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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Core.Bind
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using WixToolset.Extensibility;
internal class FileSystem
{
public FileSystem(IEnumerable<ILayoutExtension> extensions)
{
this.Extensions = extensions ?? Array.Empty<ILayoutExtension>();
}
private IEnumerable<ILayoutExtension> Extensions { get; }
/// <summary>
/// Copies a file.
/// </summary>
/// <param name="source">The file to copy.</param>
/// <param name="destination">The destination file.</param>
public bool CopyFile(string source, string destination)
{
foreach (var extension in this.Extensions)
{
if (extension.CopyFile(source, destination))
{
return true;
}
}
if (File.Exists(destination))
{
File.Delete(destination);
}
if (!CreateHardLink(destination, source, IntPtr.Zero))
{
#if DEBUG
int er = Marshal.GetLastWin32Error();
#endif
File.Copy(source, destination, true);
}
return true;
}
/// <summary>
/// Moves a file.
/// </summary>
/// <param name="source">The file to move.</param>
/// <param name="destination">The destination file.</param>
public bool MoveFile(string source, string destination)
{
foreach (var extension in this.Extensions)
{
if (extension.MoveFile(source, destination))
{
return true;
}
}
if (File.Exists(destination))
{
File.Delete(destination);
}
var directory = Path.GetDirectoryName(destination);
if (!String.IsNullOrEmpty(directory))
{
Directory.CreateDirectory(directory);
}
File.Move(source, destination);
return true;
}
[DllImport("Kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
private static extern bool CreateHardLink(string lpFileName, string lpExistingFileName, IntPtr lpSecurityAttributes);
}
}
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