Move top level packages to internal.

test/json.go

@@ -0,0 +1,45 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	log.SetFlags(0)
+	flag.Parse()
+	path := strings.Split(flag.Arg(0), "/")
+
+	var obj map[string]interface{}
+	dec := json.NewDecoder(os.Stdin)
+	dec.UseNumber()
+	dec.Decode(&obj)
+
+	var v interface{} = obj
+	for _, p := range path {
+		switch tv := v.(type) {
+		case map[string]interface{}:
+			v = tv[p]
+		case []interface{}:
+			i, err := strconv.Atoi(p)
+			if err != nil {
+				log.Fatal(err)
+			}
+			v = tv[i]
+		default:
+			return // Silence is golden
+		}
+	}
+	fmt.Println(v)
+}