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								vendor/github.com/spf13/pflag/golangflag.go
									
									
									
										generated
									
									
										vendored
									
									
								
							
							
						
						
									
										101
									
								
								vendor/github.com/spf13/pflag/golangflag.go
									
									
									
										generated
									
									
										vendored
									
									
								
							@@ -1,101 +0,0 @@
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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		||||
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package pflag
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import (
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	goflag "flag"
 | 
			
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	"reflect"
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	"strings"
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)
 | 
			
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// flagValueWrapper implements pflag.Value around a flag.Value.  The main
 | 
			
		||||
// difference here is the addition of the Type method that returns a string
 | 
			
		||||
// name of the type.  As this is generally unknown, we approximate that with
 | 
			
		||||
// reflection.
 | 
			
		||||
type flagValueWrapper struct {
 | 
			
		||||
	inner    goflag.Value
 | 
			
		||||
	flagType string
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// We are just copying the boolFlag interface out of goflag as that is what
 | 
			
		||||
// they use to decide if a flag should get "true" when no arg is given.
 | 
			
		||||
type goBoolFlag interface {
 | 
			
		||||
	goflag.Value
 | 
			
		||||
	IsBoolFlag() bool
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func wrapFlagValue(v goflag.Value) Value {
 | 
			
		||||
	// If the flag.Value happens to also be a pflag.Value, just use it directly.
 | 
			
		||||
	if pv, ok := v.(Value); ok {
 | 
			
		||||
		return pv
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	pv := &flagValueWrapper{
 | 
			
		||||
		inner: v,
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	t := reflect.TypeOf(v)
 | 
			
		||||
	if t.Kind() == reflect.Interface || t.Kind() == reflect.Ptr {
 | 
			
		||||
		t = t.Elem()
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	pv.flagType = strings.TrimSuffix(t.Name(), "Value")
 | 
			
		||||
	return pv
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (v *flagValueWrapper) String() string {
 | 
			
		||||
	return v.inner.String()
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (v *flagValueWrapper) Set(s string) error {
 | 
			
		||||
	return v.inner.Set(s)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (v *flagValueWrapper) Type() string {
 | 
			
		||||
	return v.flagType
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// PFlagFromGoFlag will return a *pflag.Flag given a *flag.Flag
 | 
			
		||||
// If the *flag.Flag.Name was a single character (ex: `v`) it will be accessiblei
 | 
			
		||||
// with both `-v` and `--v` in flags. If the golang flag was more than a single
 | 
			
		||||
// character (ex: `verbose`) it will only be accessible via `--verbose`
 | 
			
		||||
func PFlagFromGoFlag(goflag *goflag.Flag) *Flag {
 | 
			
		||||
	// Remember the default value as a string; it won't change.
 | 
			
		||||
	flag := &Flag{
 | 
			
		||||
		Name:  goflag.Name,
 | 
			
		||||
		Usage: goflag.Usage,
 | 
			
		||||
		Value: wrapFlagValue(goflag.Value),
 | 
			
		||||
		// Looks like golang flags don't set DefValue correctly  :-(
 | 
			
		||||
		//DefValue: goflag.DefValue,
 | 
			
		||||
		DefValue: goflag.Value.String(),
 | 
			
		||||
	}
 | 
			
		||||
	// Ex: if the golang flag was -v, allow both -v and --v to work
 | 
			
		||||
	if len(flag.Name) == 1 {
 | 
			
		||||
		flag.Shorthand = flag.Name
 | 
			
		||||
	}
 | 
			
		||||
	if fv, ok := goflag.Value.(goBoolFlag); ok && fv.IsBoolFlag() {
 | 
			
		||||
		flag.NoOptDefVal = "true"
 | 
			
		||||
	}
 | 
			
		||||
	return flag
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// AddGoFlag will add the given *flag.Flag to the pflag.FlagSet
 | 
			
		||||
func (f *FlagSet) AddGoFlag(goflag *goflag.Flag) {
 | 
			
		||||
	if f.Lookup(goflag.Name) != nil {
 | 
			
		||||
		return
 | 
			
		||||
	}
 | 
			
		||||
	newflag := PFlagFromGoFlag(goflag)
 | 
			
		||||
	f.AddFlag(newflag)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// AddGoFlagSet will add the given *flag.FlagSet to the pflag.FlagSet
 | 
			
		||||
func (f *FlagSet) AddGoFlagSet(newSet *goflag.FlagSet) {
 | 
			
		||||
	if newSet == nil {
 | 
			
		||||
		return
 | 
			
		||||
	}
 | 
			
		||||
	newSet.VisitAll(func(goflag *goflag.Flag) {
 | 
			
		||||
		f.AddGoFlag(goflag)
 | 
			
		||||
	})
 | 
			
		||||
}
 | 
			
		||||
		Reference in New Issue
	
	Block a user