reflectx

Documentation

Index

• func ForEachField(o interface{}, excludePrivateField bool, f FieldAcceptor) error
• func ForEachFieldV2(t reflect.Type, v reflect.Value, excludePrivateField bool, f FieldAcceptor) error
• func Id(c any) string
• func Interfaces2Values(o []any) []reflect.Value
• func IsImplement(instance any, _interface any) bool
• func IsTypeImplement(typ reflect.Type, _interface any) bool
• func New(t reflect.Type) reflect.Value
• func Set(dst, src reflect.Value)
• func SetAnyValueFromString(t reflect.Type, value reflect.Value, val string, itps ...Interceptor) error
• func SetValue(value reflect.Value, setter func(a any) error) error
• func TryCallMethod(b interface{}, methodName string, args ...any) []reflect.Value
• func TypeId(p reflect.Type) string
• func Values2Interfaces(values []reflect.Value) []any
• func WalkField(o interface{}, f FieldWalkAcceptor) error
• func WalkFieldV2(t reflect.Type, v reflect.Value, f FieldWalkAcceptor) error
• func ZeroValue(p reflect.Type) any
• type FieldAcceptor
• type FieldWalkAcceptor
• type Interceptor
• type Node
  • func (n *Node) Path() []*Node
• type SetValueHandler

Functions

func ForEachField

func ForEachField(o interface{}, excludePrivateField bool, f FieldAcceptor) error

func ForEachFieldV2

func ForEachFieldV2(t reflect.Type, v reflect.Value, excludePrivateField bool, f FieldAcceptor) error

func Id

func Id(c any) string

func Interfaces2Values

func Interfaces2Values(o []any) []reflect.Value

func IsImplement

func IsImplement(instance any, _interface any) bool

func IsTypeImplement

func IsTypeImplement(typ reflect.Type, _interface any) bool

func New

func New(t reflect.Type) reflect.Value

func Set

func Set(dst, src reflect.Value)

func SetAnyValueFromString

func SetAnyValueFromString(t reflect.Type, value reflect.Value, val string, itps ...Interceptor) error

func SetValue

func SetValue(value reflect.Value, setter func(a any) error) error

func TryCallMethod

func TryCallMethod(b interface{}, methodName string, args ...any) []reflect.Value

func TypeId

func TypeId(p reflect.Type) string

func Values2Interfaces

func Values2Interfaces(values []reflect.Value) []any

func WalkField

func WalkField(o interface{}, f FieldWalkAcceptor) error

WalkField walk the struct field with DFS, and break when meeting the nil pointer value, can be checked by value.Elem().InValid()

func WalkFieldV2

func WalkFieldV2(t reflect.Type, v reflect.Value, f FieldWalkAcceptor) error

func ZeroValue

func ZeroValue(p reflect.Type) any

Types

type FieldAcceptor

type FieldAcceptor func(field reflect.StructField, value reflect.Value) error

type FieldWalkAcceptor

type FieldWalkAcceptor func(parent *Node, field reflect.StructField, value reflect.Value) error

type Interceptor

type Interceptor map[reflect.Kind]SetValueHandler

type Node

type Node struct {
	Parent *Node
	Field  reflect.StructField
	Value  reflect.Value
}

func (*Node) Path

func (n *Node) Path() []*Node

type SetValueHandler

type SetValueHandler func(reflect.Type, reflect.Value, string) error

var JsonUnmarshallHandler SetValueHandler = func(r reflect.Type, v reflect.Value, s string) error {
	return SetValue(v, func(a any) error {
		err := json.Unmarshal([]byte(s), a)
		if err != nil {
			return errors.Wrapf(err, "unmarshall json %s to type '%s' failed", s, r.String())
		}
		return nil
	})
}