/**
* In case an object is an array, a dictionary or a stream,
* we need to loop over the entries and process them one by one.
* @param object the object to examine
*/
protected void LoopOver(PdfObject @object)
{
switch (@object.Type)
{
case PdfObject.ARRAY:
PdfArray array = (PdfArray)@object;
for (int i = 0; i < array.Size; i++)
{
Process(array.GetDirectObject(i));
}
break;
case PdfObject.DICTIONARY:
case PdfObject.STREAM:
PdfDictionary dict = (PdfDictionary)@object;
if (dict.IsPages())
{
break;
}
foreach (PdfName name in dict.Keys)
{
Process(dict.GetDirectObject(name));
}
break;
}
}
private void AddPagesFromDict(PdfObject dictRef, IList <PdfDictionary> pages, IList <RefKey> pagesRef)
{
PdfDictionary dict = (PdfDictionary)PdfReader.GetPdfObject(dictRef);
if (dict.IsPages())
{
PdfArray kids = dict.GetAsArray(PdfName.KIDS);
if (kids == null)
{
return;
}
foreach (PdfObject kid in kids)
{
AddPagesFromDict(kid, pages, pagesRef);
}
}
else if (dict.IsPage())
{
pages.Add(dict);
pagesRef.Add(new RefKey((PRIndirectReference)dictRef));
}
}