@Override
public JapaneseTokenizer init(final byte[] txt) {
String source = string(txt);
if (wc) { // convert wide-space to space
source = source.replace('\u3000', '\u0020');
}
final ArrayList<?> morpheme = (ArrayList<?>) Reflect.invoke(parse, tagger, source);
final ArrayList<Morpheme> list = new ArrayList<>();
try {
int prev = 0;
final int ms = morpheme.size();
for (int i = 0; i < ms; i++) {
final Object m = morpheme.get(i);
final String srfc = surface.get(m).toString();
final String ftr = feature.get(m).toString();
final int strt = start.getInt(m);
if (i != 0) {
final int l = strt - prev;
if (l != 0) {
list.add(new Morpheme(source.substring(strt - 1, strt + l - 1), KIGOU_FEATURE));
}
}
prev = srfc.length() + strt;
// separates continuous mark (ASCII)
boolean cont = true;
final ArrayList<Morpheme> marks = new ArrayList<>();
final int sl = srfc.length();
for (int s = 0; s < sl; s++) {
final String c = String.valueOf(srfc.charAt(s));
final byte[] t = token(c);
if (t.length == 1) {
if (letter(t[0]) || digit(t[0])) cont = false;
else marks.add(new Morpheme(c, KIGOU_FEATURE));
} else {
cont = false;
}
}
if (cont) list.addAll(marks);
else list.add(new Morpheme(srfc, ftr));
}
} catch (final Exception ex) {
Util.errln(Util.className(this) + ": " + ex);
}
tokenList = list;
tokens = list.iterator();
return this;
}
static {
IOFile dic = null;
if (Reflect.available(PATTERN)) {
dic = new IOFile(LANG);
if (!dic.exists()) {
dic = new IOFile(Prop.HOME, "etc/" + LANG);
if (!dic.exists()) {
available = false;
}
}
} else {
available = false;
}
if (available) {
Class<?> clz = Reflect.find(PATTERN);
if (clz == null) {
Util.debug("Could not initialize Igo Japanese lexer.");
} else {
/* Igo constructor. */
final Constructor<?> tgr = Reflect.find(clz, String.class);
tagger = Reflect.get(tgr, dic.path());
if (tagger == null) {
available = false;
Util.debug("Could not initialize Igo Japanese lexer.");
} else {
parse = Reflect.method(clz, "parse", CharSequence.class);
if (parse == null) {
Util.debug("Could not initialize Igo lexer method.");
}
clz = Reflect.find("net.reduls.igo.Morpheme");
surface = Reflect.field(clz, "surface");
feature = Reflect.field(clz, "feature");
start = Reflect.field(clz, "start");
}
}
}
}