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update requiredFlagsErr interface, errRequiredFlags struct and associated functions to handle map

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This commit is contained in:
Aaron Berns 2019-08-20 10:39:55 -04:00
parent addd467e5b
commit ed4ac1876d
1 changed files with 18 additions and 7 deletions
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25
context.go
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@ -289,23 +289,34 @@ func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
type requiredFlagsErr interface {
error
getMissingFlags() []string
getMissingFlags() map[string]bool
}
type errRequiredFlags struct {
missingFlags []string
missingFlags map[string]bool
}
func (e *errRequiredFlags) Error() string {
numberOfMissingFlags := len(e.missingFlags)
if numberOfMissingFlags == 1 {
return fmt.Sprintf("Required flag %q not set", e.missingFlags[0])
var missingFlagNames []string
var missingFlagNamesReqErr []string
for k, v := range e.missingFlags {
if v == false {
missingFlagNames = append(missingFlagNames, k)
} else {
missingFlagNamesReqErr = append(missingFlagNamesReqErr, k)
}
joinedMissingFlags := strings.Join(e.missingFlags, ", ")
}
numberOfMissingFlags := len(missingFlagNames)
if numberOfMissingFlags == 1 {
return fmt.Sprintf("Required flag %q not set", missingFlagNames[0])
}
joinedMissingFlags := strings.Join(missingFlagNames, ", ")
return fmt.Sprintf("Required flags %q not set", joinedMissingFlags)
}
func (e *errRequiredFlags) getMissingFlags() []string {
func (e *errRequiredFlags) getMissingFlags() map[string]bool {
return e.missingFlags
}