/// <include file='doc\XmlNamespaceManager.uex' path='docs/doc[@for="XmlNamespaceManager.PushScope"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual void PushScope()
{
Scope current = (Scope)scopes.Push();
if (current == null)
{
current = new Scope();
scopes.AddToTop(current);
}
current.Default = defaultNs;
current.Count = count;
count = 0;
}
/// <include file='doc\XmlNamespaceManager.uex' path='docs/doc[@for="XmlNamespaceManager.AddNamespace"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual void AddNamespace(string prefix, string uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (prefix == null)
{
throw new ArgumentNullException("prefix");
}
prefix = nameTable.Add(prefix);
uri = nameTable.Add(uri);
if (Ref.Equal(xml, prefix) || Ref.Equal(xmlNs, prefix))
{
throw new ArgumentException(Res.GetString(Res.Xml_InvalidPrefix));
}
for (int declIndex = decls.Length - 1; declIndex >= decls.Length - count; declIndex--)
{
NsDecl decl = (NsDecl)decls[declIndex];
if (Ref.Equal(decl.Prefix, prefix))
{
decl.Uri = uri;
return; // redefine
}
} /* else */
{
NsDecl decl = (NsDecl)decls.Push();
if (decl == null)
{
decl = new NsDecl();
decls.AddToTop(decl);
}
decl.Prefix = prefix;
decl.Uri = uri;
count++;
if (prefix == string.Empty)
{
defaultNs = decl;
}
}
}
internal OutputScopeManager(XmlNameTable nameTable, OutKeywords atoms)
{
Debug.Assert(nameTable != null);
Debug.Assert(atoms != null);
_elementScopesStack = new HWStack(STACK_INCREMENT);
_nameTable = nameTable;
_atoms = atoms;
_defaultNS = _atoms.Empty;
// We always adding rootElementScope to garantee that CurrentElementScope != null
// This context is active between PI and first element for example
OutputScope rootElementScope = (OutputScope)_elementScopesStack.Push();
if (rootElementScope == null)
{
rootElementScope = new OutputScope();
_elementScopesStack.AddToTop(rootElementScope);
}
rootElementScope.Init(string.Empty, string.Empty, string.Empty, /*space:*/XmlSpace.None, /*lang:*/string.Empty, /*mixed:*/false);
}
