private void OnChange(XmlElement diffgramElement, XmlDiffPathNodeList matchNodes,
XmlDiffViewParentNode sourceParent, ref XmlDiffViewNode currentPosition)
{
Debug.Assert(matchNodes.Count == 1);
matchNodes.Reset();
matchNodes.MoveNext();
XmlDiffViewNode node = matchNodes.Current;
if (node._nodeType != XmlNodeType.Attribute)
{
currentPosition = node;
}
XmlDiffViewNode.ChangeInfo changeInfo = new XmlDiffViewNode.ChangeInfo();
string name = diffgramElement.HasAttribute("name") ? diffgramElement.GetAttribute("name") : null;
string prefix = diffgramElement.HasAttribute("prefix") ? diffgramElement.GetAttribute("prefix") : null;
string ns = diffgramElement.HasAttribute("ns") ? diffgramElement.GetAttribute("ns") : null;
switch (node._nodeType)
{
case XmlNodeType.Element:
changeInfo._localName = (name == null)? ((XmlDiffViewElement)node)._localName : name;
changeInfo._prefix = (prefix == null) ? ((XmlDiffViewElement)node)._prefix : prefix;
changeInfo._ns = (ns == null) ? ((XmlDiffViewElement)node)._ns : ns;
break;
case XmlNodeType.Attribute:
string value = diffgramElement.InnerText;
if (name == string.Empty && prefix == string.Empty && value == string.Empty)
{
return;
}
changeInfo._localName = (name == null) ? ((XmlDiffViewAttribute)node)._localName : name;
changeInfo._prefix = (prefix == null) ? ((XmlDiffViewAttribute)node)._prefix : prefix;
changeInfo._ns = (ns == null) ? ((XmlDiffViewAttribute)node)._ns : ns;
changeInfo._value = diffgramElement.InnerText;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo._value = diffgramElement.InnerText;
break;
case XmlNodeType.Comment:
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.Comment);
changeInfo._value = diffgramElement.FirstChild.Value;
break;
case XmlNodeType.ProcessingInstruction:
if (name == null)
{
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.ProcessingInstruction);
changeInfo._localName = diffgramElement.FirstChild.Name;
changeInfo._value = diffgramElement.FirstChild.Value;
}
else
{
changeInfo._localName = name;
changeInfo._value = ((XmlDiffViewPI)node)._value;
}
break;
case XmlNodeType.EntityReference:
Debug.Assert(name != null);
changeInfo._localName = name;
break;
case XmlNodeType.XmlDeclaration:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo._value = diffgramElement.InnerText;
break;
case XmlNodeType.DocumentType:
changeInfo._localName = (name == null) ? ((XmlDiffViewDocumentType)node)._name : name;
if (diffgramElement.HasAttribute("publicId"))
{
changeInfo._prefix = diffgramElement.GetAttribute("publicId");
}
else
{
changeInfo._prefix = ((XmlDiffViewDocumentType)node)._publicId;
}
if (diffgramElement.HasAttribute("systemId"))
{
changeInfo._ns = diffgramElement.GetAttribute("systemId");
}
else
{
changeInfo._ns = ((XmlDiffViewDocumentType)node)._systemId;
}
if (diffgramElement.FirstChild != null)
{
changeInfo._value = diffgramElement.InnerText;
}
else
{
changeInfo._value = ((XmlDiffViewDocumentType)node)._subset;
}
break;
default:
Debug.Assert(false, "Invalid node type.");
break;
}
node._changeInfo = changeInfo;
node._op = XmlDiffViewOperation.Change;
string opidAttr = diffgramElement.GetAttribute("opid");
if (opidAttr != string.Empty)
{
node._opid = int.Parse(opidAttr);
}
if (node._nodeType == XmlNodeType.Element &&
diffgramElement.FirstChild != null)
{
ApplyDiffgram(diffgramElement, (XmlDiffViewParentNode)node);
}
}
private void OnChange(
XmlElement diffgramElement,
XmlDiffPathNodeList matchNodes,
XmlDiffViewParentNode sourceParent,
ref XmlDiffViewNode currentPosition)
{
Debug.Assert(matchNodes.Count == 1);
matchNodes.Reset();
matchNodes.MoveNext();
var current = matchNodes.Current;
if (current._nodeType != XmlNodeType.Attribute)
{
currentPosition = current;
}
var changeInfo = new XmlDiffViewNode.ChangeInfo();
var str1 = diffgramElement.HasAttribute("name") ? diffgramElement.GetAttribute("name") : null;
var str2 = diffgramElement.HasAttribute("prefix") ? diffgramElement.GetAttribute("prefix") : null;
var str3 = diffgramElement.HasAttribute("ns") ? diffgramElement.GetAttribute("ns") : null;
switch (current._nodeType)
{
case XmlNodeType.Element:
changeInfo._localName = str1 == null ? ((XmlDiffViewElement)current)._localName : str1;
changeInfo._prefix = str2 == null ? ((XmlDiffViewElement)current)._prefix : str2;
changeInfo._ns = str3 == null ? ((XmlDiffViewElement)current)._ns : str3;
break;
case XmlNodeType.Attribute:
var innerText = diffgramElement.InnerText;
if (str1 == string.Empty && str2 == string.Empty && innerText == string.Empty)
{
return;
}
changeInfo._localName = str1 == null ? ((XmlDiffViewAttribute)current)._localName : str1;
changeInfo._prefix = str2 == null ? ((XmlDiffViewAttribute)current)._prefix : str2;
changeInfo._ns = str3 == null ? ((XmlDiffViewAttribute)current)._ns : str3;
changeInfo._value = diffgramElement.InnerText;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo._value = diffgramElement.InnerText;
break;
case XmlNodeType.EntityReference:
Debug.Assert(str1 != null);
changeInfo._localName = str1;
break;
case XmlNodeType.ProcessingInstruction:
if (str1 == null)
{
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.ProcessingInstruction);
changeInfo._localName = diffgramElement.FirstChild.Name;
changeInfo._value = diffgramElement.FirstChild.Value;
break;
}
changeInfo._localName = str1;
changeInfo._value = ((XmlDiffViewCharData)current)._value;
break;
case XmlNodeType.Comment:
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.Comment);
changeInfo._value = diffgramElement.FirstChild.Value;
break;
case XmlNodeType.DocumentType:
changeInfo._localName = str1 == null ? ((XmlDiffViewDocumentType)current)._name : str1;
changeInfo._prefix = !diffgramElement.HasAttribute("publicId") ? ((XmlDiffViewDocumentType)current)._publicId : diffgramElement.GetAttribute("publicId");
changeInfo._ns = !diffgramElement.HasAttribute("systemId") ? ((XmlDiffViewDocumentType)current)._systemId : diffgramElement.GetAttribute("systemId");
changeInfo._value = diffgramElement.FirstChild == null ? ((XmlDiffViewDocumentType)current)._subset : diffgramElement.InnerText;
break;
case XmlNodeType.XmlDeclaration:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo._value = diffgramElement.InnerText;
break;
default:
Debug.Assert(false, "Invalid node type.");
break;
}
current._changeInfo = changeInfo;
current._op = XmlDiffViewOperation.Change;
var attribute = diffgramElement.GetAttribute("opid");
if (attribute != string.Empty)
{
current._opid = int.Parse(attribute);
}
if (current._nodeType != XmlNodeType.Element || diffgramElement.FirstChild == null)
{
return;
}
this.ApplyDiffgram(diffgramElement, (XmlDiffViewParentNode)current);
}
/// <summary>
/// Store changes in the ChangeInfo object of the marked-up-baseline node
/// </summary>
/// <param name="diffgramElement">current element in the diffgram</param>
/// <param name="matchNodes">Object containing the list of baseline nodes
/// which match the position in the diffgram</param>
/// <param name="sourceParent">parent node in the baseline data</param>
/// <param name="currentPosition">current position</param>
private void OnChange(
XmlElement diffgramElement,
XmlDiffPathNodeList matchNodes,
XmlDiffViewParentNode sourceParent,
ref XmlDiffViewNode currentPosition)
{
Debug.Assert(matchNodes.Count == 1);
matchNodes.Reset();
matchNodes.MoveNext();
XmlDiffViewNode node = matchNodes.Current;
if (node.NodeType != XmlNodeType.Attribute)
{
currentPosition = node;
}
XmlDiffViewNode.ChangeInfo changeInfo = new XmlDiffViewNode.ChangeInfo();
string name = diffgramElement.HasAttribute("name") ? diffgramElement.GetAttribute("name") : null;
string prefix = diffgramElement.HasAttribute("prefix") ? diffgramElement.GetAttribute("prefix") : null;
string ns = diffgramElement.HasAttribute("ns") ? diffgramElement.GetAttribute("ns") : null;
switch (node.NodeType)
{
case XmlNodeType.Element:
changeInfo.LocalName = (name == null) ? ((XmlDiffViewElement)node).LocalName : name;
changeInfo.Prefix = (prefix == null) ? ((XmlDiffViewElement)node).Prefix : prefix;
changeInfo.NamespaceUri = (ns == null) ? ((XmlDiffViewElement)node).NamespaceUri : ns;
break;
case XmlNodeType.Attribute:
string value = diffgramElement.InnerText;
if (name == string.Empty && prefix == string.Empty && value == string.Empty)
{
return;
}
changeInfo.LocalName = (name == null) ? ((XmlDiffViewAttribute)node).LocalName : name;
changeInfo.Prefix = (prefix == null) ? ((XmlDiffViewAttribute)node).Prefix : prefix;
changeInfo.NamespaceUri = (ns == null) ? ((XmlDiffViewAttribute)node).NamespaceUri : ns;
changeInfo.Subset = diffgramElement.InnerText;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo.Subset = diffgramElement.InnerText;
break;
case XmlNodeType.Comment:
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.Comment);
changeInfo.Subset = diffgramElement.FirstChild.Value;
break;
case XmlNodeType.ProcessingInstruction:
if (name == null)
{
Debug.Assert(diffgramElement.FirstChild != null);
Debug.Assert(diffgramElement.FirstChild.NodeType == XmlNodeType.ProcessingInstruction);
changeInfo.LocalName = diffgramElement.FirstChild.Name;
changeInfo.Subset = diffgramElement.FirstChild.Value;
}
else
{
changeInfo.LocalName = name;
changeInfo.Subset = ((XmlDiffViewPI)node).InnerText;
}
break;
case XmlNodeType.EntityReference:
Debug.Assert(name != null);
changeInfo.LocalName = name;
break;
case XmlNodeType.XmlDeclaration:
Debug.Assert(diffgramElement.FirstChild != null);
changeInfo.Subset = diffgramElement.InnerText;
break;
case XmlNodeType.DocumentType:
changeInfo.LocalName = (name == null) ? ((XmlDiffViewDocumentType)node).Name : name;
if (diffgramElement.HasAttribute("publicId"))
{
changeInfo.Prefix = diffgramElement.GetAttribute("publicId");
}
else
{
changeInfo.Prefix = ((XmlDiffViewDocumentType)node).PublicId;
}
if (diffgramElement.HasAttribute("systemId"))
{
changeInfo.NamespaceUri = diffgramElement.GetAttribute("systemId");
}
else
{
changeInfo.NamespaceUri = ((XmlDiffViewDocumentType)node).SystemId;
}
if (diffgramElement.FirstChild != null)
{
changeInfo.Subset = diffgramElement.InnerText;
}
else
{
changeInfo.Subset = ((XmlDiffViewDocumentType)node).Subset;
}
break;
default:
Debug.Assert(false, "Invalid node type.");
break;
}
node.ChangeInformation = changeInfo;
node.Operation = XmlDiffViewOperation.Change;
string opidAttr = diffgramElement.GetAttribute("opid");
if (opidAttr != string.Empty) {
node.OperationId = int.Parse(opidAttr);
} else {
node.OperationId = NextOperationId;
}
if (node.NodeType == XmlNodeType.Element &&
diffgramElement.FirstChild != null)
{
this.ApplyDiffgram(diffgramElement, (XmlDiffViewParentNode)node);
}
}
