125 lines
4.0 KiB
C#
125 lines
4.0 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 VST = Microsoft.VisualStudio.Text;
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namespace dnSpy.Contracts.Hex {
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/// <summary>
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/// Cell information
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/// </summary>
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public sealed class HexCell {
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/// <summary>
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/// true if there's data in the cell even if there's no memory there; false if it's a blank cell
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/// </summary>
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public bool HasData { get; }
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/// <summary>
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/// Index in <see cref="HexCellCollection"/>
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/// </summary>
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public int Index { get; }
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/// <summary>
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/// Group index
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/// </summary>
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public int GroupIndex { get; }
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/// <summary>
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/// Gets the buffer span. It's valid if <see cref="HasData"/> is true
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/// </summary>
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public HexBufferSpan BufferSpan { get; }
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/// <summary>
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/// Gets the start position. It's valid if <see cref="HasData"/> is true
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/// </summary>
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public HexBufferPoint BufferStart => BufferSpan.Start;
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/// <summary>
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/// Gets the end position. It's valid if <see cref="HasData"/> is true
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/// </summary>
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public HexBufferPoint BufferEnd => BufferSpan.End;
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/// <summary>
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/// Span of the text
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/// </summary>
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public VST.Span TextSpan { get; }
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/// <summary>
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/// Span of the cell, some of the span could be whitespace
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/// </summary>
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public VST.Span CellSpan { get; }
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/// <summary>
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/// Span of the cell separator
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/// </summary>
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public VST.Span SeparatorSpan { get; }
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/// <summary>
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/// Includes the whole cell and separator span
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/// </summary>
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public VST.Span FullSpan { get; }
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="index">Cell index</param>
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/// <param name="groupIndex">Group index</param>
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/// <param name="bufferSpan">Buffer span or the default value if there's no data</param>
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/// <param name="textSpan">Span of the text. This span doesn't include any whitespace before and after the text.</param>
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/// <param name="cellSpan">Span of the cell, some of the span could be whitespace</param>
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/// <param name="separatorSpan">Span of the cell separator</param>
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/// <param name="fullSpan">Includes the whole cell and separator span</param>
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public HexCell(int index, int groupIndex, HexBufferSpan bufferSpan, VST.Span textSpan, VST.Span cellSpan, VST.Span separatorSpan, VST.Span fullSpan) {
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if (index < 0)
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throw new ArgumentOutOfRangeException(nameof(index));
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if (groupIndex < 0 || groupIndex > 1)
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throw new ArgumentOutOfRangeException(nameof(groupIndex));
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if (cellSpan.Length == 0)
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throw new ArgumentOutOfRangeException(nameof(cellSpan));
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if (!fullSpan.Contains(cellSpan))
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throw new ArgumentOutOfRangeException(nameof(cellSpan));
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HasData = !bufferSpan.IsDefault;
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Index = index;
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GroupIndex = groupIndex;
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BufferSpan = bufferSpan;
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TextSpan = textSpan;
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CellSpan = cellSpan;
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SeparatorSpan = separatorSpan;
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FullSpan = fullSpan;
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}
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/// <summary>
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/// Gets a text span
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/// </summary>
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/// <param name="flags">Flags, only <see cref="HexSpanSelectionFlags.Cell"/> and
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/// <see cref="HexSpanSelectionFlags.Separator"/> are checked</param>
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/// <returns></returns>
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public VST.Span GetSpan(HexSpanSelectionFlags flags) {
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if ((flags & HexSpanSelectionFlags.Cell) == 0) {
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if ((flags & HexSpanSelectionFlags.Separator) != 0)
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throw new ArgumentOutOfRangeException(nameof(flags));
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return TextSpan;
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}
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if ((flags & HexSpanSelectionFlags.Separator) != 0)
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return FullSpan;
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return CellSpan;
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}
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}
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}
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