Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/github.com/modern-go/reflect2/safe_map.go b/vendor/github.com/modern-go/reflect2/safe_map.go
new file mode 100644
index 0000000..8836220
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/safe_map.go
@@ -0,0 +1,101 @@
+package reflect2
+
+import (
+ "reflect"
+ "unsafe"
+)
+
+type safeMapType struct {
+ safeType
+}
+
+func (type2 *safeMapType) Key() Type {
+ return type2.safeType.cfg.Type2(type2.Type.Key())
+}
+
+func (type2 *safeMapType) MakeMap(cap int) interface{} {
+ ptr := reflect.New(type2.Type)
+ ptr.Elem().Set(reflect.MakeMap(type2.Type))
+ return ptr.Interface()
+}
+
+func (type2 *safeMapType) UnsafeMakeMap(cap int) unsafe.Pointer {
+ panic("does not support unsafe operation")
+}
+
+func (type2 *safeMapType) SetIndex(obj interface{}, key interface{}, elem interface{}) {
+ keyVal := reflect.ValueOf(key)
+ elemVal := reflect.ValueOf(elem)
+ val := reflect.ValueOf(obj)
+ val.Elem().SetMapIndex(keyVal.Elem(), elemVal.Elem())
+}
+
+func (type2 *safeMapType) UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer) {
+ panic("does not support unsafe operation")
+}
+
+func (type2 *safeMapType) TryGetIndex(obj interface{}, key interface{}) (interface{}, bool) {
+ keyVal := reflect.ValueOf(key)
+ if key == nil {
+ keyVal = reflect.New(type2.Type.Key()).Elem()
+ }
+ val := reflect.ValueOf(obj).MapIndex(keyVal)
+ if !val.IsValid() {
+ return nil, false
+ }
+ return val.Interface(), true
+}
+
+func (type2 *safeMapType) GetIndex(obj interface{}, key interface{}) interface{} {
+ val := reflect.ValueOf(obj).Elem()
+ keyVal := reflect.ValueOf(key).Elem()
+ elemVal := val.MapIndex(keyVal)
+ if !elemVal.IsValid() {
+ ptr := reflect.New(reflect.PtrTo(val.Type().Elem()))
+ return ptr.Elem().Interface()
+ }
+ ptr := reflect.New(elemVal.Type())
+ ptr.Elem().Set(elemVal)
+ return ptr.Interface()
+}
+
+func (type2 *safeMapType) UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer {
+ panic("does not support unsafe operation")
+}
+
+func (type2 *safeMapType) Iterate(obj interface{}) MapIterator {
+ m := reflect.ValueOf(obj).Elem()
+ return &safeMapIterator{
+ m: m,
+ keys: m.MapKeys(),
+ }
+}
+
+func (type2 *safeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
+ panic("does not support unsafe operation")
+}
+
+type safeMapIterator struct {
+ i int
+ m reflect.Value
+ keys []reflect.Value
+}
+
+func (iter *safeMapIterator) HasNext() bool {
+ return iter.i != len(iter.keys)
+}
+
+func (iter *safeMapIterator) Next() (interface{}, interface{}) {
+ key := iter.keys[iter.i]
+ elem := iter.m.MapIndex(key)
+ iter.i += 1
+ keyPtr := reflect.New(key.Type())
+ keyPtr.Elem().Set(key)
+ elemPtr := reflect.New(elem.Type())
+ elemPtr.Elem().Set(elem)
+ return keyPtr.Interface(), elemPtr.Interface()
+}
+
+func (iter *safeMapIterator) UnsafeNext() (unsafe.Pointer, unsafe.Pointer) {
+ panic("does not support unsafe operation")
+}