forked from LaconicNetwork/kompose
e9544ca894
This adds github.com/pkg/errors to glide.yaml followed by glide and glide-vc commands. The github.com/pkg/errors package is currently required mainly for the errors.Wrap() and errors.New() methods, since this lets us to annotate the errors while passing the error message up the call stack.
133 lines
4.0 KiB
Go
133 lines
4.0 KiB
Go
package pflag
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import (
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"bytes"
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"encoding/csv"
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"fmt"
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"strings"
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)
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var _ = fmt.Fprint
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// -- stringSlice Value
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type stringSliceValue struct {
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value *[]string
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changed bool
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}
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func newStringSliceValue(val []string, p *[]string) *stringSliceValue {
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ssv := new(stringSliceValue)
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ssv.value = p
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*ssv.value = val
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return ssv
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}
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func readAsCSV(val string) ([]string, error) {
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if val == "" {
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return []string{}, nil
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}
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stringReader := strings.NewReader(val)
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csvReader := csv.NewReader(stringReader)
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return csvReader.Read()
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}
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func writeAsCSV(vals []string) (string, error) {
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b := &bytes.Buffer{}
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w := csv.NewWriter(b)
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err := w.Write(vals)
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if err != nil {
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return "", err
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}
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w.Flush()
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return strings.TrimSuffix(b.String(), fmt.Sprintln()), nil
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}
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func (s *stringSliceValue) Set(val string) error {
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v, err := readAsCSV(val)
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if err != nil {
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return err
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}
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if !s.changed {
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*s.value = v
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} else {
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*s.value = append(*s.value, v...)
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}
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s.changed = true
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return nil
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}
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func (s *stringSliceValue) Type() string {
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return "stringSlice"
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}
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func (s *stringSliceValue) String() string {
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str, _ := writeAsCSV(*s.value)
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return "[" + str + "]"
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}
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func stringSliceConv(sval string) (interface{}, error) {
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sval = sval[1 : len(sval)-1]
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// An empty string would cause a slice with one (empty) string
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if len(sval) == 0 {
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return []string{}, nil
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}
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return readAsCSV(sval)
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}
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// GetStringSlice return the []string value of a flag with the given name
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func (f *FlagSet) GetStringSlice(name string) ([]string, error) {
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val, err := f.getFlagType(name, "stringSlice", stringSliceConv)
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if err != nil {
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return []string{}, err
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}
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return val.([]string), nil
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}
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// StringSliceVar defines a string flag with specified name, default value, and usage string.
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// The argument p points to a []string variable in which to store the value of the flag.
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func (f *FlagSet) StringSliceVar(p *[]string, name string, value []string, usage string) {
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f.VarP(newStringSliceValue(value, p), name, "", usage)
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}
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// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
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f.VarP(newStringSliceValue(value, p), name, shorthand, usage)
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}
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// StringSliceVar defines a string flag with specified name, default value, and usage string.
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// The argument p points to a []string variable in which to store the value of the flag.
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func StringSliceVar(p *[]string, name string, value []string, usage string) {
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CommandLine.VarP(newStringSliceValue(value, p), name, "", usage)
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}
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// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
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CommandLine.VarP(newStringSliceValue(value, p), name, shorthand, usage)
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}
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// StringSlice defines a string flag with specified name, default value, and usage string.
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// The return value is the address of a []string variable that stores the value of the flag.
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func (f *FlagSet) StringSlice(name string, value []string, usage string) *[]string {
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p := []string{}
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f.StringSliceVarP(&p, name, "", value, usage)
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return &p
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}
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// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) StringSliceP(name, shorthand string, value []string, usage string) *[]string {
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p := []string{}
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f.StringSliceVarP(&p, name, shorthand, value, usage)
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return &p
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}
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// StringSlice defines a string flag with specified name, default value, and usage string.
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// The return value is the address of a []string variable that stores the value of the flag.
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func StringSlice(name string, value []string, usage string) *[]string {
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return CommandLine.StringSliceP(name, "", value, usage)
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}
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// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
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func StringSliceP(name, shorthand string, value []string, usage string) *[]string {
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return CommandLine.StringSliceP(name, shorthand, value, usage)
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}
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