func Do(p PrefixCompleterInterface, line []rune, pos int) (newLine [][]rune, offset int) {
line = line[:pos]
goNext := false
var lineCompleter PrefixCompleterInterface
for _, child := range p.GetChildren() {
childName := child.GetName()
if len(line) >= len(childName) {
if runes.HasPrefix(line, childName) {
if len(line) == len(childName) {
newLine = append(newLine, []rune{' '})
} else {
newLine = append(newLine, childName)
}
offset = len(childName)
lineCompleter = child
goNext = true
}
} else {
if runes.HasPrefix(childName, line) {
newLine = append(newLine, childName[len(line):])
offset = len(line)
lineCompleter = child
}
}
}
if len(newLine) != 1 {
return
}
tmpLine := make([]rune, 0, len(line))
for i := offset; i < len(line); i++ {
if line[i] == ' ' {
continue
}
tmpLine = append(tmpLine, line[i:]...)
return lineCompleter.Do(tmpLine, len(tmpLine))
}
if goNext {
return lineCompleter.Do(nil, 0)
}
return
}
func (p *PrefixCompleter) Do(line []rune, pos int) (newLine [][]rune, offset int) {
line = line[:pos]
goNext := false
var lineCompleter *PrefixCompleter
for _, child := range p.Children {
if len(line) >= len(child.Name) {
if runes.HasPrefix(line, child.Name) {
newLine = append(newLine, child.Name)
offset = len(child.Name)
lineCompleter = child
goNext = true
}
} else {
if runes.HasPrefix(child.Name, line) {
newLine = append(newLine, child.Name[len(line):])
offset = len(line)
lineCompleter = child
}
}
}
if len(newLine) != 1 {
return
}
tmpLine := make([]rune, 0, len(line))
for i := offset; i < len(line); i++ {
if line[i] == ' ' {
continue
}
tmpLine = append(tmpLine, line[i:]...)
return lineCompleter.Do(tmpLine, len(tmpLine))
}
if goNext {
return lineCompleter.Do(nil, 0)
}
return
}