Files
cloudpods/cmd/cryptool/main.go
2022-12-27 01:21:26 +08:00

88 lines
2.0 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"os"
"yunion.io/x/pkg/util/shellutils"
"yunion.io/x/structarg"
_ "yunion.io/x/onecloud/cmd/cryptool/shell"
)
type BaseOptions struct {
Debug bool `help:"debug mode"`
SUBCOMMAND string `help:"aliyuncli subcommand" subcommand:"true"`
}
func getSubcommandParser() (*structarg.ArgumentParser, error) {
parse, e := structarg.NewArgumentParserWithHelp(&BaseOptions{},
"cryptool",
"Command-line cryptography tools.",
`See "cryptool COMMAND --help" for help on a specific command.`)
if e != nil {
return nil, e
}
subcmd := parse.GetSubcommand()
if subcmd == nil {
return nil, fmt.Errorf("No subcommand argument.")
}
for _, v := range shellutils.CommandTable {
_, e := subcmd.AddSubParserWithHelp(v.Options, v.Command, v.Desc, v.Callback)
if e != nil {
return nil, e
}
}
return parse, nil
}
func showErrorAndExit(e error) {
fmt.Fprintf(os.Stderr, "%s", e)
fmt.Fprintln(os.Stderr)
os.Exit(1)
}
func main() {
parser, e := getSubcommandParser()
if e != nil {
showErrorAndExit(e)
}
e = parser.ParseArgs(os.Args[1:], false)
if parser.IsHelpSet() {
fmt.Print(parser.HelpString())
return
}
subcmd := parser.GetSubcommand()
subparser := subcmd.GetSubParser()
if e != nil || subparser == nil {
if subparser != nil {
fmt.Print(subparser.Usage())
} else {
fmt.Print(parser.Usage())
}
showErrorAndExit(e)
}
suboptions := subparser.Options()
e = subcmd.Invoke(suboptions)
if e != nil {
showErrorAndExit(e)
}
}