/// <summary>
/// When overridden in a derived class, creates a duplicate of the node.
/// </summary>
/// <param name="deep">
/// Specify true to recursively clone the subtree under the specified
/// node; false to clone only the node itself.
/// </param>
/// <returns>The cloned node. </returns>
public override OpenXmlElement CloneNode(bool deep)
{
OpenXmlMiscNode element = new OpenXmlMiscNode(this.XmlNodeType);
element.OuterXml = this.OuterXml;
return(element);
}
internal static OpenXmlMiscNode CreateFromSignificantWhitespace(string whitespace)
{
Debug.Assert(whitespace != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.SignificantWhitespace);
newMiscNode.Value = whitespace;
newMiscNode.RawOuterXml = whitespace;
return(newMiscNode);
}
internal static OpenXmlMiscNode CreateFromCdata(string value)
{
Debug.Assert(value != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.CDATA);
newMiscNode.Value = value;
newMiscNode.RawOuterXml = string.Format(CultureInfo.InvariantCulture, "<![CDATA[{0}]]>", value);
return(newMiscNode);
}
internal static OpenXmlMiscNode CreateFromText(string text)
{
Debug.Assert(text != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.Text);
newMiscNode.Value = text;
newMiscNode.RawOuterXml = text;
return(newMiscNode);
}
internal override void Populate(XmlReader xmlReader, OpenXmlLoadMode loadMode)
{
if (String.IsNullOrEmpty(this._tagName))
{
this._tagName = xmlReader.LocalName;
this._prefix = xmlReader.Prefix;
this._namespaceUri = xmlReader.NamespaceURI;
}
else
{
Debug.Assert(String.Equals(this._tagName, xmlReader.LocalName));
Debug.Assert(String.Equals(this._prefix, xmlReader.Prefix));
Debug.Assert(String.Equals(this._namespaceUri, xmlReader.NamespaceURI));
}
// load children elements
base.Populate(xmlReader, loadMode);
if (this.FirstChild != null && this.FirstChild.NextSibling() == null)
{
// only one child
OpenXmlMiscNode miscNode = this.FirstChild as OpenXmlMiscNode;
if (miscNode != null)
{
switch (miscNode.XmlNodeType)
{
case XmlNodeType.Text:
case XmlNodeType.CDATA:
case XmlNodeType.SignificantWhitespace:
this._text = miscNode.OuterXml; // is this OK?
this.RemoveChild(miscNode);
break;
case XmlNodeType.Whitespace: // O15:#3024890, OpenXmlUnknownElement ignores the Whitespace NodeType.
default:
break;
}
}
}
}
//internal override void Load(XmlReader xmlReader)
//{
// LoadAttributes(xmlReader);
// this.Text = xmlReader.ReadElementString();
//}
internal override void Populate(XmlReader xmlReader, OpenXmlLoadMode loadMode)
{
LoadAttributes(xmlReader);
if (!xmlReader.IsEmptyElement)
{ // only when element is not empty (not <element />).
xmlReader.Read(); // read this element
this.RawInnerText = string.Empty;
int unwanted = 0;
int textNodePosition = -1; // the position of the text in the ShadowElement's children when there are other unexpected node.
XmlNodeType textNodeType = XmlNodeType.Text;
if (xmlReader.NodeType == XmlNodeType.EndElement)
{
Debug.Assert(xmlReader.LocalName.Equals(this.LocalName));
}
else
{
while (!xmlReader.EOF)
{
if (xmlReader.NodeType == XmlNodeType.EndElement)
{
Debug.Assert(xmlReader.LocalName.Equals(this.LocalName));
break;
}
else if (string.IsNullOrEmpty(this.RawInnerText) &&
(xmlReader.NodeType == XmlNodeType.Text ||
xmlReader.NodeType == XmlNodeType.CDATA ||
xmlReader.NodeType == XmlNodeType.SignificantWhitespace ||
xmlReader.NodeType == XmlNodeType.Whitespace /* O15:#3024890 */))
{
// text or CDATA
// scenario: normal text element <Application>Microsoft Office Word</Application>
// scenario: <w:t>This is <![CDATA[Xml Example <tag>text</tag>.]]> 1</w:t>
// only load text when no text is loaded,
// for case "<foo/>Text1<bar/>Text2", only load "Text1", very rare case
this.RawInnerText = xmlReader.Value;
textNodePosition = unwanted;
textNodeType = xmlReader.NodeType;
xmlReader.Read();
}
else
{
Debug.Assert(xmlReader.NodeType != XmlNodeType.EntityReference);
// Load unexpected children if there are any.
OpenXmlElement child = this.ElementFactory(xmlReader);
child.Load(xmlReader, OpenXmlLoadMode.Full);
unwanted++;
if (this.ShadowElement == null)
{
this.ShadowElement = new OpenXmlUnknownElement(this.Prefix, this.LocalName, this.NamespaceUri);
}
this.ShadowElement.AppendChild(child);
}
}
}
if (unwanted == 0)
{
// only text node, no unwanted children
Debug.Assert(this.ShadowElement == null);
}
else if (textNodePosition > -1)
{
// place an OpenXmlMiscNode for the loaded text in the ShadowElement so that we can write out correct content in serialization.
OpenXmlMiscNode textNode = null;
switch (textNodeType)
{
case XmlNodeType.Text:
textNode = OpenXmlMiscNode.CreateFromText(this.RawInnerText);
break;
case XmlNodeType.CDATA:
textNode = OpenXmlMiscNode.CreateFromCdata(this.RawInnerText);
break;
case XmlNodeType.SignificantWhitespace:
case XmlNodeType.Whitespace: /* O15:#3024890 */
textNode = OpenXmlMiscNode.CreateFromSignificantWhitespace(this.RawInnerText);
break;
}
this.ShadowElement.InsertAt(textNode, textNodePosition);
}
else
{
// textNodePosition == -1, no text loaded.
}
}
xmlReader.Skip(); // skip the end tag
// set raw outer xml to empty to indicate that it is passed
this.RawOuterXml = string.Empty;
}
internal static OpenXmlMiscNode CreateFromSignificantWhitespace(string whitespace)
{
Debug.Assert(whitespace != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.SignificantWhitespace);
newMiscNode.Value = whitespace;
newMiscNode.RawOuterXml = whitespace;
return newMiscNode;
}
internal static OpenXmlMiscNode CreateFromCdata(string value)
{
Debug.Assert(value != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.CDATA);
newMiscNode.Value = value;
newMiscNode.RawOuterXml = String.Format(CultureInfo.InvariantCulture, "<![CDATA[{0}]]>", value); ;
return newMiscNode;
}
internal static OpenXmlMiscNode CreateFromText(string text)
{
Debug.Assert(text != null);
var newMiscNode = new OpenXmlMiscNode(XmlNodeType.Text);
newMiscNode.Value = text;
newMiscNode.RawOuterXml = text;
return newMiscNode;
}
/// <summary>
/// When overridden in a derived class, creates a duplicate of the node.
/// </summary>
/// <param name="deep">
/// Specify true to recursively clone the subtree under the specified
/// node; false to clone only the node itself.
/// </param>
/// <returns>The cloned node. </returns>
public override OpenXmlElement CloneNode(bool deep)
{
OpenXmlMiscNode element = new OpenXmlMiscNode(this.XmlNodeType);
element.OuterXml = this.OuterXml;
return element;
}
public void ElementCloneTest()
{
using(MemoryStream stream = new MemoryStream(TestFileStreams.mcdoc))
using (var doc = WordprocessingDocument.Open(stream, false))
{
// Shallow clone the body, which doesn't have attributes
var body = doc.MainDocumentPart.Document.Body;
var clonedBody = body.CloneNode(false);
Assert.False(clonedBody.HasChildren);
Assert.Equal(body.HasAttributes, clonedBody.HasAttributes); //Cloned Body has no attributes.
Assert.Equal(body.ExtendedAttributes.Count(), clonedBody.ExtendedAttributes.Count());
// Shallow clone the first paragraph, which has attributes
var paragraph = body.Descendants<Paragraph>().First();
var clonedParagraph = paragraph.CloneNode(false);
Assert.False(clonedParagraph.HasChildren);
Assert.True(clonedParagraph.HasAttributes);
Assert.Equal(paragraph.Attributes.Count(), clonedParagraph.Attributes.Count());
Assert.Equal(paragraph.ExtendedAttributes.Count(), clonedParagraph.ExtendedAttributes.Count());
// Deep clone the document
var clonedDocument = doc.MainDocumentPart.Document.CloneNode(true);
Assert.True(clonedDocument.HasChildren);
Assert.Equal(doc.MainDocumentPart.Document.ChildElements.Count, clonedDocument.ChildElements.Count);
Assert.Equal(doc.MainDocumentPart.Document.Descendants().Count(), clonedDocument.Descendants().Count());
var docEnumerator = doc.MainDocumentPart.Document.Descendants().GetEnumerator();
foreach (var elem in clonedDocument.Descendants())
{
Assert.True(docEnumerator.MoveNext());
var curElem = docEnumerator.Current;
Assert.Equal(curElem.GetType(), elem.GetType());
Assert.Equal(curElem.NamespaceUri, elem.NamespaceUri);
Assert.Equal(curElem.XmlQualifiedName, elem.XmlQualifiedName);
Assert.Equal(curElem.Attributes == null, elem.Attributes == null);
if (curElem.Attributes != null)
{
Assert.Equal(curElem.Attributes.Length, elem.Attributes.Length);
}
Assert.Equal(curElem.ExtendedAttributes.Count(), elem.ExtendedAttributes.Count());
var a1 = curElem.ExtendedAttributes.ToArray();
var a2 = elem.ExtendedAttributes.ToArray();
for(int i = 0; i< a1.Length; i++)
{
Assert.Equal(a1[i].NamespaceUri, a2[i].NamespaceUri);
Assert.Equal(a1[i].LocalName, a2[i].LocalName);
Assert.Equal(a1[i].Value, a2[i].Value);
}
Assert.Equal(curElem.MCAttributes == null, elem.MCAttributes == null);
if (curElem is OpenXmlLeafTextElement)
{
Assert.Equal(((OpenXmlLeafTextElement)curElem).Text, ((OpenXmlLeafTextElement)elem).Text);
}
}
// Deep clone the unknown element
var unknown = doc.MainDocumentPart.Document.Descendants<OpenXmlUnknownElement>().Where(e => e.LocalName == "wsp").First();
var clonedUnknown = unknown.CloneNode(true);
Assert.Equal(unknown.OuterXml, clonedUnknown.OuterXml);
// Clone the OpenXmlMiscNode
var miscNode = new OpenXmlMiscNode(System.Xml.XmlNodeType.Comment, "<!-- my comment -->");
var clonedMiscNode = miscNode.CloneNode(true) as OpenXmlMiscNode;
Assert.NotNull(clonedMiscNode);
Assert.Equal(miscNode.XmlNodeType, clonedMiscNode.XmlNodeType);
Assert.Equal(miscNode.OuterXml, clonedMiscNode.OuterXml);
// Shallow clone mc element
var acb = body.Descendants<AlternateContent>().First();
acb.MCAttributes = new MarkupCompatibilityAttributes();
acb.MCAttributes.Ignorable = "w14";
acb.MCAttributes.MustUnderstand = "wp";
acb.MCAttributes.PreserveAttributes = "a";
acb.MCAttributes.PreserveElements = "w14";
acb.MCAttributes.ProcessContent = "wp";
var clonedAcb = acb.CloneNode(false);
Assert.NotNull(clonedAcb.MCAttributes);
Assert.Equal(acb.MCAttributes.Ignorable.Value, clonedAcb.MCAttributes.Ignorable.Value);
Assert.Equal(acb.MCAttributes.MustUnderstand.Value, clonedAcb.MCAttributes.MustUnderstand.Value);
Assert.Equal(acb.MCAttributes.PreserveAttributes.Value, clonedAcb.MCAttributes.PreserveAttributes.Value);
Assert.Equal(acb.MCAttributes.PreserveElements.Value, clonedAcb.MCAttributes.PreserveElements.Value);
Assert.Equal(acb.MCAttributes.ProcessContent.Value, clonedAcb.MCAttributes.ProcessContent.Value);
}
}
