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// Copyright 2013 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package getopt
import (
"fmt"
"strconv"
)
type int32Value int32
func (i *int32Value) Set(value string, opt Option) error {
v, err := strconv.ParseInt(value, 0, 32)
if err != nil {
if e, ok := err.(*strconv.NumError); ok {
switch e.Err {
case strconv.ErrRange:
err = fmt.Errorf("value out of range: %s", value)
case strconv.ErrSyntax:
err = fmt.Errorf("not a valid number: %s", value)
}
}
return err
}
*i = int32Value(v)
return nil
}
func (i *int32Value) String() string {
return strconv.FormatInt(int64(*i), 10)
}
// Int32 creates an option that parses its value as an int32.
func Int32(name rune, value int32, helpvalue ...string) *int32 {
return CommandLine.Int32(name, value, helpvalue...)
}
func (s *Set) Int32(name rune, value int32, helpvalue ...string) *int32 {
return s.Int32Long("", name, value, helpvalue...)
}
func Int32Long(name string, short rune, value int32, helpvalue ...string) *int32 {
return CommandLine.Int32Long(name, short, value, helpvalue...)
}
func (s *Set) Int32Long(name string, short rune, value int32, helpvalue ...string) *int32 {
s.Int32VarLong(&value, name, short, helpvalue...)
return &value
}
func Int32Var(p *int32, name rune, helpvalue ...string) Option {
return CommandLine.Int32Var(p, name, helpvalue...)
}
func (s *Set) Int32Var(p *int32, name rune, helpvalue ...string) Option {
return s.Int32VarLong(p, "", name, helpvalue...)
}
func Int32VarLong(p *int32, name string, short rune, helpvalue ...string) Option {
return CommandLine.Int32VarLong(p, name, short, helpvalue...)
}
func (s *Set) Int32VarLong(p *int32, name string, short rune, helpvalue ...string) Option {
return s.VarLong((*int32Value)(p), name, short, helpvalue...)
}
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