internal static DbaseFile CreateDbaseFile(String fileName, DataTable schema, CultureInfo culture, Encoding encoding, IGeometryFactory geoFactory)
{
DbaseFile file = new DbaseFile(fileName, geoFactory, false);
Byte languageDriverCode = DbaseLocaleRegistry.GetLanguageDriverCode(culture, encoding);
file._header = new DbaseHeader(languageDriverCode, DateTime.Now, 0);
file._header.Columns = new List <DbaseField>(DbaseSchema.GetFields(schema, file._header));
file._headerIsParsed = true;
file.Open(WriteAccess.Exclusive);
file.Save();
file.Close();
return(file);
}
internal void WriteFullHeader(DbaseHeader header)
{
_binaryWriter.Seek(0, SeekOrigin.Begin);
_binaryWriter.Write(DbaseConstants.DbfVersionCode);
UpdateHeader(header);
_binaryWriter.Write(header.HeaderLength);
_binaryWriter.Write(header.RecordLength);
_binaryWriter.Write(new Byte[DbaseConstants.EncodingOffset - (Int32)_binaryWriter.BaseStream.Position]);
_binaryWriter.Write(header.LanguageDriver);
_binaryWriter.Write(new Byte[2]);
foreach (DbaseField field in header.Columns)
{
String colName = field.ColumnName + new String('\0', DbaseConstants.FieldNameLength);
Byte[] colNameBytes = Encoding.ASCII.GetBytes(colName.Substring(0, DbaseConstants.FieldNameLength));
_binaryWriter.Write(colNameBytes);
Char fieldTypeCode = DbaseSchema.GetFieldTypeCode(field.DataType);
_binaryWriter.Write(fieldTypeCode);
_binaryWriter.Write(0); // Address field isn't supported
if (fieldTypeCode == 'N' || fieldTypeCode == 'F')
{
_binaryWriter.Write((Byte)field.Length);
_binaryWriter.Write(field.Decimals);
}
else
{
_binaryWriter.Write((Byte)field.Length);
_binaryWriter.Write((Byte)(field.Length >> 8));
}
_binaryWriter.Write(new Byte[14]);
}
_binaryWriter.Write(DbaseConstants.HeaderTerminator);
}
private void parseHeader(Stream dbfStream)
{
_header = DbaseHeader.ParseDbfHeader(new NondisposingStream(dbfStream));
_baseTable = DbaseSchema.GetFeatureTableForFields(_header.Columns, _geoFactory);
_headerIsParsed = true;
}