53 lines
1 KiB
Go
53 lines
1 KiB
Go
|
|
||
|
|
||
|
package lib
|
||
|
|
||
|
|
||
|
import "flag"
|
||
|
import "fmt"
|
||
|
import "log"
|
||
|
import "os"
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
func Main (_main func () (error)) () {
|
||
|
|
||
|
log.SetFlags (0)
|
||
|
|
||
|
if _error := _main (); _error == nil {
|
||
|
os.Exit (0)
|
||
|
} else {
|
||
|
AbortError (_error, "#")
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
func FlagsParse (_flags *flag.FlagSet, _argumentsMin uint, _argumentsMax uint) ([]string) {
|
||
|
|
||
|
_arguments := os.Args[1:]
|
||
|
|
||
|
if _error := _flags.Parse (_arguments); _error != nil {
|
||
|
AbortError (_error, fmt.Sprintf ("[8fae7a93] failed parsing arguments: `%v`!", _arguments))
|
||
|
}
|
||
|
|
||
|
_flagsNArg := uint (_flags.NArg ())
|
||
|
if _argumentsMin == _argumentsMax {
|
||
|
if _flagsNArg != _argumentsMin {
|
||
|
AbortError (nil, fmt.Sprintf ("[c451f1f8] expected exactly `%d` positional arguments!", _argumentsMin))
|
||
|
}
|
||
|
} else {
|
||
|
if _flagsNArg < _argumentsMin {
|
||
|
AbortError (nil, fmt.Sprintf ("[c451f1f8] expected at least `%d` positional arguments!", _argumentsMin))
|
||
|
}
|
||
|
if _flagsNArg > _argumentsMax {
|
||
|
AbortError (nil, fmt.Sprintf ("[fa0a8c22] expected at most `%d` positional arguments!", _argumentsMax))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return _flags.Args ()
|
||
|
}
|
||
|
|