private void SerObject(PdfObject obj, int level, ByteBuffer bb)
{
if (level <= 0)
{
return;
}
if (obj == null)
{
bb.Append("$Lnull");
return;
}
obj = PdfReader.GetPdfObject(obj);
if (obj.IsStream())
{
bb.Append("$B");
SerDic((PdfDictionary)obj, level - 1, bb);
if (level > 0)
{
md5.Initialize();
bb.Append(md5.ComputeHash(PdfReader.GetStreamBytesRaw((PRStream)obj)));
}
}
else if (obj.IsDictionary())
{
SerDic((PdfDictionary)obj, level - 1, bb);
}
else if (obj.IsArray())
{
SerArray((PdfArray)obj, level - 1, bb);
}
else if (obj.IsString())
{
bb.Append("$S").Append(obj.ToString());
}
else if (obj.IsName())
{
bb.Append("$N").Append(obj.ToString());
}
else
{
bb.Append("$L").Append(obj.ToString());
}
}
/** Add a chained action.
* @param na the next action
*/
public void Next(PdfAction na)
{
PdfObject nextAction = Get(PdfName.NEXT);
if (nextAction == null)
{
Put(PdfName.NEXT, na);
}
else if (nextAction.IsDictionary())
{
PdfArray array = new PdfArray(nextAction);
array.Add(na);
Put(PdfName.NEXT, array);
}
else
{
((PdfArray)nextAction).Add(na);
}
}
/**
* Gets a <CODE>List</CODE> with the bookmarks. It returns <CODE>null</CODE> if
* the document doesn't have any bookmarks.
* @param reader the document
* @return a <CODE>List</CODE> with the bookmarks or <CODE>null</CODE> if the
* document doesn't have any
*/
public static ArrayList GetBookmark(PdfReader reader)
{
PdfDictionary catalog = reader.Catalog;
PdfObject obj = PdfReader.GetPdfObjectRelease(catalog.Get(PdfName.OUTLINES));
if (obj == null || !obj.IsDictionary())
{
return(null);
}
PdfDictionary outlines = (PdfDictionary)obj;
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k)
{
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
return(BookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outlines.Get(PdfName.FIRST)), pages));
}
private static ArrayList BookmarkDepth(PdfReader reader, PdfDictionary outline, IntHashtable pages)
{
ArrayList list = new ArrayList();
while (outline != null)
{
Hashtable map = new Hashtable();
PdfString title = (PdfString)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.TITLE));
map["Title"] = title.ToUnicodeString();
PdfArray color = (PdfArray)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.C));
if (color != null && color.Size == 3)
{
ByteBuffer outp = new ByteBuffer();
outp.Append(color.GetAsNumber(0).FloatValue).Append(' ');
outp.Append(color.GetAsNumber(1).FloatValue).Append(' ');
outp.Append(color.GetAsNumber(2).FloatValue);
map["Color"] = PdfEncodings.ConvertToString(outp.ToByteArray(), null);
}
PdfNumber style = (PdfNumber)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.F));
if (style != null)
{
int f = style.IntValue;
String s = "";
if ((f & 1) != 0)
{
s += "italic ";
}
if ((f & 2) != 0)
{
s += "bold ";
}
s = s.Trim();
if (s.Length != 0)
{
map["Style"] = s;
}
}
PdfNumber count = (PdfNumber)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.COUNT));
if (count != null && count.IntValue < 0)
{
map["Open"] = "false";
}
try {
PdfObject dest = PdfReader.GetPdfObjectRelease(outline.Get(PdfName.DEST));
if (dest != null)
{
MapGotoBookmark(map, dest, pages); //changed by ujihara 2004-06-13
}
else
{
PdfDictionary action = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.A));
if (action != null)
{
if (PdfName.GOTO.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
dest = PdfReader.GetPdfObjectRelease(action.Get(PdfName.D));
if (dest != null)
{
MapGotoBookmark(map, dest, pages);
}
}
else if (PdfName.URI.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
map["Action"] = "URI";
map["URI"] = ((PdfString)PdfReader.GetPdfObjectRelease(action.Get(PdfName.URI))).ToUnicodeString();
}
else if (PdfName.GOTOR.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
dest = PdfReader.GetPdfObjectRelease(action.Get(PdfName.D));
if (dest != null)
{
if (dest.IsString())
{
map["Named"] = dest.ToString();
}
else if (dest.IsName())
{
map["NamedN"] = PdfName.DecodeName(dest.ToString());
}
else if (dest.IsArray())
{
PdfArray arr = (PdfArray)dest;
StringBuilder s = new StringBuilder();
s.Append(arr[0].ToString());
s.Append(' ').Append(arr[1].ToString());
for (int k = 2; k < arr.Size; ++k)
{
s.Append(' ').Append(arr[k].ToString());
}
map["Page"] = s.ToString();
}
}
map["Action"] = "GoToR";
PdfObject file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.F));
if (file != null)
{
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
else if (file.IsDictionary())
{
file = PdfReader.GetPdfObject(((PdfDictionary)file).Get(PdfName.F));
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
}
}
PdfObject newWindow = PdfReader.GetPdfObjectRelease(action.Get(PdfName.NEWWINDOW));
if (newWindow != null)
{
map["NewWindow"] = newWindow.ToString();
}
}
else if (PdfName.LAUNCH.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
map["Action"] = "Launch";
PdfObject file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.F));
if (file == null)
{
file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.WIN));
}
if (file != null)
{
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
else if (file.IsDictionary())
{
file = PdfReader.GetPdfObjectRelease(((PdfDictionary)file).Get(PdfName.F));
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
}
}
}
}
}
}
catch {
//empty on purpose
}
PdfDictionary first = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.FIRST));
if (first != null)
{
map["Kids"] = BookmarkDepth(reader, first, pages);
}
list.Add(map);
outline = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.NEXT));
}
return(list);
}
