public void AddPI(object doc, string data)
{
XmlDocument xmlDocument = InMetaXmlUtils.TryGetXmlDocument(doc);
if (xmlDocument != null)
{
XmlNode firstChild = xmlDocument.FirstChild;
if (firstChild != null && (firstChild.NodeType == XmlNodeType.ProcessingInstruction && firstChild.Name == "xml"))
{
xmlDocument.RemoveChild(firstChild);
}
XmlProcessingInstruction processingInstruction = xmlDocument.CreateProcessingInstruction("xml", data);
xmlDocument.InsertBefore((XmlNode)processingInstruction, xmlDocument.FirstChild);
}
else
{
object firstChild = InMetaXmlUtils.InteropGetFirstChild(doc);
if (firstChild != null && (InMetaXmlUtils.InteropGetNodeType(firstChild) == 7 && InMetaXmlUtils.InteropGetNodeName(firstChild) == "xml"))
{
InMetaXmlUtils.InteropRemoveChild(doc, firstChild);
}
object processingInstruction = InMetaXmlUtils.InteropCreateProcessingInstruction(doc, "xml", data);
InMetaXmlUtils.InteropInsertBefore(doc, processingInstruction, InMetaXmlUtils.InteropGetFirstChild(doc));
}
}
public void SetNodeText(object element, string text, bool textAsCDataSection = false)
{
XmlNode xmlNode = InMetaXmlUtils.TryGetXmlNode(element);
if (xmlNode != null)
{
XmlUtils.ReplaceOwnText(xmlNode, text);
}
else
{
object nodes = InMetaXmlUtils.InteropSelectNodes(element, "text()");
int length = InMetaXmlUtils.InteropGetLength(nodes);
for (int index = 0; index < length; ++index)
{
InMetaXmlUtils.InteropRemoveChild(element, InMetaXmlUtils.InteropGetItem(nodes, index));
}
if (string.IsNullOrEmpty(text))
{
return;
}
InMetaXmlUtils.InteropAppendChild(element, InMetaXmlUtils.InteropCreateTextNode(InMetaXmlUtils.InteropGetOwnerDocument(element), text));
}
}