public static void HexDump(Stream input, Stream output, int bytesPerLine = 16)
{
long pos = input.Position;
HexInputFunc inputFunc = delegate(byte[] buf, int max)
{
return(input.Read(buf, 0, max));
};
HexOutputFunc outputFunc = delegate(char[] line)
{
byte[] buf = System.Text.Encoding.ASCII.GetBytes(line);
output.Write(buf, 0, buf.Length);
};
HexDump(inputFunc, outputFunc, bytesPerLine);
input.Seek(pos, SeekOrigin.Begin);
}
public static void HexDump(byte[] buffer, int offset, int count, Stream output, int bytesPerLine = 16)
{
HexInputFunc inputFunc = delegate(byte[] buf, int max)
{
int len = Math.Min(count, max);
Buffer.BlockCopy(buffer, offset, buf, 0, len);
offset += len;
count -= len;
return(len);
};
HexOutputFunc outputFunc = delegate(char[] line)
{
byte[] buf = System.Text.Encoding.ASCII.GetBytes(line);
output.Write(buf, 0, buf.Length);
};
HexDump(inputFunc, outputFunc, bytesPerLine);
}
public static string HexDump(Stream input, int bytesPerLine = 16)
{
StringBuilder sb = new StringBuilder();
long pos = input.Position;
HexInputFunc inputFunc = delegate(byte[] buf, int max)
{
return(input.Read(buf, 0, max));
};
HexOutputFunc outputFunc = delegate(char[] line)
{
sb.Append(line);
};
HexDump(inputFunc, outputFunc, bytesPerLine);
input.Seek(pos, SeekOrigin.Begin);
return(sb.ToString());
}
public static string HexDump(byte[] buffer, int offset, int count, int bytesPerLine = 16)
{
StringBuilder sb = new StringBuilder();
HexInputFunc inputFunc = delegate(byte[] buf, int max)
{
int len = Math.Min(count, max);
Buffer.BlockCopy(buffer, offset, buf, 0, len);
offset += len;
count -= len;
return(len);
};
HexOutputFunc outputFunc = delegate(char[] line)
{
sb.Append(line);
};
HexDump(inputFunc, outputFunc, bytesPerLine);
return(sb.ToString());
}
private static void HexDump(HexInputFunc input, HexOutputFunc output, int bytesPerLine = 16)
{
byte[] bytes = new byte[bytesPerLine];
char[] HexChars = "0123456789ABCDEF".ToCharArray();
int firstHexColumn =
8 // 8 characters for the address
+ 3; // 3 spaces
int firstCharColumn = firstHexColumn
+ bytesPerLine * 3 // - 2 digit for the hexadecimal value and 1 space
+ (bytesPerLine - 1) / 8 // - 1 extra space every 8 characters from the 9th
+ 2; // 2 spaces
int lineLength = firstCharColumn
+ bytesPerLine // - characters to show the ascii value
+ Environment.NewLine.Length; // Carriage return and line feed (should normally be 2)
char[] line = (new System.String(' ', lineLength - Environment.NewLine.Length) + Environment.NewLine).ToCharArray();
for (int i = 0; ; i += bytesPerLine)
{
int readLen = input(bytes, bytesPerLine);
if (readLen == 0)
{
break;
}
line[0] = HexChars[(i >> 28) & 0xF];
line[1] = HexChars[(i >> 24) & 0xF];
line[2] = HexChars[(i >> 20) & 0xF];
line[3] = HexChars[(i >> 16) & 0xF];
line[4] = HexChars[(i >> 12) & 0xF];
line[5] = HexChars[(i >> 8) & 0xF];
line[6] = HexChars[(i >> 4) & 0xF];
line[7] = HexChars[(i >> 0) & 0xF];
int hexColumn = firstHexColumn;
int charColumn = firstCharColumn;
for (int j = 0; j < bytesPerLine; j++)
{
if (j > 0 && (j & 7) == 0)
{
hexColumn++;
}
if (j >= readLen)
{
line[hexColumn] = ' ';
line[hexColumn + 1] = ' ';
line[charColumn] = ' ';
}
else
{
byte b = bytes[j];
line[hexColumn] = HexChars[(b >> 4) & 0xF];
line[hexColumn + 1] = HexChars[b & 0xF];
line[charColumn] = (b < 32 ? '·' : (char)b);
}
hexColumn += 3;
charColumn++;
}
output(line);
}
}
