internal static ITextRange ToTextRange(IReadableSelectableTextBuffer textBuffer, SourceContext sourceContext)
{
int offset = sourceContext.StartCol;
int num = sourceContext.EndCol;
int length = textBuffer.Length;
if (num > length)
{
num = length;
}
return(textBuffer.CreateRange(offset, num - offset));
}
private static void UpdateSourceContextRangeFromInitialRange(IReadableSelectableTextBuffer textBuffer, INodeSourceContext context, int offset)
{
XamlSourceContext xamlSourceContext = context as XamlSourceContext;
if (xamlSourceContext == null)
{
return;
}
if (!TextRange.IsNull(xamlSourceContext.InitialTextSpan))
{
ITextRange initialTextSpan = xamlSourceContext.InitialTextSpan;
ITextRange textRange1 = (ITextRange) new TextRange(initialTextSpan.Offset + offset, initialTextSpan.Offset + initialTextSpan.Length + offset);
xamlSourceContext.InitialTextSpan = textRange1;
xamlSourceContext.SetTextRange(textBuffer, textRange1.Offset, textRange1.Length);
XmlElementReference elementReference = xamlSourceContext as XmlElementReference;
if (elementReference == null)
{
return;
}
foreach (XmlElementReference.Attribute attribute in elementReference.AttributesToPreserve)
{
XamlSerializerUtilities.UpdateSourceContextRangeFromInitialRange(textBuffer, (INodeSourceContext)attribute.SourceContext, offset);
}
if (TextRange.IsNull(elementReference.InitialStartTagSpan))
{
return;
}
ITextRange initialStartTagSpan = elementReference.InitialStartTagSpan;
ITextRange textRange2 = (ITextRange) new TextRange(initialStartTagSpan.Offset + offset, initialStartTagSpan.Offset + initialStartTagSpan.Length + offset);
elementReference.InitialStartTagSpan = textRange2;
elementReference.StartTagRange = textBuffer.CreateRange(textRange2.Offset, textRange2.Length);
}
else
{
xamlSourceContext.ClearTextRange();
XmlElementReference elementReference = xamlSourceContext as XmlElementReference;
if (elementReference == null)
{
return;
}
elementReference.StartTagRange = (ITextRange)null;
}
}
private static void UpdateNodeSourceContextWorker(IReadableSelectableTextBuffer textBuffer, DocumentNode node, int startTagLength, int elementLength)
{
XmlElementReference elementReference1 = (XmlElementReference)node.SourceContext;
XmlElementReference elementReference2 = (XmlElementReference)elementReference1.Clone(false);
if (startTagLength != elementLength)
{
elementReference2.StartTagRange = textBuffer.CreateRange(elementReference1.TextRange.Offset, startTagLength);
}
elementReference2.SetTextRange(textBuffer, elementReference1.TextRange.Offset, elementLength);
if (node.DocumentRoot != null)
{
node.DocumentRoot.SetSourceContext(node, (INodeSourceContext)elementReference2);
}
else
{
node.SourceContext = (INodeSourceContext)elementReference2;
}
}
public void SetTextRange(IReadableSelectableTextBuffer textBuffer, int offset, int length)
{
this.textRange = textBuffer.CreateRange(offset, length);
this.ordering = offset;
}