Replace switch & enum with generic selections

1 files changed, 6 insertions, 18 deletions

diff --git a/midtrans.h b/midtrans.h
index 181e73c..bd03076 100644
--- a/midtrans.h
+++ b/midtrans.h
@@ -6,23 +6,6 @@ struct midtrans_transaction {
 	long gross_amount;
 };
 
-enum midtrans_payment {
-	MIDTRANS_CREDITCARD = 0,
-	MIDTRANS_BANKTRANSFER,
-	MIDTRANS_BCA_KLIKBCA,
-	MIDTRANS_BCA_KLIKPAY,
-	MIDTRANS_BRI_EPAY,
-	MIDTRANS_CIMB_CLICKS,
-	MIDTRANS_DANAMON_ONLINE,
-	MIDTRANS_UOB_EZPAY,
-	MIDTRANS_QRIS,
-	MIDTRANS_GOPAY,
-	MIDTRANS_SHOPEEPAY,
-	MIDTRANS_CSTORE,
-	MIDTRANS_AKULAKU,
-	MIDTRANS_KREDIVO
-};
-
 struct midtrans_banktransfer {
 	char *bank;
 	char *va_number;
@@ -30,13 +13,18 @@ struct midtrans_banktransfer {
 	char *permata;
 };
 
+#define midtrans_charge(x, y, z) _Generic((x),\
+		struct midtrans_banktransfer *:\
+		midtrans_charge_banktransfer(x, y, z)\
+		)
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 void midtrans_init(const char *api_key, const char *cainfo);
 void midtrans_status(const char *order_id);
-void midtrans_charge(enum midtrans_payment type, void *payment,
+void midtrans_charge_banktransfer(struct midtrans_banktransfer *banktransfer,
 		struct midtrans_transaction *transaction,
 		char *custom_fields[]);
 void midtrans_cleanup();