public override int GetByteCount(char[] chars, int index, int count)
{
int byteCount = 0;
try
{
if (chars == null)
{
throw new ArgumentNullException("chars");
}
if (index < 0 || index > chars.Length)
{
throw new ArgumentOutOfRangeException("index");
}
if (count < 0 || count > (chars.Length - index))
{
throw new ArgumentOutOfRangeException("count");
}
for (int i = index; i < count; i++)
{
if (CharToByte.ContainsKey(chars[i]))
{
byteCount += CharToByte[chars[i]].Length;
}
}
}
catch (Exception e)
{
Log.Error(e.Message);
}
return(byteCount);
}
public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
{
int byteCount = 0;
// Validate the parameters.
if (chars == null)
{
throw new ArgumentNullException("chars");
}
if (bytes == null)
{
throw new ArgumentNullException("bytes");
}
if (charIndex < 0 || charIndex > chars.Length)
{
throw new ArgumentOutOfRangeException("charIndex");
}
if (charCount < 0 || charCount > (chars.Length - charIndex))
{
throw new ArgumentOutOfRangeException("charCount");
}
if (byteIndex < 0 || byteIndex > bytes.Length)
{
throw new ArgumentOutOfRangeException("byteIndex");
}
if (byteIndex + GetByteCount(chars, charIndex, charCount) > bytes.Length)
{
throw new ArgumentException("bytes array too small", "bytes");
}
for (int i = charIndex; i < charIndex + charCount; i++)
{
byte[] charByte;
if (CharToByte.TryGetValue(chars[i], out charByte))
{
charByte.CopyTo(bytes, byteIndex + byteCount);
byteCount += charByte.Length;
}
}
return(byteCount);
}
