private String translateString(final String trantab, String inbuf) {
try {
if (inbuf.length() == 0) {
return "";
}
HyphenatedString hyphenatedInbuf = null;
boolean preHyphenated =
inbuf.contains(String.valueOf(TXT_SOFT_HYPHEN)) || inbuf.contains(String.valueOf('-'));
if (preHyphenated) {
hyphenatedInbuf = new HyphenatedString(inbuf, TXT_SOFT_HYPHEN);
inbuf = hyphenatedInbuf.getUnhyphenatedString();
}
final int inlen = inbuf.length();
final int maxOutlen = OUT_IN_RATIO * inlen;
final byte[] inbufArray = inbuf.getBytes(encoding);
final byte[] outbufArray = new byte[charSize * maxOutlen];
final IntByReference pInlen = new IntByReference(inlen);
final IntByReference pOutlen = new IntByReference(maxOutlen);
int[] outputPosArray = null;
if (preHyphenated) {
outputPosArray = new int[maxOutlen];
}
if (INSTANCE.lou_translate(
trantab,
inbufArray,
pInlen,
outbufArray,
pOutlen,
null,
null,
null,
outputPosArray,
null,
0)
== 0) {
throw new RuntimeException("Unable to complete translation");
}
int outlen = pOutlen.getValue();
String outbuf = new String(outbufArray, 0, outlen * charSize, encoding);
if (preHyphenated) {
try {
outputPosArray = Arrays.copyOf(outputPosArray, outlen);
boolean[] inHyphenPos = hyphenatedInbuf.getHyphenPoints();
boolean[] outHyphenPos = convertHyphenPos(inHyphenPos, outputPosArray);
HyphenatedString hyphenatedOutbuf = new HyphenatedString(outbuf, outHyphenPos);
outbuf = hyphenatedOutbuf.getFullyHyphenatedString(BRL_SOFT_HYPHEN);
// Replace 't' hyphen points after a hard hyphen (not a non-breaking hyphen) by 'm'
outbuf = outbuf.replaceAll("-" + BRL_SOFT_HYPHEN, BRL_HARD_HYPHEN);
} catch (RuntimeException e) {
// Don't hyphenate the text when an exception occurs.
}
}
// Replace non-breaking hyphens with a normal hyphen
outbuf = outbuf.replaceAll("\u2011", "-");
return outbuf;
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Encoding not supported by JVM:" + encoding);
}
}
private Louis() {
INSTANCE = (LouisLibrary) Native.loadLibrary(("louis"), LouisLibrary.class);
charSize = INSTANCE.lou_charSize();
switch (charSize) {
case 2:
encoding = "UTF-16LE";
break;
case 4:
encoding = "UTF-32LE";
break;
default:
throw new RuntimeException("unsuported char size configured in liblouis: " + charSize);
}
}
public String version() {
return INSTANCE.lou_version();
}
public void louFree() {
INSTANCE.lou_free();
}