static int ProcessEntry(char *outbuf, KeyValueNode *pair, char label) {
char *json_answer=NULL;
json_t *root, *results;
json_error_t error;
char url[512];
int entrySize=0, nresults;
/* cplusplus stuff! */
try {
sprintf(url, addressFormat, pair->value);
json_answer = (char*) DownloadToBuffer(url);
// process the query result
if ((root = json_loads(json_answer, 0, &error)) == NULL) {
printf("json error on line %d: %s\n", error.line, error.text);
// release the response buffer
if (json_answer != NULL) free(json_answer);
return -1;
}
results = json_object_get(root, "results");
nresults = json_array_size(results);
for (int i=0; i < nresults; ++i) {
double lat, lng;
json_t *result, *geometry, *location;
result = json_array_get(results, i);
location = json_object_get(json_object_get(result, "geometry"), "location");
lat = json_real_value(json_object_get(location, "lat"));
lng = json_real_value(json_object_get(location, "lng"));
entrySize+=sprintf(outbuf+entrySize, markerFormat, "blue", label, lat, lng);
}
if (json_answer != NULL) free(json_answer);
// release json resources
json_decref(root);
return entrySize;
}
catch (...) {
if (json_answer != NULL) free(json_answer);
// release json resources
json_decref(root);
return -1;
}
}
void
Net::DownloadToBufferJob::Run(OperationEnvironment &env)
{
length = DownloadToBuffer(session, url, buffer, max_length, env);
}
