aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go')
-rw-r--r--vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go108
1 files changed, 0 insertions, 108 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go b/vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go
deleted file mode 100644
index 1a3d106..0000000
--- a/vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package awsutil
-
-import (
- "io"
- "reflect"
- "time"
-)
-
-// Copy deeply copies a src structure to dst. Useful for copying request and
-// response structures.
-//
-// Can copy between structs of different type, but will only copy fields which
-// are assignable, and exist in both structs. Fields which are not assignable,
-// or do not exist in both structs are ignored.
-func Copy(dst, src interface{}) {
- dstval := reflect.ValueOf(dst)
- if !dstval.IsValid() {
- panic("Copy dst cannot be nil")
- }
-
- rcopy(dstval, reflect.ValueOf(src), true)
-}
-
-// CopyOf returns a copy of src while also allocating the memory for dst.
-// src must be a pointer type or this operation will fail.
-func CopyOf(src interface{}) (dst interface{}) {
- dsti := reflect.New(reflect.TypeOf(src).Elem())
- dst = dsti.Interface()
- rcopy(dsti, reflect.ValueOf(src), true)
- return
-}
-
-// rcopy performs a recursive copy of values from the source to destination.
-//
-// root is used to skip certain aspects of the copy which are not valid
-// for the root node of a object.
-func rcopy(dst, src reflect.Value, root bool) {
- if !src.IsValid() {
- return
- }
-
- switch src.Kind() {
- case reflect.Ptr:
- if _, ok := src.Interface().(io.Reader); ok {
- if dst.Kind() == reflect.Ptr && dst.Elem().CanSet() {
- dst.Elem().Set(src)
- } else if dst.CanSet() {
- dst.Set(src)
- }
- } else {
- e := src.Type().Elem()
- if dst.CanSet() && !src.IsNil() {
- if _, ok := src.Interface().(*time.Time); !ok {
- dst.Set(reflect.New(e))
- } else {
- tempValue := reflect.New(e)
- tempValue.Elem().Set(src.Elem())
- // Sets time.Time's unexported values
- dst.Set(tempValue)
- }
- }
- if src.Elem().IsValid() {
- // Keep the current root state since the depth hasn't changed
- rcopy(dst.Elem(), src.Elem(), root)
- }
- }
- case reflect.Struct:
- t := dst.Type()
- for i := 0; i < t.NumField(); i++ {
- name := t.Field(i).Name
- srcVal := src.FieldByName(name)
- dstVal := dst.FieldByName(name)
- if srcVal.IsValid() && dstVal.CanSet() {
- rcopy(dstVal, srcVal, false)
- }
- }
- case reflect.Slice:
- if src.IsNil() {
- break
- }
-
- s := reflect.MakeSlice(src.Type(), src.Len(), src.Cap())
- dst.Set(s)
- for i := 0; i < src.Len(); i++ {
- rcopy(dst.Index(i), src.Index(i), false)
- }
- case reflect.Map:
- if src.IsNil() {
- break
- }
-
- s := reflect.MakeMap(src.Type())
- dst.Set(s)
- for _, k := range src.MapKeys() {
- v := src.MapIndex(k)
- v2 := reflect.New(v.Type()).Elem()
- rcopy(v2, v, false)
- dst.SetMapIndex(k, v2)
- }
- default:
- // Assign the value if possible. If its not assignable, the value would
- // need to be converted and the impact of that may be unexpected, or is
- // not compatible with the dst type.
- if src.Type().AssignableTo(dst.Type()) {
- dst.Set(src)
- }
- }
-}