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arg_gen.go
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arg_gen.go
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// Code generated by flag-validator; DO NOT EDIT.
package pflagvalidator
import (
flag "github.com/spf13/pflag"
"golang.org/x/exp/slices"
)
// Argument represents non-flag arguments.
type Argument struct {
index int
}
// Arg represents the index'th non-flag arguments.
func Arg(index int) *Argument {
return &Argument{index: index}
}
func (a *Argument) value(fs *flag.FlagSet) string {
return fs.Arg(a.index)
}
func (a *Argument) IsSet() Condition {
return ConditionFunc(func(fs *flag.FlagSet) bool {
return a.value(fs) != ""
})
}
func (a *Argument) isSet(fs *flag.FlagSet) error {
if !a.IsSet().Evaluate(fs) {
return NewError(
getMessage("nth_argument_not_set"),
presetParams(fs),
map[string]any{
"arg_index": a.index,
},
)
}
return nil
}
// Is returns a validation rule that checks if a value is a valid value.
func (a *Argument) Is(is IsFunc) Rule {
return RuleFunc(func(fs *flag.FlagSet) error {
if err := a.isSet(fs); err != nil {
return err
}
if ok := is(a.value(fs)); !ok {
return NewError(
getMessage("Argument_Is"),
presetParams(fs),
map[string]any{
"arg_index": a.index,
},
)
}
return nil
})
}
// In returns a validation rule that checks if a value is in the given list of values.
func (a *Argument) In(values ...string) Rule {
return RuleFunc(func(fs *flag.FlagSet) error {
if err := a.isSet(fs); err != nil {
return err
}
actual := a.value(fs)
ok := slices.Contains(values, actual)
if !ok {
return NewError(
getMessage("Argument_In"),
presetParams(fs),
map[string]any{
"want": values,
"arg_index": a.index,
},
)
}
return nil
})
}