complete/args.go

50 lines
1.3 KiB
Go

package complete
// Args describes command line arguments
type Args struct {
// All lists of all arguments in command line (not including the command itself)
All []string
// Completed lists of all completed arguments in command line,
// If the last one is still being typed - no space after it,
// it won't appear in this list of arguments.
Completed []string
// Last argument in command line, the one being typed, if the last
// character in the command line is a space, this argument will be empty,
// otherwise this would be the last word.
Last string
// LastCompleted is the last argument that was fully typed.
// If the last character in the command line is space, this would be the
// last word, otherwise, it would be the word before that.
LastCompleted string
}
func newArgs(line []string) Args {
completed := removeLast(line)
return Args{
All: line[1:],
Completed: completed,
Last: last(line),
LastCompleted: last(completed),
}
}
func (a Args) from(i int) Args {
a.All = a.All[i:]
a.Completed = a.Completed[i:]
return a
}
func removeLast(a []string) []string {
if len(a) > 0 {
return a[:len(a)-1]
}
return a
}
func last(args []string) (last string) {
if len(args) > 0 {
last = args[len(args)-1]
}
return
}