private void WriteHeader(Stream stream, bool withColumns)
{
mDbfHeader.NbRecords = (UInt32)mRecordCount;
UInt16 newHeaderWith = (UInt16)(mDbfHeaderWriter.RecordWidth + (mColumns.Count - 1) * mDbfColumnWriter.RecordWidth + 1);
mDbfHeader.HeaderWidth = newHeaderWith;
mHeaderWidth = newHeaderWith;
Byte[] headerBuff = new byte[mDbfHeaderWriter.RecordWidth];
mDbfHeaderWriter.Write(this, headerBuff, mDbfHeader);
stream.Seek(0, SeekOrigin.Begin);
stream.Write(headerBuff, 0, headerBuff.Length);
#if DUMP_DISK_ACTIVITY
System.Diagnostics.Debug.WriteLine(mOriginalFile + " WriteHeader");
System.Diagnostics.Debug.WriteLine(Utils.HexDump(headerBuff));
#endif
if (withColumns)
{
Byte[] columnHeaderBuff = new byte[mDbfColumnWriter.RecordWidth];
DbfColumnHeader dbfColumnHeader = new DbfColumnHeader();
// we ignore column 0
for (int i = 1; i < mColumns.Count; i++)
{
ColumnDefinition c = mColumns[i];
dbfColumnHeader.ColumnName = c.mColumnName;
dbfColumnHeader.ColumnType = c.DbfColumnType;
dbfColumnHeader.ColumnWidth = (byte)c.mWidth;
dbfColumnHeader.Decimals = (byte)c.mDecimals;
mDbfColumnWriter.Write(this, columnHeaderBuff, dbfColumnHeader);
stream.Write(columnHeaderBuff, 0, columnHeaderBuff.Length);
#if DUMP_DISK_ACTIVITY
System.Diagnostics.Debug.WriteLine(mOriginalFile + " WriteColumn #" + i);
System.Diagnostics.Debug.WriteLine(Utils.HexDump(columnHeaderBuff));
#endif
}
stream.WriteByte(END_OF_COLUMN_DEFINITIONS);
}
base.mCurrentRecordNoPosition = UInt32.MaxValue;
}
internal override bool OnFillWriteBuffer(Record record, Byte[] buffer)
{
mRecordWriter.Write(this, buffer, (TRecord)record);
return(true);
}