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author | 2024-11-25 15:42:37 +0000 | |
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committer | 2024-11-25 15:42:37 +0000 | |
commit | 3fceb5fc1a83a6ba3ca3c314eef50f0b45cd6009 (patch) | |
tree | d9fd78a82ec2352aad47d50cd9176e150f600b07 /vendor/github.com/wk8/go-ordered-map/v2/json.go | |
parent | [bugfix] notification types missing from link header (#3571) (diff) | |
download | gotosocial-3fceb5fc1a83a6ba3ca3c314eef50f0b45cd6009.tar.xz |
bumps uptrace/bun dependencies to v1.2.6 (#3569)
Diffstat (limited to 'vendor/github.com/wk8/go-ordered-map/v2/json.go')
-rw-r--r-- | vendor/github.com/wk8/go-ordered-map/v2/json.go | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/vendor/github.com/wk8/go-ordered-map/v2/json.go b/vendor/github.com/wk8/go-ordered-map/v2/json.go new file mode 100644 index 000000000..53f176a05 --- /dev/null +++ b/vendor/github.com/wk8/go-ordered-map/v2/json.go @@ -0,0 +1,182 @@ +package orderedmap + +import ( + "bytes" + "encoding" + "encoding/json" + "fmt" + "reflect" + "unicode/utf8" + + "github.com/buger/jsonparser" + "github.com/mailru/easyjson/jwriter" +) + +var ( + _ json.Marshaler = &OrderedMap[int, any]{} + _ json.Unmarshaler = &OrderedMap[int, any]{} +) + +// MarshalJSON implements the json.Marshaler interface. +func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error) { //nolint:funlen + if om == nil || om.list == nil { + return []byte("null"), nil + } + + writer := jwriter.Writer{} + writer.RawByte('{') + + for pair, firstIteration := om.Oldest(), true; pair != nil; pair = pair.Next() { + if firstIteration { + firstIteration = false + } else { + writer.RawByte(',') + } + + switch key := any(pair.Key).(type) { + case string: + writer.String(key) + case encoding.TextMarshaler: + writer.RawByte('"') + writer.Raw(key.MarshalText()) + writer.RawByte('"') + case int: + writer.IntStr(key) + case int8: + writer.Int8Str(key) + case int16: + writer.Int16Str(key) + case int32: + writer.Int32Str(key) + case int64: + writer.Int64Str(key) + case uint: + writer.UintStr(key) + case uint8: + writer.Uint8Str(key) + case uint16: + writer.Uint16Str(key) + case uint32: + writer.Uint32Str(key) + case uint64: + writer.Uint64Str(key) + default: + + // this switch takes care of wrapper types around primitive types, such as + // type myType string + switch keyValue := reflect.ValueOf(key); keyValue.Type().Kind() { + case reflect.String: + writer.String(keyValue.String()) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + writer.Int64Str(keyValue.Int()) + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + writer.Uint64Str(keyValue.Uint()) + default: + return nil, fmt.Errorf("unsupported key type: %T", key) + } + } + + writer.RawByte(':') + // the error is checked at the end of the function + writer.Raw(json.Marshal(pair.Value)) + } + + writer.RawByte('}') + + return dumpWriter(&writer) +} + +func dumpWriter(writer *jwriter.Writer) ([]byte, error) { + if writer.Error != nil { + return nil, writer.Error + } + + var buf bytes.Buffer + buf.Grow(writer.Size()) + if _, err := writer.DumpTo(&buf); err != nil { + return nil, err + } + + return buf.Bytes(), nil +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +func (om *OrderedMap[K, V]) UnmarshalJSON(data []byte) error { + if om.list == nil { + om.initialize(0) + } + + return jsonparser.ObjectEach( + data, + func(keyData []byte, valueData []byte, dataType jsonparser.ValueType, offset int) error { + if dataType == jsonparser.String { + // jsonparser removes the enclosing quotes; we need to restore them to make a valid JSON + valueData = data[offset-len(valueData)-2 : offset] + } + + var key K + var value V + + switch typedKey := any(&key).(type) { + case *string: + s, err := decodeUTF8(keyData) + if err != nil { + return err + } + *typedKey = s + case encoding.TextUnmarshaler: + if err := typedKey.UnmarshalText(keyData); err != nil { + return err + } + case *int, *int8, *int16, *int32, *int64, *uint, *uint8, *uint16, *uint32, *uint64: + if err := json.Unmarshal(keyData, typedKey); err != nil { + return err + } + default: + // this switch takes care of wrapper types around primitive types, such as + // type myType string + switch reflect.TypeOf(key).Kind() { + case reflect.String: + s, err := decodeUTF8(keyData) + if err != nil { + return err + } + + convertedKeyData := reflect.ValueOf(s).Convert(reflect.TypeOf(key)) + reflect.ValueOf(&key).Elem().Set(convertedKeyData) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, + reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + if err := json.Unmarshal(keyData, &key); err != nil { + return err + } + default: + return fmt.Errorf("unsupported key type: %T", key) + } + } + + if err := json.Unmarshal(valueData, &value); err != nil { + return err + } + + om.Set(key, value) + return nil + }) +} + +func decodeUTF8(input []byte) (string, error) { + remaining, offset := input, 0 + runes := make([]rune, 0, len(remaining)) + + for len(remaining) > 0 { + r, size := utf8.DecodeRune(remaining) + if r == utf8.RuneError && size <= 1 { + return "", fmt.Errorf("not a valid UTF-8 string (at position %d): %s", offset, string(input)) + } + + runes = append(runes, r) + remaining = remaining[size:] + offset += size + } + + return string(runes), nil +} |