// WrapAsEqualer breaks string into a slice of strings.
// Each string is then converted to <Token> to <Equaler>.
// []<Equaler> can then be pumped into the generic core.
// We could as well create slices of Equalers in the first place
// but first leads to a var farTooUglyLiteral =
// []ls_core.Equaler{ls_core.Equaler(Token("trink")), ls_core.Equaler(Token("nicht"))}
func WrapAsEqualer(s string, sorted bool) []ls_core.Equaler {
ss := stringspb.SplitByWhitespace(s)
if sorted {
sort.Strings(ss)
// weed out doublettes
su, prev := make([]string, 0, len(ss)), ""
for _, v := range ss {
if v == prev {
continue
}
su = append(su, v)
prev = v
}
ss = su
}
ret := make([]ls_core.Equaler, 0, len(ss))
for _, v := range ss {
cnv := ls_core.Equaler(Token(v))
ret = append(ret, cnv)
}
return ret
}
// See word.WrapAsEqualer
func WrapAsEqualer(sb []byte, sorted bool) []ls_core.Equaler {
sbf := bytes.Fields(sb)
if sorted {
sort.Sort(sortBoB(sbf))
// weed out doublettes
su, prev := make([][]byte, 0, len(sbf)), []byte{}
for _, v := range sbf {
if bytes.Equal(v, prev) {
continue
}
su = append(su, v)
prev = v
}
sbf = su
}
ret := make([]ls_core.Equaler, 0, len(sbf))
for _, v := range sbf {
cnv := ls_core.Equaler(Token(v))
ret = append(ret, cnv)
}
return ret
}
// WrapAsEqualer wraps slice of tokens into interface type Equaler.
// Since our core implementation requires such slices.
func WrapAsEqualer(sl1 []Token) []ls_core.Equaler {
var ret []ls_core.Equaler
for _, v := range sl1 {
cnv := ls_core.Equaler(v)
ret = append(ret, cnv)
}
return ret
}
