public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
// All newlines are returned by XmlReader as '\n' due to requirements in the XML Specification.
// http://www.w3.org/TR/2008/REC-xml-20081126/#sec-line-ends
// Change them back into the environment newline characters.
output.Append(xmlReader.Value.Replace("\n", Environment.NewLine));
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.Mixed);
string currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
string content = xmlReader.Value;
if ((output.Length > 0) && !output.IsNewLine())
{
output.Append(Environment.NewLine);
}
if (content.Contains("<") && content.Contains(">"))
{
output.Append(currentIndentString);
output.Append("<!--");
if (content.Contains("\n"))
{
output.Append(String.Join(Environment.NewLine, content.GetLines().Select(_ => _.TrimEnd(' '))));
if (content.TrimEnd(' ').EndsWith("\n", StringComparison.Ordinal))
{
output.Append(currentIndentString);
}
}
else
{
output.Append(content);
}
output.Append("-->");
}
else if (content.Contains("#region") || content.Contains("#endregion"))
{
output.Append(currentIndentString).Append("<!--").Append(content.Trim()).Append("-->");
}
else if (content.Contains("\n"))
{
output.Append(currentIndentString).Append("<!--");
var contentIndentString = this.indentService.GetIndentString(xmlReader.Depth + 1);
foreach (var line in content.Trim().GetLines())
{
output.Append(Environment.NewLine).Append(contentIndentString).Append(line.Trim());
}
output.Append(Environment.NewLine).Append(currentIndentString).Append("-->");
}
else
{
output
.Append(currentIndentString)
.Append("<!--")
.Append(' ', this.options.CommentSpaces)
.Append(content.Trim())
.Append(' ', this.options.CommentSpaces)
.Append("-->");
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
// If there is linefeed(s) between element and CDATA then treat CDATA as element and
// indent accordingly, otherwise treat as single line text.
if (output.IsNewLine())
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.MultiLineTextOnly);
if (!elementProcessContext.Current.IsPreservingSpace)
{
string currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
output.Append(currentIndentString);
}
}
else
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.SingleLineTextOnly);
}
// All newlines are returned by XmlReader as '\n' due to requirements in the XML Specification.
// http://www.w3.org/TR/2008/REC-xml-20081126/#sec-line-ends
// Change them back into the environment newline characters.
output.Append("<![CDATA[")
.Append(xmlReader.Value.Replace("\n", Environment.NewLine))
.Append("]]>");
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.SingleLineTextOnly);
var xmlEncodedContent = xmlReader.Value.ToXmlEncodedString(ignoreCarrier: true);
if (elementProcessContext.Current.IsPreservingSpace)
{
output.Append(xmlEncodedContent.Replace("\n", Environment.NewLine));
}
else
{
string currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
IEnumerable <string> textLines = xmlEncodedContent.Trim()
.Split('\n')
.Where(_ => (_.Trim().Length > 0))
.ToList();
foreach (var line in textLines)
{
var trimmedLine = line.Trim();
if (trimmedLine.Length > 0)
{
output.Append(Environment.NewLine).Append(currentIndentString).Append(trimmedLine);
}
}
}
if (xmlEncodedContent.Any(_ => (_ == '\n')))
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.MultiLineTextOnly);
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
var hasNewline = xmlReader.Value.Contains('\n');
if (elementProcessContext.Current.IsSignificantWhiteSpace && hasNewline)
{
elementProcessContext.Current.IsSignificantWhiteSpace = false;
}
if (hasNewline && !elementProcessContext.Current.IsPreservingSpace)
{
// For WhiteSpaces contain linefeed, trim all spaces/tab，
// since the intent of this whitespace node is to break line,
// and preserve the line feeds
output.Append(xmlReader.Value
.Replace(" ", String.Empty)
.Replace("\t", String.Empty)
.Replace("\r", String.Empty)
.Replace("\n", Environment.NewLine));
}
else
{
// Preserve "pure" WhiteSpace between elements
// e.g.,
// <TextBlock>
// <Run>A</Run> <Run>
// B
// </Run>
// </TextBlock>
output.Append(xmlReader.Value.Replace("\n", Environment.NewLine));
}
}
public void Process(
XmlReader xmlReader,
StringBuilder output,
ElementProcessContext elementProcessContext)
{
if (elementProcessContext.Current.IsPreservingSpace)
{
output.Append("</").Append(xmlReader.Name).Append(">");
}
else if (elementProcessContext.Current.IsSignificantWhiteSpace && !output.IsNewLine())
{
output.Append("</").Append(xmlReader.Name).Append(">");
}
else if ((elementProcessContext.Current.ContentType == ContentTypes.None) &&
this.options.RemoveEndingTagOfEmptyElement)
{
// Shrink the current element, if it has no content.
// E.g., <Element> </Element> => <Element />
output = output.TrimEnd(' ', '\t', '\r', '\n');
int bracketIndex = output.LastIndexOf('>');
output.Insert(bracketIndex, '/');
if ((output[bracketIndex - 1] != '\t') &&
(output[bracketIndex - 1] != ' ') &&
this.options.SpaceBeforeClosingSlash)
{
output.Insert(bracketIndex, ' ');
}
}
else if ((elementProcessContext.Current.ContentType == ContentTypes.SingleLineTextOnly) &&
!elementProcessContext.Current.IsMultlineStartTag)
{
int bracketIndex = output.LastIndexOf('>');
string text = output.Substring((bracketIndex + 1), (output.Length - bracketIndex - 1)).Trim();
output.Length = (bracketIndex + 1);
output.Append(text).Append("</").Append(xmlReader.Name).Append(">");
}
else
{
string currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
if (!output.IsNewLine())
{
output.Append(Environment.NewLine);
}
output.Append(currentIndentString).Append("</").Append(xmlReader.Name).Append(">");
}
elementProcessContext.Pop();
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.Mixed);
string currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
if (!output.IsNewLine())
{
output.Append(Environment.NewLine);
}
output.Append($"{currentIndentString}<?{xmlReader.Name} {xmlReader.Value}?>");
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypes.Mixed);
var elementName = xmlReader.Name;
elementProcessContext.Push(
new ElementProcessStatus
{
Parent = elementProcessContext.Current,
Name = elementName,
ContentType = ContentTypes.None,
IsMultlineStartTag = false,
IsPreservingSpace = elementProcessContext.Current.IsPreservingSpace
});
var currentIndentString = this.indentService.GetIndentString(xmlReader.Depth);
var attributeIndetationString = this.GetAttributeIndetationString(xmlReader);
// Calculate how element should be indented
if (!elementProcessContext.Current.IsPreservingSpace)
{
// Preserve spacing if element is an inline type has a parent that supports inline types.
if ((elementProcessContext.Current.Parent.Name != null) &&
this.inlineCollections.Any(elementProcessContext.Current.Parent.Name.Contains) &&
this.inlineTypes.Any(elementName.Contains))
{
elementProcessContext.Current.Parent.IsSignificantWhiteSpace = true;
if ((output.Length == 0) || output.IsNewLine())
{
output.Append(currentIndentString);
}
}
else
{
elementProcessContext.Current.Parent.IsSignificantWhiteSpace = false;
if ((output.Length == 0) || output.IsNewLine())
{
output.Append(currentIndentString);
}
else
{
output.Append(Environment.NewLine).Append(currentIndentString);
}
}
}
// Output the element itself.
output.Append('<').Append(elementName);
bool isEmptyElement = xmlReader.IsEmptyElement;
if (xmlReader.HasAttributes)
{
bool isNoLineBreakElement = this.IsNoLineBreakElement(elementName);
this.ProcessAttributes(
xmlReader,
output,
elementProcessContext,
isNoLineBreakElement,
attributeIndetationString);
}
// Determine if to put ending bracket on new line.
bool putEndingBracketOnNewLine = (this.options.PutEndingBracketOnNewLine &&
elementProcessContext.Current.IsMultlineStartTag);
if (putEndingBracketOnNewLine)
{
// Indent ending bracket just like an attribute.
output.Append(Environment.NewLine).Append(attributeIndetationString);
}
if (isEmptyElement)
{
if (!putEndingBracketOnNewLine && this.options.SpaceBeforeClosingSlash)
{
output.Append(' ');
}
output.Append("/>");
// Self closing element. Remember to pop element context.
elementProcessContext.Pop();
}
else
{
output.Append(">");
}
}
private void ProcessAttributes(
XmlReader xmlReader,
StringBuilder output,
ElementProcessContext elementProcessContext,
bool isNoLineBreakElement,
string attributeIndentationString)
{
var list = new List <AttributeInfo>(xmlReader.AttributeCount);
var firstLineList = new List <AttributeInfo>(xmlReader.AttributeCount);
while (xmlReader.MoveToNextAttribute())
{
var attributeInfo = this.attributeInfoFactory.Create(xmlReader);
list.Add(attributeInfo);
// Maintain separate list of first line attributes.
if (this.options.EnableAttributeReordering && this.IsFirstLineAttribute(attributeInfo.Name))
{
firstLineList.Add(attributeInfo);
}
// Check for xml:space as defined in http://www.w3.org/TR/2008/REC-xml-20081126/#sec-white-space
if (xmlReader.IsXmlSpaceAttribute())
{
elementProcessContext.Current.IsPreservingSpace = (xmlReader.Value == "preserve");
}
}
if (this.options.EnableAttributeReordering)
{
// .NET performs insertion sort if collection partition size is fewer than 16 elements, but it uses
// Heapsort or Quicksort under different conditions. This can lead to an unstable sort and randomized
// attributbes while formatting. Even though insertion sort is less performant, XAML elements with more
// than 16 attributes are not common, so the effect of forcing insertion sort is negligable in all but
// the most extreme of cases. - https://msdn.microsoft.com/en-us/library/b0zbh7b6(v=vs.110).aspx
list.InsertionSort(this.AttributeInfoComparison);
firstLineList.InsertionSort(this.AttributeInfoComparison);
}
var noLineBreakInAttributes = (list.Count <= this.options.AttributesTolerance) || isNoLineBreakElement;
var forceLineBreakInAttributes = false;
// Root element?
if (elementProcessContext.Count == 2)
{
switch (this.options.RootElementLineBreakRule)
{
case LineBreakRule.Default:
break;
case LineBreakRule.Always:
noLineBreakInAttributes = false;
forceLineBreakInAttributes = true;
break;
case LineBreakRule.Never:
noLineBreakInAttributes = true;
break;
default:
throw new NotImplementedException();
}
}
// No need to break attributes.
if (noLineBreakInAttributes)
{
foreach (var attrInfo in list)
{
var ignoreEncode = IsIgnoreEncodeForAttributes(attrInfo.Name);
output.Append(' ').Append(this.attributeInfoFormatter.ToSingleLineString(attrInfo, ignoreEncode));
}
elementProcessContext.Current.IsMultlineStartTag = false;
}
else
{
// Need to break attributes.
var attributeLines = new List <string>();
var currentLineBuffer = new StringBuilder();
int attributeCountInCurrentLineBuffer = 0;
int xmlnsAliasesBypassLengthInCurrentLine = 0;
AttributeInfo lastAttributeInfo = null;
// Process first line attributes.
string firstLine = String.Empty;
foreach (var attrInfo in firstLineList)
{
var ignoreEncode = IsIgnoreEncodeForAttributes(attrInfo.Name);
firstLine = $"{firstLine} {this.attributeInfoFormatter.ToSingleLineString(attrInfo, ignoreEncode)}";
}
if (firstLine.Length > 0)
{
attributeLines.Add(firstLine);
}
foreach (AttributeInfo attrInfo in list)
{
// Skip attributes already added to first line.
if (firstLineList.Contains(attrInfo))
{
continue;
}
// Attributes with markup extension, always put on new line
if (attrInfo.IsMarkupExtension && this.options.FormatMarkupExtension)
{
if (currentLineBuffer.Length > 0)
{
attributeLines.Add(currentLineBuffer.ToString());
currentLineBuffer.Length = 0;
attributeCountInCurrentLineBuffer = 0;
}
attributeLines.Add(
this.attributeInfoFormatter.ToMultiLineString(attrInfo, attributeIndentationString));
}
else
{
var ignoreEncode = IsIgnoreEncodeForAttributes(attrInfo.Name);
string pendingAppend = this.attributeInfoFormatter.ToSingleLineString(attrInfo, ignoreEncode);
var actualPendingAppend = this.xmlEscapingService.RestoreXmlnsAliasesBypass(pendingAppend);
xmlnsAliasesBypassLengthInCurrentLine += pendingAppend.Length - actualPendingAppend.Length;
bool isAttributeCharLengthExceeded = (attributeCountInCurrentLineBuffer > 0) &&
(this.options.MaxAttributeCharactersPerLine > 0) &&
((currentLineBuffer.Length + pendingAppend.Length - xmlnsAliasesBypassLengthInCurrentLine) > this.options.MaxAttributeCharactersPerLine);
bool isAttributeCountExceeded = (this.options.MaxAttributesPerLine > 0) &&
((attributeCountInCurrentLineBuffer + 1) > this.options.MaxAttributesPerLine);
bool isAttributeRuleGroupChanged = this.options.PutAttributeOrderRuleGroupsOnSeparateLines &&
(lastAttributeInfo != null) &&
(lastAttributeInfo.OrderRule.Group != attrInfo.OrderRule.Group);
if ((currentLineBuffer.Length > 0) &&
(forceLineBreakInAttributes || isAttributeCharLengthExceeded || isAttributeCountExceeded || isAttributeRuleGroupChanged))
{
attributeLines.Add(currentLineBuffer.ToString());
currentLineBuffer.Length = 0;
attributeCountInCurrentLineBuffer = 0;
xmlnsAliasesBypassLengthInCurrentLine = 0;
}
currentLineBuffer.AppendFormat(CultureInfo.InvariantCulture, "{0} ", pendingAppend);
attributeCountInCurrentLineBuffer++;
xmlnsAliasesBypassLengthInCurrentLine += pendingAppend.Length - actualPendingAppend.Length;
}
lastAttributeInfo = attrInfo;
}
if (currentLineBuffer.Length > 0)
{
attributeLines.Add(currentLineBuffer.ToString());
}
for (int i = 0; i < attributeLines.Count; i++)
{
// Put first attribute line on same line as element?
if ((i == 0) && (this.options.KeepFirstAttributeOnSameLine || (firstLineList.Count > 0)))
{
output.Append(' ').Append(attributeLines[i].Trim());
}
else
{
output.Append(Environment.NewLine)
.Append(this.indentService.Normalize(attributeIndentationString + attributeLines[i].Trim()));
}
}
elementProcessContext.Current.IsMultlineStartTag = true;
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
output.Append("<?xml ");
output.Append(xmlReader.Value.Trim());
output.Append(" ?>");
}
