/// <summary>
/// Writes out the specified binary bytes using the built-in "base64" encoding algorithm [X.891 Section 10.3].
/// </summary>
/// <param name="buffer">Byte array to encode.</param>
/// <param name="index">The position within the buffer indicating the start of the bytes to write.</param>
/// <param name="count">The number of bytes to write.</param>
/// <exception cref="InvalidOperationException">The <see cref="WriteState"/> is invalid for this operation.</exception>
public override void WriteBase64(byte[] buffer, int index, int count)
{
try
{
ValidateState(FIItemType.Content);
if (_internalEncodingAlgorithm == null)
{
_internalEncodingAlgorithm = new InternalEncodingAlgorithm();
}
_internalEncodingAlgorithm.Encoding = InternalEncodingAlgorithm.EncodingType.Base64Encoding;
byte[] tempBuffer = new byte[count];
Buffer.BlockCopy(buffer, index, tempBuffer, 0, count);
_internalWriter.WriteEncodedData(_internalEncodingAlgorithm, tempBuffer);
UpdateState(FIItemType.Content);
}
catch (Exception ex)
{
_state = FIState.Error;
throw ex;
}
}
internal FIEncoding Encoding(int fiTableIndex)
{
FIEncoding encoding = null;
if (fiTableIndex > 0)
{
if (fiTableIndex < EXTENDED_ENCODING_ALGORITHM_START)
{
if (fiTableIndex <= ENCODING_ALGORITHM_COUNT)
{
if (_internalEncodingAlgorithm == null)
{
_internalEncodingAlgorithm = new InternalEncodingAlgorithm();
}
_internalEncodingAlgorithm.Encoding = (InternalEncodingAlgorithm.EncodingType)fiTableIndex;
encoding = _internalEncodingAlgorithm;
}
}
else if ((_uriToEncodingMap != null) && (fiTableIndex < EXTENDED_ENCODING_ALGORITHM_MAX))
{
// index - 1 to move from FI table index to list index
int realIndex = fiTableIndex - 1;
if (realIndex < _uriToEncodingMap.Count)
{
Dictionary <string, FIEncodingAlgorithm> .Enumerator e = _uriToEncodingMap.GetEnumerator();
while (e.MoveNext())
{
if (e.Current.Value.TableIndex == fiTableIndex)
{
encoding = e.Current.Value;
break;
}
}
}
}
}
return(encoding);
}
/// <summary>
/// Writes out the specified string using the built-in "cdata" encoding algorithm [X.891 Section 10.11].
/// </summary>
/// <param name="text">Text to encode.</param>
/// <exception cref="InvalidOperationException">The <see cref="WriteState"/> is invalid for this operation.</exception>
public override void WriteCData(string text)
{
try
{
ValidateState(FIItemType.Content);
if (_internalEncodingAlgorithm == null)
{
_internalEncodingAlgorithm = new InternalEncodingAlgorithm();
}
_internalEncodingAlgorithm.Encoding = InternalEncodingAlgorithm.EncodingType.CDataEncoding;
_internalWriter.WriteEncodedData(_internalEncodingAlgorithm, text);
UpdateState(FIItemType.Content);
}
catch (Exception ex)
{
_state = FIState.Error;
throw ex;
}
}
