87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
package pflag
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import (
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"fmt"
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"strconv"
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)
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// -- int Value
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type intValue int
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func newIntValue(val int, p *int) *intValue {
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*p = val
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return (*intValue)(p)
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}
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func (i *intValue) Set(s string) error {
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v, err := strconv.ParseInt(s, 0, 64)
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*i = intValue(v)
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return err
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}
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func (i *intValue) Type() string {
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return "int"
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}
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func (i *intValue) String() string { return fmt.Sprintf("%v", *i) }
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func intConv(sval string) (interface{}, error) {
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return strconv.Atoi(sval)
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}
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// GetInt return the int value of a flag with the given name
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func (f *FlagSet) GetInt(name string) (int, error) {
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val, err := f.getFlagType(name, "int", intConv)
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if err != nil {
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return 0, err
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}
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return val.(int), nil
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}
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// IntVar defines an int flag with specified name, default value, and usage string.
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// The argument p points to an int variable in which to store the value of the flag.
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func (f *FlagSet) IntVar(p *int, name string, value int, usage string) {
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f.VarP(newIntValue(value, p), name, "", usage)
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}
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// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) IntVarP(p *int, name, shorthand string, value int, usage string) {
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f.VarP(newIntValue(value, p), name, shorthand, usage)
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}
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// IntVar defines an int flag with specified name, default value, and usage string.
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// The argument p points to an int variable in which to store the value of the flag.
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func IntVar(p *int, name string, value int, usage string) {
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CommandLine.VarP(newIntValue(value, p), name, "", usage)
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}
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// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
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func IntVarP(p *int, name, shorthand string, value int, usage string) {
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CommandLine.VarP(newIntValue(value, p), name, shorthand, usage)
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}
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// Int defines an int flag with specified name, default value, and usage string.
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// The return value is the address of an int variable that stores the value of the flag.
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func (f *FlagSet) Int(name string, value int, usage string) *int {
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p := new(int)
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f.IntVarP(p, name, "", value, usage)
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return p
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}
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// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) IntP(name, shorthand string, value int, usage string) *int {
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p := new(int)
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f.IntVarP(p, name, shorthand, value, usage)
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return p
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}
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// Int defines an int flag with specified name, default value, and usage string.
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// The return value is the address of an int variable that stores the value of the flag.
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func Int(name string, value int, usage string) *int {
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return CommandLine.IntP(name, "", value, usage)
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}
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// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
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func IntP(name, shorthand string, value int, usage string) *int {
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return CommandLine.IntP(name, shorthand, value, usage)
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}
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