go-prompt/filter.go

69 lines
1.3 KiB
Go

package prompt
import "strings"
type CompletionFilter func([]Completion, string, bool) []Completion
func FilterHasPrefix(completions []Completion, sub string, ignoreCase bool) []Completion {
if sub == "" {
return completions
}
if ignoreCase {
sub = strings.ToUpper(sub)
}
ret := make([]Completion, 0, len(completions))
for i := range completions {
c := completions[i].Text
if ignoreCase {
c = strings.ToUpper(c)
}
if strings.HasPrefix(c, sub) {
ret = append(ret, completions[i])
}
}
return ret
}
func FilterHasSuffix(completions []Completion, sub string, ignoreCase bool) []Completion {
if sub == "" {
return completions
}
if ignoreCase {
sub = strings.ToUpper(sub)
}
ret := make([]Completion, 0, len(completions))
for i := range completions {
c := completions[i].Text
if ignoreCase {
c = strings.ToUpper(c)
}
if strings.HasSuffix(c, sub) {
ret = append(ret, completions[i])
}
}
return ret
}
func FilterContains(completions []Completion, sub string, ignoreCase bool) []Completion {
if sub == "" {
return completions
}
if ignoreCase {
sub = strings.ToUpper(sub)
}
ret := make([]Completion, 0, len(completions))
for i := range completions {
c := completions[i].Text
if ignoreCase {
c = strings.ToUpper(c)
}
if strings.Contains(c, sub) {
ret = append(ret, completions[i])
}
}
return ret
}