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Merge pull request #94 from mapbox/bare-geometry

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Detect and parse bare GeoJSON geometries that aren't part of a Feature
This commit is contained in:
Eric Fischer 2015-10-06 10:59:55 -07:00
commit c4f517fbdc
1 changed files with 54 additions and 4 deletions
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58
geojson.c
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@ -446,7 +446,7 @@ int serialize_geometry(json_object *geometry, json_object *properties, const cha
unsigned bbox[] = {UINT_MAX, UINT_MAX, 0, 0};
int nprop = 0;
if (properties->type == JSON_HASH) {
if (properties != NULL && properties->type == JSON_HASH) {
nprop = properties->length;
}
@ -661,6 +661,7 @@ int read_json(int argc, char **argv, char *fname, const char *layername, int max
FILE *fp;
long long found_hashes = 0;
long long found_features = 0;
long long found_geometries = 0;
if (n >= argc) {
reading = "standard input";
@ -690,16 +691,65 @@ int read_json(int argc, char **argv, char *fname, const char *layername, int max
if (j->type == JSON_HASH) {
found_hashes++;
if (found_hashes == 50 && found_features == 0) {
fprintf(stderr, "%s:%d: Not finding any GeoJSON features in input after 50 objects. Is your file just bare geometries?\n", reading, jp->line);
if (found_hashes == 50 && found_features == 0 && found_geometries == 0) {
fprintf(stderr, "%s:%d: Warning: not finding any GeoJSON features or geometries in input yet after 50 objects.\n", reading, jp->line);
}
}
json_object *type = json_hash_get(j, "type");
if (type == NULL || type->type != JSON_STRING || strcmp(type->string, "Feature") != 0) {
if (type == NULL || type->type != JSON_STRING) {
continue;
}
if (found_features == 0) {
int i;
int is_geometry = 0;
for (i = 0; i < GEOM_TYPES; i++) {
if (strcmp(type->string, geometry_names[i]) == 0) {
is_geometry = 1;
break;
}
}
if (is_geometry) {
if (j->parent != NULL) {
if (j->parent->type == JSON_ARRAY) {
if (j->parent->parent->type == JSON_HASH) {
json_object *geometries = json_hash_get(j->parent->parent, "geometries");
if (geometries != NULL) {
// Parent of Parent must be a GeometryCollection
is_geometry = 0;
}
}
} else if (j->parent->type == JSON_HASH) {
json_object *geometry = json_hash_get(j->parent, "geometry");
if (geometry != NULL) {
// Parent must be a Feature
is_geometry = 0;
}
}
}
}
if (is_geometry) {
if (found_features != 0 && found_geometries == 0) {
fprintf(stderr, "%s:%d: Warning: found a mixture of features and bare geometries\n", reading, jp->line);
}
found_geometries++;
serialize_geometry(j, NULL, reading, jp, &seq, &metapos, &geompos, &indexpos, exclude, include, exclude_all, metafile, geomfile, indexfile, poolfile, treefile, fname, maxzoom, n, droprate, file_bbox);
json_free(j);
continue;
}
}
if (strcmp(type->string, "Feature") != 0) {
continue;
}
if (found_features == 0 && found_geometries != 0) {
fprintf(stderr, "%s:%d: Warning: found a mixture of features and bare geometries\n", reading, jp->line);
}
found_features++;
json_object *geometry = json_hash_get(j, "geometry");