internal void Write(DBFWriter aBase)
{
lock (_lockName)
{
if (!_new)
{
return;
}
if (string.IsNullOrEmpty(aBase.DataMemoLoc))
{
throw new Exception("No Memo Location Set");
}
var raf =
File.Open(aBase.DataMemoLoc,
FileMode.OpenOrCreate,
FileAccess.ReadWrite);
/* before proceeding check whether the passed in File object
* is an empty/non-existent file or not.
*/
using (var tWriter = new BinaryWriter(raf, aBase.CharEncoding))
{
if (raf.Length == 0)
{
var tHeader = new DBTHeader();
tHeader.Write(tWriter);
}
var tValue = _value;
if ((tValue.Length + sizeof(int)) % aBase.BlockSize != 0)
{
tValue = tValue + MemoTerminator;
}
var tPosition = raf.Seek(0, SeekOrigin.End); //Got To End Of File
var tBlockDiff = tPosition % aBase.BlockSize;
if (tBlockDiff != 0)
{
tPosition = raf.Seek(aBase.BlockSize - tBlockDiff, SeekOrigin.Current);
}
_block = tPosition / aBase.BlockSize;
var tData = aBase.CharEncoding.GetBytes(tValue);
var tDataLength = tData.Length;
var tNewDiff = (tDataLength % aBase.BlockSize);
tWriter.Write(tData);
if (tNewDiff != 0)
{
tWriter.Seek(aBase.BlockSize - (tDataLength % aBase.BlockSize), SeekOrigin.Current);
}
}
}
}
internal void Write(DBFWriter aBase)
{
lock (_lockName)
{
if (!_new)
{
return;
}
var raf = aBase.DataMemo;
/* before proceeding check whether the passed in File object
* is an empty/non-existent file or not.
*/
if (raf == null)
{
throw new InvalidDataException("Null Memo Field Stream from Writer");
}
var tWriter = new BinaryWriter(raf, aBase.CharEncoding); //Don't close the stream could be used else where;
if (raf.Length == 0)
{
var tHeader = new DBTHeader();
tHeader.Write(tWriter);
}
var tValue = _value;
if ((tValue.Length + sizeof(int)) % aBase.BlockSize != 0)
{
tValue = tValue + MemoTerminator;
}
var tPosition = raf.Seek(0, SeekOrigin.End); //Got To End Of File
var tBlockDiff = tPosition % aBase.BlockSize;
if (tBlockDiff != 0)
{
tPosition = raf.Seek(aBase.BlockSize - tBlockDiff, SeekOrigin.Current);
}
_block = tPosition / aBase.BlockSize;
var tData = aBase.CharEncoding.GetBytes(tValue);
var tDataLength = tData.Length;
var tNewDiff = (tDataLength % aBase.BlockSize);
tWriter.Write(tData);
if (tNewDiff != 0)
{
tWriter.Seek(aBase.BlockSize - (tDataLength % aBase.BlockSize), SeekOrigin.Current);
}
}
}
internal void Write(DBFWriter aBase)
{
lock (_lockName)
{
if (!_new)
return;
if (string.IsNullOrEmpty(aBase.DataMemoLoc))
throw new Exception("No Memo Location Set");
var raf =
File.Open(aBase.DataMemoLoc,
FileMode.OpenOrCreate,
FileAccess.ReadWrite);
/* before proceeding check whether the passed in File object
is an empty/non-existent file or not.
*/
using (var tWriter = new BinaryWriter(raf, aBase.CharEncoding))
{
if (raf.Length == 0)
{
var tHeader = new DBTHeader();
tHeader.Write(tWriter);
}
var tValue = _value;
if ((tValue.Length + sizeof(int)) % aBase.BlockSize != 0)
{
tValue = tValue + MemoTerminator;
}
var tPosition = raf.Seek(0, SeekOrigin.End); //Got To End Of File
var tBlockDiff = tPosition%aBase.BlockSize;
if (tBlockDiff != 0)
{
tPosition = raf.Seek(aBase.BlockSize - tBlockDiff, SeekOrigin.Current);
}
_block = tPosition/aBase.BlockSize;
var tData = aBase.CharEncoding.GetBytes(tValue);
var tDataLength = tData.Length;
var tNewDiff = (tDataLength%aBase.BlockSize);
tWriter.Write(tData);
if (tNewDiff != 0)
tWriter.Seek(aBase.BlockSize - (tDataLength % aBase.BlockSize), SeekOrigin.Current);
}
}
}