public static XmlElementSyntax MultiLineElement(XmlNameSyntax name, string newLineText, SyntaxList<XmlNodeSyntax> content)
{
return SyntaxFactory.XmlElement(
SyntaxFactory.XmlElementStartTag(name),
content.Insert(0, NewLine(newLineText)).Add(NewLine(newLineText)),
SyntaxFactory.XmlElementEndTag(name));
}
private void DoTestAddInsertRemoveReplaceOnEmptyList(SyntaxList<SyntaxNode> list)
{
Assert.Equal(0, list.Count);
SyntaxNode nodeD = SyntaxFactory.ParseExpression("D ");
SyntaxNode nodeE = SyntaxFactory.ParseExpression("E ");
var newList = list.Add(nodeD);
Assert.Equal(1, newList.Count);
Assert.Equal("D ", newList.ToFullString());
newList = list.AddRange(new[] { nodeD, nodeE });
Assert.Equal(2, newList.Count);
Assert.Equal("D E ", newList.ToFullString());
newList = list.Insert(0, nodeD);
Assert.Equal(1, newList.Count);
Assert.Equal("D ", newList.ToFullString());
newList = list.InsertRange(0, new[] { nodeD, nodeE });
Assert.Equal(2, newList.Count);
Assert.Equal("D E ", newList.ToFullString());
newList = list.Remove(nodeD);
Assert.Equal(0, newList.Count);
Assert.Equal(-1, list.IndexOf(nodeD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.RemoveAt(0));
Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(1, nodeD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(-1, nodeD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.InsertRange(1, new[] { nodeD }));
Assert.Throws<ArgumentOutOfRangeException>(() => list.InsertRange(-1, new[] { nodeD }));
Assert.Throws<ArgumentException>(() => list.Replace(nodeD, nodeE));
Assert.Throws<ArgumentException>(() => list.ReplaceRange(nodeD, new[] { nodeE }));
Assert.Throws<ArgumentNullException>(() => list.Add(null));
Assert.Throws<ArgumentNullException>(() => list.AddRange((IEnumerable<SyntaxNode>)null));
Assert.Throws<ArgumentNullException>(() => list.Insert(0, null));
Assert.Throws<ArgumentNullException>(() => list.InsertRange(0, (IEnumerable<SyntaxNode>)null));
}
Document PerformAction(Document document, SemanticModel model, SyntaxNode root, PropertyDeclarationSyntax propertyDeclaration, bool needsSetter)
{
AccessorDeclarationSyntax accessor = null;
PropertyDeclarationSyntax newProp = null;
if (needsSetter)
{
accessor = SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration);
var getter = propertyDeclaration.AccessorList.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.GetAccessorDeclaration));
if (getter == null)
{
//get;
accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
}
else
{
var getField = ReplacePropertyWithBackingFieldWithAutoPropertyCodeRefactoringProvider.ScanGetter(model, getter);
if (getField == null && getter.Body == null)
{
//get;
accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)).WithTrailingTrivia(getter.GetTrailingTrivia());
}
else if (getField == null || getField.IsReadOnly)
{
//readonly or no field can be found
accessor = accessor.WithBody(GetNotImplementedBlock());
}
else
{
//now we add a 'field = value'.
accessor = accessor.WithBody(SyntaxFactory.Block(
SyntaxFactory.ExpressionStatement(
SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, SyntaxFactory.IdentifierName(getField.Name), SyntaxFactory.IdentifierName("value")))));
}
}
newProp = propertyDeclaration.WithAccessorList(propertyDeclaration.AccessorList.AddAccessors(accessor));
}
else
{
accessor = SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration);
var setter = propertyDeclaration.AccessorList.Accessors.FirstOrDefault(m => m.IsKind(SyntaxKind.SetAccessorDeclaration));
var accessorDeclList = new SyntaxList<AccessorDeclarationSyntax>();
if (setter == null)
{
//set;
accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
}
else
{
var setField = ReplacePropertyWithBackingFieldWithAutoPropertyCodeRefactoringProvider.ScanSetter(model, setter);
if (setField == null && setter.Body == null)
{
//set;
accessor = accessor.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)).WithTrailingTrivia(setter.GetTrailingTrivia());
}
else if (setField == null)
{
//no field can be found
accessor = accessor.WithBody(GetNotImplementedBlock());
}
else
{
//now we add a 'return field;'.
accessor = accessor.WithBody(SyntaxFactory.Block(
SyntaxFactory.ReturnStatement(SyntaxFactory.IdentifierName(setField.Name))));
}
accessorDeclList = accessorDeclList.Add(propertyDeclaration.AccessorList.Accessors.First(m => m.IsKind(SyntaxKind.SetAccessorDeclaration)));
}
accessorDeclList = accessorDeclList.Insert(0, accessor);
var accessorList = SyntaxFactory.AccessorList(accessorDeclList);
newProp = propertyDeclaration.WithAccessorList(accessorList);
}
var newRoot = root.ReplaceNode((SyntaxNode)propertyDeclaration, newProp).WithAdditionalAnnotations(Formatter.Annotation);
return document.WithSyntaxRoot(newRoot);
}
