annotate cmd/sievemgr/command.go @ 3:3cd182bff992

Show warning messages in put output
author Guido Berhoerster <guido+sievemgr@berhoerster.name>
date Tue, 27 Oct 2020 17:54:58 +0100
parents 0cd5a454dfb4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
0cd5a454dfb4 Add README file
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents: 0
diff changeset
1 // Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
0
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
2 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
3 // Permission is hereby granted, free of charge, to any person obtaining
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
4 // a copy of this software and associated documentation files (the
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
5 // "Software"), to deal in the Software without restriction, including
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
6 // without limitation the rights to use, copy, modify, merge, publish,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
7 // distribute, sublicense, and/or sell copies of the Software, and to
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
8 // permit persons to whom the Software is furnished to do so, subject to
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
9 // the following conditions:
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
10 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
11 // The above copyright notice and this permission notice shall be included
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
12 // in all copies or substantial portions of the Software.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
13 //
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
21
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
22 package main
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
23
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
24 import (
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
25 "flag"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
26 "fmt"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
27 "strings"
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
28 )
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
29
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
30 type command struct {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
31 UsageLine string
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
32 Flag flag.FlagSet
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
33 Run func(cmd *command, args []string) error
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
34 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
35
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
36 func (c *command) Usage() {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
37 fmt.Fprintf(flag.CommandLine.Output(), "usage:\n %s %s\n",
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
38 flag.CommandLine.Name(), c.UsageLine)
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
39 fmt.Fprintln(flag.CommandLine.Output(), "options:")
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
40 c.Flag.PrintDefaults()
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
41 }
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
42
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
43 func (c *command) Name() string {
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
44 return strings.SplitN(strings.Trim(c.UsageLine, " "), " ", 2)[0]
b00673734e58 Initial revision
Guido Berhoerster <guido+sievemgr@berhoerster.name>
parents:
diff changeset
45 }