nusdownloader-fork/NUS Downloader/Shared.cs
givememystuffplease c67e219ac3 Added libwiisharp components
common key now from libwiisharp
2010-07-06 18:45:55 +00:00

273 lines
8.8 KiB
C#

/* This file is part of libWiiSharp
* Copyright (C) 2009 Leathl
*
* libWiiSharp is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libWiiSharp is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Net;
namespace libWiiSharp
{
public static class Shared
{
/// <summary>
/// Merges two string arrays into one without double entries.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static string[] MergeStringArrays(string[] a, string[] b)
{
List<string> sList = new List<string>(a);
foreach (string currentString in b)
if (!sList.Contains(currentString)) sList.Add(currentString);
sList.Sort();
return sList.ToArray();
}
/// <summary>
/// Compares two byte arrays.
/// </summary>
/// <param name="first"></param>
/// <param name="firstIndex"></param>
/// <param name="second"></param>
/// <param name="secondIndex"></param>
/// <param name="length"></param>
/// <returns></returns>
public static bool CompareByteArrays(byte[] first, int firstIndex, byte[] second, int secondIndex, int length)
{
if (first.Length < length || second.Length < length) return false;
for (int i = 0; i < length; i++)
if (first[firstIndex + i] != second[secondIndex + i]) return false;
return true;
}
/// <summary>
/// Compares two byte arrays.
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
/// <returns></returns>
public static bool CompareByteArrays(byte[] first, byte[] second)
{
if (first.Length != second.Length) return false;
else
for (int i = 0; i < first.Length; i++)
if (first[i] != second[i]) return false;
return true;
}
/// <summary>
/// Turns a byte array into a string, default separator is a space.
/// </summary>
/// <param name="byteArray"></param>
/// <param name="separator"></param>
/// <returns></returns>
public static string ByteArrayToString(byte[] byteArray, char separator = ' ')
{
string res = string.Empty;
foreach (byte b in byteArray)
res += b.ToString("x2").ToUpper() + separator;
return res.Remove(res.Length - 1);
}
/// <summary>
/// Turns a hex string into a byte array.
/// </summary>
/// <param name="hexString"></param>
/// <returns></returns>
public static byte[] HexStringToByteArray(string hexString)
{
byte[] ba = new byte[hexString.Length / 2];
for (int i = 0; i < hexString.Length / 2; i++)
ba[i] = byte.Parse(hexString.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber);
return ba;
}
/// <summary>
/// Counts how often the given char exists in the given string.
/// </summary>
/// <param name="theString"></param>
/// <param name="theChar"></param>
/// <returns></returns>
public static int CountCharsInString(string theString, char theChar)
{
int count = 0;
foreach (char thisChar in theString)
if (thisChar == theChar)
count++;
return count;
}
/// <summary>
/// Pads the given value to a multiple of the given padding value, default padding value is 64.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static long AddPadding(long value)
{
return AddPadding(value, 64);
}
/// <summary>
/// Pads the given value to a multiple of the given padding value, default padding value is 64.
/// </summary>
/// <param name="value"></param>
/// <param name="padding"></param>
/// <returns></returns>
public static long AddPadding(long value, int padding)
{
if (value % padding != 0)
{
value = value + (padding - (value % padding));
}
return value;
}
/// <summary>
/// Pads the given value to a multiple of the given padding value, default padding value is 64.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static int AddPadding(int value)
{
return AddPadding(value, 64);
}
/// <summary>
/// Pads the given value to a multiple of the given padding value, default padding value is 64.
/// </summary>
/// <param name="value"></param>
/// <param name="padding"></param>
/// <returns></returns>
public static int AddPadding(int value, int padding)
{
if (value % padding != 0)
{
value = value + (padding - (value % padding));
}
return value;
}
/// <summary>
/// Swaps endianness.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static ushort Swap(ushort value)
{
return (ushort)IPAddress.HostToNetworkOrder((short)value);
}
/// <summary>
/// Swaps endianness.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static uint Swap(uint value)
{
return (uint)IPAddress.HostToNetworkOrder((int)value);
}
/// <summary>
/// Swaps endianness
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static ulong Swap(ulong value)
{
return (ulong)IPAddress.HostToNetworkOrder((long)value);
}
/// <summary>
/// Turns a ushort array into a byte array.
/// </summary>
/// <param name="array"></param>
/// <returns></returns>
public static byte[] UShortArrayToByteArray(ushort[] array)
{
List<byte> results = new List<byte>();
foreach (ushort value in array)
{
byte[] converted = BitConverter.GetBytes(value);
results.AddRange(converted);
}
return results.ToArray();
}
/// <summary>
/// Turns a uint array into a byte array.
/// </summary>
/// <param name="array"></param>
/// <returns></returns>
public static byte[] UIntArrayToByteArray(uint[] array)
{
List<byte> results = new List<byte>();
foreach (uint value in array)
{
byte[] converted = BitConverter.GetBytes(value);
results.AddRange(converted);
}
return results.ToArray();
}
/// <summary>
/// Turns a byte array into a uint array.
/// </summary>
/// <param name="array"></param>
/// <returns></returns>
public static uint[] ByteArrayToUIntArray(byte[] array)
{
UInt32[] converted = new UInt32[array.Length / 4];
int j = 0;
for (int i = 0; i < array.Length; i += 4)
converted[j++] = BitConverter.ToUInt32(array, i);
return converted;
}
/// <summary>
/// Turns a byte array into a ushort array.
/// </summary>
/// <param name="array"></param>
/// <returns></returns>
public static ushort[] ByteArrayToUShortArray(byte[] array)
{
ushort[] converted = new ushort[array.Length / 2];
int j = 0;
for (int i = 0; i < array.Length; i += 2)
converted[j++] = BitConverter.ToUInt16(array, i);
return converted;
}
}
}