From a7a1886b7eaeac0265af419a3f9c0793e7098d46 Mon Sep 17 00:00:00 2001
From: Yossi Gottlieb <yossigo@gmail.com>
Date: Sun, 4 Aug 2019 11:55:24 +0300
Subject: [PATCH] Initial RESP3 support [d5c54f0b].

---
 read.c | 17 ++++++++++++++---
 read.h |  8 ++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/read.c b/read.c
index cc21267..084d0b0 100644
--- a/read.c
+++ b/read.c
@@ -362,7 +362,8 @@ static int processBulkItem(redisReader *r) {
     return REDIS_ERR;
 }
 
-static int processMultiBulkItem(redisReader *r) {
+/* Process the array, map and set types. */
+static int processAggregateItem(redisReader *r) {
     redisReadTask *cur = &(r->rstack[r->ridx]);
     void *obj;
     char *p;
@@ -404,10 +405,12 @@ static int processMultiBulkItem(redisReader *r) {
 
             moveToNextTask(r);
         } else {
+            if (cur->type == REDIS_REPLY_MAP) elements *= 2;
+
             if (r->fn && r->fn->createArray)
                 obj = r->fn->createArray(cur,elements);
             else
-                obj = (void*)REDIS_REPLY_ARRAY;
+                obj = (void*)(long)cur->type;
 
             if (obj == NULL) {
                 __redisReaderSetErrorOOM(r);
@@ -461,6 +464,12 @@ static int processItem(redisReader *r) {
             case '*':
                 cur->type = REDIS_REPLY_ARRAY;
                 break;
+            case '%':
+                cur->type = REDIS_REPLY_MAP;
+                break;
+            case '~':
+                cur->type = REDIS_REPLY_SET;
+                break;
             default:
                 __redisReaderSetErrorProtocolByte(r,*p);
                 return REDIS_ERR;
@@ -480,7 +489,9 @@ static int processItem(redisReader *r) {
     case REDIS_REPLY_STRING:
         return processBulkItem(r);
     case REDIS_REPLY_ARRAY:
-        return processMultiBulkItem(r);
+    case REDIS_REPLY_MAP:
+    case REDIS_REPLY_SET:
+        return processAggregateItem(r);
     default:
         assert(NULL);
         return REDIS_ERR; /* Avoid warning. */
diff --git a/read.h b/read.h
index 0894b78..1be3b7b 100644
--- a/read.h
+++ b/read.h
@@ -54,6 +54,14 @@
 #define REDIS_REPLY_NIL 4
 #define REDIS_REPLY_STATUS 5
 #define REDIS_REPLY_ERROR 6
+#define REDIS_REPLY_DOUBLE 7
+#define REDIS_REPLY_BOOL 8
+#define REDIS_REPLY_VERB 9
+#define REDIS_REPLY_MAP 9
+#define REDIS_REPLY_SET 10
+#define REDIS_REPLY_ATTR 11
+#define REDIS_REPLY_PUSH 12
+#define REDIS_REPLY_BIGNUM 13
 
 #define REDIS_READER_MAX_BUF (1024*16)  /* Default max unused reader buffer. */