public DmNode CreateChild(DmQName name)
{
if (_childs == null)
_childs = new Dictionary<DmQName, DmNode>();
DmNode node;
if (_childs.TryGetValue(name, out node))
return node;
node = new DmElement(name);
node._parent = this;
_childs.Add(name, node);
return node;
}
public DmNode CreateAttribute(DmQName name)
{
if (_attributes == null)
_attributes = new Dictionary<DmQName, DmNode>();
DmNode node;
if (_attributes.TryGetValue(name, out node))
return node;
node = new DmAttribute(name);
node._parent = this;
_attributes.Add(name, node);
return node;
}
public DmNode CreateChildPI(string name, XmlNameTable nameTable)
{
DmQName id = new DmQName(String.Empty, name, DmPI.InternalNs, nameTable);
if (_childs == null)
_childs = new Dictionary<DmQName, DmNode>();
DmNode node;
if (_childs.TryGetValue(id, out node))
return node;
node = new DmPI(id.localName);
node._parent = this;
_childs.Add(id, node);
return node;
}
public override void WriteStartAttribute(string prefix, string localName, string namespaceUri)
{
if (context == null)
throw new XQueryException(Properties.Resources.InvalidAttributeSequence);
if (prefix == null)
prefix = String.Empty;
if (localName == null)
throw new ArgumentException();
if (namespaceUri == null)
namespaceUri = String.Empty;
if (!cflag || _text != null)
throw new XQueryException(Properties.Resources.XQTY0024, new XmlQualifiedName(localName, namespaceUri));
_state = WriteState.Attribute;
_attr_text = null;
DmNode node = context.node;
XdmElement element = context.element;
if (namespaceUri == xmlns)
{
ns2 = new XdmNamespace();
ns2._name = String.IsNullOrEmpty(prefix) ?
String.Empty : localName;
nsflag = true;
if (NamespaceManager != null)
{
if (!context.scopeFlag)
{
NamespaceManager.PushScope();
context.scopeFlag = true;
}
}
}
else
{
if (attr == null)
element._attributes = attr = new XdmAttribute();
else
{
XdmAttribute tmp = new XdmAttribute();
attr._next = tmp;
attr = tmp;
}
if (NamespaceManager != null && prefix != "")
{
string ns = NamespaceManager.LookupNamespace(prefix);
if (ns != null && ns != namespaceUri)
{
prefix = NamespaceManager.LookupPrefix(namespaceUri);
if (prefix == null)
{ // Generate new prefix
int k = 1;
do
{
prefix = String.Format("ns{0}", k++);
}
while (NamespaceManager.LookupNamespace(prefix) != null);
NamespaceManager.AddNamespace(prefix, namespaceUri);
}
}
}
DmQName name = new DmQName(prefix, localName, namespaceUri, NameTable);
attr._dm = (DmAttribute)context.node.CreateAttribute(name);
nsflag = false;
if (hs != null)
{
if (hs.Contains(name))
throw new XQueryException(Properties.Resources.XQDY0025,
new XmlQualifiedName(node.LocalName, node.NamespaceURI),
new XmlQualifiedName(localName, namespaceUri));
hs.Add(name);
}
}
}
public DmElement(DmQName name)
{
_name = name;
}
public DmAttribute(DmQName name)
{
_name = name;
}