mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-18 19:10:21 +00:00
5a66991bb3
updating the kubernetes release to the latest in main go.mod Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
633 lines
19 KiB
Go
633 lines
19 KiB
Go
// Copyright 2022 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package ext
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"strings"
|
|
"time"
|
|
|
|
"google.golang.org/protobuf/proto"
|
|
"google.golang.org/protobuf/reflect/protoreflect"
|
|
|
|
"github.com/google/cel-go/cel"
|
|
"github.com/google/cel-go/common/types"
|
|
"github.com/google/cel-go/common/types/pb"
|
|
"github.com/google/cel-go/common/types/ref"
|
|
"github.com/google/cel-go/common/types/traits"
|
|
|
|
structpb "google.golang.org/protobuf/types/known/structpb"
|
|
)
|
|
|
|
var (
|
|
nativeObjTraitMask = traits.FieldTesterType | traits.IndexerType
|
|
jsonValueType = reflect.TypeOf(&structpb.Value{})
|
|
jsonStructType = reflect.TypeOf(&structpb.Struct{})
|
|
)
|
|
|
|
// NativeTypes creates a type provider which uses reflect.Type and reflect.Value instances
|
|
// to produce type definitions that can be used within CEL.
|
|
//
|
|
// All struct types in Go are exposed to CEL via their simple package name and struct type name:
|
|
//
|
|
// ```go
|
|
// package identity
|
|
//
|
|
// type Account struct {
|
|
// ID int
|
|
// }
|
|
//
|
|
// ```
|
|
//
|
|
// The type `identity.Account` would be exported to CEL using the same qualified name, e.g.
|
|
// `identity.Account{ID: 1234}` would create a new `Account` instance with the `ID` field
|
|
// populated.
|
|
//
|
|
// Only exported fields are exposed via NativeTypes, and the type-mapping between Go and CEL
|
|
// is as follows:
|
|
//
|
|
// | Go type | CEL type |
|
|
// |-------------------------------------|-----------|
|
|
// | bool | bool |
|
|
// | []byte | bytes |
|
|
// | float32, float64 | double |
|
|
// | int, int8, int16, int32, int64 | int |
|
|
// | string | string |
|
|
// | uint, uint8, uint16, uint32, uint64 | uint |
|
|
// | time.Duration | duration |
|
|
// | time.Time | timestamp |
|
|
// | array, slice | list |
|
|
// | map | map |
|
|
//
|
|
// Please note, if you intend to configure support for proto messages in addition to native
|
|
// types, you will need to provide the protobuf types before the golang native types. The
|
|
// same advice holds if you are using custom type adapters and type providers. The native type
|
|
// provider composes over whichever type adapter and provider is configured in the cel.Env at
|
|
// the time that it is invoked.
|
|
func NativeTypes(refTypes ...any) cel.EnvOption {
|
|
return func(env *cel.Env) (*cel.Env, error) {
|
|
tp, err := newNativeTypeProvider(env.CELTypeAdapter(), env.CELTypeProvider(), refTypes...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
env, err = cel.CustomTypeAdapter(tp)(env)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return cel.CustomTypeProvider(tp)(env)
|
|
}
|
|
}
|
|
|
|
func newNativeTypeProvider(adapter types.Adapter, provider types.Provider, refTypes ...any) (*nativeTypeProvider, error) {
|
|
nativeTypes := make(map[string]*nativeType, len(refTypes))
|
|
for _, refType := range refTypes {
|
|
switch rt := refType.(type) {
|
|
case reflect.Type:
|
|
result, err := newNativeTypes(rt)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for idx := range result {
|
|
nativeTypes[result[idx].TypeName()] = result[idx]
|
|
}
|
|
case reflect.Value:
|
|
result, err := newNativeTypes(rt.Type())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for idx := range result {
|
|
nativeTypes[result[idx].TypeName()] = result[idx]
|
|
}
|
|
default:
|
|
return nil, fmt.Errorf("unsupported native type: %v (%T) must be reflect.Type or reflect.Value", rt, rt)
|
|
}
|
|
}
|
|
return &nativeTypeProvider{
|
|
nativeTypes: nativeTypes,
|
|
baseAdapter: adapter,
|
|
baseProvider: provider,
|
|
}, nil
|
|
}
|
|
|
|
type nativeTypeProvider struct {
|
|
nativeTypes map[string]*nativeType
|
|
baseAdapter types.Adapter
|
|
baseProvider types.Provider
|
|
}
|
|
|
|
// EnumValue proxies to the types.Provider configured at the times the NativeTypes
|
|
// option was configured.
|
|
func (tp *nativeTypeProvider) EnumValue(enumName string) ref.Val {
|
|
return tp.baseProvider.EnumValue(enumName)
|
|
}
|
|
|
|
// FindIdent looks up natives type instances by qualified identifier, and if not found
|
|
// proxies to the composed types.Provider.
|
|
func (tp *nativeTypeProvider) FindIdent(typeName string) (ref.Val, bool) {
|
|
if t, found := tp.nativeTypes[typeName]; found {
|
|
return t, true
|
|
}
|
|
return tp.baseProvider.FindIdent(typeName)
|
|
}
|
|
|
|
// FindStructType looks up the CEL type definition by qualified identifier, and if not found
|
|
// proxies to the composed types.Provider.
|
|
func (tp *nativeTypeProvider) FindStructType(typeName string) (*types.Type, bool) {
|
|
if _, found := tp.nativeTypes[typeName]; found {
|
|
return types.NewTypeTypeWithParam(types.NewObjectType(typeName)), true
|
|
}
|
|
if celType, found := tp.baseProvider.FindStructType(typeName); found {
|
|
return celType, true
|
|
}
|
|
return tp.baseProvider.FindStructType(typeName)
|
|
}
|
|
|
|
// FindStructFieldNames looks up the type definition first from the native types, then from
|
|
// the backing provider type set. If found, a set of field names corresponding to the type
|
|
// will be returned.
|
|
func (tp *nativeTypeProvider) FindStructFieldNames(typeName string) ([]string, bool) {
|
|
if t, found := tp.nativeTypes[typeName]; found {
|
|
fieldCount := t.refType.NumField()
|
|
fields := make([]string, fieldCount)
|
|
for i := 0; i < fieldCount; i++ {
|
|
fields[i] = t.refType.Field(i).Name
|
|
}
|
|
return fields, true
|
|
}
|
|
if celTypeFields, found := tp.baseProvider.FindStructFieldNames(typeName); found {
|
|
return celTypeFields, true
|
|
}
|
|
return tp.baseProvider.FindStructFieldNames(typeName)
|
|
}
|
|
|
|
// FindStructFieldType looks up a native type's field definition, and if the type name is not a native
|
|
// type then proxies to the composed types.Provider
|
|
func (tp *nativeTypeProvider) FindStructFieldType(typeName, fieldName string) (*types.FieldType, bool) {
|
|
t, found := tp.nativeTypes[typeName]
|
|
if !found {
|
|
return tp.baseProvider.FindStructFieldType(typeName, fieldName)
|
|
}
|
|
refField, isDefined := t.hasField(fieldName)
|
|
if !found || !isDefined {
|
|
return nil, false
|
|
}
|
|
celType, ok := convertToCelType(refField.Type)
|
|
if !ok {
|
|
return nil, false
|
|
}
|
|
return &types.FieldType{
|
|
Type: celType,
|
|
IsSet: func(obj any) bool {
|
|
refVal := reflect.Indirect(reflect.ValueOf(obj))
|
|
refField := refVal.FieldByName(fieldName)
|
|
return !refField.IsZero()
|
|
},
|
|
GetFrom: func(obj any) (any, error) {
|
|
refVal := reflect.Indirect(reflect.ValueOf(obj))
|
|
refField := refVal.FieldByName(fieldName)
|
|
return getFieldValue(tp, refField), nil
|
|
},
|
|
}, true
|
|
}
|
|
|
|
// NewValue implements the ref.TypeProvider interface method.
|
|
func (tp *nativeTypeProvider) NewValue(typeName string, fields map[string]ref.Val) ref.Val {
|
|
t, found := tp.nativeTypes[typeName]
|
|
if !found {
|
|
return tp.baseProvider.NewValue(typeName, fields)
|
|
}
|
|
refPtr := reflect.New(t.refType)
|
|
refVal := refPtr.Elem()
|
|
for fieldName, val := range fields {
|
|
refFieldDef, isDefined := t.hasField(fieldName)
|
|
if !isDefined {
|
|
return types.NewErr("no such field: %s", fieldName)
|
|
}
|
|
fieldVal, err := val.ConvertToNative(refFieldDef.Type)
|
|
if err != nil {
|
|
return types.NewErr(err.Error())
|
|
}
|
|
refField := refVal.FieldByIndex(refFieldDef.Index)
|
|
refFieldVal := reflect.ValueOf(fieldVal)
|
|
refField.Set(refFieldVal)
|
|
}
|
|
return tp.NativeToValue(refPtr.Interface())
|
|
}
|
|
|
|
// NewValue adapts native values to CEL values and will proxy to the composed type adapter
|
|
// for non-native types.
|
|
func (tp *nativeTypeProvider) NativeToValue(val any) ref.Val {
|
|
if val == nil {
|
|
return types.NullValue
|
|
}
|
|
if v, ok := val.(ref.Val); ok {
|
|
return v
|
|
}
|
|
rawVal := reflect.ValueOf(val)
|
|
refVal := rawVal
|
|
if refVal.Kind() == reflect.Ptr {
|
|
refVal = reflect.Indirect(refVal)
|
|
}
|
|
// This isn't quite right if you're also supporting proto,
|
|
// but maybe an acceptable limitation.
|
|
switch refVal.Kind() {
|
|
case reflect.Array, reflect.Slice:
|
|
switch val := val.(type) {
|
|
case []byte:
|
|
return tp.baseAdapter.NativeToValue(val)
|
|
default:
|
|
return types.NewDynamicList(tp, val)
|
|
}
|
|
case reflect.Map:
|
|
return types.NewDynamicMap(tp, val)
|
|
case reflect.Struct:
|
|
switch val := val.(type) {
|
|
case proto.Message, *pb.Map, protoreflect.List, protoreflect.Message, protoreflect.Value,
|
|
time.Time:
|
|
return tp.baseAdapter.NativeToValue(val)
|
|
default:
|
|
return newNativeObject(tp, val, rawVal)
|
|
}
|
|
default:
|
|
return tp.baseAdapter.NativeToValue(val)
|
|
}
|
|
}
|
|
|
|
func convertToCelType(refType reflect.Type) (*cel.Type, bool) {
|
|
switch refType.Kind() {
|
|
case reflect.Bool:
|
|
return cel.BoolType, true
|
|
case reflect.Float32, reflect.Float64:
|
|
return cel.DoubleType, true
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
if refType == durationType {
|
|
return cel.DurationType, true
|
|
}
|
|
return cel.IntType, true
|
|
case reflect.String:
|
|
return cel.StringType, true
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
|
|
return cel.UintType, true
|
|
case reflect.Array, reflect.Slice:
|
|
refElem := refType.Elem()
|
|
if refElem == reflect.TypeOf(byte(0)) {
|
|
return cel.BytesType, true
|
|
}
|
|
elemType, ok := convertToCelType(refElem)
|
|
if !ok {
|
|
return nil, false
|
|
}
|
|
return cel.ListType(elemType), true
|
|
case reflect.Map:
|
|
keyType, ok := convertToCelType(refType.Key())
|
|
if !ok {
|
|
return nil, false
|
|
}
|
|
// Ensure the key type is a int, bool, uint, string
|
|
elemType, ok := convertToCelType(refType.Elem())
|
|
if !ok {
|
|
return nil, false
|
|
}
|
|
return cel.MapType(keyType, elemType), true
|
|
case reflect.Struct:
|
|
if refType == timestampType {
|
|
return cel.TimestampType, true
|
|
}
|
|
return cel.ObjectType(
|
|
fmt.Sprintf("%s.%s", simplePkgAlias(refType.PkgPath()), refType.Name()),
|
|
), true
|
|
case reflect.Pointer:
|
|
if refType.Implements(pbMsgInterfaceType) {
|
|
pbMsg := reflect.New(refType.Elem()).Interface().(protoreflect.ProtoMessage)
|
|
return cel.ObjectType(string(pbMsg.ProtoReflect().Descriptor().FullName())), true
|
|
}
|
|
return convertToCelType(refType.Elem())
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
func newNativeObject(adapter types.Adapter, val any, refValue reflect.Value) ref.Val {
|
|
valType, err := newNativeType(refValue.Type())
|
|
if err != nil {
|
|
return types.NewErr(err.Error())
|
|
}
|
|
return &nativeObj{
|
|
Adapter: adapter,
|
|
val: val,
|
|
valType: valType,
|
|
refValue: refValue,
|
|
}
|
|
}
|
|
|
|
type nativeObj struct {
|
|
types.Adapter
|
|
val any
|
|
valType *nativeType
|
|
refValue reflect.Value
|
|
}
|
|
|
|
// ConvertToNative implements the ref.Val interface method.
|
|
//
|
|
// CEL does not have a notion of pointers, so whether a field is a pointer or value
|
|
// is handled as part of this conversion step.
|
|
func (o *nativeObj) ConvertToNative(typeDesc reflect.Type) (any, error) {
|
|
if o.refValue.Type() == typeDesc {
|
|
return o.val, nil
|
|
}
|
|
if o.refValue.Kind() == reflect.Pointer && o.refValue.Type().Elem() == typeDesc {
|
|
return o.refValue.Elem().Interface(), nil
|
|
}
|
|
if typeDesc.Kind() == reflect.Pointer && o.refValue.Type() == typeDesc.Elem() {
|
|
ptr := reflect.New(typeDesc.Elem())
|
|
ptr.Elem().Set(o.refValue)
|
|
return ptr.Interface(), nil
|
|
}
|
|
switch typeDesc {
|
|
case jsonValueType:
|
|
jsonStruct, err := o.ConvertToNative(jsonStructType)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return structpb.NewStructValue(jsonStruct.(*structpb.Struct)), nil
|
|
case jsonStructType:
|
|
refVal := reflect.Indirect(o.refValue)
|
|
refType := refVal.Type()
|
|
fields := make(map[string]*structpb.Value, refVal.NumField())
|
|
for i := 0; i < refVal.NumField(); i++ {
|
|
fieldType := refType.Field(i)
|
|
fieldValue := refVal.Field(i)
|
|
if !fieldValue.IsValid() || fieldValue.IsZero() {
|
|
continue
|
|
}
|
|
fieldCELVal := o.NativeToValue(fieldValue.Interface())
|
|
fieldJSONVal, err := fieldCELVal.ConvertToNative(jsonValueType)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
fields[fieldType.Name] = fieldJSONVal.(*structpb.Value)
|
|
}
|
|
return &structpb.Struct{Fields: fields}, nil
|
|
}
|
|
return nil, fmt.Errorf("type conversion error from '%v' to '%v'", o.Type(), typeDesc)
|
|
}
|
|
|
|
// ConvertToType implements the ref.Val interface method.
|
|
func (o *nativeObj) ConvertToType(typeVal ref.Type) ref.Val {
|
|
switch typeVal {
|
|
case types.TypeType:
|
|
return o.valType
|
|
default:
|
|
if typeVal.TypeName() == o.valType.typeName {
|
|
return o
|
|
}
|
|
}
|
|
return types.NewErr("type conversion error from '%s' to '%s'", o.Type(), typeVal)
|
|
}
|
|
|
|
// Equal implements the ref.Val interface method.
|
|
//
|
|
// Note, that in Golang a pointer to a value is not equal to the value it contains.
|
|
// In CEL pointers and values to which they point are equal.
|
|
func (o *nativeObj) Equal(other ref.Val) ref.Val {
|
|
otherNtv, ok := other.(*nativeObj)
|
|
if !ok {
|
|
return types.False
|
|
}
|
|
val := o.val
|
|
otherVal := otherNtv.val
|
|
refVal := o.refValue
|
|
otherRefVal := otherNtv.refValue
|
|
if refVal.Kind() != otherRefVal.Kind() {
|
|
if refVal.Kind() == reflect.Pointer {
|
|
val = refVal.Elem().Interface()
|
|
} else if otherRefVal.Kind() == reflect.Pointer {
|
|
otherVal = otherRefVal.Elem().Interface()
|
|
}
|
|
}
|
|
return types.Bool(reflect.DeepEqual(val, otherVal))
|
|
}
|
|
|
|
// IsZeroValue indicates whether the contained Golang value is a zero value.
|
|
//
|
|
// Golang largely follows proto3 semantics for zero values.
|
|
func (o *nativeObj) IsZeroValue() bool {
|
|
return reflect.Indirect(o.refValue).IsZero()
|
|
}
|
|
|
|
// IsSet tests whether a field which is defined is set to a non-default value.
|
|
func (o *nativeObj) IsSet(field ref.Val) ref.Val {
|
|
refField, refErr := o.getReflectedField(field)
|
|
if refErr != nil {
|
|
return refErr
|
|
}
|
|
return types.Bool(!refField.IsZero())
|
|
}
|
|
|
|
// Get returns the value fo a field name.
|
|
func (o *nativeObj) Get(field ref.Val) ref.Val {
|
|
refField, refErr := o.getReflectedField(field)
|
|
if refErr != nil {
|
|
return refErr
|
|
}
|
|
return adaptFieldValue(o, refField)
|
|
}
|
|
|
|
func (o *nativeObj) getReflectedField(field ref.Val) (reflect.Value, ref.Val) {
|
|
fieldName, ok := field.(types.String)
|
|
if !ok {
|
|
return reflect.Value{}, types.MaybeNoSuchOverloadErr(field)
|
|
}
|
|
fieldNameStr := string(fieldName)
|
|
refField, isDefined := o.valType.hasField(fieldNameStr)
|
|
if !isDefined {
|
|
return reflect.Value{}, types.NewErr("no such field: %s", fieldName)
|
|
}
|
|
refVal := reflect.Indirect(o.refValue)
|
|
return refVal.FieldByIndex(refField.Index), nil
|
|
}
|
|
|
|
// Type implements the ref.Val interface method.
|
|
func (o *nativeObj) Type() ref.Type {
|
|
return o.valType
|
|
}
|
|
|
|
// Value implements the ref.Val interface method.
|
|
func (o *nativeObj) Value() any {
|
|
return o.val
|
|
}
|
|
|
|
func newNativeTypes(rawType reflect.Type) ([]*nativeType, error) {
|
|
nt, err := newNativeType(rawType)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
result := []*nativeType{nt}
|
|
|
|
alreadySeen := make(map[string]struct{})
|
|
var iterateStructMembers func(reflect.Type)
|
|
iterateStructMembers = func(t reflect.Type) {
|
|
if k := t.Kind(); k == reflect.Pointer || k == reflect.Slice || k == reflect.Array || k == reflect.Map {
|
|
t = t.Elem()
|
|
}
|
|
if t.Kind() != reflect.Struct {
|
|
return
|
|
}
|
|
if _, seen := alreadySeen[t.String()]; seen {
|
|
return
|
|
}
|
|
alreadySeen[t.String()] = struct{}{}
|
|
nt, ntErr := newNativeType(t)
|
|
if ntErr != nil {
|
|
err = ntErr
|
|
return
|
|
}
|
|
result = append(result, nt)
|
|
|
|
for idx := 0; idx < t.NumField(); idx++ {
|
|
iterateStructMembers(t.Field(idx).Type)
|
|
}
|
|
}
|
|
iterateStructMembers(rawType)
|
|
|
|
return result, err
|
|
}
|
|
|
|
func newNativeType(rawType reflect.Type) (*nativeType, error) {
|
|
refType := rawType
|
|
if refType.Kind() == reflect.Pointer {
|
|
refType = refType.Elem()
|
|
}
|
|
if !isValidObjectType(refType) {
|
|
return nil, fmt.Errorf("unsupported reflect.Type %v, must be reflect.Struct", rawType)
|
|
}
|
|
return &nativeType{
|
|
typeName: fmt.Sprintf("%s.%s", simplePkgAlias(refType.PkgPath()), refType.Name()),
|
|
refType: refType,
|
|
}, nil
|
|
}
|
|
|
|
type nativeType struct {
|
|
typeName string
|
|
refType reflect.Type
|
|
}
|
|
|
|
// ConvertToNative implements ref.Val.ConvertToNative.
|
|
func (t *nativeType) ConvertToNative(typeDesc reflect.Type) (any, error) {
|
|
return nil, fmt.Errorf("type conversion error for type to '%v'", typeDesc)
|
|
}
|
|
|
|
// ConvertToType implements ref.Val.ConvertToType.
|
|
func (t *nativeType) ConvertToType(typeVal ref.Type) ref.Val {
|
|
switch typeVal {
|
|
case types.TypeType:
|
|
return types.TypeType
|
|
}
|
|
return types.NewErr("type conversion error from '%s' to '%s'", types.TypeType, typeVal)
|
|
}
|
|
|
|
// Equal returns true of both type names are equal to each other.
|
|
func (t *nativeType) Equal(other ref.Val) ref.Val {
|
|
otherType, ok := other.(ref.Type)
|
|
return types.Bool(ok && t.TypeName() == otherType.TypeName())
|
|
}
|
|
|
|
// HasTrait implements the ref.Type interface method.
|
|
func (t *nativeType) HasTrait(trait int) bool {
|
|
return nativeObjTraitMask&trait == trait
|
|
}
|
|
|
|
// String implements the strings.Stringer interface method.
|
|
func (t *nativeType) String() string {
|
|
return t.typeName
|
|
}
|
|
|
|
// Type implements the ref.Val interface method.
|
|
func (t *nativeType) Type() ref.Type {
|
|
return types.TypeType
|
|
}
|
|
|
|
// TypeName implements the ref.Type interface method.
|
|
func (t *nativeType) TypeName() string {
|
|
return t.typeName
|
|
}
|
|
|
|
// Value implements the ref.Val interface method.
|
|
func (t *nativeType) Value() any {
|
|
return t.typeName
|
|
}
|
|
|
|
// hasField returns whether a field name has a corresponding Golang reflect.StructField
|
|
func (t *nativeType) hasField(fieldName string) (reflect.StructField, bool) {
|
|
f, found := t.refType.FieldByName(fieldName)
|
|
if !found || !f.IsExported() || !isSupportedType(f.Type) {
|
|
return reflect.StructField{}, false
|
|
}
|
|
return f, true
|
|
}
|
|
|
|
func adaptFieldValue(adapter types.Adapter, refField reflect.Value) ref.Val {
|
|
return adapter.NativeToValue(getFieldValue(adapter, refField))
|
|
}
|
|
|
|
func getFieldValue(adapter types.Adapter, refField reflect.Value) any {
|
|
if refField.IsZero() {
|
|
switch refField.Kind() {
|
|
case reflect.Array, reflect.Slice:
|
|
return types.NewDynamicList(adapter, []ref.Val{})
|
|
case reflect.Map:
|
|
return types.NewDynamicMap(adapter, map[ref.Val]ref.Val{})
|
|
case reflect.Struct:
|
|
if refField.Type() == timestampType {
|
|
return types.Timestamp{Time: time.Unix(0, 0)}
|
|
}
|
|
return reflect.New(refField.Type()).Elem().Interface()
|
|
case reflect.Pointer:
|
|
return reflect.New(refField.Type().Elem()).Interface()
|
|
}
|
|
}
|
|
return refField.Interface()
|
|
}
|
|
|
|
func simplePkgAlias(pkgPath string) string {
|
|
paths := strings.Split(pkgPath, "/")
|
|
if len(paths) == 0 {
|
|
return ""
|
|
}
|
|
return paths[len(paths)-1]
|
|
}
|
|
|
|
func isValidObjectType(refType reflect.Type) bool {
|
|
return refType.Kind() == reflect.Struct
|
|
}
|
|
|
|
func isSupportedType(refType reflect.Type) bool {
|
|
switch refType.Kind() {
|
|
case reflect.Chan, reflect.Complex64, reflect.Complex128, reflect.Func, reflect.UnsafePointer, reflect.Uintptr:
|
|
return false
|
|
case reflect.Array, reflect.Slice:
|
|
return isSupportedType(refType.Elem())
|
|
case reflect.Map:
|
|
return isSupportedType(refType.Key()) && isSupportedType(refType.Elem())
|
|
}
|
|
return true
|
|
}
|
|
|
|
var (
|
|
pbMsgInterfaceType = reflect.TypeOf((*protoreflect.ProtoMessage)(nil)).Elem()
|
|
timestampType = reflect.TypeOf(time.Now())
|
|
durationType = reflect.TypeOf(time.Nanosecond)
|
|
)
|