/
struct_encoder.go
61 lines (55 loc) · 1.36 KB
/
struct_encoder.go
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package encoder
import (
"reflect"
)
type StructEncoder struct {
intEncoder *IntEncoder
stringEncoder *StringEncoder
valueEncoder *ValueEncoder
}
func (s *StructEncoder) Encode(data interface{}, writer IWriter) error {
reflected := reflect.ValueOf(data)
reflectedType := reflected.Type()
numField := reflected.NumField()
if err := s.intEncoder.Encode(numField, writer); err != nil {
return err
}
for i := 0; i < numField; i++ {
field := reflectedType.Field(i)
if err := s.stringEncoder.Encode(field.Name, writer); err != nil {
return err
}
value := reflected.Field(i)
if err := s.valueEncoder.Encode(value.Interface(), writer); err != nil {
return err
}
}
return nil
}
func (s *StructEncoder) Decode(reader IReader) (interface{}, error) {
rawLength, err := s.intEncoder.Decode(reader)
if err != nil {
return nil, err
}
length := rawLength.(int)
result := make(map[string]interface{})
for i := 0; i < length; i++ {
key, err := s.stringEncoder.Decode(reader)
if err != nil {
return nil, err
}
value, err := s.valueEncoder.Decode(reader)
if err != nil {
return nil, err
}
result[key.(string)] = value
}
return result, nil
}
func NewStructEncoder(valueEncoder *ValueEncoder) *StructEncoder {
return &StructEncoder{
intEncoder: NewIntEncoder(),
stringEncoder: NewStringEncoder(),
valueEncoder: valueEncoder,
}
}