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mirror of https://github.com/json-iterator/go.git synced 2024-11-24 08:22:14 +02:00

#61 remove internal buffer from objectAny

This commit is contained in:
Tao Wen 2017-06-18 23:09:30 +08:00
parent 15c92d48df
commit 02cf6a73cc
3 changed files with 85 additions and 90 deletions

View File

@ -179,12 +179,11 @@ func (any *objectLazyAny) GetInterface() interface{} {
type objectAny struct {
baseAny
err error
cache map[string]Any
val reflect.Value
}
func wrapStruct(val interface{}) *objectAny {
return &objectAny{baseAny{}, nil, nil, reflect.ValueOf(val)}
return &objectAny{baseAny{}, nil, reflect.ValueOf(val)}
}
func (any *objectAny) ValueType() ValueType {
@ -194,51 +193,51 @@ func (any *objectAny) ValueType() ValueType {
func (any *objectAny) Parse() *Iterator {
return nil
}
func (any *objectAny) fillCacheUntil(target string) Any {
if any.cache == nil {
any.cache = map[string]Any{}
}
element, found := any.cache[target]
if found {
return element
}
for i := len(any.cache); i < any.val.NumField(); i++ {
field := any.val.Field(i)
fieldName := any.val.Type().Field(i).Name
var element Any
if field.CanInterface() {
element = Wrap(field.Interface())
} else {
element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", fieldName, any.cache)}
}
any.cache[fieldName] = element
if fieldName == target {
return element
}
}
return nil
}
func (any *objectAny) fillCache() {
if any.cache == nil {
any.cache = map[string]Any{}
}
if len(any.cache) == any.val.NumField() {
return
}
for i := 0; i < any.val.NumField(); i++ {
field := any.val.Field(i)
fieldName := any.val.Type().Field(i).Name
var element Any
if field.CanInterface() {
element = Wrap(field.Interface())
} else {
element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", fieldName, any.cache)}
}
any.cache[fieldName] = element
}
}
//
//func (any *objectAny) fillCacheUntil(target string) Any {
// if any.cache == nil {
// any.cache = map[string]Any{}
// }
// element, found := any.cache[target]
// if found {
// return element
// }
// for i := len(any.cache); i < any.val.NumField(); i++ {
// field := any.val.Field(i)
// fieldName := any.val.Type().Field(i).Name
// var element Any
// if field.CanInterface() {
// element = Wrap(field.Interface())
// } else {
// element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", fieldName, any.cache)}
// }
// any.cache[fieldName] = element
// if fieldName == target {
// return element
// }
// }
// return nil
//}
//
//func (any *objectAny) fillCache() {
// if any.cache == nil {
// any.cache = map[string]Any{}
// }
// if len(any.cache) == any.val.NumField() {
// return
// }
// for i := 0; i < any.val.NumField(); i++ {
// field := any.val.Field(i)
// fieldName := any.val.Type().Field(i).Name
// var element Any
// if field.CanInterface() {
// element = Wrap(field.Interface())
// } else {
// element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", fieldName, any.cache)}
// }
// any.cache[fieldName] = element
// }
//}
func (any *objectAny) LastError() error {
return any.err
@ -305,85 +304,72 @@ func (any *objectAny) ToFloat64() float64 {
}
func (any *objectAny) ToString() string {
if len(any.cache) == 0 {
str, err := MarshalToString(any.val.Interface())
any.err = err
return str
} else {
any.fillCache()
str, err := MarshalToString(any.cache)
any.err = err
return str
}
str, err := MarshalToString(any.val.Interface())
any.err = err
return str
}
func (any *objectAny) Get(path ...interface{}) Any {
if len(path) == 0 {
return any
}
var element Any
switch firstPath := path[0].(type) {
case string:
element = any.fillCacheUntil(firstPath)
if element == nil {
element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", firstPath, any.cache)}
field := any.val.FieldByName(firstPath)
if !field.IsValid() {
return newInvalidAny(path)
}
return Wrap(field.Interface())
case int32:
if '*' == firstPath {
any.fillCache()
mappedAll := map[string]Any{}
for key, value := range any.cache {
mapped := value.Get(path[1:]...)
if mapped.ValueType() != Invalid {
mappedAll[key] = mapped
for i := 0; i < any.val.NumField(); i++ {
field := any.val.Field(i)
if field.CanInterface() {
mapped := Wrap(field.Interface()).Get(path[1:]...)
if mapped.ValueType() != Invalid {
mappedAll[any.val.Type().Field(i).Name] = mapped
}
}
}
return wrapMap(mappedAll)
} else {
element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", firstPath, any.cache)}
return newInvalidAny(path)
}
default:
element = &invalidAny{baseAny{}, fmt.Errorf("%v not found in %v", firstPath, any.cache)}
}
if len(path) == 1 {
return element
} else {
return element.Get(path[1:]...)
return newInvalidAny(path)
}
}
func (any *objectAny) Keys() []string {
any.fillCache()
keys := make([]string, 0, len(any.cache))
for key := range any.cache {
keys = append(keys, key)
keys := make([]string, 0, any.val.NumField())
for i := 0; i < any.val.NumField(); i++ {
keys = append(keys, any.val.Type().Field(i).Name)
}
return keys
}
func (any *objectAny) Size() int {
any.fillCache()
return len(any.cache)
return any.val.NumField()
}
func (any *objectAny) GetObject() map[string]Any {
any.fillCache()
return any.cache
object := map[string]Any{}
for i := 0; i < any.val.NumField(); i++ {
field := any.val.Field(i)
if field.CanInterface() {
object[any.val.Type().Field(i).Name] = Wrap(field.Interface())
}
}
return object
}
func (any *objectAny) WriteTo(stream *Stream) {
if len(any.cache) == 0 {
// nothing has been parsed yet
stream.WriteVal(any.val)
} else {
any.fillCache()
stream.WriteVal(any.cache)
}
stream.WriteVal(any.val)
}
func (any *objectAny) GetInterface() interface{} {
any.fillCache()
return any.cache
return any.val.Interface()
}
type mapAny struct {

View File

@ -2,6 +2,7 @@ package jsoniter
import (
"strconv"
"fmt"
)
type stringAny struct {
@ -9,6 +10,13 @@ type stringAny struct {
val string
}
func (any *stringAny) Get(path ...interface{}) Any {
if len(path) == 0 {
return any
}
return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)}
}
func (any *stringAny) Parse() *Iterator {
return nil
}

View File

@ -53,6 +53,7 @@ func Test_wrap_object(t *testing.T) {
should.Equal("hello", any.Get("Field1").ToString())
any = Wrap(TestObject{"hello", "world"})
should.Equal(2, any.Size())
should.Equal(`{"Field1":"hello"}`, any.Get('*').ToString())
}
func Test_any_within_struct(t *testing.T) {