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(" ", "").Replace("\t", "").Replace("\r", "").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)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.SINGLE_LINE_TEXT_ONLY);
var xmlEncodedContent = xmlReader.Value.ToXmlEncodedString(ignoreCarrier: true);
if (elementProcessContext.Current.IsPreservingSpace)
{
output.Append(xmlEncodedContent.Replace("\n", Environment.NewLine));
}
else
{
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
IEnumerable <string> textLines = xmlEncodedContent.Trim().Split('\n').Where(x => x.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(x => x == '\n'))
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MULTI_LINE_TEXT_ONLY);
}
}
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(" ", "").Replace("\t", "").Replace("\r", "").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)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.SINGLE_LINE_TEXT_ONLY);
var xmlEncodedContent = xmlReader.Value.ToXmlEncodedString(ignoreCarrier: true);
if (elementProcessContext.Current.IsPreservingSpace)
{
output.Append(xmlEncodedContent.Replace("\n", Environment.NewLine));
}
else
{
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
IEnumerable<string> textLines = xmlEncodedContent.Trim().Split('\n').Where(x => x.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(x => x == '\n'))
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MULTI_LINE_TEXT_ONLY);
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MIXED);
string currentIndentString = _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(x => x.TrimEnd(' '))));
if (content.TrimEnd(' ').EndsWith("\n"))
{
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 = _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(' ', _options.CommentSpaces)
.Append(content.Trim())
.Append(' ', _options.CommentSpaces).Append("-->");
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MIXED);
string currentIndentString = _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(x => x.TrimEnd(' '))));
if (content.TrimEnd(' ').EndsWith("\n"))
{
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 = _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(' ', _options.CommentSpaces)
.Append(content.Trim())
.Append(' ', _options.CommentSpaces).Append("-->");
}
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MIXED);
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
if (!output.IsNewLine())
{
output.Append(Environment.NewLine);
}
output.Append(currentIndentString).Append("<?Mapping ").Append(xmlReader.Value).Append(" ?>");
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MIXED);
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
if (!output.IsNewLine())
{
output.Append(Environment.NewLine);
}
output.Append(currentIndentString).Append("<?Mapping ").Append(xmlReader.Value).Append(" ?>");
}
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(">");
}
// Shrink the current element, if it has no content.
// E.g., <Element> </Element> => <Element />
else if (elementProcessContext.Current.ContentType == ContentTypeEnum.NONE && _options.RemoveEndingTagOfEmptyElement)
{
#region shrink element with no content
output = output.TrimEnd(' ', '\t', '\r', '\n');
int bracketIndex = output.LastIndexOf('>');
output.Insert(bracketIndex, '/');
if (output[bracketIndex - 1] != '\t' && output[bracketIndex - 1] != ' ' && _options.SpaceBeforeClosingSlash)
{
output.Insert(bracketIndex, ' ');
}
#endregion shrink element with no content
}
else if (elementProcessContext.Current.ContentType == ContentTypeEnum.SINGLE_LINE_TEXT_ONLY && elementProcessContext.Current.IsMultlineStartTag == false)
{
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 = _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)
{
if (elementProcessContext.Current.IsPreservingSpace)
{
output.Append("</").Append(xmlReader.Name).Append(">");
}
else if (elementProcessContext.Current.IsSignificantWhiteSpace && !output.IsNewLine())
{
output.Append("</").Append(xmlReader.Name).Append(">");
}
// Shrink the current element, if it has no content.
// E.g., <Element> </Element> => <Element />
else if (elementProcessContext.Current.ContentType == ContentTypeEnum.NONE && _options.RemoveEndingTagOfEmptyElement)
{
#region shrink element with no content
output = output.TrimEnd(' ', '\t', '\r', '\n');
int bracketIndex = output.LastIndexOf('>');
output.Insert(bracketIndex, '/');
if (output[bracketIndex - 1] != '\t' && output[bracketIndex - 1] != ' ' && _options.SpaceBeforeClosingSlash)
{
output.Insert(bracketIndex, ' ');
}
#endregion shrink element with no content
}
else if (elementProcessContext.Current.ContentType == ContentTypeEnum.SINGLE_LINE_TEXT_ONLY && elementProcessContext.Current.IsMultlineStartTag == false)
{
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 = _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)
{
// 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(ContentTypeEnum.MULTI_LINE_TEXT_ONLY);
if (!elementProcessContext.Current.IsPreservingSpace)
{
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
output.Append(currentIndentString);
}
}
else
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.SINGLE_LINE_TEXT_ONLY);
}
output.Append("<![CDATA[")
// 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.
.Append(xmlReader.Value.Replace("\n", Environment.NewLine)).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(ContentTypeEnum.MULTI_LINE_TEXT_ONLY);
if (!elementProcessContext.Current.IsPreservingSpace)
{
string currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
output.Append(currentIndentString);
}
}
else
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.SINGLE_LINE_TEXT_ONLY);
}
output.Append("<![CDATA[")
// 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.
.Append(xmlReader.Value.Replace("\n", Environment.NewLine)).Append("]]>");
}
private void ProcessAttributes(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext, bool isNoLineBreakElement, string attributeIndentationString)
{
var list = new List <AttributeInfo>(xmlReader.AttributeCount);
while (xmlReader.MoveToNextAttribute())
{
list.Add(_attributeInfoFactory.Create(xmlReader));
// 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 (_options.EnableAttributeReordering)
{
list.Sort(AttributeInfoComparison);
}
var noLineBreakInAttributes = (list.Count <= _options.AttributesTolerance) || isNoLineBreakElement;
var forceLineBreakInAttributes = false;
// Root element?
if (elementProcessContext.Count == 2)
{
switch (_options.RootElementLineBreakRule)
{
case LineBreakRule.Default:
break;
case LineBreakRule.Always:
noLineBreakInAttributes = false;
forceLineBreakInAttributes = true;
break;
case LineBreakRule.Never:
noLineBreakInAttributes = true;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
// No need to break attributes
if (noLineBreakInAttributes)
{
foreach (var attrInfo in list)
{
output
.Append(' ')
.Append(_attributeInfoFormatter.ToSingleLineString(attrInfo));
}
elementProcessContext.Current.IsMultlineStartTag = false;
}
// Need to break attributes
else
{
var attributeLines = new List <string>();
var currentLineBuffer = new StringBuilder();
int attributeCountInCurrentLineBuffer = 0;
AttributeInfo lastAttributeInfo = null;
foreach (AttributeInfo attrInfo in list)
{
// Attributes with markup extension, always put on new line
if (attrInfo.IsMarkupExtension && _options.FormatMarkupExtension)
{
if (currentLineBuffer.Length > 0)
{
attributeLines.Add(currentLineBuffer.ToString());
currentLineBuffer.Length = 0;
attributeCountInCurrentLineBuffer = 0;
}
attributeLines.Add(_attributeInfoFormatter.ToMultiLineString(attrInfo, attributeIndentationString));
}
else
{
string pendingAppend = _attributeInfoFormatter.ToSingleLineString(attrInfo);
bool isAttributeCharLengthExceeded =
(attributeCountInCurrentLineBuffer > 0 && _options.MaxAttributeCharatersPerLine > 0
&&
currentLineBuffer.Length + pendingAppend.Length > _options.MaxAttributeCharatersPerLine);
bool isAttributeCountExceeded =
(_options.MaxAttributesPerLine > 0 &&
attributeCountInCurrentLineBuffer + 1 > _options.MaxAttributesPerLine);
bool isAttributeRuleGroupChanged = _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;
}
currentLineBuffer.AppendFormat("{0} ", pendingAppend);
attributeCountInCurrentLineBuffer++;
}
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 (0 == i && _options.KeepFirstAttributeOnSameLine)
{
output
.Append(' ')
.Append(attributeLines[i].Trim());
}
else
{
output
.Append(Environment.NewLine)
.Append(_indentService.Normalize(attributeIndentationString + attributeLines[i].Trim()));
}
}
elementProcessContext.Current.IsMultlineStartTag = true;
}
}
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));
}
private string Format(string xamlSource)
{
StringBuilder output = new StringBuilder();
using (var sourceReader = new StringReader(xamlSource))
{
using (XmlReader xmlReader = XmlReader.Create(sourceReader))
{
var elementProcessContext = new ElementProcessContext();
while (xmlReader.Read())
{
IDocumentProcessor processor;
if (_documentProcessors.TryGetValue(xmlReader.NodeType, out processor))
{
processor.Process(xmlReader, output, elementProcessContext);
}
else
{
Trace.WriteLine($"Unprocessed NodeType: {xmlReader.NodeType} Name: {xmlReader.Name} Value: {xmlReader.Value}");
}
}
}
}
return output.ToString();
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
output.Append("<?xml ");
output.Append(xmlReader.Value.Trim());
output.Append(" ?>");
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
output.Append("<?xml ");
output.Append(xmlReader.Value.Trim());
output.Append(" ?>");
}
public void Process(XmlReader xmlReader, StringBuilder output, ElementProcessContext elementProcessContext)
{
elementProcessContext.UpdateParentElementProcessStatus(ContentTypeEnum.MIXED);
var elementName = xmlReader.Name;
elementProcessContext.Push(
new ElementProcessStatus
{
Parent = elementProcessContext.Current,
Name = elementName,
ContentType = ContentTypeEnum.NONE,
IsMultlineStartTag = false,
IsPreservingSpace = elementProcessContext.Current.IsPreservingSpace
}
);
var currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
var attributeIndetationString = GetAttributeIndetationString(xmlReader);
// Calculate how element should be indented
if (!elementProcessContext.Current.IsPreservingSpace)
{
// "Run" get special treatment to try to preserve spacing. Use xml:space='preserve' to make sure!
if (elementName.Equals("Run"))
{
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 = IsNoLineBreakElement(elementName);
ProcessAttributes(xmlReader, output, elementProcessContext, isNoLineBreakElement, attributeIndetationString);
}
// Determine if to put ending bracket on new line
bool putEndingBracketOnNewLine = (_options.PutEndingBracketOnNewLine && elementProcessContext.Current.IsMultlineStartTag);
if (putEndingBracketOnNewLine)
{
// Indent ending bracket just like an attribute
output
.Append(Environment.NewLine)
.Append(attributeIndetationString);
}
if (isEmptyElement)
{
if (putEndingBracketOnNewLine == false && _options.SpaceBeforeClosingSlash)
{
output.Append(' ');
}
output.Append("/>");
// Self closing element. Remember to pop element context.
elementProcessContext.Pop();
}
else
{
output.Append(">");
}
}
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(ContentTypeEnum.MIXED);
var elementName = xmlReader.Name;
elementProcessContext.Push(
new ElementProcessStatus
{
Parent = elementProcessContext.Current,
Name = elementName,
ContentType = ContentTypeEnum.NONE,
IsMultlineStartTag = false,
IsPreservingSpace = elementProcessContext.Current.IsPreservingSpace
}
);
var currentIndentString = _indentService.GetIndentString(xmlReader.Depth);
var attributeIndetationString = GetAttributeIndetationString(xmlReader);
// Calculate how element should be indented
if (!elementProcessContext.Current.IsPreservingSpace)
{
// "Run" get special treatment to try to preserve spacing. Use xml:space='preserve' to make sure!
if (elementName.Equals("Run"))
{
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 = IsNoLineBreakElement(elementName);
ProcessAttributes(xmlReader, output, elementProcessContext, isNoLineBreakElement, attributeIndetationString);
}
// Determine if to put ending bracket on new line
bool putEndingBracketOnNewLine = (_options.PutEndingBracketOnNewLine && elementProcessContext.Current.IsMultlineStartTag);
if(putEndingBracketOnNewLine)
{
// Indent ending bracket just like an attribute
output
.Append(Environment.NewLine)
.Append(attributeIndetationString);
}
if (isEmptyElement)
{
if (putEndingBracketOnNewLine == false && _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);
while (xmlReader.MoveToNextAttribute())
{
list.Add(_attributeInfoFactory.Create(xmlReader));
// 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 (_options.EnableAttributeReordering)
list.Sort(AttributeInfoComparison);
var noLineBreakInAttributes = (list.Count <= _options.AttributesTolerance) || isNoLineBreakElement;
var forceLineBreakInAttributes = false;
// Root element?
if (elementProcessContext.Count == 2)
{
switch (_options.RootElementLineBreakRule)
{
case LineBreakRule.Default:
break;
case LineBreakRule.Always:
noLineBreakInAttributes = false;
forceLineBreakInAttributes = true;
break;
case LineBreakRule.Never:
noLineBreakInAttributes = true;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
// No need to break attributes
if (noLineBreakInAttributes)
{
foreach (var attrInfo in list)
{
output
.Append(' ')
.Append(_attributeInfoFormatter.ToSingleLineString(attrInfo));
}
elementProcessContext.Current.IsMultlineStartTag = false;
}
// Need to break attributes
else
{
var attributeLines = new List<string>();
var currentLineBuffer = new StringBuilder();
int attributeCountInCurrentLineBuffer = 0;
AttributeInfo lastAttributeInfo = null;
foreach (AttributeInfo attrInfo in list)
{
// Attributes with markup extension, always put on new line
if (attrInfo.IsMarkupExtension && _options.FormatMarkupExtension)
{
if (currentLineBuffer.Length > 0)
{
attributeLines.Add(currentLineBuffer.ToString());
currentLineBuffer.Length = 0;
attributeCountInCurrentLineBuffer = 0;
}
attributeLines.Add(_attributeInfoFormatter.ToMultiLineString(attrInfo, attributeIndentationString));
}
else
{
string pendingAppend = _attributeInfoFormatter.ToSingleLineString(attrInfo);
bool isAttributeCharLengthExceeded =
(attributeCountInCurrentLineBuffer > 0 && _options.MaxAttributeCharatersPerLine > 0
&&
currentLineBuffer.Length + pendingAppend.Length > _options.MaxAttributeCharatersPerLine);
bool isAttributeCountExceeded =
(_options.MaxAttributesPerLine > 0 &&
attributeCountInCurrentLineBuffer + 1 > _options.MaxAttributesPerLine);
bool isAttributeRuleGroupChanged = _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;
}
currentLineBuffer.AppendFormat("{0} ", pendingAppend);
attributeCountInCurrentLineBuffer++;
}
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 (0 == i && _options.KeepFirstAttributeOnSameLine)
{
output
.Append(' ')
.Append(attributeLines[i].Trim());
}
else
{
output
.Append(Environment.NewLine)
.Append(_indentService.Normalize(attributeIndentationString + attributeLines[i].Trim()));
}
}
elementProcessContext.Current.IsMultlineStartTag = true;
}
}
