github.com/keysonZZZ/kmg@v0.0.0-20151121023212-05317bfd7d39/kmgType/ArrayType.go (about)

     1  package kmgType
     2  
     3  import (
     4  	"fmt"
     5  	"reflect"
     6  )
     7  
     8  //path -> array index(number)
     9  type ArrayType struct {
    10  	reflectTypeGetterImp
    11  	getElemByStringEditorabler
    12  	elemType KmgType
    13  }
    14  
    15  func (t *ArrayType) init() (err error) {
    16  	if t.elemType != nil {
    17  		return
    18  	}
    19  	t.elemType, err = TypeOf(t.GetReflectType().Elem())
    20  	return
    21  }
    22  func (t *ArrayType) GetElemByString(v reflect.Value, k string) (ev reflect.Value, et KmgType, err error) {
    23  	if err = t.init(); err != nil {
    24  		return
    25  	}
    26  	et = t.elemType
    27  	ev, err = arrayGetSubValueByString(v, k)
    28  	if err != nil {
    29  		return
    30  	}
    31  	return
    32  }
    33  
    34  func (t *ArrayType) DeleteByPath(v *reflect.Value, path Path) (err error) {
    35  	if len(path) > 1 {
    36  		return passThougthDeleteByPath(t, v, path)
    37  	}
    38  	return fmt.Errorf("can not delete from array, path:%s", path)
    39  }