89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
package pflag
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import "strconv"
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// -- int32 Value
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type int32Value int32
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func newInt32Value(val int32, p *int32) *int32Value {
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*p = val
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return (*int32Value)(p)
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}
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func (i *int32Value) Set(s string) error {
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v, err := strconv.ParseInt(s, 0, 32)
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*i = int32Value(v)
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return err
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}
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func (i *int32Value) Type() string {
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return "int32"
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}
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func (i *int32Value) String() string { return strconv.FormatInt(int64(*i), 10) }
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func int32Conv(sval string) (interface{}, error) {
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v, err := strconv.ParseInt(sval, 0, 32)
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if err != nil {
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return 0, err
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}
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return int32(v), nil
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}
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// GetInt32 return the int32 value of a flag with the given name
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func (f *FlagSet) GetInt32(name string) (int32, error) {
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val, err := f.getFlagType(name, "int32", int32Conv)
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if err != nil {
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return 0, err
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}
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return val.(int32), nil
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}
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// Int32Var defines an int32 flag with specified name, default value, and usage string.
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// The argument p points to an int32 variable in which to store the value of the flag.
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func (f *FlagSet) Int32Var(p *int32, name string, value int32, usage string) {
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f.VarP(newInt32Value(value, p), name, "", usage)
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}
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// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
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f.VarP(newInt32Value(value, p), name, shorthand, usage)
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}
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// Int32Var defines an int32 flag with specified name, default value, and usage string.
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// The argument p points to an int32 variable in which to store the value of the flag.
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func Int32Var(p *int32, name string, value int32, usage string) {
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CommandLine.VarP(newInt32Value(value, p), name, "", usage)
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}
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// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
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func Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
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CommandLine.VarP(newInt32Value(value, p), name, shorthand, usage)
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}
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// Int32 defines an int32 flag with specified name, default value, and usage string.
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// The return value is the address of an int32 variable that stores the value of the flag.
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func (f *FlagSet) Int32(name string, value int32, usage string) *int32 {
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p := new(int32)
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f.Int32VarP(p, name, "", value, usage)
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return p
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}
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// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32P(name, shorthand string, value int32, usage string) *int32 {
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p := new(int32)
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f.Int32VarP(p, name, shorthand, value, usage)
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return p
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}
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// Int32 defines an int32 flag with specified name, default value, and usage string.
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// The return value is the address of an int32 variable that stores the value of the flag.
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func Int32(name string, value int32, usage string) *int32 {
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return CommandLine.Int32P(name, "", value, usage)
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}
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// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
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func Int32P(name, shorthand string, value int32, usage string) *int32 {
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return CommandLine.Int32P(name, shorthand, value, usage)
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}
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