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#ifdef DEBUG
#include <stdio.h>
#endif
#include <string.h>
#include <json.h>
#include "pikul.h"
extern json_tokener *tokener;
void recurse(struct json_object *, const char *[], struct json_object **);
enum type { SERVICES, ORDER };
inline void handle(enum type type, const char *contents, size_t num_bytes, const char *status_trail[],
const char *trail[], const char *attributes[], void *data)
{
#ifdef DEBUG
((char *)contents)[num_bytes] = '\0';
fprintf(stderr, "%s\n", contents);
#endif
json_object *response = json_tokener_parse_ex(tokener, contents, num_bytes);
enum json_tokener_error error = json_tokener_get_error(tokener);
if (!response) {
if (error == json_tokener_continue)
return;
else {
json_tokener_reset(tokener);
return;
}
} else if (!json_object_is_type(response, json_type_object) || error != json_tokener_success)
return;
struct json_object *status = NULL;
recurse(response, status_trail, &status);
if (json_object_get_int(status) != 200)
return;
switch (type) {
case SERVICES:
;
struct json_object *array = NULL;
recurse(response, trail, &array);
size_t length = json_object_array_length(array);
struct pikul_services **services = (struct pikul_services **)data;
*services = malloc(sizeof(struct pikul_services)
+ sizeof(struct pikul_service *[length]));
(*services)->length = length;
enum { CODE, NAME, ETD, COST };
for (size_t i = 0; i < length; i++) {
(*services)->list[i] = malloc(sizeof(struct pikul_service));
struct pikul_service *service = (*services)->list[i];
json_object *object = json_object_array_get_idx(array, i);
struct json_object_iterator iterator = json_object_iter_begin(object);
struct json_object_iterator iterator_end = json_object_iter_end(object);
while (!json_object_iter_equal(&iterator, &iterator_end)) {
const char *name = json_object_iter_peek_name(&iterator);
json_object *value = json_object_iter_peek_value(&iterator);
if (!strcmp(name, attributes[COST]))
service->cost = json_object_get_double(value);
else {
int len = json_object_get_string_len(value);
if (len) {
char *string = malloc(len + 1);
strcpy(string, json_object_get_string(value));
if (!strcmp(name, attributes[CODE]))
service->code = string;
else if (!strcmp(name, attributes[NAME]))
service->name = string;
else if (!strcmp(name, attributes[ETD]))
service->etd = string;
}
}
json_object_iter_next(&iterator);
}
}
break;
case ORDER:
;
struct json_object *string = NULL;
recurse(response, trail, &string);
char **tracking_number = (char **)data;
*tracking_number = malloc(json_object_get_string_len(string) + 1);
strcpy(*tracking_number, json_object_get_string(string));
break;
default:
break;
}
}
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