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gitea/vendor/github.com/json-iterator/go/reflect_struct_encoder.go

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Add a storage layer for attachments (#11387) * Add a storage layer for attachments * Fix some bug * fix test * Fix copyright head and lint * Fix bug * Add setting for minio and flags for migrate-storage * Add documents * fix lint * Add test for minio store type on attachments * fix test * fix test * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Add warning when storage migrated successfully * Fix drone * fix test * rebase * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * remove log on xorm * Fi download bug * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * Add URL function to serve attachments directly from S3/Minio * Add ability to enable/disable redirection in attachment configuration * Fix typo * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * don't change unrelated files * Fix lint * Fix build * update go.mod and go.sum * Use github.com/minio/minio-go/v6 * Remove unused function * Upgrade minio to v7 and some other improvements * fix lint * Fix go mod Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: Tyler <tystuyfzand@gmail.com>
2020-08-18 00:23:45 -04:00
package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"reflect"
"unsafe"
)
func encoderOfStruct(ctx *ctx, typ reflect2.Type) ValEncoder {
type bindingTo struct {
binding *Binding
toName string
ignored bool
}
orderedBindings := []*bindingTo{}
structDescriptor := describeStruct(ctx, typ)
for _, binding := range structDescriptor.Fields {
for _, toName := range binding.ToNames {
new := &bindingTo{
binding: binding,
toName: toName,
}
for _, old := range orderedBindings {
if old.toName != toName {
continue
}
old.ignored, new.ignored = resolveConflictBinding(ctx.frozenConfig, old.binding, new.binding)
}
orderedBindings = append(orderedBindings, new)
}
}
if len(orderedBindings) == 0 {
return &emptyStructEncoder{}
}
finalOrderedFields := []structFieldTo{}
for _, bindingTo := range orderedBindings {
if !bindingTo.ignored {
finalOrderedFields = append(finalOrderedFields, structFieldTo{
encoder: bindingTo.binding.Encoder.(*structFieldEncoder),
toName: bindingTo.toName,
})
}
}
return &structEncoder{typ, finalOrderedFields}
}
func createCheckIsEmpty(ctx *ctx, typ reflect2.Type) checkIsEmpty {
encoder := createEncoderOfNative(ctx, typ)
if encoder != nil {
return encoder
}
kind := typ.Kind()
switch kind {
case reflect.Interface:
return &dynamicEncoder{typ}
case reflect.Struct:
return &structEncoder{typ: typ}
case reflect.Array:
return &arrayEncoder{}
case reflect.Slice:
return &sliceEncoder{}
case reflect.Map:
return encoderOfMap(ctx, typ)
case reflect.Ptr:
return &OptionalEncoder{}
default:
return &lazyErrorEncoder{err: fmt.Errorf("unsupported type: %v", typ)}
}
}
func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) {
newTagged := new.Field.Tag().Get(cfg.getTagKey()) != ""
oldTagged := old.Field.Tag().Get(cfg.getTagKey()) != ""
if newTagged {
if oldTagged {
if len(old.levels) > len(new.levels) {
return true, false
} else if len(new.levels) > len(old.levels) {
return false, true
} else {
return true, true
}
} else {
return true, false
}
} else {
if oldTagged {
return true, false
}
if len(old.levels) > len(new.levels) {
return true, false
} else if len(new.levels) > len(old.levels) {
return false, true
} else {
return true, true
}
}
}
type structFieldEncoder struct {
field reflect2.StructField
fieldEncoder ValEncoder
omitempty bool
}
func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
fieldPtr := encoder.field.UnsafeGet(ptr)
encoder.fieldEncoder.Encode(fieldPtr, stream)
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%s: %s", encoder.field.Name(), stream.Error.Error())
}
}
func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool {
fieldPtr := encoder.field.UnsafeGet(ptr)
return encoder.fieldEncoder.IsEmpty(fieldPtr)
}
func (encoder *structFieldEncoder) IsEmbeddedPtrNil(ptr unsafe.Pointer) bool {
isEmbeddedPtrNil, converted := encoder.fieldEncoder.(IsEmbeddedPtrNil)
if !converted {
return false
}
fieldPtr := encoder.field.UnsafeGet(ptr)
return isEmbeddedPtrNil.IsEmbeddedPtrNil(fieldPtr)
}
type IsEmbeddedPtrNil interface {
IsEmbeddedPtrNil(ptr unsafe.Pointer) bool
}
type structEncoder struct {
typ reflect2.Type
fields []structFieldTo
}
type structFieldTo struct {
encoder *structFieldEncoder
toName string
}
func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteObjectStart()
isNotFirst := false
for _, field := range encoder.fields {
if field.encoder.omitempty && field.encoder.IsEmpty(ptr) {
continue
}
if field.encoder.IsEmbeddedPtrNil(ptr) {
continue
}
if isNotFirst {
stream.WriteMore()
}
stream.WriteObjectField(field.toName)
field.encoder.Encode(ptr, stream)
isNotFirst = true
}
stream.WriteObjectEnd()
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v.%s", encoder.typ, stream.Error.Error())
}
}
func (encoder *structEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type emptyStructEncoder struct {
}
func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteEmptyObject()
}
func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type stringModeNumberEncoder struct {
elemEncoder ValEncoder
}
func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.writeByte('"')
encoder.elemEncoder.Encode(ptr, stream)
stream.writeByte('"')
}
func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}
type stringModeStringEncoder struct {
elemEncoder ValEncoder
cfg *frozenConfig
}
func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
tempStream := encoder.cfg.BorrowStream(nil)
tempStream.Attachment = stream.Attachment
defer encoder.cfg.ReturnStream(tempStream)
encoder.elemEncoder.Encode(ptr, tempStream)
stream.WriteString(string(tempStream.Buffer()))
}
func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}