/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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****************************************************************************/
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/// Highlighting of syntax errors
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using System.ComponentModel.Composition;
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using Microsoft.VisualStudio.Text;
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using Microsoft.VisualStudio.Text.Classification;
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using Microsoft.VisualStudio.Text.Editor;
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using Microsoft.VisualStudio.Text.Tagging;
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using Microsoft.VisualStudio.Utilities;
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namespace QtVsTools.Qml.Classification
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{
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[Export(typeof(IViewTaggerProvider))]
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[ContentType("qml")]
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[TagType(typeof(ErrorTag))]
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internal sealed class QmlErrorClassifierProvider : IViewTaggerProvider
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{
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[Import]
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internal IClassificationTypeRegistryService classificationTypeRegistry = null;
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public ITagger<T> CreateTagger<T>(ITextView textView, ITextBuffer buffer) where T : ITag
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{
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QmlClassificationType.InitClassificationTypes(classificationTypeRegistry);
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return new QmlErrorClassifier(textView, buffer) as ITagger<T>;
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}
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}
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internal sealed class QmlErrorClassifier : QmlAsyncClassifier<ErrorTag>
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{
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internal QmlErrorClassifier(
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ITextView textView,
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ITextBuffer buffer)
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: base("Error", textView, buffer)
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{
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}
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protected override ClassificationRefresh ProcessText(
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ITextSnapshot snapshot,
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Parser parseResult,
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SharedTagList tagList,
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bool writeAccess)
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{
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if (writeAccess) {
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foreach (var diag in parseResult.DiagnosticMessages) {
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tagList.Add(this, new QmlDiagnosticsTag(snapshot, diag));
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}
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}
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return ClassificationRefresh.FullText;
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}
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protected override ErrorTag GetClassification(TrackingTag tag)
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{
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return new ErrorTag("ERROR");
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}
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}
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}
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