github.com/bytedance/sonic@v1.11.7-0.20240517092252-d2edb31b167b/internal/encoder/types.go (about)

     1  /*
     2   * Copyright 2021 ByteDance Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package encoder
    18  
    19  import (
    20      `encoding`
    21      `encoding/json`
    22      `reflect`
    23  )
    24  
    25  var (
    26      byteType                 = reflect.TypeOf(byte(0))
    27      jsonNumberType           = reflect.TypeOf(json.Number(""))
    28      jsonUnsupportedValueType = reflect.TypeOf(new(json.UnsupportedValueError))
    29  )
    30  
    31  var (
    32      errorType                 = reflect.TypeOf((*error)(nil)).Elem()
    33      jsonMarshalerType         = reflect.TypeOf((*json.Marshaler)(nil)).Elem()
    34      encodingTextMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
    35  )
    36  
    37  func isSimpleByte(vt reflect.Type) bool {
    38      if vt.Kind() != byteType.Kind() {
    39          return false
    40      } else {
    41          return !isEitherMarshaler(vt) && !isEitherMarshaler(reflect.PtrTo(vt))
    42      }
    43  }
    44  
    45  func isEitherMarshaler(vt reflect.Type) bool {
    46      return vt.Implements(jsonMarshalerType) || vt.Implements(encodingTextMarshalerType)
    47  }