54 lines
2.2 KiB
C#
54 lines
2.2 KiB
C#
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// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using dnSpy.Roslyn.EditorFeatures.Extensions;
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using dnSpy.Roslyn.EditorFeatures.Host;
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using Microsoft.CodeAnalysis;
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using Microsoft.VisualStudio.Text;
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using Microsoft.VisualStudio.Text.Operations;
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using Microsoft.VisualStudio.Utilities;
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using Roslyn.Utilities;
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namespace dnSpy.Roslyn.EditorFeatures.TextStructureNavigation
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{
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internal abstract partial class AbstractTextStructureNavigatorProvider : ITextStructureNavigatorProvider
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{
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private readonly ITextStructureNavigatorSelectorService _selectorService;
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private readonly IContentTypeRegistryService _contentTypeService;
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private readonly IWaitIndicator _waitIndicator;
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protected AbstractTextStructureNavigatorProvider(
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ITextStructureNavigatorSelectorService selectorService,
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IContentTypeRegistryService contentTypeService,
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IWaitIndicator waitIndicator)
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{
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Contract.ThrowIfNull(selectorService);
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Contract.ThrowIfNull(contentTypeService);
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_selectorService = selectorService;
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_contentTypeService = contentTypeService;
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_waitIndicator = waitIndicator;
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}
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protected abstract bool ShouldSelectEntireTriviaFromStart(SyntaxTrivia trivia);
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protected abstract bool IsWithinNaturalLanguage(SyntaxToken token, int position);
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protected virtual TextExtent GetExtentOfWordFromToken(SyntaxToken token, SnapshotPoint position)
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{
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return new TextExtent(token.Span.ToSnapshotSpan(position.Snapshot), isSignificant: true);
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}
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public ITextStructureNavigator CreateTextStructureNavigator(ITextBuffer subjectBuffer)
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{
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var naturalLanguageNavigator = _selectorService.CreateTextStructureNavigator(
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subjectBuffer,
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_contentTypeService.GetContentType("any"));
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return new TextStructureNavigator(
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subjectBuffer,
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naturalLanguageNavigator,
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this,
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_waitIndicator);
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}
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}
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}
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