Reland: Refactor current GAE abstraction library to be free of the SDK*

go/src/infra/gae/libs/wrapper/memory/internal/goon/goon.go

Index: go/src/infra/gae/libs/wrapper/memory/internal/goon/goon.go
diff --git a/go/src/infra/gae/libs/wrapper/memory/internal/goon/goon.go b/go/src/infra/gae/libs/wrapper/memory/internal/goon/goon.go
deleted file mode 100644
index 7ddee8b654848279c1fe63ab0fb706e25173cca8..0000000000000000000000000000000000000000
--- a/go/src/infra/gae/libs/wrapper/memory/internal/goon/goon.go
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (c) 2012 Matt Jibson <matt.jibson@gmail.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package goon
-
-import (
-	"fmt"
-	"reflect"
-	"strings"
-
-	"appengine/datastore"
-
-	"github.com/mjibson/goon"
-)
-
-// SetStructKey assigns a datastore.Key into a goon-style struct.
-// Copied from goon since it's internal and we need to populate the completed
-// key after a Datastore.Put()
-func SetStructKey(src interface{}, key *datastore.Key, knr goon.KindNameResolver) error {
-	v := reflect.ValueOf(src)
-	t := v.Type()
-	k := t.Kind()
-
-	if k != reflect.Ptr {
-		return fmt.Errorf("goon: Expected pointer to struct, got instead: %v", k)
-	}
-
-	v = reflect.Indirect(v)
-	t = v.Type()
-	k = t.Kind()
-
-	if k != reflect.Struct {
-		return fmt.Errorf(fmt.Sprintf("goon: Expected struct, got instead: %v", k))
-	}
-
-	idSet := false
-	kindSet := false
-	parentSet := false
-	for i := 0; i < v.NumField(); i++ {
-		tf := t.Field(i)
-		vf := v.Field(i)
-
-		if !vf.CanSet() {
-			continue
-		}
-
-		tag := tf.Tag.Get("goon")
-		tagValues := strings.Split(tag, ",")
-		if len(tagValues) > 0 {
-			tagValue := tagValues[0]
-			if tagValue == "id" {
-				if idSet {
-					return fmt.Errorf("goon: Only one field may be marked id")
-				}
-
-				switch vf.Kind() {
-				case reflect.Int64:
-					vf.SetInt(key.IntID())
-					idSet = true
-				case reflect.String:
-					vf.SetString(key.StringID())
-					idSet = true
-				}
-			} else if tagValue == "kind" {
-				if kindSet {
-					return fmt.Errorf("goon: Only one field may be marked kind")
-				}
-				if vf.Kind() == reflect.String {
-					if (len(tagValues) <= 1 || key.Kind() != tagValues[1]) && knr(src) != key.Kind() {
-						vf.Set(reflect.ValueOf(key.Kind()))
-					}
-					kindSet = true
-				}
-			} else if tagValue == "parent" {
-				if parentSet {
-					return fmt.Errorf("goon: Only one field may be marked parent")
-				}
-				if vf.Type() == reflect.TypeOf(&datastore.Key{}) {
-					vf.Set(reflect.ValueOf(key.Parent()))
-					parentSet = true
-				}
-			}
-		}
-	}
-
-	if !idSet {
-		return fmt.Errorf("goon: Could not set id field")
-	}
-
-	return nil
-}