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package prep
// this is a work in progress
// Versioned is the interface that the destination struct should implement to
// make a version string appear at the top of the help message.
type appnameI interface {
// Version returns the version string that will be printed on a line by itself
// at the top of the help message.
Appname() string
}
type autoFuncI interface {
// Version returns the version string that will be printed on a line by itself
// at the top of the help message.
DoAutoComplete(*Auto)
}
type buildtimeI interface {
Buildtime() (string, string)
}
type examplesI interface {
// Version returns the version string that will be printed on a line by itself
// at the top of the help message.
Examples() string
}
type exitI interface {
// Version returns the version string that will be printed on a line by itself
// at the top of the help message.
Exit()
}
// Described is the interface that the destination struct should implement to
func findAppInfo(tmp interface{}) {
if tmp, ok := tmp.(appnameI); ok {
myAuto.appName = tmp.Appname()
} else {
panic("you must define in your app the function: (argv) func Appname() string")
}
if tmp, ok := tmp.(buildtimeI); ok {
myAuto.buildtime = tmp.Buildtime
} else {
// panic("you need to make the function argv.Appname()")
}
if tmp, ok := tmp.(examplesI); ok {
myAuto.examples = tmp.Examples
} else {
// panic("you need to make the function argv.Appname()")
}
if tmp, ok := tmp.(autoFuncI); ok {
myAuto.autoFunc = tmp.DoAutoComplete
} else {
// panic("you need to make the function argv.DoAutoComplete()")
}
if tmp, ok := tmp.(exitI); ok {
myAuto.appExit = tmp.Exit
} else {
// panic("you need to make the function argv.Exit()")
}
}
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