Платформа ЦРНП "Мирокод" для разработки проектов
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166 lines
4.6 KiB
166 lines
4.6 KiB
package pflag |
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import ( |
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"fmt" |
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"strconv" |
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"strings" |
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) |
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// -- int64Slice Value |
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type int64SliceValue struct { |
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value *[]int64 |
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changed bool |
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} |
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func newInt64SliceValue(val []int64, p *[]int64) *int64SliceValue { |
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isv := new(int64SliceValue) |
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isv.value = p |
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*isv.value = val |
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return isv |
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} |
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func (s *int64SliceValue) Set(val string) error { |
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ss := strings.Split(val, ",") |
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out := make([]int64, len(ss)) |
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for i, d := range ss { |
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var err error |
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out[i], err = strconv.ParseInt(d, 0, 64) |
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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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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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func (s *int64SliceValue) Type() string { |
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return "int64Slice" |
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} |
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func (s *int64SliceValue) String() 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] = fmt.Sprintf("%d", d) |
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} |
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return "[" + strings.Join(out, ",") + "]" |
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} |
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func (s *int64SliceValue) fromString(val string) (int64, error) { |
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return strconv.ParseInt(val, 0, 64) |
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} |
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func (s *int64SliceValue) toString(val int64) string { |
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return fmt.Sprintf("%d", val) |
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} |
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func (s *int64SliceValue) 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 *int64SliceValue) Replace(val []string) error { |
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out := make([]int64, 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 *int64SliceValue) 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 int64SliceConv(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 []int64{}, nil |
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} |
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ss := strings.Split(val, ",") |
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out := make([]int64, len(ss)) |
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for i, d := range ss { |
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var err error |
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out[i], err = strconv.ParseInt(d, 0, 64) |
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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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// GetInt64Slice return the []int64 value of a flag with the given name |
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func (f *FlagSet) GetInt64Slice(name string) ([]int64, error) { |
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val, err := f.getFlagType(name, "int64Slice", int64SliceConv) |
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if err != nil { |
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return []int64{}, err |
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} |
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return val.([]int64), nil |
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} |
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// Int64SliceVar defines a int64Slice flag with specified name, default value, and usage string. |
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// The argument p points to a []int64 variable in which to store the value of the flag. |
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func (f *FlagSet) Int64SliceVar(p *[]int64, name string, value []int64, usage string) { |
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f.VarP(newInt64SliceValue(value, p), name, "", usage) |
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} |
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// Int64SliceVarP is like Int64SliceVar, but accepts a shorthand letter that can be used after a single dash. |
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func (f *FlagSet) Int64SliceVarP(p *[]int64, name, shorthand string, value []int64, usage string) { |
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f.VarP(newInt64SliceValue(value, p), name, shorthand, usage) |
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} |
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// Int64SliceVar defines a int64[] flag with specified name, default value, and usage string. |
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// The argument p points to a int64[] variable in which to store the value of the flag. |
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func Int64SliceVar(p *[]int64, name string, value []int64, usage string) { |
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CommandLine.VarP(newInt64SliceValue(value, p), name, "", usage) |
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} |
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// Int64SliceVarP is like Int64SliceVar, but accepts a shorthand letter that can be used after a single dash. |
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func Int64SliceVarP(p *[]int64, name, shorthand string, value []int64, usage string) { |
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CommandLine.VarP(newInt64SliceValue(value, p), name, shorthand, usage) |
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} |
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// Int64Slice defines a []int64 flag with specified name, default value, and usage string. |
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// The return value is the address of a []int64 variable that stores the value of the flag. |
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func (f *FlagSet) Int64Slice(name string, value []int64, usage string) *[]int64 { |
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p := []int64{} |
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f.Int64SliceVarP(&p, name, "", value, usage) |
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return &p |
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} |
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// Int64SliceP is like Int64Slice, but accepts a shorthand letter that can be used after a single dash. |
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func (f *FlagSet) Int64SliceP(name, shorthand string, value []int64, usage string) *[]int64 { |
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p := []int64{} |
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f.Int64SliceVarP(&p, name, shorthand, value, usage) |
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return &p |
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} |
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// Int64Slice defines a []int64 flag with specified name, default value, and usage string. |
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// The return value is the address of a []int64 variable that stores the value of the flag. |
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func Int64Slice(name string, value []int64, usage string) *[]int64 { |
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return CommandLine.Int64SliceP(name, "", value, usage) |
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} |
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// Int64SliceP is like Int64Slice, but accepts a shorthand letter that can be used after a single dash. |
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func Int64SliceP(name, shorthand string, value []int64, usage string) *[]int64 { |
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return CommandLine.Int64SliceP(name, shorthand, value, usage) |
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}
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