Dnspy/dnSpy/Roslyn/dnSpy.Roslyn/Text/TextSnapshotSourceText.cs
2021-09-20 18:20:01 +02:00

45 lines
1.7 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Text;
using Microsoft.CodeAnalysis.Text;
using Microsoft.VisualStudio.Text;
namespace dnSpy.Roslyn.Text {
sealed class TextSnapshotSourceText : SourceText {
public override char this[int position] => TextSnapshot[position];
public override Encoding Encoding { get; }
public override int Length => TextSnapshot.Length;
public override SourceTextContainer Container { get; }
public ITextSnapshot TextSnapshot { get; }
public TextSnapshotSourceText(ITextSnapshot snapshot, Encoding encoding) {
TextSnapshot = snapshot ?? throw new ArgumentNullException(nameof(snapshot));
Encoding = encoding;
Container = snapshot.TextBuffer.AsTextContainer();
}
public override void CopyTo(int sourceIndex, char[] destination, int destinationIndex, int count) =>
TextSnapshot.CopyTo(sourceIndex, destination, destinationIndex, count);
protected override TextLineCollection GetLinesCore() => new TextSnapshotTextLineCollection(this);
public override string ToString(TextSpan span) => TextSnapshot.GetText(span.ToSpan());
}
}