/// <summary>
/// Creates a new <see cref="FixedHighlighter"/> for a copy of a portion
/// of the input document (including the original highlighting).
/// </summary>
public static FixedHighlighter CreateView(IHighlighter highlighter, int offset, int endOffset)
{
var oldDocument = highlighter.Document;
// ReadOnlyDocument would be better; but displaying the view in AvalonEdit
// requires a TextDocument
var newDocument = new TextDocument(oldDocument.CreateSnapshot(offset, endOffset - offset));
var oldStartLine = oldDocument.GetLineByOffset(offset);
var oldEndLine = oldDocument.GetLineByOffset(endOffset);
int oldStartLineNumber = oldStartLine.LineNumber;
HighlightedLine[] newLines = new HighlightedLine[oldEndLine.LineNumber - oldStartLineNumber + 1];
highlighter.BeginHighlighting();
try {
for (int i = 0; i < newLines.Length; i++) {
HighlightedLine oldHighlightedLine = highlighter.HighlightLine(oldStartLineNumber + i);
IDocumentLine newLine = newDocument.GetLineByNumber(1 + i);
HighlightedLine newHighlightedLine = new HighlightedLine(newDocument, newLine);
MoveSections(oldHighlightedLine.Sections, -offset, newLine.Offset, newLine.EndOffset, newHighlightedLine.Sections);
newHighlightedLine.ValidateInvariants();
newLines[i] = newHighlightedLine;
}
} finally {
highlighter.EndHighlighting();
}
return new FixedHighlighter(newDocument, newLines);
}
public void FindLocalReferences(ParseInformation parseInfo, ITextSource fileContent, IVariable variable, ICompilation compilation, Action <SearchResultMatch> callback, CancellationToken cancellationToken)
{
var csParseInfo = parseInfo as CSharpFullParseInformation;
if (csParseInfo == null)
{
throw new ArgumentException("Parse info does not have SyntaxTree");
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
new FindReferences().FindLocalReferences(
variable, csParseInfo.UnresolvedFile, csParseInfo.SyntaxTree, compilation,
delegate(AstNode node, ResolveResult result) {
if (document == null)
{
document = new ReadOnlyDocument(fileContent, parseInfo.FileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
var region = new DomRegion(parseInfo.FileName, node.StartLocation, node.EndLocation);
int offset = document.GetOffset(node.StartLocation);
int length = document.GetOffset(node.EndLocation) - offset;
var builder = SearchResultsPad.CreateInlineBuilder(node.StartLocation, node.EndLocation, document, highlighter);
var defaultTextColor = highlighter != null ? highlighter.DefaultTextColor : null;
callback(new SearchResultMatch(parseInfo.FileName, node.StartLocation, node.EndLocation, offset, length, builder, defaultTextColor));
}, cancellationToken);
if (highlighter != null)
{
highlighter.Dispose();
}
}
SearchedFile SearchForIssues(FileName fileName, ITextSource fileContent, IEnumerable <IssueManager.IssueProvider> providers, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var context = SDRefactoringContext.Create(fileName, fileContent, TextLocation.Empty, cancellationToken);
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
var results = new List <SearchResultMatch>();
foreach (var provider in providers)
{
cancellationToken.ThrowIfCancellationRequested();
foreach (var issue in provider.GetIssues(context))
{
if (document == null)
{
document = new ReadOnlyDocument(fileContent, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
results.Add(SearchResultMatch.Create(document, issue.Start, issue.End, highlighter));
}
}
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
return(new SearchedFile(fileName, results));
}
else
{
return(null);
}
}
/// <summary>
/// Creates a new <see cref="FixedHighlighter"/> for a copy of a portion
/// of the input document (including the original highlighting).
/// </summary>
public static FixedHighlighter CreateView(IHighlighter highlighter, int offset, int endOffset)
{
var oldDocument = highlighter.Document;
// ReadOnlyDocument would be better; but displaying the view in AvalonEdit
// requires a TextDocument
var newDocument = new TextDocument(oldDocument.CreateSnapshot(offset, endOffset - offset));
var oldStartLine = oldDocument.GetLineByOffset(offset);
var oldEndLine = oldDocument.GetLineByOffset(endOffset);
int oldStartLineNumber = oldStartLine.LineNumber;
HighlightedLine[] newLines = new HighlightedLine[oldEndLine.LineNumber - oldStartLineNumber + 1];
highlighter.BeginHighlighting();
try {
for (int i = 0; i < newLines.Length; i++)
{
HighlightedLine oldHighlightedLine = highlighter.HighlightLine(oldStartLineNumber + i);
IDocumentLine newLine = newDocument.GetLineByNumber(1 + i);
HighlightedLine newHighlightedLine = new HighlightedLine(newDocument, newLine);
MoveSections(oldHighlightedLine.Sections, -offset, newLine.Offset, newLine.EndOffset, newHighlightedLine.Sections);
newHighlightedLine.ValidateInvariants();
newLines[i] = newHighlightedLine;
}
} finally {
highlighter.EndHighlighting();
}
return(new FixedHighlighter(newDocument, newLines));
}
void FindReferencesInFile(SymbolSearchArgs searchArguments, ISymbol entity, FileName fileName, Action <SearchedFile> callback, CancellationToken cancellationToken)
{
ITextSource textSource = searchArguments.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
int offset = textSource.IndexOf(entity.Name, 0, textSource.TextLength, StringComparison.Ordinal);
if (offset < 0)
{
return;
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as XamlFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <SearchResultMatch> results = new List <SearchResultMatch>();
XamlAstResolver resolver = new XamlAstResolver(compilation, parseInfo);
do
{
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
var result = resolver.ResolveAtLocation(document.GetLocation(offset + entity.Name.Length / 2 + 1), cancellationToken);
int length = entity.Name.Length;
if ((result is TypeResolveResult && ((TypeResolveResult)result).Type.Equals(entity)) || (result is MemberResolveResult && ((MemberResolveResult)result).Member.Equals(entity)))
{
var region = new DomRegion(fileName, document.GetLocation(offset), document.GetLocation(offset + length));
var builder = SearchResultsPad.CreateInlineBuilder(region.Begin, region.End, document, highlighter);
results.Add(new SearchResultMatch(fileName, document.GetLocation(offset), document.GetLocation(offset + length), offset, length, builder, highlighter.DefaultTextColor));
}
offset = textSource.IndexOf(entity.Name, offset + length, textSource.TextLength - offset - length, StringComparison.OrdinalIgnoreCase);
} while (offset > 0);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
callback(new SearchedFile(fileName, results));
}
}
SearchedFile SearchFile(FileName fileName)
{
ITextSource source = fileFinder.Create(fileName);
if (source == null)
{
return(null);
}
ThrowIfCancellationRequested();
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
int offset = 0;
int length = source.TextLength;
if (Target == SearchTarget.CurrentSelection && Selection != null)
{
offset = Selection.Offset;
length = Selection.Length;
}
List <SearchResultMatch> results = new List <SearchResultMatch>();
foreach (var result in strategy.FindAll(source, offset, length))
{
ThrowIfCancellationRequested();
if (document == null)
{
document = new ReadOnlyDocument(source, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
var start = document.GetLocation(result.Offset);
var end = document.GetLocation(result.Offset + result.Length);
var builder = SearchResultsPad.CreateInlineBuilder(start, end, document, highlighter);
results.Add(new AvalonEditSearchResultMatch(fileName, start, end, result.Offset, result.Length, builder, highlighter.DefaultTextColor, result));
}
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
return(new SearchedFile(fileName, results));
}
else
{
return(null);
}
}
void textView_VisualLineConstructionStarting(object sender, VisualLineConstructionStartEventArgs e)
{
if (highlighter != null)
{
// Force update of highlighting state up to the position where we start generating visual lines.
// This is necessary in case the document gets modified above the FirstLineInView so that the highlighting state changes.
// We need to detect this case and issue a redraw (through OnHighlightStateChanged)
// before the visual line construction reuses existing lines that were built using the invalid highlighting state.
lineNumberBeingColorized = e.FirstLineInView.LineNumber - 1;
if (!isInHighlightingGroup)
{
// avoid opening group twice if there was an exception during the previous visual line construction
// (not ideal, but better than throwing InvalidOperationException "group already open"
// without any way of recovering)
highlighter.BeginHighlighting();
isInHighlightingGroup = true;
}
highlighter.UpdateHighlightingState(lineNumberBeingColorized);
lineNumberBeingColorized = 0;
}
}
void RenameReferencesInFile(SymbolRenameArgs args, IFindReferenceSearchScope searchScope, FileName fileName, Action <PatchedFile> callback, Action <Error> errorCallback, bool isNameValid, CancellationToken cancellationToken)
{
ITextSource textSource = args.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
if (searchScope.SearchTerm != null)
{
if (textSource.IndexOf(searchScope.SearchTerm, 0, textSource.TextLength, StringComparison.Ordinal) < 0)
{
return;
}
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as CSharpFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <RenameResultMatch> results = new List <RenameResultMatch>();
// Grab the unresolved file matching the compilation version
// (this may differ from the version created by re-parsing the project)
CSharpUnresolvedFile unresolvedFile = null;
IProjectContent pc = compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
if (pc != null)
{
unresolvedFile = pc.GetFile(fileName) as CSharpUnresolvedFile;
}
CSharpAstResolver resolver = new CSharpAstResolver(compilation, parseInfo.SyntaxTree, unresolvedFile);
fr.RenameReferencesInFile(
new[] { searchScope }, args.NewName, resolver,
delegate(RenameCallbackArguments callbackArgs) {
var node = callbackArgs.NodeToReplace;
string newCode = callbackArgs.NewNode.ToString();
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
if (args.ProvideHighlightedLine)
{
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
}
var startLocation = node.StartLocation;
var endLocation = node.EndLocation;
int offset = document.GetOffset(startLocation);
int length = document.GetOffset(endLocation) - offset;
if (args.ProvideHighlightedLine)
{
var builder = SearchResultsPad.CreateInlineBuilder(node.StartLocation, node.EndLocation, document, highlighter);
var defaultTextColor = highlighter != null ? highlighter.DefaultTextColor : null;
results.Add(new RenameResultMatch(fileName, startLocation, endLocation, offset, length, newCode, builder, defaultTextColor));
}
else
{
results.Add(new RenameResultMatch(fileName, startLocation, endLocation, offset, length, newCode));
}
},
errorCallback, cancellationToken);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
if (!isNameValid)
{
errorCallback(new Error(ErrorType.Error, string.Format("The name '{0}' is not valid in the current context!", args.NewName),
new DomRegion(fileName, results[0].StartLocation)));
return;
}
IDocument changedDocument = new TextDocument(document);
var oldVersion = changedDocument.Version;
foreach (var result in results.OrderByDescending(m => m.StartOffset))
{
changedDocument.Replace(result.StartOffset, result.Length, result.NewCode);
}
callback(new PatchedFile(fileName, results, oldVersion, changedDocument.Version));
}
}
void FindReferencesInFile(SymbolSearchArgs args, IFindReferenceSearchScope searchScope, FileName fileName, Action <SearchedFile> callback, CancellationToken cancellationToken)
{
ITextSource textSource = args.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
if (searchScope.SearchTerm != null)
{
if (textSource.IndexOf(searchScope.SearchTerm, 0, textSource.TextLength, StringComparison.Ordinal) < 0)
{
return;
}
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as CSharpFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <SearchResultMatch> results = new List <SearchResultMatch>();
// Grab the unresolved file matching the compilation version
// (this may differ from the version created by re-parsing the project)
CSharpUnresolvedFile unresolvedFile = null;
IProjectContent pc = compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
if (pc != null)
{
unresolvedFile = pc.GetFile(fileName) as CSharpUnresolvedFile;
}
fr.FindReferencesInFile(
searchScope, unresolvedFile, parseInfo.SyntaxTree, compilation,
delegate(AstNode node, ResolveResult result) {
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
Identifier identifier = node.GetChildByRole(Roles.Identifier);
if (!identifier.IsNull)
{
node = identifier;
}
var region = new DomRegion(fileName, node.StartLocation, node.EndLocation);
int offset = document.GetOffset(node.StartLocation);
int length = document.GetOffset(node.EndLocation) - offset;
var builder = SearchResultsPad.CreateInlineBuilder(node.StartLocation, node.EndLocation, document, highlighter);
var defaultTextColor = highlighter != null ? highlighter.DefaultTextColor : null;
results.Add(new SearchResultMatch(fileName, node.StartLocation, node.EndLocation, offset, length, builder, defaultTextColor));
}, cancellationToken);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
callback(new SearchedFile(fileName, results));
}
}
void RenameReferencesInFile(SymbolRenameArgs args, FileName fileName, Action <PatchedFile> callback, Action <Error> errorCallback, bool isNameValid, CancellationToken cancellationToken)
{
ITextSource textSource = args.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
int offset = textSource.IndexOf(entity.Name, 0, textSource.TextLength, StringComparison.Ordinal);
if (offset < 0)
{
return;
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as XamlFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <RenameResultMatch> results = new List <RenameResultMatch>();
XamlAstResolver resolver = new XamlAstResolver(compilation, parseInfo);
string newCode = args.NewName;
do
{
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
var result = resolver.ResolveAtLocation(document.GetLocation(offset + entity.Name.Length / 2 + 1), cancellationToken);
int length = entity.Name.Length;
if ((result is TypeResolveResult && ((TypeResolveResult)result).Type.Equals(entity)) || (result is MemberResolveResult && ((MemberResolveResult)result).Member.Equals(entity)))
{
var region = new DomRegion(fileName, document.GetLocation(offset), document.GetLocation(offset + length));
var builder = SearchResultsPad.CreateInlineBuilder(region.Begin, region.End, document, highlighter);
results.Add(new RenameResultMatch(fileName, document.GetLocation(offset), document.GetLocation(offset + length), offset, length, newCode, builder, highlighter.DefaultTextColor));
}
offset = textSource.IndexOf(entity.Name, offset + length, textSource.TextLength - offset - length, StringComparison.OrdinalIgnoreCase);
} while (offset > 0);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
if (!isNameValid)
{
errorCallback(new Error(ErrorType.Error, string.Format("The name '{0}' is not valid in the current context!", args.NewName),
new DomRegion(fileName, results[0].StartLocation)));
return;
}
IDocument changedDocument = new TextDocument(document);
var oldVersion = changedDocument.Version;
foreach (var result in results.OrderByDescending(m => m.StartOffset))
{
changedDocument.Replace(result.StartOffset, result.Length, result.NewCode);
}
callback(new PatchedFile(fileName, results, oldVersion, changedDocument.Version));
}
}
public void BeginHighlighting()
{
baseHighlighter.BeginHighlighting();
}