// constructors
/**
* Constructs a new <CODE>PdfBody</CODE>.
* @param writer
*/
internal protected PdfBody(PdfWriter writer) {
xrefs = new OrderedTree();
xrefs[new PdfCrossReference(0, 0, GENERATION_MAX)] = null;
position = writer.Os.Counter;
refnum = 1;
this.writer = writer;
}
/**
* Adds the names of the named destinations to the catalog.
* @param localDestinations the local destinations
* @param documentJavaScript the javascript used in the document
* @param writer the writer the catalog applies to
*/
internal void AddNames(OrderedTree localDestinations, Hashtable documentLevelJS, Hashtable documentFileAttachment, PdfWriter writer) {
if (localDestinations.Count == 0 && documentLevelJS.Count == 0 && documentFileAttachment.Count == 0)
return;
PdfDictionary names = new PdfDictionary();
if (localDestinations.Count > 0) {
PdfArray ar = new PdfArray();
foreach (String name in localDestinations.Keys) {
Object[] obj = (Object[])localDestinations[name];
if (obj[2] == null) //no destination
continue;
PdfIndirectReference refi = (PdfIndirectReference)obj[1];
ar.Add(new PdfString(name, null));
ar.Add(refi);
}
if (ar.Size > 0) {
PdfDictionary dests = new PdfDictionary();
dests.Put(PdfName.NAMES, ar);
names.Put(PdfName.DESTS, writer.AddToBody(dests).IndirectReference);
}
}
if (documentLevelJS.Count > 0) {
PdfDictionary tree = PdfNameTree.WriteTree(documentLevelJS, writer);
names.Put(PdfName.JAVASCRIPT, writer.AddToBody(tree).IndirectReference);
}
if (documentFileAttachment.Count > 0) {
names.Put(PdfName.EMBEDDEDFILES, writer.AddToBody(PdfNameTree.WriteTree(documentFileAttachment, writer)).IndirectReference);
}
if (names.Size > 0)
Put(PdfName.NAMES, writer.AddToBody(names).IndirectReference);
}
/**
* Adds the local destinations to the body of the document.
* @param dest the <CODE>Hashtable</CODE> containing the destinations
* @throws IOException on error
*/
internal void AddLocalDestinations(OrderedTree dest)
{
foreach (String name in dest.Keys) {
Object[] obj = (Object[])dest[name];
PdfDestination destination = (PdfDestination)obj[2];
if (destination == null)
throw new Exception("The name '" + name + "' has no local destination.");
if (obj[1] == null)
obj[1] = PdfIndirectReference;
AddToBody(destination, (PdfIndirectReference)obj[1]);
}
}
/**
* Adds the local destinations to the body of the document.
* @param dest the <CODE>Hashtable</CODE> containing the destinations
* @throws IOException on error
*/
internal void AddLocalDestinations(OrderedTree dest) {
foreach (String name in dest.Keys) {
Object[] obj = (Object[])dest[name];
PdfDestination destination = (PdfDestination)obj[2];
if (obj[1] == null)
obj[1] = PdfIndirectReference;
if (destination == null)
AddToBody(new PdfString("invalid_" + name), (PdfIndirectReference)obj[1]);
else
AddToBody(destination, (PdfIndirectReference)obj[1]);
}
}