/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="errorDetails">Error details</param>
/// <param name="sourceCode">Source code</param>
/// <param name="currentFilePath">Path to current EcmaScript2015-file</param>
/// <returns>Detailed error message</returns>
private static string FormatErrorDetails(JToken errorDetails, string sourceCode,
string currentFilePath)
{
var message = errorDetails.Value <string>("message");
string file = currentFilePath;
var lineNumber = errorDetails.Value <int>("lineNumber");
var columnNumber = errorDetails.Value <int>("columnNumber");
string sourceFragment = SourceCodeNavigator.GetSourceFragment(sourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var errorMessage = new StringBuilder();
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Message, message);
if (!string.IsNullOrWhiteSpace(file))
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_File, file);
}
if (lineNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessage.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
CoreStrings.ErrorDetails_SourceError, sourceFragment);
}
return(errorMessage.ToString());
}
public TutorialStepPresenter(IStepView view, string contentPath, Lifetime lifetime, ISolution solution, IPsiFiles psiFiles,
TextControlManager textControlManager, IShellLocks shellLocks, IEditorManager editorManager,
DocumentManager documentManager, IUIApplication environment, IActionManager actionManager,
IPsiServices psiServices, IActionShortcuts shortcutManager)
{
_stepView = view;
Lifetime = lifetime;
Solution = solution;
PsiFiles = psiFiles;
TextControlManager = textControlManager;
ShellLocks = shellLocks;
EditorManager = editorManager;
DocumentManager = documentManager;
Environment = environment;
ActionManager = actionManager;
_contentPath = contentPath;
_codeNavigator = new SourceCodeNavigator(lifetime, solution, psiFiles, textControlManager, shellLocks, editorManager,
documentManager, environment);
_steps = new Dictionary <int, TutorialStep>();
_steps = TutorialXmlReader.ReadTutorialSteps(contentPath);
_currentStepId = TutorialXmlReader.ReadCurrentStep(contentPath);
CurrentStep = _steps[_currentStepId];
lifetime.AddBracket(
() => { _stepView.NextStep += GoNext; },
() => { _stepView.NextStep -= GoNext; });
ProcessStep();
}
/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="errorDetails">String representation of error</param>
/// <param name="sourceCode">Source code</param>
/// <param name="currentFilePath">Path to current CSS file</param>
/// <rereturns>Detailed error message</rereturns>
private static string FormatErrorDetails(string errorDetails, string sourceCode, string currentFilePath)
{
string errorMessage;
Match errorStringMatch = _errorStringRegex.Match(errorDetails);
if (errorStringMatch.Success)
{
GroupCollection errorStringGroups = errorStringMatch.Groups;
string message = errorStringGroups["message"].Value;
string errorCode = errorStringGroups["errorCode"].Value;
const int severity = 0;
string subcategory = errorStringGroups["subcategory"].Value;
string file = currentFilePath;
int lineNumber = int.Parse(errorStringGroups["lineNumber"].Value);
int columnNumber = int.Parse(errorStringGroups["columnNumber"].Value) + 1;
string sourceFragment = SourceCodeNavigator.GetSourceFragment(sourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Message,
message);
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ErrorCode,
errorCode);
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Severity,
severity.ToString(CultureInfo.InvariantCulture));
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Subcategory,
subcategory);
if (!string.IsNullOrWhiteSpace(file))
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_File, file);
}
if (lineNumber > 0)
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessageBuilder.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
CoreStrings.ErrorDetails_SourceError, sourceFragment);
}
errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
}
else
{
errorMessage = errorDetails;
}
return(errorMessage);
}
/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="errorDetails">Error details</param>
/// <param name="isError">Flag indicating that this issue is a error</param>
/// <param name="sourceCode">Source code</param>
/// <param name="currentFilePath">Path to current JS file</param>
/// <returns>Detailed error message</returns>
private static string FormatErrorDetails(JToken errorDetails, bool isError, string sourceCode,
string currentFilePath)
{
string message;
string file = currentFilePath;
int lineNumber = 0;
int columnNumber = 0;
var errorString = errorDetails.Value <string>("message");
Match errorStringMatch = _errorStringRegex.Match(errorString);
if (errorStringMatch.Success)
{
GroupCollection errorStringGroups = errorStringMatch.Groups;
message = errorStringGroups["message"].Value;
lineNumber = int.Parse(errorStringGroups["lineNumber"].Value);
columnNumber = int.Parse(errorStringGroups["columnNumber"].Value) + 1;
}
else
{
message = errorString;
if (isError)
{
lineNumber = errorDetails.Value <int>("lineNumber");
columnNumber = errorDetails.Value <int>("columnNumber");
}
}
string sourceFragment = SourceCodeNavigator.GetSourceFragment(sourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var errorMessage = new StringBuilder();
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ErrorType,
isError ? CoreStrings.ErrorType_Error : CoreStrings.ErrorType_Warning);
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Message, message);
if (!string.IsNullOrWhiteSpace(file))
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_File, file);
}
if (lineNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessage.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
CoreStrings.ErrorDetails_SourceError, sourceFragment);
}
return(errorMessage.ToString());
}
/// <summary>
/// Process a start tag
/// </summary>
/// <returns>Result of processing (true - is processed; false - is not processed)</returns>
private bool ProcessStartTag()
{
bool isProcessed = false;
string content = _innerContext.SourceCode;
Match startTagBeginPartMatch = _startTagBeginPartRegex.Match(content, _innerContext.Position,
_innerContext.RemainderLength);
if (startTagBeginPartMatch.Success)
{
string startTagName = startTagBeginPartMatch.Groups["tagName"].Value;
List <XmlAttribute> attributes = null;
bool isEmptyTag;
_innerContext.IncreasePosition(startTagBeginPartMatch.Length);
isProcessed = ProcessStartTagEndPart(out isEmptyTag);
if (!isProcessed)
{
attributes = ProcessAttributes();
isProcessed = ProcessStartTagEndPart(out isEmptyTag);
}
if (isProcessed)
{
attributes = attributes ?? new List <XmlAttribute>();
if (isEmptyTag)
{
_handlers.EmptyTag?.Invoke(_context, startTagName, attributes);
}
else
{
_tagStack.Push(new StackedXmlTag(startTagName, _innerContext.NodeCoordinates));
_handlers.StartTag?.Invoke(_context, startTagName, attributes);
}
}
else
{
int currentPosition = _innerContext.Position;
int invalidCharPosition = SourceCodeNavigator.FindNextNonWhitespaceChar(content,
currentPosition, _innerContext.RemainderLength);
int invalidCharOffset = invalidCharPosition - currentPosition;
if (invalidCharOffset > 0)
{
_innerContext.IncreasePosition(invalidCharOffset);
}
throw new MarkupParsingException(
string.Format(Strings.ErrorMessage_InvalidCharactersInStartTag, startTagName),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
}
return(isProcessed);
}
/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="errorDetails">Error details</param>
/// <param name="sourceCode">Source code</param>
/// <param name="currentFilePath">Path to current LESS file</param>
/// <returns>Detailed error message</returns>
private string FormatErrorDetails(JToken errorDetails, string sourceCode, string currentFilePath)
{
var type = errorDetails.Value <string>("type");
var message = errorDetails.Value <string>("message");
var filePath = errorDetails.Value <string>("fileName");
if (string.IsNullOrWhiteSpace(filePath))
{
filePath = currentFilePath;
}
var lineNumber = errorDetails.Value <int>("lineNumber");
var columnNumber = errorDetails.Value <int>("columnNumber");
string newSourceCode;
if (string.Equals(filePath, currentFilePath, StringComparison.OrdinalIgnoreCase))
{
newSourceCode = sourceCode;
}
else
{
newSourceCode = _virtualFileManager.ReadTextFile(filePath);
}
string sourceFragment = SourceCodeNavigator.GetSourceFragment(newSourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var errorMessage = new StringBuilder();
if (!string.IsNullOrWhiteSpace(type))
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ErrorType, type);
}
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Message, message);
if (!string.IsNullOrWhiteSpace(filePath))
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_File, filePath);
}
if (lineNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessage.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
CoreStrings.ErrorDetails_SourceError, sourceFragment);
}
return(errorMessage.ToString());
}
/// <summary>
/// Process a start tag
/// </summary>
/// <returns>Result of processing (true - is processed; false - is not processed)</returns>
private bool ProcessStartTag()
{
bool isProcessed = false;
string content = _innerContext.SourceCode;
Match startTagBeginPartMatch = _startTagBeginPartRegex.Match(content, _innerContext.Position,
_innerContext.RemainderLength);
if (startTagBeginPartMatch.Success)
{
string startTagName = startTagBeginPartMatch.Groups["tagName"].Value;
string startTagNameInLowercase = startTagName;
if (Utils.ContainsUppercaseCharacters(startTagName))
{
startTagNameInLowercase = startTagName.ToLowerInvariant();
}
List <HtmlAttribute> attributes = null;
bool isEmptyTag;
_innerContext.IncreasePosition(startTagBeginPartMatch.Length);
isProcessed = ProcessStartTagEndPart(out isEmptyTag);
if (!isProcessed)
{
attributes = ProcessAttributes();
isProcessed = ProcessStartTagEndPart(out isEmptyTag);
}
if (isProcessed)
{
attributes = attributes ?? new List <HtmlAttribute>();
ParseStartTag(startTagName, startTagNameInLowercase, attributes, isEmptyTag);
}
else
{
int currentPosition = _innerContext.Position;
int invalidCharPosition = SourceCodeNavigator.FindNextNonWhitespaceChar(content,
currentPosition, _innerContext.RemainderLength);
int invalidCharOffset = invalidCharPosition - currentPosition;
if (invalidCharOffset > 0)
{
_innerContext.IncreasePosition(invalidCharOffset);
}
throw new MarkupParsingException(
string.Format(Strings.ErrorMessage_InvalidCharactersInStartTag, startTagName),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
}
return(isProcessed);
}
/// <summary>
/// Process a end tag
/// </summary>
/// <returns>Result of processing (true - is processed; false - is not processed)</returns>
private bool ProcessEndTag()
{
bool isProcessed = false;
string content = _innerContext.SourceCode;
int contentRemainderLength = _innerContext.RemainderLength;
var match = _endTagRegex.Match(content, _innerContext.Position, contentRemainderLength);
if (match.Success)
{
string endTag = match.Value;
string endTagName = match.Groups["tagName"].Value;
if (_tagStack.Count == 0)
{
throw new XmlParsingException(
string.Format(Strings.ErrorMessage_StartTagNotDeclared, endTagName),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
StackedXmlTag stackedTag = _tagStack.Pop();
if (stackedTag.Name != endTagName)
{
if (_tagStack.Count(t => t.Name == endTagName) > 0)
{
throw new XmlParsingException(
string.Format(Strings.ErrorMessage_NotClosedTag, stackedTag.Name),
stackedTag.Coordinates,
SourceCodeNavigator.GetSourceFragment(_innerContext.SourceCode, stackedTag.Coordinates));
}
throw new XmlParsingException(
string.Format(Strings.ErrorMessage_StartTagNotDeclared, endTagName),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
if (_handlers.EndTag != null)
{
_handlers.EndTag(_context, endTagName);
}
_innerContext.IncreasePosition(endTag.Length);
isProcessed = true;
}
return(isProcessed);
}
private ProcessingResult CreateProcessingResultFromJson(JObject resultJson, string content,
string inputPath)
{
string processedContent = resultJson.Value <string>("processedContent");
string sourceMap = resultJson.Value <string>("sourceMap");
if (_options.SourceMap && string.IsNullOrWhiteSpace(sourceMap))
{
sourceMap = SourceMapExtractor.ExtractSourceMap(processedContent);
}
var warnings = new List <ProblemInfo>();
var warningsJson = resultJson["warnings"] as JArray;
if (warningsJson != null && warningsJson.Count > 0)
{
foreach (JObject warningJson in warningsJson)
{
var message = warningJson.Value <string>("message");
string description = warningJson.Value <string>("description");
string file = warningJson.Value <string>("file");
var lineNumber = warningJson.Value <int>("lineNumber");
var columnNumber = warningJson.Value <int>("columnNumber");
string sourceFragment = string.Empty;
if (file == inputPath)
{
sourceFragment = SourceCodeNavigator.GetSourceFragment(content,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
}
warnings.Add(new ProblemInfo
{
Message = message,
Description = description,
File = file,
LineNumber = lineNumber,
ColumnNumber = columnNumber,
SourceFragment = sourceFragment
});
}
}
var processingResult = new ProcessingResult(processedContent, sourceMap, warnings);
return(processingResult);
}
/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="errorDetails">Error details</param>
/// <param name="currentFilePath">Path to current TypeScript file</param>
/// <returns>Detailed error message</returns>
private string FormatErrorDetails(JToken errorDetails, string currentFilePath)
{
var message = errorDetails.Value <string>("message");
var filePath = errorDetails.Value <string>("fileName");
if (string.IsNullOrWhiteSpace(filePath))
{
filePath = currentFilePath;
}
var lineNumber = errorDetails.Value <int>("lineNumber");
var columnNumber = errorDetails.Value <int>("columnNumber");
string newSourceCode = _virtualFileManager.ReadFile(filePath);
string sourceFragment = SourceCodeNavigator.GetSourceFragment(newSourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_Message, message);
if (!string.IsNullOrWhiteSpace(filePath))
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_File, filePath);
}
if (lineNumber > 0)
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessageBuilder.AppendFormatLine("{0}: {1}", CoreStrings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessageBuilder.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
CoreStrings.ErrorDetails_SourceError, sourceFragment);
}
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
return(errorMessage);
}
/// <summary>
/// Increases a current parsing position
/// </summary>
/// <param name="increment">Increment</param>
public void IncreasePosition(int increment)
{
int oldPosition = _position;
int newPosition = oldPosition + increment;
int fragmentStartPosition = oldPosition;
int fragmentLength = increment;
int lineBreakCount;
int charRemainderCount;
SourceCodeNavigator.CalculateLineBreakCount(_sourceCode, fragmentStartPosition, fragmentLength,
out lineBreakCount, out charRemainderCount);
SourceCodeNodeCoordinates currentNodeCoordinates = _nodeCoordinates;
_nodeCoordinates = SourceCodeNavigator.CalculateAbsoluteNodeCoordinates(currentNodeCoordinates,
lineBreakCount, charRemainderCount);
_position = newPosition;
}
private AutoprefixerProcessingException CreateProcessingExceptionFromJson(JToken error,
string content, string inputPath)
{
var message = error.Value <string>("message");
string description = error.Value <string>("description");
if (string.IsNullOrWhiteSpace(description))
{
description = message;
}
string type = error.Value <string>("type");
string file = error.Value <string>("file");
if (string.IsNullOrWhiteSpace(file) && !string.IsNullOrWhiteSpace(inputPath))
{
file = inputPath;
}
var lineNumber = error.Value <int>("lineNumber");
var columnNumber = error.Value <int>("columnNumber");
string sourceFragment = string.Empty;
if (file == inputPath)
{
sourceFragment = SourceCodeNavigator.GetSourceFragment(content,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
}
var processingException = new AutoprefixerProcessingException(message)
{
Description = description,
Type = type,
File = file,
LineNumber = lineNumber,
ColumnNumber = columnNumber,
SourceFragment = sourceFragment
};
return(processingException);
}
public TutorialStepPresenter(IStepView view, string contentPath, Lifetime lifetime, ISolution solution,
IPsiFiles psiFiles,
ChangeManager changeManager, TextControlManager textControlManager, IShellLocks shellLocks,
IEditorManager editorManager,
DocumentManager documentManager, IUIApplication environment, IActionManager actionManager)
{
_stepView = view;
_lifetime = lifetime;
Solution = solution;
PsiFiles = psiFiles;
ChangeManager = changeManager;
TextControlManager = textControlManager;
ShellLocks = shellLocks;
EditorManager = editorManager;
DocumentManager = documentManager;
Environment = environment;
ActionManager = actionManager;
_codeNavigator = new SourceCodeNavigator(lifetime, solution, psiFiles, shellLocks,
editorManager,
documentManager);
_steps = new Dictionary <int, TutorialStep>();
var tutorialXmlReader = new TutorialXmlReader(actionManager);
_steps = tutorialXmlReader.ReadTutorialSteps(contentPath);
Title = TutorialXmlReader.ReadTitle(contentPath);
//TODO: get rid of _currentStepId
_currentStepId = 1;
CurrentStep = _steps[_currentStepId];
_stepView.StepCount = _steps.Count;
lifetime.AddBracket(
() => { _stepView.NextStep += StepOnStepIsDone; },
() => { _stepView.NextStep -= StepOnStepIsDone; });
ProcessCurrentStep();
}
private static CompilationResult EndCompile(SassContextBase context)
{
CompilationResult result;
SassErrorInfo error = context.Error;
if (error == null)
{
result = new CompilationResult
{
CompiledContent = context.OutputString,
IncludedFilePaths = context.IncludedFiles.ToList(),
SourceMap = context.SourceMapString
};
}
else
{
string message = error.Message.TrimEnd();
string sourceCode = error.Source;
int lineNumber = error.Line;
int columnNumber = error.Column;
string sourceFragment = SourceCodeNavigator.GetSourceFragment(sourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
throw new SassCompilationException(message)
{
ErrorCode = error.Status,
Description = error.Text,
File = error.File,
LineNumber = lineNumber,
ColumnNumber = columnNumber,
SourceFragment = sourceFragment
};
}
return(result);
}
/// <summary>
/// Generates a detailed error message
/// </summary>
/// <param name="sassСompilationException">Sass compilation exception</param>
/// <returns>Detailed error message</returns>
public static string Format(SassСompilationException sassСompilationException)
{
string message = sassСompilationException.Text;
string filePath = sassСompilationException.File;
int lineNumber = sassСompilationException.LineNumber;
int columnNumber = sassСompilationException.ColumnNumber;
string sourceCode = sassСompilationException.Source;
string sourceFragment = SourceCodeNavigator.GetSourceFragment(sourceCode,
new SourceCodeNodeCoordinates(lineNumber, columnNumber));
var errorMessage = new StringBuilder();
errorMessage.AppendFormatLine("{0}: {1}", Strings.ErrorDetails_Message, message);
if (!string.IsNullOrWhiteSpace(filePath))
{
errorMessage.AppendFormatLine("{0}: {1}", Strings.ErrorDetails_File, filePath);
}
if (lineNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", Strings.ErrorDetails_LineNumber,
lineNumber.ToString(CultureInfo.InvariantCulture));
}
if (columnNumber > 0)
{
errorMessage.AppendFormatLine("{0}: {1}", Strings.ErrorDetails_ColumnNumber,
columnNumber.ToString(CultureInfo.InvariantCulture));
}
if (!string.IsNullOrWhiteSpace(sourceFragment))
{
errorMessage.AppendFormatLine("{1}:{0}{0}{2}", Environment.NewLine,
Strings.ErrorDetails_SourceFragment,
sourceFragment);
}
return(errorMessage.ToString());
}
/// <summary>
/// Gets a source fragment
/// </summary>
/// <returns>Source fragment</returns>
public string GetSourceFragment()
{
return(SourceCodeNavigator.GetSourceFragment(_sourceCode, _nodeCoordinates));
}
/// <summary>
/// Parses XML content
/// </summary>
/// <param name="content">XML content</param>
public void Parse(string content)
{
int contentLength = content.Length;
if (contentLength == 0)
{
return;
}
lock (_parsingSynchronizer)
{
_innerContext = new InnerMarkupParsingContext(content);
_context = new MarkupParsingContext(_innerContext);
_tagStack = new Stack <StackedXmlTag>();
int endPosition = contentLength - 1;
int previousPosition = -1;
try
{
while (_innerContext.Position <= endPosition)
{
bool isProcessed = false;
if (content.CustomStartsWith("<", _innerContext.Position, StringComparison.Ordinal))
{
if (content.CustomStartsWith("</", _innerContext.Position, StringComparison.Ordinal))
{
// End tag
isProcessed = ProcessEndTag();
}
else if (content.CustomStartsWith("<!", _innerContext.Position, StringComparison.Ordinal))
{
// XML comments
isProcessed = ProcessComment();
if (!isProcessed)
{
// CDATA sections
isProcessed = ProcessCdataSection();
}
if (!isProcessed)
{
// Doctype declaration
isProcessed = ProcessDoctype();
}
}
else if (content.CustomStartsWith("<?", _innerContext.Position, StringComparison.Ordinal))
{
// XML declaration and processing instructions
isProcessed = ProcessProcessingInstruction();
}
else
{
// Start tag
isProcessed = ProcessStartTag();
}
}
if (!isProcessed)
{
// Text
ProcessText();
}
if (_innerContext.Position == previousPosition)
{
throw new XmlParsingException(
string.Format(Strings.ErrorMessage_MarkupParsingFailed, "XML"),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
previousPosition = _innerContext.Position;
}
// Check whether there were not closed tags
if (_tagStack.Count > 0)
{
StackedXmlTag stackedTag = _tagStack.Pop();
throw new XmlParsingException(
string.Format(Strings.ErrorMessage_NotClosedTag, stackedTag.Name),
stackedTag.Coordinates,
SourceCodeNavigator.GetSourceFragment(_innerContext.SourceCode, stackedTag.Coordinates));
}
}
catch (XmlParsingException)
{
throw;
}
finally
{
_tagStack.Clear();
_context = null;
_innerContext = null;
}
}
}
/// <summary>
/// Parses XML content
/// </summary>
/// <param name="content">XML content</param>
public void Parse(string content)
{
int contentLength = content.Length;
if (contentLength == 0)
{
return;
}
lock (_parsingSynchronizer)
{
_innerContext = new InnerMarkupParsingContext(content);
_context = new MarkupParsingContext(_innerContext);
int endPosition = contentLength - 1;
int previousPosition = -1;
try
{
while (_innerContext.Position <= endPosition)
{
bool isProcessed = false;
if (_innerContext.PeekCurrentChar() == '<')
{
switch (_innerContext.PeekNextChar())
{
case char c when IsTagFirstChar(c):
// Start tag
isProcessed = ProcessStartTag();
break;
case '/':
if (IsTagFirstChar(_innerContext.PeekNextChar()))
{
// End tag
isProcessed = ProcessEndTag();
}
break;
case '!':
switch (_innerContext.PeekNextChar())
{
case '-':
if (_innerContext.PeekNextChar() == '-')
{
// XML comments
isProcessed = ProcessComment();
}
break;
case '[':
// CDATA sections
isProcessed = ProcessCdataSection();
break;
case 'D':
// Doctype declaration
isProcessed = ProcessDoctype();
break;
}
break;
case '?':
// XML declaration and processing instructions
isProcessed = ProcessProcessingInstruction();
break;
}
}
if (!isProcessed)
{
// Text
ProcessText();
}
if (_innerContext.Position == previousPosition)
{
throw new MarkupParsingException(
string.Format(Strings.ErrorMessage_MarkupParsingFailed, "XML"),
_innerContext.NodeCoordinates, _innerContext.GetSourceFragment());
}
previousPosition = _innerContext.Position;
}
// Check whether there were not closed tags
if (_tagStack.Count > 0)
{
StackedXmlTag stackedTag = _tagStack.Pop();
throw new MarkupParsingException(
string.Format(Strings.ErrorMessage_NotClosedTag, stackedTag.Name),
stackedTag.Coordinates,
SourceCodeNavigator.GetSourceFragment(_innerContext.SourceCode, stackedTag.Coordinates));
}
}
catch (MarkupParsingException)
{
throw;
}
finally
{
_tagStack.Clear();
_context = null;
_innerContext = null;
}
}
}
/// <summary>
/// Process a attributes
/// </summary>
/// <returns>List of attributes</returns>
private List <HtmlAttribute> ProcessAttributes()
{
string content = _innerContext.SourceCode;
int currentPosition = _innerContext.Position;
SourceCodeNodeCoordinates currentCoordinates = _innerContext.NodeCoordinates;
Match match = _attributeRegex.Match(content, currentPosition, _innerContext.RemainderLength);
while (match.Success)
{
GroupCollection groups = match.Groups;
Group attributeNameGroup = groups["attributeName"];
Group attributeEqualSignGroup = groups["attributeEqualSign"];
Group attributeValueGroup = groups["attributeValue"];
string attributeName = attributeNameGroup.Value;
string attributeNameInLowercase = attributeName;
if (Utils.ContainsUppercaseCharacters(attributeName))
{
attributeNameInLowercase = attributeName.ToLowerInvariant();
}
string attributeValue = null;
if (attributeEqualSignGroup.Success)
{
if (attributeValueGroup.Success)
{
attributeValue = attributeValueGroup.Value;
if (!string.IsNullOrWhiteSpace(attributeValue))
{
attributeValue = HtmlAttributeValueHelpers.Decode(attributeValue);
}
}
else
{
attributeValue = string.Empty;
}
}
var attributeNameCoordinates = SourceCodeNodeCoordinates.Empty;
int attributeNamePosition = -1;
if (attributeNameGroup.Success)
{
attributeNamePosition = attributeNameGroup.Index;
}
if (attributeNamePosition != -1)
{
int lineBreakCount;
int charRemainderCount;
SourceCodeNavigator.CalculateLineBreakCount(content, currentPosition,
attributeNamePosition - currentPosition, out lineBreakCount, out charRemainderCount);
attributeNameCoordinates = SourceCodeNavigator.CalculateAbsoluteNodeCoordinates(
currentCoordinates, lineBreakCount, charRemainderCount);
currentPosition = attributeNamePosition;
currentCoordinates = attributeNameCoordinates;
}
var attributeValueCoordinates = SourceCodeNodeCoordinates.Empty;
int attributeValuePosition = -1;
if (attributeValueGroup.Success)
{
attributeValuePosition = attributeValueGroup.Index;
}
if (attributeValuePosition != -1)
{
int lineBreakCount;
int charRemainderCount;
SourceCodeNavigator.CalculateLineBreakCount(content, currentPosition,
attributeValuePosition - currentPosition, out lineBreakCount, out charRemainderCount);
attributeValueCoordinates = SourceCodeNavigator.CalculateAbsoluteNodeCoordinates(
currentCoordinates, lineBreakCount, charRemainderCount);
currentPosition = attributeValuePosition;
currentCoordinates = attributeValueCoordinates;
}
var attribute = new HtmlAttribute(attributeName, attributeNameInLowercase, attributeValue,
HtmlAttributeType.Unknown, attributeNameCoordinates, attributeValueCoordinates);
_tempAttributes.Add(attribute);
_innerContext.IncreasePosition(match.Length);
match = _attributeRegex.Match(content, _innerContext.Position, _innerContext.RemainderLength);
}
int attributeCount = _tempAttributes.Count;
var attributes = new List <HtmlAttribute>(attributeCount);
for (int attributeIndex = 0; attributeIndex < attributeCount; attributeIndex++)
{
attributes.Add(_tempAttributes[attributeIndex]);
}
_tempAttributes.Clear();
return(attributes);
}
/// <summary>
/// Process a XML declaration and processing instructions
/// </summary>
/// <returns>Result of processing (true - is processed; false - is not processed)</returns>
private bool ProcessProcessingInstruction()
{
bool isProcessed = false;
string content = _innerContext.SourceCode;
Match processingInstructionBeginPartMatch = _processingInstructionBeginPartRegex.Match(content,
_innerContext.Position, _innerContext.RemainderLength);
if (processingInstructionBeginPartMatch.Success)
{
string instructionName = processingInstructionBeginPartMatch.Groups["instructionName"].Value;
bool isXmlDeclaration = instructionName.Equals("xml", StringComparison.OrdinalIgnoreCase);
List <XmlAttribute> attributes = null;
_innerContext.IncreasePosition(processingInstructionBeginPartMatch.Length);
isProcessed = ProcessProcessingInstructionEndPart();
if (!isProcessed)
{
attributes = ProcessAttributes();
isProcessed = ProcessProcessingInstructionEndPart();
}
if (isProcessed)
{
attributes = attributes ?? new List <XmlAttribute>();
if (isXmlDeclaration)
{
_handlers.XmlDeclaration?.Invoke(_context, attributes);
}
else
{
_handlers.ProcessingInstruction?.Invoke(_context, instructionName, attributes);
}
}
else
{
int currentPosition = _innerContext.Position;
int invalidCharPosition = SourceCodeNavigator.FindNextNonWhitespaceChar(content,
currentPosition, _innerContext.RemainderLength);
int invalidCharOffset = invalidCharPosition - currentPosition;
if (invalidCharOffset > 0)
{
_innerContext.IncreasePosition(invalidCharOffset);
}
string errorMessage = isXmlDeclaration ?
Strings.ErrorMessage_InvalidCharactersInXmlDeclaration
:
string.Format(Strings.ErrorMessage_InvalidCharactersInProcessingInstruction,
instructionName)
;
throw new MarkupParsingException(errorMessage, _innerContext.NodeCoordinates,
_innerContext.GetSourceFragment());
}
}
return(isProcessed);
}
