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* upgrade to use testfixtures v3 * simplify logic * make vendor * update per @lunny * Update templates/repo/empty.tmpl * Update templates/repo/empty.tmpl Co-authored-by: Lauris BH <lauris@nix.lv>
186 lines
5.2 KiB
Go
Vendored
186 lines
5.2 KiB
Go
Vendored
package pflag
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import (
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"io"
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"strconv"
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"strings"
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)
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// -- boolSlice Value
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type boolSliceValue struct {
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value *[]bool
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changed bool
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}
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func newBoolSliceValue(val []bool, p *[]bool) *boolSliceValue {
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bsv := new(boolSliceValue)
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bsv.value = p
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*bsv.value = val
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return bsv
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}
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// Set converts, and assigns, the comma-separated boolean argument string representation as the []bool value of this flag.
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// If Set is called on a flag that already has a []bool assigned, the newly converted values will be appended.
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func (s *boolSliceValue) Set(val string) error {
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// remove all quote characters
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rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "")
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// read flag arguments with CSV parser
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boolStrSlice, err := readAsCSV(rmQuote.Replace(val))
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if err != nil && err != io.EOF {
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return err
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}
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// parse boolean values into slice
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out := make([]bool, 0, len(boolStrSlice))
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for _, boolStr := range boolStrSlice {
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b, err := strconv.ParseBool(strings.TrimSpace(boolStr))
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if err != nil {
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return err
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}
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out = append(out, b)
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}
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if !s.changed {
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*s.value = out
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} else {
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*s.value = append(*s.value, out...)
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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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// Type returns a string that uniquely represents this flag's type.
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func (s *boolSliceValue) Type() string {
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return "boolSlice"
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}
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// String defines a "native" format for this boolean slice flag value.
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func (s *boolSliceValue) String() string {
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boolStrSlice := make([]string, len(*s.value))
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for i, b := range *s.value {
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boolStrSlice[i] = strconv.FormatBool(b)
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}
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out, _ := writeAsCSV(boolStrSlice)
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return "[" + out + "]"
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}
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func (s *boolSliceValue) fromString(val string) (bool, error) {
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return strconv.ParseBool(val)
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}
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func (s *boolSliceValue) toString(val bool) string {
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return strconv.FormatBool(val)
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}
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func (s *boolSliceValue) Append(val string) error {
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i, err := s.fromString(val)
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if err != nil {
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return err
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}
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*s.value = append(*s.value, i)
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return nil
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}
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func (s *boolSliceValue) Replace(val []string) error {
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out := make([]bool, len(val))
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for i, d := range val {
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var err error
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out[i], err = s.fromString(d)
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if err != nil {
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return err
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}
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}
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*s.value = out
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return nil
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}
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func (s *boolSliceValue) GetSlice() []string {
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out := make([]string, len(*s.value))
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for i, d := range *s.value {
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out[i] = s.toString(d)
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}
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return out
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}
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func boolSliceConv(val string) (interface{}, error) {
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val = strings.Trim(val, "[]")
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// Empty string would cause a slice with one (empty) entry
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if len(val) == 0 {
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return []bool{}, nil
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}
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ss := strings.Split(val, ",")
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out := make([]bool, len(ss))
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for i, t := range ss {
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var err error
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out[i], err = strconv.ParseBool(t)
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if err != nil {
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return nil, err
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}
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}
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return out, nil
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}
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// GetBoolSlice returns the []bool value of a flag with the given name.
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func (f *FlagSet) GetBoolSlice(name string) ([]bool, error) {
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val, err := f.getFlagType(name, "boolSlice", boolSliceConv)
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if err != nil {
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return []bool{}, err
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}
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return val.([]bool), nil
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}
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// BoolSliceVar defines a boolSlice flag with specified name, default value, and usage string.
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// The argument p points to a []bool variable in which to store the value of the flag.
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func (f *FlagSet) BoolSliceVar(p *[]bool, name string, value []bool, usage string) {
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f.VarP(newBoolSliceValue(value, p), name, "", usage)
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}
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// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) {
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f.VarP(newBoolSliceValue(value, p), name, shorthand, usage)
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}
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// BoolSliceVar defines a []bool flag with specified name, default value, and usage string.
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// The argument p points to a []bool variable in which to store the value of the flag.
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func BoolSliceVar(p *[]bool, name string, value []bool, usage string) {
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CommandLine.VarP(newBoolSliceValue(value, p), name, "", usage)
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}
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// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) {
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CommandLine.VarP(newBoolSliceValue(value, p), name, shorthand, usage)
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}
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// BoolSlice defines a []bool flag with specified name, default value, and usage string.
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// The return value is the address of a []bool variable that stores the value of the flag.
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func (f *FlagSet) BoolSlice(name string, value []bool, usage string) *[]bool {
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p := []bool{}
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f.BoolSliceVarP(&p, name, "", value, usage)
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return &p
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}
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// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool {
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p := []bool{}
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f.BoolSliceVarP(&p, name, shorthand, value, usage)
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return &p
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}
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// BoolSlice defines a []bool flag with specified name, default value, and usage string.
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// The return value is the address of a []bool variable that stores the value of the flag.
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func BoolSlice(name string, value []bool, usage string) *[]bool {
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return CommandLine.BoolSliceP(name, "", value, usage)
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}
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// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash.
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func BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool {
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return CommandLine.BoolSliceP(name, shorthand, value, usage)
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}
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