private static IList<Dictionary<String, Object>> BookmarkDepth(PdfReader reader, PdfDictionary outline, IntHashtable pages, bool processCurrentOutlineOnly)
{
List<Dictionary<String, Object>> list = new List<Dictionary<String, Object>>();
while (outline != null) {
Dictionary<String, Object> map = new Dictionary<string,object>();
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.JAVASCRIPT.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S)))) {
map["Action"] = "JS";
map["Code"] = PdfReader.GetPdfObjectRelease(action.Get(PdfName.JS)).ToString();
}
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, false);
}
list.Add(map);
if (!processCurrentOutlineOnly)
outline = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.NEXT));
else
outline = null;
}
return list;
}