fiber/internal/bind/compile.go

54 lines
1.3 KiB
Go

package bind
import (
"encoding"
"errors"
"reflect"
)
type TextDecoder interface {
UnmarshalString(s string, fieldValue reflect.Value) error
}
var textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
func CompileTextDecoder(rt reflect.Type) (TextDecoder, error) {
// encoding.TextUnmarshaler
if reflect.PtrTo(rt).Implements(textUnmarshalerType) {
return &textUnmarshalEncoder{fieldType: rt}, nil
}
switch rt.Kind() {
case reflect.Bool:
return &boolDecoder{}, nil
case reflect.Uint8:
return &uintDecoder{bitSize: 8}, nil
case reflect.Uint16:
return &uintDecoder{bitSize: 16}, nil
case reflect.Uint32:
return &uintDecoder{bitSize: 32}, nil
case reflect.Uint64:
return &uintDecoder{bitSize: 64}, nil
case reflect.Uint:
return &uintDecoder{}, nil
case reflect.Int8:
return &intDecoder{bitSize: 8}, nil
case reflect.Int16:
return &intDecoder{bitSize: 16}, nil
case reflect.Int32:
return &intDecoder{bitSize: 32}, nil
case reflect.Int64:
return &intDecoder{bitSize: 64}, nil
case reflect.Int:
return &intDecoder{}, nil
case reflect.String:
return &stringDecoder{}, nil
case reflect.Float32:
return &floatDecoder{bitSize: 32}, nil
case reflect.Float64:
return &floatDecoder{bitSize: 64}, nil
}
return nil, errors.New("unsupported type " + rt.String())
}