tabblock_06001420.mbtiles tests/join-population/joined.mbtiles tests/join-population/joined-i.mbtiles tests/join-population/joined.mbtiles.json.check tests/join-population/joined-i.mbtiles.json.check tests/join-population/macarthur.mbtiles tests/join-population/merged.mbtiles tests/join-population/merged.mbtiles.json.check tests/join-population/merged-folder.mbtiles tests/join-population/macarthur2.mbtiles tests/join-population/windows.mbtiles tests/join-population/windows-merged.mbtiles tests/join-population/windows-merged2.mbtiles tests/join-population/windows.mbtiles.json.check tests/join-population/just-macarthur.mbtiles tests/join-population/no-macarthur.mbtiles tests/join-population/just-macarthur.mbtiles.json.check tests/join-population/no-macarthur.mbtiles.json.check tests/join-population/merged-folder.mbtiles.json.check tests/join-population/windows-merged.mbtiles.json.check tests/join-population/windows-merged2.mbtiles.json.check tests/join-population/macarthur-and-macarthur2-merged.mbtiles tests/join-population/macarthur-and-macarthur2-merged2.mbtiles tests/join-population/macarthur-and-macarthur2-merged.mbtiles.json.check tests/join-population/macarthur-and-macarthur2-merged2.mbtiles.json.check
rm -rf tests/join-population/raw-merged-folder tests/join-population/tabblock_06001420-folder tests/join-population/macarthur-folder tests/join-population/macarthur2-folder tests/join-population/merged-mbtiles-to-folder tests/join-population/merged-folders-to-folder tests/join-population/windows-merged-folder tests/join-population/macarthur-and-macarthur2-folder
# Use this target to regenerate the standards that the tests are compared against
# after making a change that legitimately changes their output

17
README.md

@ -392,13 +392,18 @@ The name is [a joking reference](http://en.wikipedia.org/wiki/Tippecanoe_and_Tyl
tile-join
=========
Tile-join is a tool for joining new attributes from a CSV file to features that
have already been tiled with tippecanoe. It reads the tiles from an existing .mbtiles
file, matches them against the records of the CSV, and writes out a new tileset.
Tile-join is a tool for joining new attributes from a CSV file to features
that have already been tiled with tippecanoe. It reads the tiles from an
existing .mbtiles file or a directory of tiles, matches them against the
records of the CSV, and writes out a new tileset.
If you specify multiple source mbtiles files, they are all read and their combined
contents are written to the new mbtiles output. If they define the same layers or
the same tiles, the layers or tiles are merged.
If you specify multiple source mbtiles files or source directories of tiles,
all the sources are read and their combined contents are written to the new
mbtiles output. If they define the same layers or the same tiles, the layers
or tiles are merged.
You can use the `-e` flag to output a directory of tiles rather than a
.mbtiles file.
The options are:

10
dirtiles.cpp

@ -1,9 +1,19 @@
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include "dirtiles.hpp"
std::string dir_read_tile(std::string pbfPath) {
std::ifstream pbfFile(pbfPath, std::ios::in | std::ios::binary);
std::ostringstream contents;
contents << pbfFile.rdbuf();
pbfFile.close();
return (contents.str());
}
void dir_write_tile(const char *outdir, int z, int tx, int ty, std::string const &pbf) {
mkdir(outdir, S_IRWXU | S_IRWXG | S_IRWXO);
std::string curdir(outdir);

2
dirtiles.hpp

@ -1 +1,3 @@
std::string dir_read_tile(std::string pbfPath);
void dir_write_tile(const char *outdir, int z, int tx, int ty, std::string const &pbf);

3398
tests/join-population/merged-folder.mbtiles.json Normal file

File diff suppressed because it is too large Load Diff

451
tile-join.cpp

@ -1,3 +1,6 @@
#define _DEFAULT_SOURCE
#include <dirent.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -17,6 +20,14 @@
#include "mbtiles.hpp"
#include "geometry.hpp"
#include "dirtiles.hpp"
#include <fstream>
#include <sstream>
#include <algorithm>
#include <functional>
extern "C" {
#include "jsonpull/jsonpull.h"
}
std::string dequote(std::string s);
@ -262,8 +273,12 @@ struct reader {
long long x;
long long sorty;
long long y;
int pbf_count;
int z_flag;
std::string data;
std::vector<std::string> pbf_path;
std::vector<std::string> large_zoom;
sqlite3 *db;
sqlite3_stmt *stmt;
@ -299,38 +314,197 @@ struct reader {
}
};
struct reader *begin_reading(char *fname) {
sqlite3 *db;
std::vector<std::string> split_slash(std::string pbf_path) {
std::vector<std::string> path_parts;
std::string path(pbf_path);
std::istringstream iss(path);
std::string token;
if (sqlite3_open(fname, &db) != SQLITE_OK) {
fprintf(stderr, "%s: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
while (std::getline(iss, token, '/')) {
path_parts.push_back(token);
}
const char *sql = "SELECT zoom_level, tile_column, tile_row, tile_data from tiles order by zoom_level, tile_column, tile_row;";
sqlite3_stmt *stmt;
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
fprintf(stderr, "%s: select failed: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
}
return path_parts;
}
struct reader *r = new reader;
r->db = db;
r->stmt = stmt;
r->next = NULL;
if (sqlite3_step(stmt) == SQLITE_ROW) {
r->zoom = sqlite3_column_int(stmt, 0);
r->x = sqlite3_column_int(stmt, 1);
r->sorty = sqlite3_column_int(stmt, 2);
r->y = (1LL << r->zoom) - 1 - r->sorty;
const char *data = (const char *) sqlite3_column_blob(stmt, 3);
size_t len = sqlite3_column_bytes(stmt, 3);
r->data = std::string(data, len);
int filter(const struct dirent *dir) {
if (strcmp(dir->d_name, ".") == 0 || strcmp(dir->d_name, "..") == 0 || strcmp(dir->d_name, ".DS_Store") == 0 || strcmp(dir->d_name, "metadata.json") == 0) {
return 0;
} else {
r->zoom = 32;
return 1;
}
}
// Recursively walk through a specified directory and its subdirectories,
// using alphasort function and integer variable zoom_range to handle input in numerical order.
// Store the path of all pbf files in a pbf_path vector member of reader struct,
// with the help of a large_zoom vector and two integer members pbf_count and z_flag
// to ensure the tiles order in pbf_path to be the same as in mbtiles.
struct reader *read_dir(struct reader *readers, const char *name, int level, int zoom_range) {
struct dirent **namelist;
struct stat buf;
char path[1024];
int i = 0;
int n = scandir(name, &namelist, filter, alphasort);
std::vector<std::string> path_parts1, path_parts2;
readers->pbf_count = 0;
if (n > 0) {
while (i < n) {
snprintf(path, sizeof(path), "%s/%s", name, namelist[i]->d_name);
if (stat(path, &buf) == 0 && S_ISDIR(buf.st_mode)) {
if (level == 0) {
if (std::stoi(namelist[i]->d_name) <= 9) {
zoom_range = 0;
} else {
zoom_range = 1;
}
if (readers->pbf_count > 0) {
if (readers->z_flag == 0) {
std::sort(readers->pbf_path.end() - (readers->pbf_count + 1), readers->pbf_path.end(), std::greater<std::string>());
} else {
std::sort(readers->large_zoom.end() - (readers->pbf_count + 1), readers->large_zoom.end(), std::greater<std::string>());
}
readers->pbf_count = 0;
}
}
if (level == 1 && readers->pbf_count > 0) {
if (zoom_range == 0) {
std::sort(readers->pbf_path.end() - (readers->pbf_count + 1), readers->pbf_path.end(), std::greater<std::string>());
} else {
std::sort(readers->large_zoom.end() - (readers->pbf_count + 1), readers->large_zoom.end(), std::greater<std::string>());
}
readers->pbf_count = 0;
}
read_dir(readers, path, level + 1, zoom_range);
} else {
if (level == 0) {
fprintf(stderr, "ERROR: Directory structure in '%s' should be zoom/x/y\n", name);
exit(EXIT_FAILURE);
}
if (level == 1) {
fprintf(stderr, "ERROR: Directory structure in '%s' should be zoom/x/y\n", split_slash(name)[0].c_str());
exit(EXIT_FAILURE);
}
if (zoom_range == 0) {
readers->pbf_path.push_back(std::string(path));
if (readers->pbf_path.size() > 1) {
path_parts1 = split_slash(readers->pbf_path[readers->pbf_path.size() - 1]);
path_parts2 = split_slash(readers->pbf_path[readers->pbf_path.size() - 2]);
int p1 = path_parts1.size();
int p2 = path_parts2.size();
if (std::stoll(path_parts1[p1 - 3]) == std::stoll(path_parts2[p2 - 3]) && std::stoll(path_parts1[p1 - 2]) == std::stoll(path_parts2[p2 - 2])) {
readers->z_flag = 0;
readers->pbf_count++;
}
path_parts1.clear();
path_parts2.clear();
}
} else {
readers->large_zoom.push_back(std::string(path));
if (readers->large_zoom.size() > 1) {
path_parts1 = split_slash(readers->large_zoom[readers->large_zoom.size() - 1]);
path_parts2 = split_slash(readers->large_zoom[readers->large_zoom.size() - 2]);
int p1 = path_parts1.size();
int p2 = path_parts2.size();
if (std::stoll(path_parts1[p1 - 3]) == std::stoll(path_parts2[p2 - 3]) && std::stoll(path_parts1[p1 - 2]) == std::stoll(path_parts2[p2 - 2])) {
readers->z_flag = 1;
readers->pbf_count++;
}
path_parts1.clear();
path_parts2.clear();
}
}
}
free(namelist[i]);
i++;
}
if (level == 0) {
if (readers->pbf_count > 0) {
std::sort(readers->pbf_path.end() - (readers->pbf_count + 1), readers->pbf_path.end(), std::greater<std::string>());
}
readers->pbf_path.insert(std::end(readers->pbf_path), std::begin(readers->large_zoom), std::end(readers->large_zoom));
}
free(namelist);
} else if (n == 0) {
fprintf(stderr, "ERROR: Empty directory '%s'\n", name);
exit(EXIT_FAILURE);
} else {
perror("scandir");
}
return readers;
}
struct reader *begin_reading(char *fname) {
DIR *dir;
struct reader *r = new reader;
if ((dir = opendir(fname)) != NULL) {
r = read_dir(r, fname, 0, 0);
std::vector<std::string> path_parts;
path_parts = split_slash(r->pbf_path[0]);
int p = path_parts.size();
r->db = NULL;
r->stmt = NULL;
r->next = NULL;
r->pbf_count = 0;
r->zoom = std::stoll(path_parts[p - 3]);
r->x = std::stoll(path_parts[p - 2]);
r->y = std::stoll(path_parts[p - 1].substr(0, path_parts[p - 1].find_last_of(".")));
r->sorty = (1LL << r->zoom) - 1 - r->y;
r->data = dir_read_tile(r->pbf_path[0]);
path_parts.clear();
} else {
sqlite3 *db;
if (sqlite3_open(fname, &db) != SQLITE_OK) {
fprintf(stderr, "%s: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
}
const char *sql = "SELECT zoom_level, tile_column, tile_row, tile_data from tiles order by zoom_level, tile_column, tile_row;";
sqlite3_stmt *stmt;
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
fprintf(stderr, "%s: select failed: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
}
r->db = db;
r->stmt = stmt;
r->next = NULL;
if (sqlite3_step(stmt) == SQLITE_ROW) {
r->zoom = sqlite3_column_int(stmt, 0);
r->x = sqlite3_column_int(stmt, 1);
r->sorty = sqlite3_column_int(stmt, 2);
r->y = (1LL << r->zoom) - 1 - r->sorty;
const char *data = (const char *) sqlite3_column_blob(stmt, 3);
size_t len = sqlite3_column_bytes(stmt, 3);
r->data = std::string(data, len);
} else {
r->zoom = 32;
}
}
return r;
@ -485,7 +659,6 @@ void decode(struct reader *readers, char *map, std::map<std::string, layermap_en
}
std::map<zxy, std::vector<std::string>> tasks;
double minlat = INT_MAX;
double minlon = INT_MAX;
double maxlat = INT_MIN;
@ -496,7 +669,6 @@ void decode(struct reader *readers, char *map, std::map<std::string, layermap_en
reader *r = readers;
readers = readers->next;
r->next = NULL;
if (r->zoom != zoom_for_bbox) {
// Only use highest zoom for bbox calculation
// to avoid z0 always covering the world
@ -528,18 +700,35 @@ void decode(struct reader *readers, char *map, std::map<std::string, layermap_en
}
}
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
r->zoom = sqlite3_column_int(r->stmt, 0);
r->x = sqlite3_column_int(r->stmt, 1);
r->sorty = sqlite3_column_int(r->stmt, 2);
r->y = (1LL << r->zoom) - 1 - r->sorty;
if (r->db != NULL) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
r->zoom = sqlite3_column_int(r->stmt, 0);
r->x = sqlite3_column_int(r->stmt, 1);
r->sorty = sqlite3_column_int(r->stmt, 2);
r->y = (1LL << r->zoom) - 1 - r->sorty;
const char *data = (const char *) sqlite3_column_blob(r->stmt, 3);
size_t len = sqlite3_column_bytes(r->stmt, 3);
const char *data = (const char *) sqlite3_column_blob(r->stmt, 3);
size_t len = sqlite3_column_bytes(r->stmt, 3);
r->data = std::string(data, len);
r->data = std::string(data, len);
} else {
r->zoom = 32;
}
} else {
r->zoom = 32;
r->pbf_count++;
if (r->pbf_count != static_cast<int>(r->pbf_path.size())) {
std::vector<std::string> path_parts;
path_parts = split_slash(r->pbf_path[r->pbf_count]);
int p = path_parts.size();
r->zoom = std::stoll(path_parts[p - 3]);
r->x = std::stoll(path_parts[p - 2]);
r->y = std::stoll(path_parts[p - 1].substr(0, path_parts[p - 1].find_last_of(".")));
r->sorty = (1LL << r->zoom) - 1 - r->y;
r->data = dir_read_tile(r->pbf_path[r->pbf_count]);
path_parts.clear();
} else {
r->zoom = 32;
}
}
struct reader **rr;
@ -565,67 +754,145 @@ void decode(struct reader *readers, char *map, std::map<std::string, layermap_en
struct reader *next;
for (struct reader *r = readers; r != NULL; r = next) {
next = r->next;
sqlite3_finalize(r->stmt);
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'minzoom'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
int minzoom = sqlite3_column_int(r->stmt, 0);
st->minzoom = min(st->minzoom, minzoom);
}
if (r->db != NULL) {
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'maxzoom'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
int maxzoom = sqlite3_column_int(r->stmt, 0);
st->maxzoom = max(st->maxzoom, maxzoom);
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'minzoom'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
int minzoom = sqlite3_column_int(r->stmt, 0);
st->minzoom = min(st->minzoom, minzoom);
}
sqlite3_finalize(r->stmt);
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'center'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
const unsigned char *s = sqlite3_column_text(r->stmt, 0);
sscanf((char *) s, "%lf,%lf", &st->midlon, &st->midlat);
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'maxzoom'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
int maxzoom = sqlite3_column_int(r->stmt, 0);
st->maxzoom = max(st->maxzoom, maxzoom);
}
sqlite3_finalize(r->stmt);
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'attribution'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
attribution = std::string((char *) sqlite3_column_text(r->stmt, 0));
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'center'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
const unsigned char *s = sqlite3_column_text(r->stmt, 0);
sscanf((char *) s, "%lf,%lf", &st->midlon, &st->midlat);
}
sqlite3_finalize(r->stmt);
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'description'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
description = std::string((char *) sqlite3_column_text(r->stmt, 0));
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'attribution'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
attribution = std::string((char *) sqlite3_column_text(r->stmt, 0));
}
sqlite3_finalize(r->stmt);
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'name'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
if (name.size() == 0) {
name = std::string((char *) sqlite3_column_text(r->stmt, 0));
} else {
name += " + " + std::string((char *) sqlite3_column_text(r->stmt, 0));
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'description'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
description = std::string((char *) sqlite3_column_text(r->stmt, 0));
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'name'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
if (name.size() == 0) {
name = std::string((char *) sqlite3_column_text(r->stmt, 0));
} else {
name += " + " + std::string((char *) sqlite3_column_text(r->stmt, 0));
}
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'bounds'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
const unsigned char *s = sqlite3_column_text(r->stmt, 0);
if (sscanf((char *) s, "%lf,%lf,%lf,%lf", &minlon, &minlat, &maxlon, &maxlat) == 4) {
st->minlon = min(minlon, st->minlon);
st->maxlon = max(maxlon, st->maxlon);
st->minlat = min(minlat, st->minlat);
st->maxlat = max(maxlat, st->maxlat);
}
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_close(r->db) != SQLITE_OK) {
fprintf(stderr, "Could not close database: %s\n", sqlite3_errmsg(r->db));
exit(EXIT_FAILURE);
}
} else {
std::vector<std::string> path_parts;
path_parts = split_slash(r->pbf_path[0]);
std::string metadata_path = path_parts[0];
for (int i = 1; i < static_cast<int>(path_parts.size()) - 3; i++) {
metadata_path = metadata_path + "/" + path_parts[i];
}
metadata_path += "/metadata.json";
path_parts.clear();
FILE *f = fopen(metadata_path.c_str(), "r");
if (f == NULL) {
perror(metadata_path.c_str());
exit(EXIT_FAILURE);
}
json_pull *jp = json_begin_file(f);
json_object *j, *k;
while ((j = json_read(jp)) != NULL) {
if (j->type == JSON_HASH) {
if ((k = json_hash_get(j, "minzoom")) != NULL) {
const std::string minzoom_tmp = k->string;
int minzoom = std::stoi(minzoom_tmp);
st->minzoom = min(st->minzoom, minzoom);
}
if ((k = json_hash_get(j, "maxzoom")) != NULL) {
const std::string maxzoom_tmp = k->string;
int maxzoom = std::stoi(maxzoom_tmp);
st->maxzoom = max(st->maxzoom, maxzoom);
}
if ((k = json_hash_get(j, "center")) != NULL) {
const std::string center = k->string;
const unsigned char *s = (const unsigned char *) center.c_str();
sscanf((char *) s, "%lf,%lf", &st->midlon, &st->midlat);
}
if ((k = json_hash_get(j, "attribution")) != NULL) {
attribution = k->string;
}
if ((k = json_hash_get(j, "description")) != NULL) {
description = k->string;
}
if ((k = json_hash_get(j, "name")) != NULL) {
const std::string name_tmp = k->string;
if (name.size() == 0) {
name = name_tmp;
} else {
name += " + " + name_tmp;
}
}
if ((k = json_hash_get(j, "bounds")) != NULL) {
const std::string bounds = k->string;
const unsigned char *s = (const unsigned char *) bounds.c_str();
if (sscanf((char *) s, "%lf,%lf,%lf,%lf", &minlon, &minlat, &maxlon, &maxlat) == 4) {
st->minlon = min(minlon, st->minlon);
st->maxlon = max(maxlon, st->maxlon);
st->minlat = min(minlat, st->minlat);
st->maxlat = max(maxlat, st->maxlat);
}
}
}
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_prepare_v2(r->db, "SELECT value from metadata where name = 'bounds'", -1, &r->stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(r->stmt) == SQLITE_ROW) {
const unsigned char *s = sqlite3_column_text(r->stmt, 0);
if (sscanf((char *) s, "%lf,%lf,%lf,%lf", &minlon, &minlat, &maxlon, &maxlat) == 4) {
st->minlon = min(minlon, st->minlon);
st->maxlon = max(maxlon, st->maxlon);
st->minlat = min(minlat, st->minlat);
st->maxlat = max(maxlat, st->maxlat);
}
}
sqlite3_finalize(r->stmt);
}
if (sqlite3_close(r->db) != SQLITE_OK) {
fprintf(stderr, "Could not close database: %s\n", sqlite3_errmsg(r->db));
exit(EXIT_FAILURE);
json_free(j);
json_end(jp);
fclose(f);
}
delete r;