54 lines
1.7 KiB
C#
54 lines
1.7 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using Microsoft.CodeAnalysis.Text;
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using Microsoft.VisualStudio.Text;
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namespace dnSpy.Roslyn.Text {
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sealed class TextBufferSourceTextContainer : SourceTextContainer {
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public ITextBuffer TextBuffer { get; }
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public override SourceText CurrentText => TextBuffer.CurrentSnapshot.AsText();
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readonly object lockObj = new object();
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EventHandler<TextChangeEventArgs>? realTextChangedEvent;
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public override event EventHandler<TextChangeEventArgs>? TextChanged {
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add {
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lock (lockObj) {
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if (realTextChangedEvent is null)
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TextBuffer.Changed += TextBuffer_Changed;
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realTextChangedEvent += value;
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}
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}
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remove {
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lock (lockObj) {
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realTextChangedEvent -= value;
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if (realTextChangedEvent is null)
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TextBuffer.Changed -= TextBuffer_Changed;
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}
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}
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}
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void TextBuffer_Changed(object? sender, TextContentChangedEventArgs e) =>
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realTextChangedEvent?.Invoke(this, e.ToTextChangeEventArgs());
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public TextBufferSourceTextContainer(ITextBuffer textBuffer) => TextBuffer = textBuffer;
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}
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}
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