vbump

README.md

@@ -3,7 +3,7 @@
 A simple CLI library for Carp.
 
 ```clojure
-(load "https://veitheller.de/git/carpentry/cli@0.0.2")
+(load "https://veitheller.de/git/carpentry/cli@0.0.6")
 
 (defn main []
   (let [p (=> (CLI.new @"My super cool tool!")
@@ -18,7 +18,7 @@ A simple CLI library for Carp.
 ## Installation
 
 ```clojure
-(load "https://veitheller.de/git/carpentry/cli@0.0.2")
+(load "https://veitheller.de/git/carpentry/cli@0.0.6")
 ```
 
 ## Usage
@@ -43,8 +43,8 @@ manually.
 Once you’re done building your flag structure, you can run `CLI.parse`. It
 will not abort the program on error, instead it will tell you what went wrong
 in a `Result.Error`. If it succeeds, the `Result.Success` contains a `Map` from
-the long flag name to the value (the values are `Maybe`s, since they might be
-optional arguments.
+the long flag name to the value. The values are not in the map if they are
+unset.
 
 <hr/>
 

cli.carp

@@ -6,7 +6,7 @@
 (doc CLI "is a simple CLI library for Carp.
 
 ```clojure
-(load \"https://veitheller.de/git/carpentry/cli@0.0.2\")
+(load \"https://veitheller.de/git/carpentry/cli@0.0.6\")
 
 (defn main []
   (let [p (=> (CLI.new @\"My super cool tool!\")
@@ -21,7 +21,7 @@
 ## Installation
 
 ```clojure
-(load \"https://veitheller.de/git/carpentry/cli@0.0.2\")
+(load \"https://veitheller.de/git/carpentry/cli@0.0.6\")
 ```
 
 ## Usage
@@ -46,8 +46,8 @@ manually.
 Once you’re done building your flag structure, you can run `CLI.parse`. It
 will not abort the program on error, instead it will tell you what went wrong
 in a `Result.Error`. If it succeeds, the `Result.Success` contains a `Map` from
-the long flag name to the value (the values are `Maybe`s, since they might be
-optional arguments.")
+the long flag name to the value. The values are not in the map if they are
+unset.")
 (defmodule CLI
   (hidden Type)
   (private Type)
@@ -55,11 +55,16 @@ optional arguments.")
     (Integer [Long])
     (Floating [Double])
     (Str [String])
+    (None [])
   )
 
   (defmodule Type
     (defn = [a b]
       (match @a
+        (None)
+          (match @b
+            (None) true
+            _ false)
         (Integer i)
           (match @b
             (Integer j) (= i j)
@@ -83,7 +88,35 @@ optional arguments.")
       (match @t
         (Integer i) (str i)
         (Floating f) (str f)
-        (Str s) (str s)))
+        (Str s) (str s)
+        (None) @"none"))
+
+    (defn to-int [x]
+      (match x
+        (Integer l) (Long.to-int l)
+        _ 0))
+
+    (defn to-long [x]
+      (match x
+        (Integer l) l
+        _ 0l))
+
+    (defn to-str [x]
+      (match x
+        (Str s) s
+        _ @""))
+
+    (defn to-float [x]
+      (match x
+        (Floating d) (Double.to-float d)
+        _ 0.0f))
+
+    (defn to-double [x]
+      (match x
+        (Floating d) d
+        _ 0.0))
+
+    (defn zero [] (None))
   )
 
   (hidden Tag)
@@ -203,7 +236,10 @@ optional arguments.")
 
     (defn to-map [m]
       (Array.reduce
-        &(fn [a v] (Map.put a (Pair.a (Pair.a v)) (Pair.b (Pair.b v))))
+        &(fn [a v]
+          (match @(Pair.b (Pair.b v))
+            (Maybe.Just e) (Map.put a (Pair.a (Pair.a v)) &e)
+            (Maybe.Nothing) a))
         {}
         (values m)))
   )
@@ -295,17 +331,22 @@ mesage is empty, `--help` was requested. If you don’t want to provide a
       (for [i 1 (System.get-args-len)]
         (let [x (System.get-arg i)]
           (if (or (String.starts-with? x "--") (String.starts-with? x "-"))
-            (let [flag (Pattern.substitute #"^\-\-?" x "" 1)]
+            (let [flag (Pattern.substitute #"^\-\-?" x "" 1)
+                  splt (String.split-by &flag &[\=])
+                  k (if (> (Array.length &splt) 1) (Array.unsafe-nth &splt 0) &flag)
+                  v (cond (> (Array.length &splt) 1) (Array.nth &splt 1)
+                          (< i (System.get-args-len))
+                            (do (set! i (Int.inc i)) (Maybe.Just @(System.get-arg i)))
+                          (Maybe.Nothing))]
               (cond
-                (CmdMap.contains? &values &flag)
-                  (do
-                    (set! i (Int.inc i))
-                    (if (< i (System.get-args-len))
-                      (CmdMap.put! &values &flag (System.get-arg i))
+                (CmdMap.contains? &values k)
+                  (match v
+                    (Maybe.Just val) (CmdMap.put! &values k &val)
+                    (Maybe.Nothing)
                       (do
                         (set! res (Result.Error (fmt "No value for: %s" &flag)))
-                        (break))))
-                (or (= &flag "help") (= &flag "h"))
+                        (break)))
+                (or (= k "help") (= k "h"))
                   (do
                     (set! res (Result.Error @""))
                     (break))

docs/CLI.html

@@ -30,7 +30,7 @@
             </h1>
             <div class="module-description">
                 <p>is a simple CLI library for Carp.</p>
-<pre><code class="language-clojure">(load &quot;https://veitheller.de/git/carpentry/cli@0.0.2&quot;)
+<pre><code class="language-clojure">(load &quot;https://veitheller.de/git/carpentry/cli@0.0.6&quot;)
 
 (defn main []
   (let [p (=&gt; (CLI.new @&quot;My super cool tool!&quot;)
@@ -42,7 +42,7 @@
       (Result.Error msg) (do (IO.errorln &amp;msg) (CLI.usage &amp;p)))))
 </code></pre>
 <h2>Installation</h2>
-<pre><code class="language-clojure">(load &quot;https://veitheller.de/git/carpentry/cli@0.0.2&quot;)
+<pre><code class="language-clojure">(load &quot;https://veitheller.de/git/carpentry/cli@0.0.6&quot;)
 </code></pre>
 <h2>Usage</h2>
 <p><code>CLI</code> should be built using combinators, as in the example above. It has, as of
@@ -61,8 +61,8 @@ manually.</p>
 <p>Once you’re done building your flag structure, you can run <code>CLI.parse</code>. It
 will not abort the program on error, instead it will tell you what went wrong
 in a <code>Result.Error</code>. If it succeeds, the <code>Result.Success</code> contains a <code>Map</code> from
-the long flag name to the value (the values are <code>Maybe</code>s, since they might be
-optional arguments.</p>
+the long flag name to the value. The values are not in the map if they are
+unset.</p>
 
             </div>
             <div class="binder">
@@ -197,7 +197,7 @@ optional arguments.</p>
                     defn
                 </div>
                 <p class="sig">
-                    (λ [(Ref Parser)] (Result (Map String (Maybe Type)) String))
+                    (λ [(Ref Parser)] (Result (Map String Type) String))
                 </p>
                 <pre class="args">
                     (parse p)

examples/simple.carp

@@ -3,8 +3,11 @@
 (defn main []
   (let [p (=> (CLI.new @"My super cool tool!")
               (CLI.add &(CLI.int "flag" "f" "my flag" true))
-              (CLI.add &(CLI.str "thing" "t" "my thing" false @"hi" &[@"a" @"b" @"hi"])))]
+              (CLI.add &(CLI.str "thing" "t" "my thing" false @"hi" &[@"a" @"b" @"hi"]))
+              (CLI.add &(CLI.str "other" "o" "my thing" false)))]
     (match (CLI.parse &p)
       (Result.Success flags)
-        (println* &(str &(Map.get &flags "flag")) " " &(str &(Map.get &flags "thing")))
+        (println*
+          &(str &(Map.get &flags "flag")) " " &(str &(Map.get &flags "thing"))
+          " " &(str &(Map.get &flags "other")))
       (Result.Error msg) (do (IO.errorln &msg) (CLI.usage &p)))))