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); } }