protected unsafe void StringToProperByteStar(string strOutput, byte *lpOutBuffer, ref int rnOutLen)
{
// if the output is legacy, then we need to shrink it from wide to narrow
if (m_bLegacy)
{
byte[] baOut = EncConverters.GetBytesFromEncoding(CodePageOutput, strOutput, true);
if (baOut.Length > rnOutLen)
{
EncConverters.ThrowError(ErrStatus.OutputBufferFull);
}
rnOutLen = baOut.Length;
ECNormalizeData.ByteArrToByteStar(baOut, lpOutBuffer);
}
else
{
int nLen = strOutput.Length * 2;
if (nLen > (int)rnOutLen)
{
EncConverters.ThrowError(ErrStatus.OutputBufferFull);
}
rnOutLen = nLen;
ECNormalizeData.StringToByteStar(strOutput, lpOutBuffer, rnOutLen);
}
}
protected override unsafe void DoConvert
(
byte *lpInBuffer,
int nInLen,
byte *lpOutBuffer,
ref int rnOutLen
)
{
rnOutLen = 0;
if (!String.IsNullOrEmpty(WorkingDir))
{
// we need to put it *back* into a string because the StreamWriter that will
// ultimately write to the StandardInput uses a string. Use the correct codepg.
byte [] baDst = new byte [nInLen];
ECNormalizeData.ByteStarToByteArr(lpInBuffer, nInLen, baDst);
Encoding enc;
try
{
enc = Encoding.GetEncoding(this.CodePageInput);
}
catch
{
enc = Encoding.GetEncoding(EncConverters.cnIso8859_1CodePage);
}
string strInput = enc.GetString(baDst);
// call the helper that calls the exe
string strOutput = DoExeCall(strInput);
// if there's a response...
if (!String.IsNullOrEmpty(strOutput))
{
// ... put it in the output buffer
// if the output is legacy, then we need to shrink it from wide to narrow
// it'll be legacy either if (the direction is forward and the rhs=eLegacy)
// or if (the direction is reverse and the rhs=eLegacy)
bool bLegacyOutput =
(
((this.DirectionForward == true) &&
(EncConverter.NormalizeRhsConversionType(this.ConversionType) == NormConversionType.eLegacy)
) ||
((this.DirectionForward == false) &&
(EncConverter.NormalizeLhsConversionType(this.ConversionType) == NormConversionType.eLegacy)
)
);
if (bLegacyOutput)
{
try
{
enc = Encoding.GetEncoding(this.CodePageOutput);
}
catch
{
enc = Encoding.GetEncoding(EncConverters.cnIso8859_1CodePage);
}
byte [] baOut = enc.GetBytes(strOutput);
ECNormalizeData.ByteArrToByteStar(baOut, lpOutBuffer);
rnOutLen = baOut.Length;
}
else
{
rnOutLen = strOutput.Length * 2;
ECNormalizeData.StringToByteStar(strOutput, lpOutBuffer, rnOutLen);
}
}
}
else
{
EncConverters.ThrowError(ErrStatus.RegistryCorrupt);
}
}