update url

README.md

@@ -5,7 +5,7 @@ is a Redis client library for Carp.
 ## Installation
 
 ```clojure
-(load "https://veitheller.de/git/carpentry/redis.git@master")
+(load "https://git.veitheller.de/carpentry/redis.git@master")
 ```
 
 ## Usage

examples/simple.carp

@@ -4,10 +4,10 @@
     (match (Redis.open "127.0.0.1")
       (Result.Success r)
         (do
-          (Redis.send &r "PING" [])
+          (Redis.send &r @"PING" &[])
           (println* &(Redis.read &r))
 
-          (Redis.send &r "PING" [(Box (to-redis @"hiiiii"))])
+          (Redis.send &r @"PING" &[(to-redis @"hiiiii")])
           (println* &(Redis.read &r))
 
           (println* &(Redis.echo &r @"hi"))

redis.carp

@@ -5,97 +5,104 @@
   (Str [String])
   (Err [String])
   (Integer [Int])
-  (Arr [(Array (Box RESP))])
+  ;(Arr [(Array &RESP)])
+  (Arr [(Array String)])
 )
 
 (defmodule RESP
   (use-all Array Maybe Pattern Result)
 
+  (hidden c)
+  (private c)
+  (def c (prn &@&[@""]))
+
   (defn str [r]
     (match @r
       (Null) @"$-1\r\n"
       (Str s) (fmt "$%d\r\n%s\r\n" (String.length &s) &s)
       (Err s) (fmt "-%s\r\n" &s)
       (Integer i) (fmt ":%d\r\n" i)
-      (Arr a)
+      (Arr a) (fmt "*%d\r\n%s" (Array.length &a) &(String.concat &a))))
-        (fmt "*%d\r\n%s"
-          (Array.length &a)
-          &(String.concat &(Array.copy-map &(fn [b] (str (unbox b))) &a)))))
 
   (hidden decode-bulk-string)
   (private decode-bulk-string)
   (defn decode-bulk-string [s]
     (if (starts-with? s "-1\r\n")
-      (Success (Pair 4 (Null)))
+      (Success (Null))
       (let [splt (split #"\r\n" s)
             l (unsafe-first &splt)]
         (match (from-string l)
           (Nothing) (Error @"Error decoding bulk string: does not start with length!")
           (Just il)
-            (Success
+            (Success (Str
-              (Pair (+ il 3)
+              (String.prefix &(join "\r\n" &(suffix &splt 1)) il)))))))
-                    (Str
-                      (String.prefix &(join "\r\n" &(suffix &splt 1)) il))))))))
 
-  (private from-string-)
+  (hidden agg)
-  (hidden from-string-)
+  (private agg)
-  (sig from-string- (Fn [&String] (Result (Pair Int RESP) String)))
+  (defn agg [els len]
-  (defn from-string- [s] (Error @"dummy"))
+    (let-do [consumed 0
+             clen 0]
+      (for [i 0 len]
+        (let [el (unsafe-nth els i)]
+          (if (>= clen len)
+            (break)
+            (do
+              (set! consumed (inc consumed))
+              (set! clen (+ 2 (+ clen (String.length el))))))))
+      consumed))
 
   (hidden decode-arr)
   (private decode-arr)
-  (defn decode-arr [is]
+  (defn decode-arr [s]
-    (if (starts-with? &is "0\r\n")
+    (if (starts-with? s "*0\r\n")
-      (Success (Pair 4 (Arr [])))
+      (Success (Null))
-      (let [splt (split #"\r\n" &(chomp &is))
+      (let [splt (split #"\r\n" &(chomp s))
-            sl (unsafe-first &splt)
+            sl (unsafe-first &splt)]
-            s (join "\r\n" &(suffix &splt 1))]
         (match (from-string sl)
           (Nothing)
             (Error @"Error decoding array: does not start with length!")
           (Just l)
             (let-do [a (Array.allocate l)
-                     consumed 0
+                     idx 0
-                     err @""]
+                     err ""]
-              (for [i 0 (- l 1)]
+              (for [i 0 (- (length &splt) 1)]
-                (match (from-string- &s)
+                ; TODO: have nested structures
-                  (Error msg)
+                (let-do [el (unsafe-nth &splt (+ i 1))]
-                    (do
+                  (case (head el)
-                      (set! err msg)
+                    \$
-                      (break))
+                      (match (from-string &(tail el))
-                  (Success p)
-                    (do
-                      (+= consumed @(Pair.a &p))
-                      (aset-uninitialized! &a i (Box @(Pair.b &p)))
-                      (set! s (String.suffix &s @(Pair.a &p))))))
-              (if (= &err "")
-                (Success (Pair consumed (Arr a)))
-                (Error err)))))))
-
-  (defn from-string- [s]
-    (if (empty? s)
-      (Success (Pair 0 (Null)))
-      (case (head s)
-        \+
-          (let [f (unsafe-first &(split #"\r\n" &(tail s)))]
-            (Success (Pair (String.length f) (Str @f))))
-        \-
-          (let [f (unsafe-first &(split #"\r\n" &(tail s)))]
-            (Success (Pair (String.length f) (Err @f))))
-        \:
-          (let [f (unsafe-first &(split #"\r\n" &(tail s)))]
-            (match (from-string f)
                         (Maybe.Nothing)
-                (Error @"Could not parse integer in result.")
+                          (aset-uninitialized! &a idx @"")
-              (Maybe.Just i)
+                        (Maybe.Just il)
-                (Success (Pair (String.length f) (Integer i)))))
+                          (let-do [rest (suffix &splt (+ i 2))]
-        \$ (decode-bulk-string &(tail s))
+                            (aset-uninitialized! &a idx (String.prefix &(join "\r\n" &rest) il))
-        \* (decode-arr (tail s))
+                            (set! i (+ i (agg &rest il)))))
-        (Error (fmt "Malformed RESP data: got %s" s)))))
+                    \*
+                      (do
+                        (set! err "TODO: cannot deal with nested arrays")
+                        (break))
+                    (aset-uninitialized! &a idx (chomp el)))
+                  (set! idx (inc idx))))
+              (if (= err "")
+                (Success (Arr a))
+                (Error @err)))))))
 
   (doc from-string "converts a RESP string into a `RESP` data structure.")
   (defn from-string [s]
-    (Result.map (from-string- s) &(fn [p] @(Pair.b &p))))
+    (if (empty? s)
+      (Success (Null))
+      (case (head s)
+        \+ (Success (Str @(unsafe-first &(split #"\r\n" &(tail s)))))
+        \- (Success (Err @(unsafe-first &(split #"\r\n" &(tail s)))))
+        \:
+          (match (from-string (unsafe-first &(split #"\r\n" &(tail s))))
+            (Maybe.Nothing)
+              (Error @"Could not parse integer in result.")
+            (Maybe.Just i)
+              (Success (Integer i)))
+        \$ (decode-bulk-string &(tail s))
+        \* (decode-arr &(tail s))
+        (Error (fmt "Malformed RESP data: got %s" s)))))
 
   (definterface to-redis (Fn [a] RESP))
 )
@@ -133,9 +140,9 @@ For variable port numbers please check out [`open-on`](#open-on).")
   (defn read [r] (RESP.from-string &(Socket.read (sock r))))
   (doc send "sends the command `cmd` with the arguments `args` to Redis.")
   (defn send [r cmd args]
-    (if (empty? &args)
+    (if (empty? args)
-      (Socket.send (sock r) &(fmt "%s\r\n" cmd))
+      (Socket.send (sock r) &(fmt "%s\r\n" &cmd))
-      (Socket.send (sock r) &(str &(RESP.Arr (concat &[[(Box (to-redis @cmd))] args]))))))
+      (Socket.send (sock r) &(str &(RESP.Arr (concat &[[(str &(to-redis cmd))] (copy-map &RESP.str args)]))))))
 
   (doc close "closes the connection to Redis.")
   (defn close [r] (Socket.close @(sock &r)))
@@ -150,7 +157,7 @@ For variable port numbers please check out [`open-on`](#open-on).")
 (defndynamic rconv- [args]
   (if (= (length args) 0)
     (array)
-    (cons (list 'Box (list 'to-redis (car args))) (rconv- (cdr args)))))
+    (cons (list 'to-redis (car args)) (rconv- (cdr args)))))
 
 (defmacro defredis [cmd :rest args]
   (eval
@@ -163,7 +170,7 @@ It takes the same arguments as the [Redis command](https://redis.io/commands/"
       ]))
       (list 'defn cmd (collect-into (cons 'r args) array)
         (list 'do
-          (list 'Redis.send 'r (rtreat- (Symbol.str cmd)) (rconv- args))
+          (list 'Redis.send 'r (list 'copy (rtreat- (Symbol.str cmd))) (list 'ref (rconv- args)))
           '(Redis.read r))))))
 
 ; these commands were scraped from redis.io on the 9th of Feb 2020