Catel - Part 4 of n: Unit testing with Catel

// <auto-generated /> // Ignore for Stylecop

using System;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.Win32.SafeHandles;

namespace Catel.IO
{
	/// <summary>
	/// Win32 file API.
	/// </summary>
	internal class Win32IOApi
	{
		#region Constants
		// Error
		internal const int ERROR_ALREADY_EXISTS = 183;
		internal const int ERROR_NO_MORE_FILES = 18;

		// Seek location
		internal const uint FILE_BEGIN = 0x0;
		internal const uint FILE_CURRENT = 0x1;
		internal const uint FILE_END = 0x2;

		// Access
		internal const uint GENERIC_READ = 0x80000000;
		internal const uint GENERIC_WRITE = 0x40000000;
		internal const uint GENERIC_EXECUTE = 0x20000000;
		internal const uint GENERIC_ALL = 0x10000000;

		internal const uint FILE_APPEND_DATA = 0x00000004;

		// Attributes
		internal const uint FILE_ATTRIBUTE_READONLY = 0x00000001;
		internal const uint FILE_ATTRIBUTE_DIRECTORY = 0x10;
		internal const uint FILE_ATTRIBUTE_NORMAL = 0x80;

		// Share
		internal const uint FILE_SHARE_DELETE = 0x00000004;
		internal const uint FILE_SHARE_READ = 0x00000001;
		internal const uint FILE_SHARE_WRITE = 0x00000002;

		// Mode
		internal const uint CREATE_NEW = 1;
		internal const uint CREATE_ALWAYS = 2;
		internal const uint OPEN_EXISTING = 3;
		internal const uint OPEN_ALWAYS = 4;
		internal const uint TRUNCATE_EXISTING = 5;

		internal static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
		#endregion

		#region Structs
		// The CharSet must match the CharSet of the corresponding PInvoke signature
		[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
		internal struct WIN32_FIND_DATA
		{
			public uint dwFileAttributes;
			public System.Runtime.InteropServices.ComTypes.FILETIME ftCreationTime;
			public System.Runtime.InteropServices.ComTypes.FILETIME ftLastAccessTime;
			public System.Runtime.InteropServices.ComTypes.FILETIME ftLastWriteTime;
			public uint nFileSizeHigh;
			public uint nFileSizeLow;
			public uint dwReserved0;
			public uint dwReserved1;
			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
			public string cFileName;
			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)]
			public string cAlternateFileName;
		}
		#endregion

		#region Methods - alphabetically ordered
		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern bool CopyFile(string lpExistingFileName, string lpNewFileName, bool bFailIfExists);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern SafeFileHandle CreateFileW(string lpFileName, uint dwDesiredAccess,
												 uint dwShareMode, IntPtr lpSecurityAttributes, uint dwCreationDisposition,
												 uint dwFlagsAndAttributes, IntPtr hTemplateFile);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		[return: MarshalAs(UnmanagedType.Bool)]
		internal static extern bool DeleteFile(string lpFileName);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern bool FindClose(IntPtr hFindFile);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern IntPtr FindFirstFile(string lpFileName, out WIN32_FIND_DATA lpFindFileData);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern bool FindNextFile(IntPtr hFindFile, out WIN32_FIND_DATA lpFindFileData);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
        internal static extern uint GetFullPathName(string lpFileName, uint nBufferLength, 
            [MarshalAs(UnmanagedType.LPTStr)] StringBuilder lpBuffer, 
            [Out] StringBuilder lpFilePart);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		[return: MarshalAs(UnmanagedType.U4)]
		internal static extern int GetLongPathName([MarshalAs(UnmanagedType.LPTStr)]string lpszShortPath,
			[MarshalAs(UnmanagedType.LPTStr)]StringBuilder lpszLongPath,
			[MarshalAs(UnmanagedType.U4)]int cchBuffer);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern bool RemoveDirectory(string lpPathName);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern bool SetFileAttributes(string lpFileName, uint dwFileAttributes);


		[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
		internal static extern uint SetFilePointer(SafeFileHandle hFile, long lDistanceToMove, IntPtr lpDistanceToMoveHigh, uint dwMoveMethod);
		#endregion
	}
}