diff options
Diffstat (limited to 'vendor/github.com/pborman/getopt/bool.go')
-rw-r--r-- | vendor/github.com/pborman/getopt/bool.go | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/github.com/pborman/getopt/bool.go b/vendor/github.com/pborman/getopt/bool.go new file mode 100644 index 0000000..37ce019 --- /dev/null +++ b/vendor/github.com/pborman/getopt/bool.go @@ -0,0 +1,74 @@ +// 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" + "strings" +) + +type boolValue bool + +func (b *boolValue) Set(value string, opt Option) error { + switch strings.ToLower(value) { + case "", "1", "true", "on", "t": + *b = true + case "0", "false", "off", "f": + *b = false + default: + return fmt.Errorf("invalid value for bool %s: %q", opt.Name(), value) + } + return nil +} + +func (b *boolValue) String() string { + if *b { + return "true" + } + return "false" +} + +// Bool creates a flag option that is a bool. Bools normally do not take a +// value however one can be assigned by using the long form of the option: +// +// --option=true +// --o=false +// +// Its value is case insenstive and one of true, false, t, f, on, off, t and 0. +func Bool(name rune, helpvalue ...string) *bool { + return CommandLine.Bool(name, helpvalue...) +} + +func (s *Set) Bool(name rune, helpvalue ...string) *bool { + var p bool + s.BoolVarLong(&p, "", name, helpvalue...) + return &p +} + +func BoolLong(name string, short rune, helpvalue ...string) *bool { + return CommandLine.BoolLong(name, short, helpvalue...) +} + +func (s *Set) BoolLong(name string, short rune, helpvalue ...string) *bool { + var p bool + s.BoolVarLong(&p, name, short, helpvalue...) + return &p +} + +func BoolVar(p *bool, name rune, helpvalue ...string) Option { + return CommandLine.BoolVar(p, name, helpvalue...) +} + +func (s *Set) BoolVar(p *bool, name rune, helpvalue ...string) Option { + return s.BoolVarLong(p, "", name, helpvalue...) +} + +func BoolVarLong(p *bool, name string, short rune, helpvalue ...string) Option { + return CommandLine.BoolVarLong(p, name, short, helpvalue...) +} + +func (s *Set) BoolVarLong(p *bool, name string, short rune, helpvalue ...string) Option { + return s.VarLong((*boolValue)(p), name, short, helpvalue...).SetFlag() +} |