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flag_type_enum.go
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flag_type_enum.go
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// Code generated by go-enum DO NOT EDIT.
// Version:
// Revision:
// Build Date:
// Built By:
package classifier
import (
"database/sql/driver"
"encoding/json"
"errors"
"fmt"
"strings"
)
const (
FlagTypeBool FlagType = "bool"
FlagTypeString FlagType = "string"
FlagTypeInt FlagType = "int"
FlagTypeStringList FlagType = "string_list"
FlagTypeContentTypeList FlagType = "content_type_list"
)
var ErrInvalidFlagType = fmt.Errorf("not a valid FlagType, try [%s]", strings.Join(_FlagTypeNames, ", "))
var _FlagTypeNames = []string{
string(FlagTypeBool),
string(FlagTypeString),
string(FlagTypeInt),
string(FlagTypeStringList),
string(FlagTypeContentTypeList),
}
// FlagTypeNames returns a list of possible string values of FlagType.
func FlagTypeNames() []string {
tmp := make([]string, len(_FlagTypeNames))
copy(tmp, _FlagTypeNames)
return tmp
}
// FlagTypeValues returns a list of the values for FlagType
func FlagTypeValues() []FlagType {
return []FlagType{
FlagTypeBool,
FlagTypeString,
FlagTypeInt,
FlagTypeStringList,
FlagTypeContentTypeList,
}
}
// String implements the Stringer interface.
func (x FlagType) String() string {
return string(x)
}
// IsValid provides a quick way to determine if the typed value is
// part of the allowed enumerated values
func (x FlagType) IsValid() bool {
_, err := ParseFlagType(string(x))
return err == nil
}
var _FlagTypeValue = map[string]FlagType{
"bool": FlagTypeBool,
"string": FlagTypeString,
"int": FlagTypeInt,
"string_list": FlagTypeStringList,
"content_type_list": FlagTypeContentTypeList,
}
// ParseFlagType attempts to convert a string to a FlagType.
func ParseFlagType(name string) (FlagType, error) {
if x, ok := _FlagTypeValue[name]; ok {
return x, nil
}
// Case insensitive parse, do a separate lookup to prevent unnecessary cost of lowercasing a string if we don't need to.
if x, ok := _FlagTypeValue[strings.ToLower(name)]; ok {
return x, nil
}
return FlagType(""), fmt.Errorf("%s is %w", name, ErrInvalidFlagType)
}
// MarshalText implements the text marshaller method.
func (x FlagType) MarshalText() ([]byte, error) {
return []byte(string(x)), nil
}
// UnmarshalText implements the text unmarshaller method.
func (x *FlagType) UnmarshalText(text []byte) error {
tmp, err := ParseFlagType(string(text))
if err != nil {
return err
}
*x = tmp
return nil
}
var errFlagTypeNilPtr = errors.New("value pointer is nil") // one per type for package clashes
// Scan implements the Scanner interface.
func (x *FlagType) Scan(value interface{}) (err error) {
if value == nil {
*x = FlagType("")
return
}
// A wider range of scannable types.
// driver.Value values at the top of the list for expediency
switch v := value.(type) {
case string:
*x, err = ParseFlagType(v)
case []byte:
*x, err = ParseFlagType(string(v))
case FlagType:
*x = v
case *FlagType:
if v == nil {
return errFlagTypeNilPtr
}
*x = *v
case *string:
if v == nil {
return errFlagTypeNilPtr
}
*x, err = ParseFlagType(*v)
default:
return errors.New("invalid type for FlagType")
}
return
}
// Value implements the driver Valuer interface.
func (x FlagType) Value() (driver.Value, error) {
return x.String(), nil
}
type NullFlagType struct {
FlagType FlagType
Valid bool
Set bool
}
func NewNullFlagType(val interface{}) (x NullFlagType) {
err := x.Scan(val) // yes, we ignore this error, it will just be an invalid value.
_ = err // make any errcheck linters happy
return
}
// Scan implements the Scanner interface.
func (x *NullFlagType) Scan(value interface{}) (err error) {
if value == nil {
x.FlagType, x.Valid = FlagType(""), false
return
}
err = x.FlagType.Scan(value)
x.Valid = (err == nil)
return
}
// Value implements the driver Valuer interface.
func (x NullFlagType) Value() (driver.Value, error) {
if !x.Valid {
return nil, nil
}
return x.FlagType.String(), nil
}
// MarshalJSON correctly serializes a NullFlagType to JSON.
func (n NullFlagType) MarshalJSON() ([]byte, error) {
const nullStr = "null"
if n.Valid {
return json.Marshal(n.FlagType)
}
return []byte(nullStr), nil
}
// UnmarshalJSON correctly deserializes a NullFlagType from JSON.
func (n *NullFlagType) UnmarshalJSON(b []byte) error {
n.Set = true
var x interface{}
err := json.Unmarshal(b, &x)
if err != nil {
return err
}
err = n.Scan(x)
return err
}