public short dfwopen(string fileName, string fldDelimiter, string strDelimiter, int append, string encoding)
{
if (_writeStatus != FileIOStatus.Closed)
{
GXLogging.Error(log, "Error ADF0005: open function in use");
return(GX_ASCDEL_INVALIDSEQUENCE);
}
try
{
FileMode mode = FileMode.Create;
if (append == 1)
{
mode = FileMode.Append;
}
fileName = Path.Combine(GxContext.StaticPhysicalPath(), fileName);
#pragma warning disable SCS0018 // Path traversal: injection possible in {1} argument passed to '{0}'
_fsw = new FileStream(fileName, mode, FileAccess.Write, FileShare.ReadWrite, 1024);
#pragma warning restore SCS0018 // Path traversal: injection possible in {1} argument passed to '{0}'
}
catch (DirectoryNotFoundException e)
{
GXLogging.Error(log, "Error ADF0001", e);
return(GX_ASCDEL_OPENERROR);
}
_fldDelimiterW = CleanDelimiter(fldDelimiter);
_strDelimiterW = strDelimiter;
_encodingW = encoding;
_sw = new StreamWriter(_fsw, GXUtil.GxIanaToNetEncoding(encoding, false));
_currentLineW = null;
_writeStatus = FileIOStatus.Open;
return(GX_ASCDEL_SUCCESS);
}
public short dfropen(string fileName, int recSize, string fldDelimiter, string strDelimiter, string encoding)
{
if (_readStatus != FileIOStatus.Closed)
{
GXLogging.Error(log, "Error ADF0005: open function in use");
return(GX_ASCDEL_INVALIDSEQUENCE);
}
fileName = Path.Combine(GxContext.StaticPhysicalPath(), fileName);
try
{
_fsr = new FileStream(Path.GetFullPath(fileName), FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 1024);
}
catch (FileNotFoundException fe)
{
GXLogging.Error(log, "Error ADF0001", fe);
return(GX_ASCDEL_OPENERROR);
}
catch (DirectoryNotFoundException de)
{
GXLogging.Error(log, "Error ADF0001", de);
return(GX_ASCDEL_OPENERROR);
}
_fldDelimiterR = CleanDelimiter(fldDelimiter);
_strDelimiterR = strDelimiter;
_encodingR = encoding;
_sr = new StreamReader(_fsr, GXUtil.GxIanaToNetEncoding(encoding, false));
_lastPos = 0;
_readStatus = FileIOStatus.Open;
return(GX_ASCDEL_SUCCESS);
}
int appendFld(string s)
{
if (_currentLineW == null)
{
_currentLineW = s;
}
else
{
_currentLineW = _currentLineW + _fldDelimiterW + s;
}
_writeStatus = FileIOStatus.DataReady;
return(0);
}
public short dfwclose()
{
if (_writeStatus == FileIOStatus.Closed)
{
return(GX_ASCDEL_INVALIDSEQUENCE);
}
try
{
_sw.Close();
_fsw.Close();
_writeStatus = FileIOStatus.Closed;
}
catch { }
return(GX_ASCDEL_SUCCESS);
}
public short dfrclose()
{
if (_readStatus == FileIOStatus.Closed)
{
return(GX_ASCDEL_INVALIDSEQUENCE);
}
try
{
_sr.Close();
_fsr.Close();
_readStatus = FileIOStatus.Closed;
}
catch { }
return(GX_ASCDEL_SUCCESS);
}
public short dfwnext()
{
if (_writeStatus != FileIOStatus.DataReady)
{
return(GX_ASCDEL_INVALIDSEQUENCE);
}
try
{
if (_currentLineW != null)
{
_sw.WriteLine(_currentLineW);
_currentLineW = null;
}
_writeStatus = FileIOStatus.Open;
return(GX_ASCDEL_SUCCESS);
}
catch (Exception ex)
{
GXLogging.Error(log, "Error ADF0003", ex);
return(GX_ASCDEL_WRITEERROR);
}
}
public short dfrnext()
{
_readStatus = FileIOStatus.Open;
if (_readStatus == FileIOStatus.Closed)
{
return(GX_ASCDEL_INVALIDSEQUENCE);
}
try
{
_currentLineR = _sr.ReadLine();
}
catch (Exception e)
{
GXLogging.Error(log, "Error ADF0002", e);
}
if (_currentLineR == null)
{
return(GX_ASCDEL_ENDOFDATA);
}
_lastPos = 0;
_readStatus = FileIOStatus.DataReady;
return(GX_ASCDEL_SUCCESS);
}
