Add encode/decode commands

Add CLI tools to encode or decode from stdin to stdout.

Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>

Author: pdgendt

cmd/decode/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"io"
+	"os"
+
+	"github.com/pdgendt/cobs"
+)
+
+func main() {
+	dec := cobs.NewDecoder(os.Stdout)
+	for {
+		tmp := make([]byte, 1024)
+		n, err := os.Stdin.Read(tmp)
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			panic(err)
+		}
+		
+		_, err = dec.Write(tmp[:n])
+		if err != nil {
+			panic(err)
+		}
+	}
+
+}

cmd/encode/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"flag"
+	"io"
+	"os"
+
+	"github.com/pdgendt/cobs"
+)
+
+func main() {
+	delimiter := flag.Bool("del", false, "Append a delimiter")
+
+	flag.Parse()
+
+	enc := cobs.NewEncoder(os.Stdout)
+	for {
+		tmp := make([]byte, 1024)
+		n, err := os.Stdin.Read(tmp)
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			panic(err)
+		}
+		
+		_, err = enc.Write(tmp[:n])
+		if err != nil {
+			panic(err)
+		}
+	}
+	enc.Close()
+
+	if *delimiter {
+		os.Stdout.Write([]byte{cobs.Delimiter})
+	}
+}