Initial commit: bolt, map, leveldb support and test

map.go

@@ -0,0 +1,47 @@
+package storage
+
+import (
+	"fmt"
+)
+
+type Map map[string][]byte
+
+func NewMap() Map {
+	m := make(map[string][]byte)
+	n := Map(m)
+	return n
+}
+
+func (m Map) String() string {
+	s := ""
+	for k, v := range m {
+		if s != "" {
+			s += ",\n"
+		}
+		s += fmt.Sprintf("[%s]:[%s]", k, v)
+	}
+	return s
+}
+
+func (m Map) Close() error {
+	m = nil
+	return nil
+}
+
+func (m Map) Get(key string) ([]byte, error) {
+	if _, ok := m[key]; !ok {
+		return nil, ErrNotFound
+	}
+	return m[key], nil
+}
+
+func (m Map) Set(key string, value []byte) error {
+	if value == nil {
+		if _, ok := m[key]; ok {
+			delete(m, key)
+		}
+		return nil
+	}
+	m[key] = value
+	return nil
+}