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 void WriteElement(string indent, ElementNode element)
{
ElementPersistenceSettings elementSettings = this.settings.GetElementSettings(typeof(object));
XamlFormatter.XmlElementFormatting elementFormatting = this.GetElementFormatting(element);
if (elementFormatting.LeadingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.LeadingWhitespace);
if (!this.writer.Started || this.writer.LineBreakCount > 0)
{
if (element.IndentingBehavior == IndentingBehavior.FromContainer)
{
this.writer.SetIndent(indent);
}
else
{
indent = this.writer.Indent;
}
}
}
else
{
this.writer.SetMinimumLineBreaks(elementSettings.LinesOutside);
this.writer.SetIndent(indent);
}
XmlElementReference elementReference = (XmlElementReference)null;
if (this.shouldUpdateSourceContext && element.SourceContextReference != null)
{
elementReference = element.SourceContextReference.BuildXmlElementReference();
element.SourceContextReference.SourceContext = (XamlSourceContext)elementReference;
}
int start = this.writer.WriteBeginStartElement(element.Name.FullName);
if (elementFormatting.AttributeLeadingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.AttributeLeadingWhitespace);
}
string indent1 = indent + this.settings.IndentString;
element.Attributes.EnsureOrdering();
for (int index = 0; index < element.Attributes.Count; ++index)
{
this.WriteNode(indent1, element.Attributes[index]);
}
if (elementFormatting.AttributeTrailingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.AttributeTrailingWhitespace);
}
int end;
int length;
if (element.Children.Count > 0)
{
bool flag = element.IsWhitespaceSignificant;
for (int index = 0; index < element.Children.Count; ++index)
{
switch (element.Children[index].NodeType)
{
case NodeType.Literal:
case NodeType.WhitespaceLiteral:
flag = true;
break;
}
}
this.writer.WriteEndStartElement();
end = this.writer.Length;
if (elementFormatting.ContentLeadingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.ContentLeadingWhitespace);
}
else
{
this.writer.SetMinimumLineBreaks(elementSettings.LinesInside);
}
for (int index = 0; index < element.Children.Count; ++index)
{
FormattedNode node = element.Children[index];
if (flag)
{
this.writer.SuppressWhitespace();
}
this.WriteNode(indent1, node);
if (flag)
{
this.writer.SuppressWhitespace();
}
}
if (elementFormatting.ContentTrailingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.ContentTrailingWhitespace);
if (element.IndentingBehavior == IndentingBehavior.FromContainer && this.writer.LineBreakCount > 0)
{
this.writer.SetIndent(indent);
}
}
else
{
this.writer.SetMinimumLineBreaks(elementSettings.LinesInside);
this.writer.SetIndent(indent);
}
this.writer.WriteEndElement(true);
length = this.writer.Length;
}
else
{
this.writer.WriteEndElement(false);
end = -1;
length = this.writer.Length;
}
if (this.shouldUpdateSourceContext && elementReference != null)
{
elementReference.InitialTextSpan = (ITextRange) new TextRange(start, length);
if (end != -1)
{
elementReference.InitialStartTagSpan = (ITextRange) new TextRange(start, end);
}
element.SourceContextReference.SourceContext = (XamlSourceContext)elementReference;
}
if (elementFormatting.TrailingWhitespace != null)
{
this.writer.SetWhitespace(elementFormatting.TrailingWhitespace);
}
else
{
this.writer.SetMinimumLineBreaks(elementSettings.LinesOutside);
}
}