65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package main
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import (
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"encoding"
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"errors"
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"fmt"
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"isle/nebula"
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"isle/toolkit"
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"net/netip"
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"dev.mediocregopher.com/mediocre-go-lib.git/mlog"
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)
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type textUnmarshaler[T any] interface {
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encoding.TextUnmarshaler
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*T
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}
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type textUnmarshalerFlag[T encoding.TextMarshaler, P textUnmarshaler[T]] struct {
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V T
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}
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func (f *textUnmarshalerFlag[T, P]) Set(v string) error {
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return P(&(f.V)).UnmarshalText([]byte(v))
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}
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func (f *textUnmarshalerFlag[T, P]) String() string {
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b, err := f.V.MarshalText()
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if err != nil {
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panic(fmt.Sprintf("calling MarshalText on %#v: %v", f.V, err))
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}
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return string(b)
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}
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func (f *textUnmarshalerFlag[T, P]) Type() string { return "string" }
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////////////////////////////////////////////////////////////////////////////////
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type (
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hostNameFlag = textUnmarshalerFlag[nebula.HostName, *nebula.HostName]
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ipNetFlag = textUnmarshalerFlag[nebula.IPNet, *nebula.IPNet]
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ipFlag = textUnmarshalerFlag[netip.Addr, *netip.Addr]
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)
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type logLevelFlag struct {
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mlog.Level
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}
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func (f *logLevelFlag) Set(v string) error {
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f.Level = toolkit.LogLevelFromString(v)
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if f.Level == nil {
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return errors.New("not a valid log level")
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}
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return nil
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}
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func (f *logLevelFlag) String() string {
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if f.Level == nil {
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return "UNKNOWN"
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}
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return f.Level.String()
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}
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func (f *logLevelFlag) Type() string { return "string" }
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