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93 lines
No EOL
3.6 KiB
C#
93 lines
No EOL
3.6 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Globalization;
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using DiscUtils.Streams;
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namespace DiscUtils.Partitions
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{
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/// <summary>
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/// Base class representing a disk partition.
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/// </summary>
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/// <remarks>The purpose of this class is to provide a minimal view of a partition,
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/// such that callers can access existing partitions without specific knowledge of
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/// the partitioning system.</remarks>
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public abstract class PartitionInfo
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{
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/// <summary>
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/// Gets the type of the partition, in legacy BIOS form, when available.
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/// </summary>
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/// <remarks>Zero for GUID-style partitions.</remarks>
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public abstract byte BiosType { get; }
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/// <summary>
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/// Gets the first sector of the partion (relative to start of disk) as a Logical Block Address.
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/// </summary>
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public abstract long FirstSector { get; }
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/// <summary>
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/// Gets the type of the partition, as a GUID, when available.
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/// </summary>
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/// <remarks><see cref="System.Guid"/>.Empty for MBR-style partitions.</remarks>
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public abstract Guid GuidType { get; }
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/// <summary>
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/// Gets the last sector of the partion (relative to start of disk) as a Logical Block Address (inclusive).
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/// </summary>
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public abstract long LastSector { get; }
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/// <summary>
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/// Gets the length of the partition in sectors.
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/// </summary>
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public virtual long SectorCount
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{
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get { return 1 + LastSector - FirstSector; }
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}
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/// <summary>
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/// Gets the partition type as a 'friendly' string.
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/// </summary>
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public abstract string TypeAsString { get; }
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/// <summary>
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/// Gets the physical volume type for this type of partition.
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/// </summary>
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internal abstract PhysicalVolumeType VolumeType { get; }
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/// <summary>
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/// Opens a stream that accesses the partition's contents.
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/// </summary>
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/// <returns>The new stream.</returns>
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public abstract SparseStream Open();
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/// <summary>
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/// Gets a summary of the partition information as 'first - last (type)'.
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/// </summary>
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/// <returns>A string representation of the partition information.</returns>
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public override string ToString()
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{
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return string.Format(CultureInfo.InvariantCulture, "0x{0:X} - 0x{1:X} ({2})", FirstSector, LastSector,
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TypeAsString);
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}
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}
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} |