diff options
Diffstat (limited to 'vendor/github.com/spf13/pflag/string_to_int64.go')
-rw-r--r-- | vendor/github.com/spf13/pflag/string_to_int64.go | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/pflag/string_to_int64.go b/vendor/github.com/spf13/pflag/string_to_int64.go new file mode 100644 index 00000000..a807a04a --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_to_int64.go @@ -0,0 +1,149 @@ +package pflag + +import ( + "bytes" + "fmt" + "strconv" + "strings" +) + +// -- stringToInt64 Value +type stringToInt64Value struct { + value *map[string]int64 + changed bool +} + +func newStringToInt64Value(val map[string]int64, p *map[string]int64) *stringToInt64Value { + ssv := new(stringToInt64Value) + ssv.value = p + *ssv.value = val + return ssv +} + +// Format: a=1,b=2 +func (s *stringToInt64Value) Set(val string) error { + ss := strings.Split(val, ",") + out := make(map[string]int64, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64) + if err != nil { + return err + } + } + if !s.changed { + *s.value = out + } else { + for k, v := range out { + (*s.value)[k] = v + } + } + s.changed = true + return nil +} + +func (s *stringToInt64Value) Type() string { + return "stringToInt64" +} + +func (s *stringToInt64Value) String() string { + var buf bytes.Buffer + i := 0 + for k, v := range *s.value { + if i > 0 { + buf.WriteRune(',') + } + buf.WriteString(k) + buf.WriteRune('=') + buf.WriteString(strconv.FormatInt(v, 10)) + i++ + } + return "[" + buf.String() + "]" +} + +func stringToInt64Conv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // An empty string would cause an empty map + if len(val) == 0 { + return map[string]int64{}, nil + } + ss := strings.Split(val, ",") + out := make(map[string]int64, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64) + if err != nil { + return nil, err + } + } + return out, nil +} + +// GetStringToInt64 return the map[string]int64 value of a flag with the given name +func (f *FlagSet) GetStringToInt64(name string) (map[string]int64, error) { + val, err := f.getFlagType(name, "stringToInt64", stringToInt64Conv) + if err != nil { + return map[string]int64{}, err + } + return val.(map[string]int64), nil +} + +// StringToInt64Var defines a string flag with specified name, default value, and usage string. +// The argument p point64s to a map[string]int64 variable in which to store the values of the multiple flags. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) { + f.VarP(newStringToInt64Value(value, p), name, "", usage) +} + +// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) { + f.VarP(newStringToInt64Value(value, p), name, shorthand, usage) +} + +// StringToInt64Var defines a string flag with specified name, default value, and usage string. +// The argument p point64s to a map[string]int64 variable in which to store the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) { + CommandLine.VarP(newStringToInt64Value(value, p), name, "", usage) +} + +// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash. +func StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) { + CommandLine.VarP(newStringToInt64Value(value, p), name, shorthand, usage) +} + +// StringToInt64 defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int64 variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 { + p := map[string]int64{} + f.StringToInt64VarP(&p, name, "", value, usage) + return &p +} + +// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 { + p := map[string]int64{} + f.StringToInt64VarP(&p, name, shorthand, value, usage) + return &p +} + +// StringToInt64 defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int64 variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 { + return CommandLine.StringToInt64P(name, "", value, usage) +} + +// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash. +func StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 { + return CommandLine.StringToInt64P(name, shorthand, value, usage) +} |