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(IReadableTextBuffer textBuffer, int offset)
{
if (textBuffer.Length == 0)
{
return(string.Empty);
}
ITextRange textRange = TextBufferHelper.ExpandSpanToFillWhitespace(textBuffer, (ITextRange) new TextRange(offset, offset), false, true);
return(textBuffer.GetText(textRange.Offset, textRange.Length));
}
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));
}
public string GetIndent(string childIndent)
{
if (this.documentNode == null)
{
return(string.Empty);
}
DocumentCompositeNode parent = this.documentNode.Parent;
if (parent == null)
{
return(string.Empty);
}
XamlSourceContext xamlSourceContext = (XamlSourceContext)null;
if (this.documentNode.IsChild)
{
for (int index = this.documentNode.SiteChildIndex - 1; index >= 0; --index)
{
xamlSourceContext = parent.Children[index].SourceContext as XamlSourceContext;
if (xamlSourceContext != null && xamlSourceContext.TextRange != null)
{
break;
}
}
}
bool flag = false;
while (parent != null && (xamlSourceContext == null || xamlSourceContext.TextRange == null))
{
xamlSourceContext = parent.SourceContext as XamlSourceContext ?? parent.ContainerSourceContext as XamlSourceContext;
parent = parent.Parent;
flag = true;
}
if (xamlSourceContext == null)
{
return(string.Empty);
}
IReadableSelectableTextBuffer hostBuffer = TextBufferHelper.GetHostBuffer(xamlSourceContext.TextBuffer);
ITextRange textRange = TextBufferHelper.ExpandSpanLeftToFillWhitespace((IReadableTextBuffer)hostBuffer, (ITextRange) new TextRange(xamlSourceContext.TextRange.Offset, xamlSourceContext.TextRange.Offset));
string str = hostBuffer.GetText(textRange.Offset, textRange.Length);
int num = str.LastIndexOf('\n');
if (num != -1)
{
str = str.Substring(num + 1);
}
if (flag)
{
str += childIndent;
}
return(str);
}
private static ITextRange CaculateTextRange(XamlSourceContext sourceContext, ITextBuffer textBuffer)
{
ITextRange textRange = sourceContext.TextRange;
IMappingTextRange mappingTextRange = textRange as IMappingTextRange;
if (mappingTextRange != null)
{
textRange = mappingTextRange.GetRangeForBuffer(textBuffer);
}
else if (TextBufferHelper.GetHostBuffer(sourceContext.TextBuffer) != TextBufferHelper.GetHostBuffer((IReadableSelectableTextBuffer)textBuffer))
{
return(TextRange.Null);
}
int offset = textRange.Offset;
return((ITextRange) new TextRange(offset, offset + textRange.Length));
}
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);
}
public static ITextRange ExpandSpanLeftToFillWhitespace(IReadableTextBuffer textBuffer, ITextRange span)
{
return(TextBufferHelper.ExpandSpanToFillWhitespace(textBuffer, span, true, false));
}
