func (seg *Segmenter) cutDAG(sentence string) <-chan string {
result := make(chan string)
go func() {
runes := []rune(sentence)
routes := seg.calc(runes)
var y int
length := len(runes)
var buf []rune
for x := 0; x < length; {
y = routes[x].index + 1
frag := runes[x:y]
if y-x == 1 {
buf = append(buf, frag...)
} else {
if len(buf) > 0 {
bufString := string(buf)
if len(buf) == 1 {
result <- bufString
} else {
if v, ok := seg.dict.Frequency(bufString); !ok || v == 0.0 {
for x := range finalseg.Cut(bufString) {
result <- x
}
} else {
for _, elem := range buf {
result <- string(elem)
}
}
}
buf = make([]rune, 0)
}
result <- string(frag)
}
x = y
}
if len(buf) > 0 {
bufString := string(buf)
if len(buf) == 1 {
result <- bufString
} else {
if v, ok := seg.dict.Frequency(bufString); !ok || v == 0.0 {
for t := range finalseg.Cut(bufString) {
result <- t
}
} else {
for _, elem := range buf {
result <- string(elem)
}
}
}
}
close(result)
}()
return result
}
func cut_DAG(sentence string) []string {
dag := GetDAG(sentence)
routes := Calc(sentence, dag, 0)
x := 0
var y int
runes := []rune(sentence)
length := len(runes)
result := make([]string, 0)
buf := make([]rune, 0)
for {
if x >= length {
break
}
y = routes[x].Index + 1
l_word := runes[x:y]
if y-x == 1 {
buf = append(buf, l_word...)
} else {
if len(buf) > 0 {
if len(buf) == 1 {
result = append(result, string(buf))
buf = make([]rune, 0)
} else {
bufString := string(buf)
if _, ok := TT.Freq[bufString]; !ok {
recognized := finalseg.Cut(bufString)
for _, t := range recognized {
result = append(result, t)
}
} else {
for _, elem := range buf {
result = append(result, string(elem)) // TODO: I don't get this?
}
}
buf = make([]rune, 0)
}
}
result = append(result, string(l_word))
}
x = y
}
if len(buf) > 0 {
if len(buf) == 1 {
result = append(result, string(buf))
} else {
bufString := string(buf)
if _, ok := TT.Freq[bufString]; !ok {
recognized := finalseg.Cut(bufString)
for _, t := range recognized {
result = append(result, t)
}
} else {
for _, elem := range buf {
result = append(result, string(elem)) // TODO: I don't get this?
}
}
}
}
return result
}