diff options
Diffstat (limited to 'vendor/github.com/pborman/getopt/v2/option.go')
| -rw-r--r-- | vendor/github.com/pborman/getopt/v2/option.go | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/vendor/github.com/pborman/getopt/v2/option.go b/vendor/github.com/pborman/getopt/v2/option.go deleted file mode 100644 index c97bb29..0000000 --- a/vendor/github.com/pborman/getopt/v2/option.go +++ /dev/null @@ -1,224 +0,0 @@ -// Copyright 2017 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" -) - -// An Option can be either a Flag or a Value -type Option interface { - // Name returns the name of the option. If the option has been seen - // then the last way it was referenced (short or long) is returned - // otherwise if there is a short name then this will be the short name - // as a string, else it will be the long name. - Name() string - - // ShortName always returns the short name of the option, or "" if there - // is no short name. The name does not include the "-". - ShortName() string - - // LongName always returns the long name of the option, or "" if there - // is no long name. The name does not include the "--". - LongName() string - - // IsFlag returns true if Option is a flag. - IsFlag() bool - - // Seen returns true if the flag was seen. - Seen() bool - - // Count returns the number of times the flag was seen. - Count() int - - // String returns the last value the option was set to. - String() string - - // Value returns the Value of the option. - Value() Value - - // SetOptional makes the value optional. The option and value are - // always a single argument. Either --option or --option=value. In - // the former case the value of the option does not change but the Set() - // will return true and the value returned by Count() is incremented. - // The short form is either -o or -ovalue. SetOptional returns - // the Option - SetOptional() Option - - // SetFlag makes the value a flag. Flags are boolean values and - // normally do not taken a value. They are set to true when seen. - // If a value is passed in the long form then it must be on, case - // insensitivinsensitive, one of "true", "false", "t", "f", "on", "off", "1", "0". - // SetFlag returns the Option - SetFlag() Option - - // Reset resets the state of the option so it appears it has not - // yet been seen, including resetting the value of the option - // to its original default state. - Reset() - - // Mandataory sets the mandatory flag of the option. Parse will - // fail if a mandatory option is missing. - Mandatory() Option - - // SetGroup sets the option as part of a radio group. Parse will - // fail if two options in the same group are seen. - SetGroup(string) Option -} - -type option struct { - short rune // 0 means no short name - long string // "" means no long name - isLong bool // True if they used the long name - flag bool // true if a boolean flag - defval string // default value - optional bool // true if we take an optional value - help string // help message - where string // file where the option was defined - value Value // current value of option - count int // number of times we have seen this option - name string // name of the value (for usage) - uname string // name of the option (for usage) - mandatory bool // this option must be specified - group string // mutual exclusion group -} - -// usageName returns the name of the option for printing usage lines in one -// of the following forms: -// -// -f -// --flag -// -f, --flag -// -s value -// --set=value -// -s, --set=value -func (o *option) usageName() string { - // Don't print help messages if we have none and there is only one - // way to specify the option. - if o.help == "" && (o.short == 0 || o.long == "") { - return "" - } - n := "" - - switch { - case o.short != 0 && o.long == "": - n = "-" + string(o.short) - case o.short == 0 && o.long != "": - n = " --" + o.long - case o.short != 0 && o.long != "": - n = "-" + string(o.short) + ", --" + o.long - } - - switch { - case o.flag: - return n - case o.optional: - return n + "[=" + o.name + "]" - case o.long != "": - return n + "=" + o.name - } - return n + " " + o.name -} - -// sortName returns the name to sort the option on. -func (o *option) sortName() string { - if o.short != 0 { - return string(o.short) + o.long - } - return o.long[:1] + o.long -} - -func (o *option) Seen() bool { return o.count > 0 } -func (o *option) Count() int { return o.count } -func (o *option) IsFlag() bool { return o.flag } -func (o *option) String() string { return o.value.String() } -func (o *option) SetOptional() Option { o.optional = true; return o } -func (o *option) SetFlag() Option { o.flag = true; return o } -func (o *option) Mandatory() Option { o.mandatory = true; return o } -func (o *option) SetGroup(g string) Option { o.group = g; return o } - -func (o *option) Value() Value { - if o == nil { - return nil - } - return o.value -} - -func (o *option) Name() string { - if !o.isLong && o.short != 0 { - return "-" + string(o.short) - } - return "--" + o.long -} - -func (o *option) ShortName() string { - if o.short != 0 { - return string(o.short) - } - return "" -} - -func (o *option) LongName() string { - return o.long -} - -// Reset rests an option so that it appears it has not yet been seen. -func (o *option) Reset() { - o.isLong = false - o.count = 0 - o.value.Set(o.defval, o) -} - -type optionList []*option - -func (ol optionList) Len() int { return len(ol) } -func (ol optionList) Swap(i, j int) { ol[i], ol[j] = ol[j], ol[i] } -func (ol optionList) Less(i, j int) bool { - // first check the short names (or the first letter of the long name) - // If they are not equal (case insensitive) then we have our answer - n1 := ol[i].sortName() - n2 := ol[j].sortName() - l1 := strings.ToLower(n1) - l2 := strings.ToLower(n2) - if l1 < l2 { - return true - } - if l2 < l1 { - return false - } - return n1 < n2 -} - -// AddOption add the option o to set CommandLine if o is not already in set -// CommandLine. -func AddOption(o Option) { - CommandLine.AddOption(o) -} - -// AddOption add the option o to set s if o is not already in set s. -func (s *Set) AddOption(o Option) { - opt := o.(*option) - for _, eopt := range s.options { - if opt == eopt { - return - } - } - if opt.short != 0 { - if oo, ok := s.shortOptions[opt.short]; ok { - fmt.Fprintf(stderr, "%s: -%c already declared at %s\n", opt.where, opt.short, oo.where) - exit(1) - } - s.shortOptions[opt.short] = opt - } - if opt.long != "" { - if oo, ok := s.longOptions[opt.long]; ok { - fmt.Fprintf(stderr, "%s: --%s already declared at %s\n", opt.where, opt.long, oo.where) - exit(1) - } - s.longOptions[opt.long] = opt - } - s.options = append(s.options, opt) -} |