diff options
Diffstat (limited to 'vendor/github.com/mitchellh/mapstructure/decode_hooks.go')
-rw-r--r-- | vendor/github.com/mitchellh/mapstructure/decode_hooks.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/vendor/github.com/mitchellh/mapstructure/decode_hooks.go b/vendor/github.com/mitchellh/mapstructure/decode_hooks.go index 2a727575..1f0abc65 100644 --- a/vendor/github.com/mitchellh/mapstructure/decode_hooks.go +++ b/vendor/github.com/mitchellh/mapstructure/decode_hooks.go @@ -2,6 +2,8 @@ package mapstructure import ( "errors" + "fmt" + "net" "reflect" "strconv" "strings" @@ -115,6 +117,50 @@ func StringToTimeDurationHookFunc() DecodeHookFunc { } } +// StringToIPHookFunc returns a DecodeHookFunc that converts +// strings to net.IP +func StringToIPHookFunc() DecodeHookFunc { + return func( + f reflect.Type, + t reflect.Type, + data interface{}) (interface{}, error) { + if f.Kind() != reflect.String { + return data, nil + } + if t != reflect.TypeOf(net.IP{}) { + return data, nil + } + + // Convert it by parsing + ip := net.ParseIP(data.(string)) + if ip == nil { + return net.IP{}, fmt.Errorf("failed parsing ip %v", data) + } + + return ip, nil + } +} + +// StringToIPNetHookFunc returns a DecodeHookFunc that converts +// strings to net.IPNet +func StringToIPNetHookFunc() DecodeHookFunc { + return func( + f reflect.Type, + t reflect.Type, + data interface{}) (interface{}, error) { + if f.Kind() != reflect.String { + return data, nil + } + if t != reflect.TypeOf(net.IPNet{}) { + return data, nil + } + + // Convert it by parsing + _, net, err := net.ParseCIDR(data.(string)) + return net, err + } +} + // StringToTimeHookFunc returns a DecodeHookFunc that converts // strings to time.Time. func StringToTimeHookFunc(layout string) DecodeHookFunc { |