76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
![]() |
package complete
|
||
|
|
||
|
import (
|
||
|
"os"
|
||
|
"path/filepath"
|
||
|
)
|
||
|
|
||
|
// 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
|
||
|
}
|
||
|
|
||
|
// Directory gives the directory of the current written
|
||
|
// last argument if it represents a file name being written.
|
||
|
// in case that it is not, we fall back to the current directory.
|
||
|
func (a Args) Directory() string {
|
||
|
if info, err := os.Stat(a.Last); err == nil && info.IsDir() {
|
||
|
return fixPathForm(a.Last, a.Last)
|
||
|
}
|
||
|
dir := filepath.Dir(a.Last)
|
||
|
if info, err := os.Stat(dir); err != nil || !info.IsDir() {
|
||
|
return "./"
|
||
|
}
|
||
|
return fixPathForm(a.Last, dir)
|
||
|
}
|
||
|
|
||
|
func newArgs(line []string) Args {
|
||
|
completed := removeLast(line[1:])
|
||
|
return Args{
|
||
|
All: line[1:],
|
||
|
Completed: completed,
|
||
|
Last: last(line),
|
||
|
LastCompleted: last(completed),
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (a Args) from(i int) Args {
|
||
|
if i > len(a.All) {
|
||
|
i = len(a.All)
|
||
|
}
|
||
|
a.All = a.All[i:]
|
||
|
|
||
|
if i > len(a.Completed) {
|
||
|
i = len(a.Completed)
|
||
|
}
|
||
|
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
|
||
|
}
|