Generalise the response handler

so the common part gets to be reused.

3 files changed, 46 insertions, 35 deletions

diff --git a/anteraja.c b/anteraja.c
index 49d2802..06a9b24 100644
--- a/anteraja.c
+++ b/anteraja.c
@@ -37,7 +37,7 @@ size_t anteraja_services_handle(const char *contents, size_t size, size_t nmemb,
 		struct pikul_services **services)
 {
 	size_t realsize = size * nmemb;
-	handle_services(contents, realsize, status_trail, (const char *[]){
+	handle(SERVICES, contents, realsize, status_trail, (const char *[]){
 			"content",
 			"services",
 			NULL
diff --git a/handler.h b/handler.h
index 9c46975..065820c 100644
--- a/handler.h
+++ b/handler.h
@@ -8,8 +8,10 @@
 extern json_tokener *tokener;
 void recurse(struct json_object *, const char *[], struct json_object **);
 
-inline void handle_services(const char *contents, size_t num_bytes, const char *status_trail[],
-		const char *trail[], const char *attributes[], struct pikul_services **services)
+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';
@@ -30,37 +32,46 @@ inline void handle_services(const char *contents, size_t num_bytes, const char *
 	recurse(response, status_trail, &status);
 	if (json_object_get_int(status) != 200)
 		return;
-	struct json_object *array = NULL;
-	recurse(response, trail, &array);
-	size_t length = json_object_array_length(array);
-	*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;
+	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);
 				}
 			}
-			json_object_iter_next(&iterator);
-		}
+			break;
+		default:
+			break;
 	}
 }
diff --git a/pikul.c b/pikul.c
index f410006..5dd0750 100644
--- a/pikul.c
+++ b/pikul.c
@@ -6,8 +6,8 @@ json_tokener *tokener;
 struct shipping shipping;
 
 extern inline void headers(const char *[], char *[]);
-extern inline void handle_services(const char *, size_t, const char *[], const char *[], const char *[],
-		struct pikul_services **);
+extern inline void handle(enum type, const char *, size_t, const char *[], const char *[], const char *[],
+		void *);
 
 extern void anteraja_init(char *[]);
 extern void anteraja_services(const char *, const char *, double, char **, char **);