func (h *Hyphenator) Hyphenate(s, hyphen string) (string, bool) {
var sc scanner.Scanner
sc.Init(strings.NewReader(s))
sc.Mode = scanner.ScanIdents
sc.Whitespace = 0
var outstr string
tok := sc.Scan()
for tok != scanner.EOF {
switch tok {
case scanner.Ident:
// a word (or part thereof) to hyphenate
t := sc.TokenText()
// try the exceptions first
exc := h.exceptions[t]
if len(exc) != 0 {
if hyphen != `-` {
strings.Replace(exc, `-`, hyphen, -1)
}
return exc, true
}
// not an exception, hyphenate normally
outstr += h.hyphenateWord(sc.TokenText(), hyphen)
default:
// A Unicode rune to append to the output
p := make([]byte, utf8.UTFMax)
l := utf8.EncodeRune(tok, p)
outstr += string(p[0:l])
}
tok = sc.Scan()
}
return outstr, true
}