|
private AddXmlName ( string prefix, string localName, string namespaceURI, IXmlSchemaInfo schemaInfo ) : |
||
| prefix | string | |
| localName | string | |
| namespaceURI | string | |
| schemaInfo | IXmlSchemaInfo | |
| Результат | ||
private XmlNode LoadNode(bool skipOverWhitespace)
{
XmlReader r = _reader;
XmlNode parent = null;
XmlElement element;
IXmlSchemaInfo schemaInfo;
do
{
XmlNode node = null;
switch (r.NodeType)
{
case XmlNodeType.Element:
bool fEmptyElement = r.IsEmptyElement;
element = _doc.CreateElement(r.Prefix, r.LocalName, r.NamespaceURI);
element.IsEmpty = fEmptyElement;
if (r.MoveToFirstAttribute())
{
XmlAttributeCollection attributes = element.Attributes;
do
{
XmlAttribute attr = LoadAttributeNode();
attributes.Append(attr); // special case for load
}while (r.MoveToNextAttribute());
r.MoveToElement();
}
// recursively load all children.
if (!fEmptyElement)
{
if (parent != null)
{
parent.AppendChildForLoad(element, _doc);
}
parent = element;
continue;
}
else
{
schemaInfo = r.SchemaInfo;
if (schemaInfo != null)
{
element.XmlName = _doc.AddXmlName(element.Prefix, element.LocalName, element.NamespaceURI, schemaInfo);
}
node = element;
break;
}
case XmlNodeType.EndElement:
if (parent == null)
{
return(null);
}
Debug.Assert(parent.NodeType == XmlNodeType.Element);
schemaInfo = r.SchemaInfo;
if (schemaInfo != null)
{
element = parent as XmlElement;
if (element != null)
{
element.XmlName = _doc.AddXmlName(element.Prefix, element.LocalName, element.NamespaceURI, schemaInfo);
}
}
if (parent.ParentNode == null)
{
return(parent);
}
parent = parent.ParentNode;
continue;
case XmlNodeType.EntityReference:
node = LoadEntityReferenceNode(false);
break;
case XmlNodeType.EndEntity:
Debug.Assert(parent == null);
return(null);
case XmlNodeType.Attribute:
node = LoadAttributeNode();
break;
case XmlNodeType.Text:
node = _doc.CreateTextNode(r.Value);
break;
case XmlNodeType.SignificantWhitespace:
node = _doc.CreateSignificantWhitespace(r.Value);
break;
case XmlNodeType.Whitespace:
if (_preserveWhitespace)
{
node = _doc.CreateWhitespace(r.Value);
break;
}
else if (parent == null && !skipOverWhitespace)
{
// if called from LoadEntityReferenceNode, just return null
return(null);
}
else
{
continue;
}
case XmlNodeType.CDATA:
node = _doc.CreateCDataSection(r.Value);
break;
case XmlNodeType.XmlDeclaration:
node = LoadDeclarationNode();
break;
case XmlNodeType.ProcessingInstruction:
node = _doc.CreateProcessingInstruction(r.Name, r.Value);
break;
case XmlNodeType.Comment:
node = _doc.CreateComment(r.Value);
break;
case XmlNodeType.DocumentType:
node = LoadDocumentTypeNode();
break;
default:
throw UnexpectedNodeType(r.NodeType);
}
Debug.Assert(node != null);
if (parent != null)
{
parent.AppendChildForLoad(node, _doc);
}
else
{
return(node);
}
}while (r.Read());
// when the reader ended before full subtree is read, return whatever we have created so far
if (parent != null)
{
while (parent.ParentNode != null)
{
parent = parent.ParentNode;
}
}
return(parent);
}
private void ValidateElement()
{
_nsManager.PushScope();
XmlElement elementNode = _currentNode as XmlElement;
Debug.Assert(elementNode != null);
XmlAttributeCollection attributes = elementNode.Attributes;
XmlAttribute attr = null;
//Find Xsi attributes that need to be processed before validating the element
string xsiNil = null;
string xsiType = null;
for (int i = 0; i < attributes.Count; i++)
{
attr = attributes[i];
string objectNs = attr.NamespaceURI;
string objectName = attr.LocalName;
Debug.Assert(_nameTable.Get(attr.NamespaceURI) != null);
Debug.Assert(_nameTable.Get(attr.LocalName) != null);
if (Ref.Equal(objectNs, _nsXsi))
{
if (Ref.Equal(objectName, _xsiType))
{
xsiType = attr.Value;
}
else if (Ref.Equal(objectName, _xsiNil))
{
xsiNil = attr.Value;
}
}
else if (Ref.Equal(objectNs, _nsXmlNs))
{
_nsManager.AddNamespace(attr.Prefix.Length == 0 ? string.Empty : attr.LocalName, attr.Value);
}
}
_validator.ValidateElement(elementNode.LocalName, elementNode.NamespaceURI, _schemaInfo, xsiType, xsiNil, null, null);
ValidateAttributes(elementNode);
_validator.ValidateEndOfAttributes(_schemaInfo);
//If element has children, drill down
for (XmlNode child = elementNode.FirstChild; child != null; child = child.NextSibling)
{
ValidateNode(child);
}
//Validate end of element
_currentNode = elementNode; //Reset current Node for validation call back
_validator.ValidateEndElement(_schemaInfo);
//Get XmlName, as memberType / validity might be set now
if (_psviAugmentation)
{
elementNode.XmlName = _document.AddXmlName(elementNode.Prefix, elementNode.LocalName, elementNode.NamespaceURI, _schemaInfo);
if (_schemaInfo.IsDefault)
{ //the element has a default value
XmlText textNode = _document.CreateTextNode(_schemaInfo.SchemaElement.ElementDecl.DefaultValueRaw);
elementNode.AppendChild(textNode);
}
}
_nsManager.PopScope(); //Pop current namespace scope
}
protected internal XmlElement(string?prefix, string localName, string?namespaceURI, XmlDocument doc)
: this(doc.AddXmlName(prefix, localName, namespaceURI, null), true, doc)
{
}
protected internal XmlElement(string prefix, string localName, string namespaceURI, XmlDocument doc) : this(doc.AddXmlName(prefix, localName, namespaceURI, null), true, doc)
{
}