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DOCUMENTATION: Added XML documentation to DiscImageChef.Core.
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@@ -30,77 +30,154 @@
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// Copyright © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using DiscImageChef.Console;
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namespace DiscImageChef.Core
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{
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/// <summary>
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/// Abstracts a datafile with a block based interface
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/// </summary>
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[SuppressMessage("ReSharper", "UnusedMethodReturnValue.Global")]
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public class DataFile
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{
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FileStream dataFs;
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/// <summary>
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/// Opens, or create, a new file
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/// </summary>
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/// <param name="outputFile">File</param>
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public DataFile(string outputFile)
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{
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dataFs = new FileStream(outputFile, FileMode.OpenOrCreate, FileAccess.ReadWrite);
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}
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/// <summary>
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/// Closes the file
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/// </summary>
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public void Close()
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{
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dataFs?.Close();
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}
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/// <summary>
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/// Reads bytes at current position
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/// </summary>
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/// <param name="array">Array to place read data within</param>
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/// <param name="offset">Offset of <see cref="array"/> where data will be read</param>
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/// <param name="count">How many bytes to read</param>
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/// <returns>How many bytes were read</returns>
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public int Read(byte[] array, int offset, int count)
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{
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return dataFs.Read(array, offset, count);
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}
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/// <summary>
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/// Seeks to the specified block
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/// </summary>
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/// <param name="block">Block to seek to</param>
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/// <param name="blockSize">Block size in bytes</param>
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/// <returns>Position</returns>
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public long Seek(ulong block, ulong blockSize)
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{
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return dataFs.Seek((long)(block * blockSize), SeekOrigin.Begin);
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}
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/// <summary>
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/// Seeks to specified byte position
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/// </summary>
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/// <param name="offset">Byte position</param>
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/// <param name="origin">Where to count for position</param>
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/// <returns>Position</returns>
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public long Seek(ulong offset, SeekOrigin origin)
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{
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return dataFs.Seek((long)offset, origin);
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}
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/// <summary>
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/// Seeks to specified byte position
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/// </summary>
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/// <param name="offset">Byte position</param>
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/// <param name="origin">Where to count for position</param>
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/// <returns>Position</returns>
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public long Seek(long offset, SeekOrigin origin)
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{
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return dataFs.Seek(offset, origin);
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}
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/// <summary>
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/// Writes data at current position
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/// </summary>
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/// <param name="data">Data</param>
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public void Write(byte[] data)
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{
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Write(data, 0, data.Length);
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}
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/// <summary>
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/// Writes data at current position
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/// </summary>
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/// <param name="data">Data</param>
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/// <param name="offset">Offset of data from where to start taking data to write</param>
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/// <param name="count">How many bytes to write</param>
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public void Write(byte[] data, int offset, int count)
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{
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dataFs.Write(data, offset, count);
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}
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/// <summary>
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/// Writes data at specified block
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/// </summary>
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/// <param name="data">Data</param>
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/// <param name="block">Block</param>
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/// <param name="blockSize">Bytes per block</param>
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public void WriteAt(byte[] data, ulong block, uint blockSize)
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{
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WriteAt(data, block, blockSize, 0, data.Length);
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}
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/// <summary>
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/// Writes data at specified block
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/// </summary>
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/// <param name="data">Data</param>
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/// <param name="block">Block</param>
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/// <param name="blockSize">Bytes per block</param>
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/// <param name="offset">Offset of data from where to start taking data to write</param>
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/// <param name="count">How many bytes to write</param>
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public void WriteAt(byte[] data, ulong block, uint blockSize, int offset, int count)
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{
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dataFs.Seek((long)(block * blockSize), SeekOrigin.Begin);
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dataFs.Write(data, offset, count);
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}
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public long Position
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{
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get => dataFs.Position;
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}
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/// <summary>
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/// Current file position
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/// </summary>
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public long Position => dataFs.Position;
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public static void WriteTo(string who, string outputPrefix, string outputSuffix, string what, byte[] data)
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/// <summary>
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/// Writes data to a newly created file
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/// </summary>
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/// <param name="who">Who asked the file to be written (class, plugin, etc.)</param>
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/// <param name="data">Data to write</param>
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/// <param name="outputPrefix">First part of the file name</param>
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/// <param name="outputSuffix">Last part of the file name</param>
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/// <param name="whatWriting">What is the data about?</param>
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public static void WriteTo(string who, string outputPrefix, string outputSuffix, string whatWriting, byte[] data)
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{
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if(!string.IsNullOrEmpty(outputPrefix) && !string.IsNullOrEmpty(outputSuffix))
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WriteTo(who, outputPrefix + outputSuffix, data, what);
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WriteTo(who, outputPrefix + outputSuffix, data, whatWriting);
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}
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/// <summary>
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/// Writes data to a newly created file
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/// </summary>
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/// <param name="who">Who asked the file to be written (class, plugin, etc.)</param>
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/// <param name="filename">Filename to create</param>
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/// <param name="data">Data to write</param>
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/// <param name="whatWriting">What is the data about?</param>
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/// <param name="overwrite">If set to <c>true</c> overwrites the file, does nothing otherwise</param>
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public static void WriteTo(string who, string filename, byte[] data, string whatWriting = null,
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bool overwrite = false)
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{
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