ObjectCreateExpression ConvertXmlElementExpression(XmlElementExpression xmlElementExpression)
{
var newNode = new ObjectCreateExpression(new TypeReference("XElement"), xmlElementExpression.NameIsExpression ? new List <Expression> {
xmlElementExpression.NameExpression
} : Expressions(xmlElementExpression.XmlName));
foreach (XmlExpression attr in xmlElementExpression.Attributes)
{
if (attr is XmlAttributeExpression)
{
var a = attr as XmlAttributeExpression;
newNode.Parameters.Add(new ObjectCreateExpression(new TypeReference("XAttribute"), new List <Expression> {
new PrimitiveExpression(a.Name),
a.IsLiteralValue ? new PrimitiveExpression(ConvertEntities(a.LiteralValue)) : a.ExpressionValue
}));
}
else if (attr is XmlEmbeddedExpression)
{
newNode.Parameters.Add((attr as XmlEmbeddedExpression).InlineVBExpression);
}
}
foreach (XmlExpression expr in xmlElementExpression.Children)
{
XmlContentExpression c = expr as XmlContentExpression;
// skip whitespace text
if (!(expr is XmlContentExpression && c.Type == XmlContentType.Text && string.IsNullOrWhiteSpace(c.Content)))
{
newNode.Parameters.Add(ConvertXmlExpression(expr));
}
}
return(newNode);
}
public void VBNetSimpleCDataTest()
{
XmlContentExpression content = ParseUtil.ParseExpression <XmlContentExpression>("<![CDATA[<simple> <cdata>]]>");
Assert.AreEqual(XmlContentType.CData, content.Type);
Assert.AreEqual("<simple> <cdata>", content.Content);
Assert.AreEqual(new Location(1, 1), content.StartLocation);
Assert.AreEqual(new Location(29, 1), content.EndLocation);
}
public void VBNetSimplePreprocessingInstructionTest()
{
XmlContentExpression content = ParseUtil.ParseExpression <XmlContentExpression>("<?xml version='1.0'?>");
Assert.AreEqual(XmlContentType.ProcessingInstruction, content.Type);
Assert.AreEqual("xml version='1.0'", content.Content);
Assert.AreEqual(new Location(1, 1), content.StartLocation);
Assert.AreEqual(new Location(22, 1), content.EndLocation);
}
public void VBNetSimpleCommentTest()
{
XmlContentExpression content = ParseUtil.ParseExpression <XmlContentExpression>("<!-- test -->");
Assert.AreEqual(XmlContentType.Comment, content.Type);
Assert.AreEqual(" test ", content.Content);
Assert.AreEqual(new Location(1, 1), content.StartLocation);
Assert.AreEqual(new Location(14, 1), content.EndLocation);
}
void CheckContent(INode node, string content, XmlContentType type, Location start, Location end)
{
Assert.IsTrue(node is XmlContentExpression);
XmlContentExpression expr = node as XmlContentExpression;
Assert.AreEqual(type, expr.Type);
Assert.AreEqual(content, expr.Content);
Assert.AreEqual(start, expr.StartLocation);
Assert.AreEqual(end, expr.EndLocation);
}
Expression ConvertXmlContentExpression(XmlContentExpression xmlContentExpression)
{
Expression newNode = null;
switch (xmlContentExpression.Type)
{
case XmlContentType.Comment:
newNode = new ObjectCreateExpression(new TypeReference("XComment"), Expressions(xmlContentExpression.Content));
break;
case XmlContentType.Text:
newNode = new PrimitiveExpression(ConvertEntities(xmlContentExpression.Content));
break;
case XmlContentType.CData:
newNode = new ObjectCreateExpression(new TypeReference("XCData"), Expressions(xmlContentExpression.Content));
break;
case XmlContentType.ProcessingInstruction:
string content = xmlContentExpression.Content.Trim();
if (content.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
XDeclaration decl;
try {
decl = XDocument.Parse("<?" + content + "?><Dummy />").Declaration;
} catch (XmlException) {
decl = new XDeclaration(null, null, null);
}
newNode = new ObjectCreateExpression(new TypeReference("XDeclaration"), Expressions(decl.Version, decl.Encoding, decl.Standalone));
}
else
{
string target = content.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).FirstOrDefault() ?? "";
string piData = content.IndexOf(' ') > -1 ? content.Substring(content.IndexOf(' ')) : "";
newNode = new ObjectCreateExpression(new TypeReference("XProcessingInstruction"), Expressions(target, piData));
}
break;
default:
throw new Exception("Invalid value for XmlContentType");
}
return(newNode);
}
public override object VisitXmlContentExpression(XmlContentExpression xmlContentExpression, object data)
{
Expression newNode = ConvertXmlContentExpression(xmlContentExpression);
if (newNode == null)
{
return(base.VisitXmlContentExpression(xmlContentExpression, data));
}
ReplaceCurrentNode(newNode);
if (newNode is ObjectCreateExpression)
{
return(base.VisitObjectCreateExpression((ObjectCreateExpression)newNode, data));
}
else if (newNode is PrimitiveExpression)
{
return(base.VisitPrimitiveExpression((PrimitiveExpression)newNode, data));
}
return(null);
}
public override object VisitXmlContentExpression(XmlContentExpression xmlContentExpression, object data)
{
switch (xmlContentExpression.Type)
{
case XmlContentType.Comment:
return(CreateResolveResult(new TypeReference("System.Xml.Linq.XComment")));
case XmlContentType.Text:
return(CreateResolveResult(new TypeReference("System.Xml.Linq.XText")));
case XmlContentType.CData:
return(CreateResolveResult(new TypeReference("System.Xml.Linq.XCData")));
case XmlContentType.ProcessingInstruction:
if (xmlContentExpression.Content.StartsWith("xml ", StringComparison.OrdinalIgnoreCase))
{
return(CreateResolveResult(new TypeReference("System.Xml.Linq.XDocumentType")));
}
return(CreateResolveResult(new TypeReference("System.Xml.Linq.XProcessingInstruction")));
default:
throw new Exception("Invalid value for XmlContentType");
}
}
public virtual object VisitXmlContentExpression(XmlContentExpression xmlContentExpression, object data)
{
throw new global::System.NotImplementedException("XmlContentExpression");
}
public object VisitXmlContentExpression(XmlContentExpression xmlContentExpression, object data)
{
throw new NotImplementedException();
}
