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Eradicate spaces from tileset metadata JSON fields

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This commit is contained in:
Erica Fischer
2022-12-27 13:35:44 -08:00
parent a4f4b1f7c6
commit dacff83386
148 changed files with 303 additions and 234 deletions
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mbtiles.cpp
+74 -9
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@@ -216,14 +216,17 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
lmv.push_back(layermap1);
std::map<std::string, layermap_entry> layermap = merge_layermaps(lmv, true);
state.nospace = true;
state.json_write_hash();
state.nospace = true;
state.json_write_string("layerCount");
state.nospace = true;
state.json_write_unsigned(layermap.size());
state.nospace = true;
state.json_write_string("layers");
state.nospace = true;
state.json_write_array();
for (auto layer : layermap) {
@@ -232,10 +235,12 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("layer");
state.nospace = true;
state.json_write_string(layer.first);
state.nospace = true;
state.json_write_string("count");
state.nospace = true;
state.json_write_unsigned(layer.second.points + layer.second.lines + layer.second.polygons);
std::string geomtype = "Polygon";
@@ -247,6 +252,7 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("geometry");
state.nospace = true;
state.json_write_string(geomtype);
size_t attrib_count = layer.second.file_keys.size();
@@ -256,6 +262,7 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("attributeCount");
state.nospace = true;
state.json_write_unsigned(attrib_count);
state.nospace = true;
@@ -275,6 +282,7 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("attribute");
state.nospace = true;
state.json_write_string(attribute.first);
size_t val_count = attribute.second.sample_values.size();
@@ -284,6 +292,7 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("count");
state.nospace = true;
state.json_write_unsigned(val_count);
int type = 0;
@@ -305,10 +314,12 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
state.nospace = true;
state.json_write_string("type");
state.nospace = true;
state.json_write_string(type_str);
state.nospace = true;
state.json_write_string("values");
state.nospace = true;
state.json_write_array();
size_t vals = 0;
@@ -317,11 +328,10 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
break;
}
state.nospace = true;
if (value.type == mvt_double || value.type == mvt_bool) {
vals++;
state.nospace = true;
state.json_write_stringified(value.string);
} else {
std::string trunc = truncate16(value.string, 256);
@@ -329,6 +339,7 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
if (trunc.size() == value.string.size()) {
vals++;
state.nospace = true;
state.json_write_string(value.string);
}
}
@@ -340,10 +351,12 @@ void tilestats(std::map<std::string, layermap_entry> const &layermap1, size_t el
if ((type & (1 << mvt_double)) != 0) {
state.nospace = true;
state.json_write_string("min");
state.nospace = true;
state.json_write_number(attribute.second.min);
state.nospace = true;
state.json_write_string("max");
state.nospace = true;
state.json_write_number(attribute.second.max);
}
@@ -368,60 +381,80 @@ std::string stringify_strategies(std::vector<strategy> const &strategies) {
json_writer state(&out);
bool any = false;
state.nospace = true;
state.json_write_array();
for (size_t i = 0; i < strategies.size(); i++) {
state.nospace = true;
state.json_write_hash();
if (strategies[i].dropped_by_rate > 0) {
state.nospace = true;
state.json_write_string("dropped_by_rate");
state.nospace = true;
state.json_write_number(strategies[i].dropped_by_rate);
any = true;
}
if (strategies[i].dropped_by_gamma > 0) {
state.nospace = true;
state.json_write_string("dropped_by_gamma");
state.nospace = true;
state.json_write_number(strategies[i].dropped_by_gamma);
any = true;
}
if (strategies[i].dropped_as_needed > 0) {
state.nospace = true;
state.json_write_string("dropped_as_needed");
state.nospace = true;
state.json_write_number(strategies[i].dropped_as_needed);
any = true;
}
if (strategies[i].coalesced_as_needed > 0) {
state.nospace = true;
state.json_write_string("coalesced_as_needed");
state.nospace = true;
state.json_write_number(strategies[i].coalesced_as_needed);
any = true;
}
if (strategies[i].detail_reduced > 0) {
state.nospace = true;
state.json_write_string("detail_reduced");
state.nospace = true;
state.json_write_number(strategies[i].detail_reduced);
any = true;
}
if (strategies[i].tiny_polygons > 0) {
state.nospace = true;
state.json_write_string("tiny_polygons");
state.nospace = true;
state.json_write_number(strategies[i].tiny_polygons);
any = true;
}
if (strategies[i].tile_size > 0) {
state.nospace = true;
state.json_write_string("tile_size_desired");
state.nospace = true;
state.json_write_number(strategies[i].tile_size);
any = true;
}
if (strategies[i].feature_count > 0) {
state.nospace = true;
state.json_write_string("feature_count_desired");
state.nospace = true;
state.json_write_number(strategies[i].feature_count);
any = true;
}
state.nospace = true;
state.json_end_hash();
}
state.nospace = true;
state.json_end_array();
if (any) {
@@ -556,21 +589,34 @@ void mbtiles_write_metadata(sqlite3 *db, const metadata &m, bool forcetable) {
}
if (m.vector_layers_json.size() > 0 || m.tilestats_json.size() > 0) {
std::string json = "{";
std::string json;
json_writer state(&json);
state.nospace = true;
state.json_write_hash();
if (m.vector_layers_json.size() > 0) {
json += "\"vector_layers\": " + m.vector_layers_json;
state.nospace = true;
state.json_write_string("vector_layers");
state.nospace = true;
state.json_write_json(m.vector_layers_json);
if (m.tilestats_json.size() > 0) {
json += ",\"tilestats\": " + m.tilestats_json;
state.nospace = true;
state.json_write_string("tilestats");
state.nospace = true;
state.json_write_json(m.tilestats_json);
}
} else {
if (m.tilestats_json.size() > 0) {
json += "\"tilestats\": " + m.tilestats_json;
state.nospace = true;
state.json_write_string("tilestats");
state.nospace = true;
state.json_write_json(m.tilestats_json);
}
}
json += "}";
state.nospace = true;
state.json_end_hash();
sql = sqlite3_mprintf("INSERT INTO metadata (name, value) VALUES ('json', %Q);", json.c_str());
if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
@@ -617,6 +663,7 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
{
json_writer state(&m.vector_layers_json);
state.nospace = true;
state.json_write_array();
std::vector<std::string> lnames;
@@ -626,23 +673,33 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
for (size_t i = 0; i < lnames.size(); i++) {
auto fk = layermap.find(lnames[i]);
state.nospace = true;
state.json_write_hash();
state.nospace = true;
state.json_write_string("id");
state.nospace = true;
state.json_write_string(lnames[i]);
state.nospace = true;
state.json_write_string("description");
state.nospace = true;
state.json_write_string(fk->second.description);
state.nospace = true;
state.json_write_string("minzoom");
state.nospace = true;
state.json_write_signed(fk->second.minzoom);
state.nospace = true;
state.json_write_string("maxzoom");
state.nospace = true;
state.json_write_signed(fk->second.maxzoom);
state.json_write_string("fields");
state.json_write_hash();
state.nospace = true;
state.json_write_string("fields");
state.nospace = true;
state.json_write_hash();
bool first = true;
size_t attribute_count = 0;
@@ -651,6 +708,7 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
first = false;
}
state.nospace = true;
state.json_write_string(j->first);
auto f = attribute_descriptions.find(j->first);
@@ -661,15 +719,20 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
}
if (type == (1 << mvt_double)) {
state.nospace = true;
state.json_write_string("Number");
} else if (type == (1 << mvt_bool)) {
state.nospace = true;
state.json_write_string("Boolean");
} else if (type == (1 << mvt_string)) {
state.nospace = true;
state.json_write_string("String");
} else {
state.nospace = true;
state.json_write_string("Mixed");
}
} else {
state.nospace = true;
state.json_write_string(f->second);
}
@@ -681,9 +744,11 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
state.nospace = true;
state.json_end_hash();
state.nospace = true;
state.json_end_hash();
}
state.nospace = true;
state.json_end_array();
}