From d21f39eeebd3586e7faf4d83c7a8e12b6e04c82e Mon Sep 17 00:00:00 2001 From: Victor Häggqvist Date: Tue, 21 Apr 2020 09:34:44 +0200 Subject: replace ini --- vendor/github.com/spf13/pflag/ip_slice.go | 186 ++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 vendor/github.com/spf13/pflag/ip_slice.go (limited to 'vendor/github.com/spf13/pflag/ip_slice.go') diff --git a/vendor/github.com/spf13/pflag/ip_slice.go b/vendor/github.com/spf13/pflag/ip_slice.go new file mode 100644 index 0000000..775faae --- /dev/null +++ b/vendor/github.com/spf13/pflag/ip_slice.go @@ -0,0 +1,186 @@ +package pflag + +import ( + "fmt" + "io" + "net" + "strings" +) + +// -- ipSlice Value +type ipSliceValue struct { + value *[]net.IP + changed bool +} + +func newIPSliceValue(val []net.IP, p *[]net.IP) *ipSliceValue { + ipsv := new(ipSliceValue) + ipsv.value = p + *ipsv.value = val + return ipsv +} + +// Set converts, and assigns, the comma-separated IP argument string representation as the []net.IP value of this flag. +// If Set is called on a flag that already has a []net.IP assigned, the newly converted values will be appended. +func (s *ipSliceValue) Set(val string) error { + + // remove all quote characters + rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "") + + // read flag arguments with CSV parser + ipStrSlice, err := readAsCSV(rmQuote.Replace(val)) + if err != nil && err != io.EOF { + return err + } + + // parse ip values into slice + out := make([]net.IP, 0, len(ipStrSlice)) + for _, ipStr := range ipStrSlice { + ip := net.ParseIP(strings.TrimSpace(ipStr)) + if ip == nil { + return fmt.Errorf("invalid string being converted to IP address: %s", ipStr) + } + out = append(out, ip) + } + + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + + s.changed = true + + return nil +} + +// Type returns a string that uniquely represents this flag's type. +func (s *ipSliceValue) Type() string { + return "ipSlice" +} + +// String defines a "native" format for this net.IP slice flag value. +func (s *ipSliceValue) String() string { + + ipStrSlice := make([]string, len(*s.value)) + for i, ip := range *s.value { + ipStrSlice[i] = ip.String() + } + + out, _ := writeAsCSV(ipStrSlice) + + return "[" + out + "]" +} + +func (s *ipSliceValue) fromString(val string) (net.IP, error) { + return net.ParseIP(strings.TrimSpace(val)), nil +} + +func (s *ipSliceValue) toString(val net.IP) string { + return val.String() +} + +func (s *ipSliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *ipSliceValue) Replace(val []string) error { + out := make([]net.IP, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *ipSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func ipSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []net.IP{}, nil + } + ss := strings.Split(val, ",") + out := make([]net.IP, len(ss)) + for i, sval := range ss { + ip := net.ParseIP(strings.TrimSpace(sval)) + if ip == nil { + return nil, fmt.Errorf("invalid string being converted to IP address: %s", sval) + } + out[i] = ip + } + return out, nil +} + +// GetIPSlice returns the []net.IP value of a flag with the given name +func (f *FlagSet) GetIPSlice(name string) ([]net.IP, error) { + val, err := f.getFlagType(name, "ipSlice", ipSliceConv) + if err != nil { + return []net.IP{}, err + } + return val.([]net.IP), nil +} + +// IPSliceVar defines a ipSlice flag with specified name, default value, and usage string. +// The argument p points to a []net.IP variable in which to store the value of the flag. +func (f *FlagSet) IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) { + f.VarP(newIPSliceValue(value, p), name, "", usage) +} + +// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) { + f.VarP(newIPSliceValue(value, p), name, shorthand, usage) +} + +// IPSliceVar defines a []net.IP flag with specified name, default value, and usage string. +// The argument p points to a []net.IP variable in which to store the value of the flag. +func IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) { + CommandLine.VarP(newIPSliceValue(value, p), name, "", usage) +} + +// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash. +func IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) { + CommandLine.VarP(newIPSliceValue(value, p), name, shorthand, usage) +} + +// IPSlice defines a []net.IP flag with specified name, default value, and usage string. +// The return value is the address of a []net.IP variable that stores the value of that flag. +func (f *FlagSet) IPSlice(name string, value []net.IP, usage string) *[]net.IP { + p := []net.IP{} + f.IPSliceVarP(&p, name, "", value, usage) + return &p +} + +// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP { + p := []net.IP{} + f.IPSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// IPSlice defines a []net.IP flag with specified name, default value, and usage string. +// The return value is the address of a []net.IP variable that stores the value of the flag. +func IPSlice(name string, value []net.IP, usage string) *[]net.IP { + return CommandLine.IPSliceP(name, "", value, usage) +} + +// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash. +func IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP { + return CommandLine.IPSliceP(name, shorthand, value, usage) +} -- cgit v1.2.3