init commit

output/Libraries/MessagingToolkit.QRCode/MessagingToolkit/QRCode/Codec/Util/SystemUtils.cs

@@ -0,0 +1,137 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace MessagingToolkit.QRCode.Codec.Util;
+
+public class SystemUtils
+{
+	public static int ReadInput(Stream sourceStream, sbyte[] target, int start, int count)
+	{
+		if (target.Length == 0)
+		{
+			return 0;
+		}
+		byte[] array = new byte[target.Length];
+		int num = sourceStream.Read(array, start, count);
+		if (num == 0)
+		{
+			return -1;
+		}
+		for (int i = start; i < start + num; i++)
+		{
+			target[i] = (sbyte)array[i];
+		}
+		return num;
+	}
+
+	public static int ReadInput(TextReader sourceTextReader, short[] target, int start, int count)
+	{
+		if (target.Length == 0)
+		{
+			return 0;
+		}
+		char[] array = new char[target.Length];
+		int num = sourceTextReader.Read(array, start, count);
+		if (num == 0)
+		{
+			return -1;
+		}
+		for (int i = start; i < start + num; i++)
+		{
+			target[i] = (short)array[i];
+		}
+		return num;
+	}
+
+	public static void WriteStackTrace(Exception throwable, TextWriter stream)
+	{
+		stream.Write(throwable.StackTrace);
+		stream.Flush();
+	}
+
+	public static int URShift(int number, int bits)
+	{
+		if (number >= 0)
+		{
+			return number >> bits;
+		}
+		return (number >> bits) + (2 << ~bits);
+	}
+
+	public static int URShift(int number, long bits)
+	{
+		return URShift(number, (int)bits);
+	}
+
+	public static long URShift(long number, int bits)
+	{
+		if (number >= 0)
+		{
+			return number >> bits;
+		}
+		return (number >> bits) + (2L << ~bits);
+	}
+
+	public static long URShift(long number, long bits)
+	{
+		return URShift(number, (int)bits);
+	}
+
+	public static byte[] ToByteArray(sbyte[] sbyteArray)
+	{
+		byte[] array = null;
+		if (sbyteArray != null)
+		{
+			array = new byte[sbyteArray.Length];
+			for (int i = 0; i < sbyteArray.Length; i++)
+			{
+				array[i] = (byte)sbyteArray[i];
+			}
+		}
+		return array;
+	}
+
+	public static byte[] ToByteArray(string sourceString)
+	{
+		return Encoding.UTF8.GetBytes(sourceString);
+	}
+
+	public static byte[] ToByteArray(object[] tempObjectArray)
+	{
+		byte[] array = null;
+		if (tempObjectArray != null)
+		{
+			array = new byte[tempObjectArray.Length];
+			for (int i = 0; i < tempObjectArray.Length; i++)
+			{
+				array[i] = (byte)tempObjectArray[i];
+			}
+		}
+		return array;
+	}
+
+	public static sbyte[] ToSByteArray(byte[] byteArray)
+	{
+		sbyte[] array = null;
+		if (byteArray != null)
+		{
+			array = new sbyte[byteArray.Length];
+			for (int i = 0; i < byteArray.Length; i++)
+			{
+				array[i] = (sbyte)byteArray[i];
+			}
+		}
+		return array;
+	}
+
+	public static char[] ToCharArray(sbyte[] sByteArray)
+	{
+		return Encoding.UTF8.GetChars(ToByteArray(sByteArray));
+	}
+
+	public static char[] ToCharArray(byte[] byteArray)
+	{
+		return Encoding.UTF8.GetChars(byteArray);
+	}
+}