/**
* Sets the XFA key from a byte array. The old XFA is erased.
* @param form the data
* @param reader the reader
* @param writer the writer
* @throws java.io.IOException on error
*/
public static void SetXfa(XfaForm form, PdfReader reader, PdfWriter writer)
{
PdfDictionary af = (PdfDictionary)PdfReader.GetPdfObjectRelease(reader.Catalog.Get(PdfName.ACROFORM));
if (af == null)
{
return;
}
PdfObject xfa = GetXfaObject(reader);
if (xfa.IsArray())
{
PdfArray ar = (PdfArray)xfa;
int t = -1;
int d = -1;
for (int k = 0; k < ar.Size; k += 2)
{
PdfString s = ar.GetAsString(k);
if ("template".Equals(s.ToString()))
{
t = k + 1;
}
if ("datasets".Equals(s.ToString()))
{
d = k + 1;
}
}
if (t > -1 && d > -1)
{
reader.KillXref(ar.GetAsIndirectObject(t));
reader.KillXref(ar.GetAsIndirectObject(d));
PdfStream tStream = new PdfStream(SerializeDoc(form.templateNode));
tStream.FlateCompress(writer.CompressionLevel);
ar[t] = writer.AddToBody(tStream).IndirectReference;
PdfStream dStream = new PdfStream(SerializeDoc(form.datasetsNode));
dStream.FlateCompress(writer.CompressionLevel);
ar[d] = writer.AddToBody(dStream).IndirectReference;
af.Put(PdfName.XFA, new PdfArray(ar));
return;
}
}
reader.KillXref(af.Get(PdfName.XFA));
PdfStream str = new PdfStream(SerializeDoc(form.domDocument));
str.FlateCompress(writer.CompressionLevel);
PdfIndirectReference refe = writer.AddToBody(str).IndirectReference;
af.Put(PdfName.XFA, refe);
}
private void FillMetrics(byte[] touni, IntHashtable widths, int dw)
{
PdfContentParser ps = new PdfContentParser(new PRTokeniser(new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateSource(touni))));
PdfObject ob = null;
bool notFound = true;
int nestLevel = 0;
int maxExc = 50;
while ((notFound || nestLevel > 0))
{
try {
ob = ps.ReadPRObject();
}
catch {
if (--maxExc < 0)
{
break;
}
continue;
}
if (ob == null)
{
break;
}
if (ob.Type == PdfContentParser.COMMAND_TYPE)
{
if (ob.ToString().Equals("begin"))
{
notFound = false;
nestLevel++;
}
else if (ob.ToString().Equals("end"))
{
nestLevel--;
}
else if (ob.ToString().Equals("beginbfchar"))
{
while (true)
{
PdfObject nx = ps.ReadPRObject();
if (nx.ToString().Equals("endbfchar"))
{
break;
}
String cid = DecodeString((PdfString)nx);
String uni = DecodeString((PdfString)ps.ReadPRObject());
if (uni.Length == 1)
{
int cidc = (int)cid[0];
int unic = (int)uni[uni.Length - 1];
int w = dw;
if (widths.ContainsKey(cidc))
{
w = widths[cidc];
}
metrics[unic] = new int[] { cidc, w };
}
}
}
else if (ob.ToString().Equals("beginbfrange"))
{
while (true)
{
PdfObject nx = ps.ReadPRObject();
if (nx.ToString().Equals("endbfrange"))
{
break;
}
String cid1 = DecodeString((PdfString)nx);
String cid2 = DecodeString((PdfString)ps.ReadPRObject());
int cid1c = (int)cid1[0];
int cid2c = (int)cid2[0];
PdfObject ob2 = ps.ReadPRObject();
if (ob2.IsString())
{
String uni = DecodeString((PdfString)ob2);
if (uni.Length == 1)
{
int unic = (int)uni[uni.Length - 1];
for (; cid1c <= cid2c; cid1c++, unic++)
{
int w = dw;
if (widths.ContainsKey(cid1c))
{
w = widths[cid1c];
}
metrics[unic] = new int[] { cid1c, w };
}
}
}
else
{
PdfArray a = (PdfArray)ob2;
for (int j = 0; j < a.Size; ++j, ++cid1c)
{
String uni = DecodeString(a.GetAsString(j));
if (uni.Length == 1)
{
int unic = (int)uni[uni.Length - 1];
int w = dw;
if (widths.ContainsKey(cid1c))
{
w = widths[cid1c];
}
metrics[unic] = new int[] { cid1c, w };
}
}
}
}
}
}
}
}
private void FillMetrics(byte[] touni, IntHashtable widths, int dw)
{
PdfContentParser ps = new PdfContentParser(new PRTokeniser(touni));
PdfObject ob = null;
PdfObject last = null;
while ((ob = ps.ReadPRObject()) != null)
{
if (ob.Type == PdfContentParser.COMMAND_TYPE)
{
if (ob.ToString().Equals("beginbfchar"))
{
int n = ((PdfNumber)last).IntValue;
for (int k = 0; k < n; ++k)
{
String cid = DecodeString((PdfString)ps.ReadPRObject());
String uni = DecodeString((PdfString)ps.ReadPRObject());
if (uni.Length == 1)
{
int cidc = (int)cid[0];
int unic = (int)uni[uni.Length - 1];
int w = dw;
if (widths.ContainsKey(cidc))
{
w = widths[cidc];
}
metrics[unic] = new int[] { cidc, w };
}
}
}
else if (ob.ToString().Equals("beginbfrange"))
{
int n = ((PdfNumber)last).IntValue;
for (int k = 0; k < n; ++k)
{
String cid1 = DecodeString((PdfString)ps.ReadPRObject());
String cid2 = DecodeString((PdfString)ps.ReadPRObject());
int cid1c = (int)cid1[0];
int cid2c = (int)cid2[0];
PdfObject ob2 = ps.ReadPRObject();
if (ob2.IsString())
{
String uni = DecodeString((PdfString)ob2);
if (uni.Length == 1)
{
int unic = (int)uni[uni.Length - 1];
for (; cid1c <= cid2c; cid1c++, unic++)
{
int w = dw;
if (widths.ContainsKey(cid1c))
{
w = widths[cid1c];
}
metrics[unic] = new int[] { cid1c, w };
}
}
}
else
{
PdfArray a = (PdfArray)ob2;
for (int j = 0; j < a.Size; ++j, ++cid1c)
{
String uni = DecodeString(a.GetAsString(j));
if (uni.Length == 1)
{
int unic = (int)uni[uni.Length - 1];
int w = dw;
if (widths.ContainsKey(cid1c))
{
w = widths[cid1c];
}
metrics[unic] = new int[] { cid1c, w };
}
}
}
}
}
}
else
{
last = ob;
}
}
}
