| static private FieldToString ( StringBuilder output, byte bytes, string fieldName ) : void | ||
| output | StringBuilder | The StringBuilder object to write to |
| bytes | byte | The byte array to convert to a string |
| fieldName | string | A field name to prepend to each line of output |
| return | void | |
internal static void FieldToString(StringBuilder output, byte[] bytes, string fieldName)
{
// Check for a common case
if (bytes.Length == 0) return;
bool printable = true;
for (int i = 0; i < bytes.Length; ++i)
{
// Check if there are any unprintable characters in the array
if ((bytes[i] < 0x20 || bytes[i] > 0x7E) && bytes[i] != 0x09
&& bytes[i] != 0x0D && bytes[i] != 0x0A && bytes[i] != 0x00)
{
printable = false;
break;
}
}
if (printable)
{
if (fieldName.Length > 0)
{
output.Append(fieldName);
output.Append(": ");
}
if (bytes[bytes.Length - 1] == 0x00)
output.Append(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length - 1));
else
output.Append(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length));
}
else
{
for (int i = 0; i < bytes.Length; i += 16)
{
if (i != 0)
output.Append('\n');
if (fieldName.Length > 0)
{
output.Append(fieldName);
output.Append(": ");
}
for (int j = 0; j < 16; j++)
{
if ((i + j) < bytes.Length)
output.Append(String.Format("{0:X2} ", bytes[i + j]));
else
output.Append(" ");
}
}
}
}