private XamlFormatter.XmlElementFormatting GetElementFormatting(ElementNode elementNode)
{
XamlFormatter.XmlElementFormatting elementFormatting = new XamlFormatter.XmlElementFormatting();
XmlElementReference elementReference = elementNode.SourceContextReference.SourceContext as XmlElementReference;
if (elementReference != null && elementReference.TextRange != null)
{
IReadableTextBuffer textBuffer = (IReadableTextBuffer)TextBufferHelper.GetHostBuffer(elementReference.TextBuffer);
elementFormatting.LeadingWhitespace = XamlFormatter.GetLeadingWhitespace((XamlSourceContext)elementReference);
elementFormatting.TrailingWhitespace = XamlFormatter.GetTrailingWhitespace((XamlSourceContext)elementReference);
elementFormatting.AttributeLeadingWhitespace = XamlFormatter.GetTrailingWhitespace(textBuffer, elementReference.TextRange.Offset);
if (elementReference.StartTagRange != null)
{
elementFormatting.AttributeTrailingWhitespace = XamlFormatter.GetLeadingWhitespace(textBuffer, elementReference.StartTagRange.Offset + elementReference.StartTagRange.Length - 1);
elementFormatting.ContentLeadingWhitespace = XamlFormatter.GetTrailingWhitespace(textBuffer, elementReference.StartTagRange.Offset + elementReference.StartTagRange.Length);
int num = elementReference.TextRange.Offset + elementReference.TextRange.Length;
elementFormatting.ContentTrailingWhitespace = XamlFormatter.GetLeadingWhitespace(textBuffer, num - (elementNode.Name.FullName.Length + 3));
}
else
{
elementFormatting.AttributeTrailingWhitespace = XamlFormatter.GetLeadingWhitespace(textBuffer, elementReference.TextRange.Offset + elementReference.TextRange.Length - 2);
elementFormatting.ContentLeadingWhitespace = (string)null;
elementFormatting.ContentTrailingWhitespace = (string)null;
}
}
return(elementFormatting);
}
private static string GetTrailingWhitespace(XamlSourceContext sourceContext)
{
IReadableTextBuffer textBuffer = (IReadableTextBuffer)TextBufferHelper.GetHostBuffer(sourceContext.TextBuffer);
if (textBuffer.Length == 0)
{
return(string.Empty);
}
return(XamlFormatter.GetTrailingWhitespace(textBuffer, sourceContext.TextRange.Offset + sourceContext.TextRange.Length));
}
private XamlFormatter.UnprocessedNodeFormatting GetNodeFormatting(UnprocessedNode unprocessedNode)
{
XamlFormatter.UnprocessedNodeFormatting unprocessedNodeFormatting = new XamlFormatter.UnprocessedNodeFormatting();
XamlSourceContext sourceContext = unprocessedNode.SourceContextReference.SourceContext;
if (sourceContext != null && sourceContext.TextRange != null)
{
unprocessedNodeFormatting.LeadingWhitespace = XamlFormatter.GetLeadingWhitespace(sourceContext);
unprocessedNodeFormatting.TrailingWhitespace = XamlFormatter.GetTrailingWhitespace(sourceContext);
}
return(unprocessedNodeFormatting);
}
private XamlFormatter.XmlAttributeFormatting GetAttributeFormatting(AttributeNode attributeNode)
{
XamlFormatter.XmlAttributeFormatting attributeFormatting = new XamlFormatter.XmlAttributeFormatting();
if (attributeNode.SourceContextReference == null)
{
return(attributeFormatting);
}
XmlAttributeReference attributeReference = attributeNode.SourceContextReference.SourceContext as XmlAttributeReference;
if (attributeReference != null && attributeReference.TextRange != null)
{
string text = TextBufferHelper.GetHostBuffer(attributeReference.TextBuffer).GetText(attributeReference.TextRange.Offset, attributeReference.TextRange.Length);
int num = text.IndexOf('=');
if (num == -1)
{
return(attributeFormatting);
}
int index1 = num - 1;
while (index1 >= 0 && Scanner.IsXmlWhitespace(text[index1]))
{
--index1;
}
int index2 = num + 1;
while (index2 < text.Length && Scanner.IsXmlWhitespace(text[index2]))
{
++index2;
}
int startIndex = text.LastIndexOf(text[index2]);
if (index2 >= 0 && startIndex > index2)
{
attributeFormatting.LeadingWhitespace = XamlFormatter.GetLeadingWhitespace((XamlSourceContext)attributeReference);
attributeFormatting.TrailingWhitespace = XamlFormatter.GetTrailingWhitespace((XamlSourceContext)attributeReference);
attributeFormatting.ValuePrefix = text.Substring(index1 + 1, index2 - index1);
attributeFormatting.ValueSuffix = text.Substring(startIndex, 1);
attributeFormatting.AttributeQuoteCharacter = text[index2];
}
}
return(attributeFormatting);
}
