Ejemplo n.º 1
0
        public sealed override bool ShouldTriggerCompletion(SourceText text, int caretPosition, CompletionTrigger trigger, OptionSet options)
        {
            var lineStart = text.Lines.GetLineFromPosition(caretPosition).Start;

            // check if the line starts with {whitespace}#{whitespace}{DirectiveName}{whitespace}"

            var poundIndex = text.IndexOfNonWhiteSpace(lineStart, caretPosition - lineStart);

            if (poundIndex == -1 || text[poundIndex] != '#')
            {
                return(false);
            }

            var directiveNameStartIndex = text.IndexOfNonWhiteSpace(poundIndex + 1, caretPosition - poundIndex - 1);

            if (directiveNameStartIndex == -1 || !text.ContentEquals(directiveNameStartIndex, DirectiveName))
            {
                return(false);
            }

            var directiveNameEndIndex = directiveNameStartIndex + DirectiveName.Length;
            var quoteIndex            = text.IndexOfNonWhiteSpace(directiveNameEndIndex, caretPosition - directiveNameEndIndex);

            if (quoteIndex == -1 || text[quoteIndex] != '"')
            {
                return(false);
            }

            return(true);
        }
Ejemplo n.º 2
0
        public static IReadOnlyList <TextChange> GetMinimalTextChanges(SourceText oldText, SourceText newText, bool lineDiffOnly = true)
        {
            if (oldText is null)
            {
                throw new ArgumentNullException(nameof(oldText));
            }

            if (newText is null)
            {
                throw new ArgumentNullException(nameof(newText));
            }

            if (oldText.ContentEquals(newText))
            {
                return(Array.Empty <TextChange>());
            }
            else if (oldText.Length == 0 || newText.Length == 0)
            {
                return(newText.GetTextChanges(oldText));
            }

            var differ = new SourceTextDiffer(oldText, newText, lineDiffOnly);
            var edits  = differ.ComputeDiff();

            var changes = differ.ProcessChanges(edits);

            Debug.Assert(oldText.WithChanges(changes).ContentEquals(newText), "Incorrect minimal changes");

            return(changes);
        }
Ejemplo n.º 3
0
 private static TextAndVersion GetProperTextAndVersion(SourceText oldText, SourceText newText, VersionStamp version, string filePath)
 {
     // if the supplied text is the same as the previous text, then also use same version
     // otherwise use new version
     return(oldText.ContentEquals(newText)
         ? TextAndVersion.Create(newText, version, filePath)
         : TextAndVersion.Create(newText, version.GetNewerVersion(), filePath));
 }
Ejemplo n.º 4
0
        protected override bool ContentEqualsImpl(SourceText other)
        {
            var otherChecksum = other as ChecksumSourceText;

            if (otherChecksum != null)
            {
                return(Checksum == otherChecksum.Checksum);
            }

            return(_sourceText.ContentEquals(other));
        }
        public override void PublishHtml(string filePath, SourceText sourceText, long hostDocumentVersion)
        {
            if (filePath is null)
            {
                throw new ArgumentNullException(nameof(filePath));
            }

            if (sourceText is null)
            {
                throw new ArgumentNullException(nameof(sourceText));
            }

            _foregroundDispatcher.AssertForegroundThread();

            if (!_publishedHtmlData.TryGetValue(filePath, out var previouslyPublishedData))
            {
                previouslyPublishedData = PublishData.Default;
            }

            IReadOnlyList <TextChange> textChanges = Array.Empty <TextChange>();

            if (!sourceText.ContentEquals(previouslyPublishedData.SourceText))
            {
                textChanges = sourceText.GetTextChanges(previouslyPublishedData.SourceText);
            }
            else if (hostDocumentVersion == previouslyPublishedData.HostDocumentVersion)
            {
                // Source texts match along with host document versions. We've already published something that looks like this. No-op.
                return;
            }

            _publishedHtmlData[filePath] = new PublishData(sourceText, hostDocumentVersion);

            var request = new UpdateBufferRequest()
            {
                HostDocumentFilePath = filePath,
                Changes             = textChanges,
                HostDocumentVersion = hostDocumentVersion,
            };

            _server.Value.Client.SendRequest(LanguageServerConstants.RazorUpdateHtmlBufferEndpoint, request);
        }
Ejemplo n.º 6
0
        public static void DoVsCodeHack(string relatedDirectory, string fileName, SourceText sourceText)
        {
            try
            {
                var filePath = Path.Combine(relatedDirectory, fileName);
                if (File.Exists(filePath))
                {
                    var fileText       = File.ReadAllText(filePath);
                    var sourceFileText = SourceText.From(fileText, Encoding.UTF8);
                    if (sourceText.ContentEquals(sourceFileText))
                    {
                        return;
                    }
                }

                using var writer = new StreamWriter(filePath);
                sourceText.Write(writer);
            }
            catch (Exception)
            {
                return; // We don't really care if the VSCode hack fails.
            }
        }
Ejemplo n.º 7
0
        public override void Publish(string filePath, SourceText sourceText, long hostDocumentVersion)
        {
            if (filePath is null)
            {
                throw new ArgumentNullException(nameof(filePath));
            }

            if (sourceText is null)
            {
                throw new ArgumentNullException(nameof(sourceText));
            }

            _foregroundDispatcher.AssertForegroundThread();

            if (!_publishedSourceText.TryGetValue(filePath, out var previouslyPublishedText))
            {
                previouslyPublishedText = EmptySourceText;
            }

            IReadOnlyList <TextChange> textChanges = Array.Empty <TextChange>();

            if (!sourceText.ContentEquals(previouslyPublishedText))
            {
                textChanges = sourceText.GetTextChanges(previouslyPublishedText);
            }

            _publishedSourceText[filePath] = sourceText;

            var request = new UpdateCSharpBufferRequest()
            {
                HostDocumentFilePath = filePath,
                Changes             = textChanges,
                HostDocumentVersion = hostDocumentVersion,
            };

            _server.Value.Client.SendRequest("updateCSharpBuffer", request);
        }
Ejemplo n.º 8
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 protected override bool ContentEqualsImpl(SourceText other) => _sourceText.ContentEquals(other);