/// <summary>
/// Creates
/// <c>TagTreePointer</c>
/// instance. After creation
/// <c>TagTreePointer</c>
/// points at the root tag.
/// <p>
/// The
/// <see cref="iText.Kernel.Pdf.Tagging.PdfNamespace"/>
/// for the new tags, which don't explicitly define namespace by the means of
/// <see cref="DefaultAccessibilityProperties.SetNamespace(iText.Kernel.Pdf.Tagging.PdfNamespace)"/>
/// , is set to the value returned by
/// <see cref="TagStructureContext.GetDocumentDefaultNamespace()"/>
/// on
/// <see cref="TagTreePointer"/>
/// creation.
/// See also
/// <see cref="SetNamespaceForNewTags(iText.Kernel.Pdf.Tagging.PdfNamespace)"/>
/// .
/// </p>
/// </summary>
/// <param name="document">the document, at which tag structure this instance will point.</param>
public TagTreePointer(PdfDocument document)
{
// '-1' value of this field means that next new kid will be the last element in the kids array
tagStructureContext = document.GetTagStructureContext();
SetCurrentStructElem(tagStructureContext.GetRootTag());
SetNamespaceForNewTags(tagStructureContext.GetDocumentDefaultNamespace());
}
private void CreateNewRootTag()
{
IRoleMappingResolver mapping;
PdfNamespace docDefaultNs = context.GetDocumentDefaultNamespace();
mapping = context.ResolveMappingToStandardOrDomainSpecificRole(StandardRoles.DOCUMENT, docDefaultNs);
if (mapping == null || mapping.CurrentRoleIsStandard() && !StandardRoles.DOCUMENT.Equals(mapping.GetRole()
))
{
LogCreatedRootTagHasMappingIssue(docDefaultNs, mapping);
}
rootTagElement = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
if (context.TargetTagStructureVersionIs2())
{
rootTagElement.SetNamespace(docDefaultNs);
context.EnsureNamespaceRegistered(docDefaultNs);
}
}
/// <summary>
/// Creates
/// <c>TagTreePointer</c>
/// instance.
/// </summary>
/// <remarks>
/// Creates
/// <c>TagTreePointer</c>
/// instance. After creation
/// <c>TagTreePointer</c>
/// points at the root tag.
/// <para />
/// The
/// <see cref="iText.Kernel.Pdf.Tagging.PdfNamespace"/>
/// for the new tags, which don't explicitly define namespace by the means of
/// <see cref="DefaultAccessibilityProperties.SetNamespace(iText.Kernel.Pdf.Tagging.PdfNamespace)"/>
/// , is set to the value returned by
/// <see cref="TagStructureContext.GetDocumentDefaultNamespace()"/>
/// on
/// <see cref="TagTreePointer"/>
/// creation.
/// See also
/// <see cref="SetNamespaceForNewTags(iText.Kernel.Pdf.Tagging.PdfNamespace)"/>.
/// </remarks>
/// <param name="document">the document, at which tag structure this instance will point.</param>
public TagTreePointer(PdfDocument document)
{
tagStructureContext = document.GetTagStructureContext();
SetCurrentStructElem(tagStructureContext.GetRootTag());
SetNamespaceForNewTags(tagStructureContext.GetDocumentDefaultNamespace());
}