44 lines
1.7 KiB
C#
44 lines
1.7 KiB
C#
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/*
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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 Microsoft.CodeAnalysis.Text;
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namespace dnSpy.Roslyn.Text {
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sealed class TextSnapshotTextLineCollection : TextLineCollection {
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readonly TextSnapshotSourceText sourceText;
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public override int Count => sourceText.TextSnapshot.LineCount;
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public override TextLine this[int index] {
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get {
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var line = sourceText.TextSnapshot.GetLineFromLineNumber(index);
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return TextLine.FromSpan(sourceText, TextSpan.FromBounds(line.Start, line.End));
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}
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}
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public TextSnapshotTextLineCollection(TextSnapshotSourceText sourceText) => this.sourceText = sourceText;
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public override int IndexOf(int position) => sourceText.TextSnapshot.GetLineNumberFromPosition(position);
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public override TextLine GetLineFromPosition(int position) => this[IndexOf(position)];
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public override LinePosition GetLinePosition(int position) {
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var textLine = sourceText.TextSnapshot.GetLineFromPosition(position);
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return new LinePosition(textLine.LineNumber, position - textLine.Start);
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}
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}
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}
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