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#15: fix prefix completer

This commit is contained in:
Cheney 2015-11-14 10:21:55 +08:00
parent 5ee706df9b
commit 9364259fb1
2 changed files with 12 additions and 6 deletions
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10
complete_helper.go
View File

@ -12,9 +12,7 @@ func NewPrefixCompleter(pc ...*PrefixCompleter) *PrefixCompleter {
} }
func PcItem(name string, pc ...*PrefixCompleter) *PrefixCompleter { func PcItem(name string, pc ...*PrefixCompleter) *PrefixCompleter {
if len(pc) != 0 { name += " "
name += " "
}
return &PrefixCompleter{ return &PrefixCompleter{
Name: []rune(name), Name: []rune(name),
Children: pc, Children: pc,
@ -28,7 +26,11 @@ func (p *PrefixCompleter) Do(line []rune, pos int) (newLine [][]rune, offset int
for _, child := range p.Children { for _, child := range p.Children {
if len(line) >= len(child.Name) { if len(line) >= len(child.Name) {
if runes.HasPrefix(line, child.Name) { if runes.HasPrefix(line, child.Name) {
newLine = append(newLine, child.Name) if len(line) == len(child.Name) {
newLine = append(newLine, []rune{' '})
} else {
newLine = append(newLine, child.Name)
}
offset = len(child.Name) offset = len(child.Name)
lineCompleter = child lineCompleter = child
goNext = true goNext = true

8
example/main.go
View File

@ -33,8 +33,12 @@ var completer = readline.NewPrefixCompleter(
readline.PcItem("bye"), readline.PcItem("bye"),
readline.PcItem("help"), readline.PcItem("help"),
readline.PcItem("go", readline.PcItem("go",
readline.PcItem("build"), readline.PcItem("build", readline.PcItem("-o"), readline.PcItem("-v")),
readline.PcItem("install"), readline.PcItem("install",
readline.PcItem("-v"),
readline.PcItem("-vv"),
readline.PcItem("-vvv"),
),
readline.PcItem("test"), readline.PcItem("test"),
), ),
readline.PcItem("sleep"), readline.PcItem("sleep"),