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uuid.go
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uuid.go
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package scalar
import (
"encoding/hex"
"fmt"
"github.com/apache/arrow/go/v16/arrow"
"github.com/cloudquery/plugin-sdk/v4/types"
"github.com/google/uuid"
)
type UUID struct {
Valid bool
Value uuid.UUID
}
func (s *UUID) IsValid() bool {
return s.Valid
}
func (*UUID) DataType() arrow.DataType {
return types.ExtensionTypes.UUID
}
func (s *UUID) String() string {
if !s.Valid {
return nullValueStr
}
return s.Value.String()
}
func (s *UUID) Equal(rhs Scalar) bool {
if rhs == nil {
return false
}
r, ok := rhs.(*UUID)
if !ok {
return false
}
return s.Valid == r.Valid && s.Value == r.Value
}
func (s *UUID) Get() any {
return s.Value
}
func (s *UUID) Set(src any) error {
if src == nil {
return nil
}
if sc, ok := src.(Scalar); ok {
if !sc.IsValid() {
s.Valid = false
return nil
}
return s.Set(sc.Get())
}
switch value := src.(type) {
case fmt.Stringer:
value2 := value.String()
return s.Set(value2)
case [16]byte:
s.Value = uuid.UUID(value)
case *[]byte:
if value == nil {
s.Valid = false
return nil
}
return s.Set(*value)
case []byte:
if value == nil {
s.Valid = false
return nil
}
if len(value) != 16 {
return &ValidationError{Type: types.ExtensionTypes.UUID, Msg: "[]byte must be 16 bytes to convert to UUID", Value: value}
}
copy(s.Value[:], value)
case string:
uuidVal, err := parseUUID(value)
if err != nil {
return err
}
s.Value = uuidVal
case *string:
if value == nil {
s.Valid = false
return nil
}
return s.Set(*value)
default:
if originalSrc, ok := underlyingUUIDType(src); ok {
return s.Set(originalSrc)
}
return &ValidationError{Type: types.ExtensionTypes.UUID, Msg: noConversion, Value: value}
}
s.Valid = true
return nil
}
// parseUUID converts a string UUID in standard form to a byte array.
func parseUUID(src string) (dst [16]byte, err error) {
switch len(src) {
case 36:
src = src[0:8] + src[9:13] + src[14:18] + src[19:23] + src[24:]
case 32:
// dashes already stripped, assume valid
default:
// assume invalid.
return dst, &ValidationError{Type: types.ExtensionTypes.UUID, Msg: fmt.Sprintf("invalid %d UUID length", len(src)), Value: src}
}
buf, err := hex.DecodeString(src)
if err != nil {
return dst, err
}
copy(dst[:], buf)
return dst, err
}