void addRange(PdfString from, PdfString to, PdfObject code) {
byte[] a1 = decodeStringToByte(from);
byte[] a2 = decodeStringToByte(to);
if (a1.length != a2.length || a1.length == 0)
throw new IllegalArgumentException("Invalid map.");
byte[] sout = null;
if (code instanceof PdfString) sout = decodeStringToByte((PdfString) code);
int start = byteArrayToInt(a1);
int end = byteArrayToInt(a2);
for (int k = start; k <= end; ++k) {
intToByteArray(k, a1);
PdfString s = new PdfString(a1);
s.setHexWriting(true);
if (code instanceof PdfArray) {
addChar(s, ((PdfArray) code).getPdfObject(k - start));
} else if (code instanceof PdfNumber) {
int nn = ((PdfNumber) code).intValue() + k - start;
addChar(s, new PdfNumber(nn));
} else if (code instanceof PdfString) {
PdfString s1 = new PdfString(sout);
s1.setHexWriting(true);
++sout[sout.length - 1];
addChar(s, s1);
}
}
}
public String decodeStringToUnicode(PdfString ps) {
if (ps.isHexWriting()) return PdfEncodings.convertToString(ps.getBytes(), "UnicodeBigUnmarked");
else return ps.toUnicodeString();
}
public static byte[] decodeStringToByte(PdfString s) {
byte[] b = s.getBytes();
byte[] br = new byte[b.length];
System.arraycopy(b, 0, br, 0, b.length);
return br;
}
