linsk/qemucli/str_arg.go

54 lines
989 B
Go

package qemucli
import (
"github.com/pkg/errors"
)
type StringArg struct {
key string
value string
}
func MustNewStringArg(key string, value string) *StringArg {
a, err := NewStringArg(key, value)
if err != nil {
panic(err)
}
return a
}
func NewStringArg(key string, value string) (*StringArg, error) {
a := &StringArg{
key: key,
value: value,
}
// Preflight arg key/type check.
err := validateArgKey(a.key, a.ValueType())
if err != nil {
return nil, errors.Wrap(err, "validate arg key")
}
err = validateArgStrValue(a.value)
if err != nil {
return nil, errors.Wrap(err, "validate str value")
}
return a, nil
}
func (a *StringArg) StringKey() string {
return a.key
}
func (a *StringArg) StringValue() string {
// We're not validating anything here because
// we expect that the string value was validated
// at the creation of the StringArg.
return a.value
}
func (a *StringArg) ValueType() ArgAcceptedValue {
return ArgAcceptedValueString
}