/
structs_r.go
81 lines (66 loc) · 1.49 KB
/
structs_r.go
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package internal
import (
"fmt"
"reflect"
)
type rStruct struct {
reflect.Type
}
func NewStructFromReflect(typ reflect.Type) Struct {
if typ.Kind() != reflect.Struct {
panic(fmt.Sprintf("goen: only accepts struct type, but got %q", typ))
}
return &rStruct{typ}
}
func (rstrct *rStruct) Fields() (fields []StructField) {
for i := 0; i < rstrct.Type.NumField(); i++ {
f := rstrct.Type.Field(i)
if f.Anonymous {
embeddedTyp := f.Type
for embeddedTyp.Kind() == reflect.Ptr {
embeddedTyp = embeddedTyp.Elem()
}
// only support embedded struct
if embeddedTyp.Kind() == reflect.Struct {
embedded := NewStructFromReflect(embeddedTyp)
fields = append(fields, embedded.Fields()...)
}
} else {
fields = append(fields, &rStructField{f})
}
}
return fields
}
func (rstrct *rStruct) Value() interface{} {
return rstrct.Type
}
type rStructField struct {
sf reflect.StructField
}
func (rsf *rStructField) Name() string {
return rsf.sf.Name
}
func (rsf *rStructField) Type() Type {
return &rType{rsf.sf.Type}
}
func (rsf *rStructField) Tag() reflect.StructTag {
return rsf.sf.Tag
}
func (rsf *rStructField) Value() interface{} {
return rsf.sf
}
type rType struct {
reflect.Type
}
func (rt *rType) Elem() Type {
return &rType{rt.Type.Elem()}
}
func (rt *rType) NewStruct() Struct {
if rt.Kind() != reflect.Struct {
panic("goen: NewStruct is only with a struct type")
}
return NewStructFromReflect(rt.Type)
}
func (rt *rType) Value() interface{} {
return rt.Type
}