/
string_list.go
63 lines (51 loc) · 1.05 KB
/
string_list.go
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package config
import (
"fmt"
"strings"
flag "github.com/spf13/pflag"
"go.starlark.net/starlark"
"github.com/tilt-dev/tilt/internal/tiltfile/value"
)
type stringList struct {
Values []string
isSet bool
}
var _ configValue = &stringList{}
var _ flag.Value = &stringList{}
func (s *stringList) starlark() starlark.Value {
return value.StringSliceToList(s.Values)
}
func (s *stringList) IsSet() bool {
return s.isSet
}
func (s *stringList) Type() string {
return "list[string]"
}
func (s *stringList) setFromInterface(i interface{}) error {
if i == nil {
s.Values = nil
return nil
}
is, ok := i.([]interface{})
if !ok {
return fmt.Errorf("expected array")
}
s.Values = nil
for _, elem := range is {
str, ok := elem.(string)
if !ok {
return fmt.Errorf("expected string, got %T", elem)
}
s.Values = append(s.Values, str)
}
s.isSet = true
return nil
}
func (s *stringList) Set(v string) error {
s.Values = append(s.Values, v)
s.isSet = true
return nil
}
func (s *stringList) String() string {
return strings.Join(s.Values, ",")
}