internal DbfRecord(BinaryReader reader, DbfHeader header, List <DbfField> fields, byte[] memoData, Encoding encoding)
{
this.fields = fields;
Data = new List <object>();
// Read record marker.
byte marker = reader.ReadByte();
// Read entire record as sequence of bytes.
// Note that record length includes marker.
byte[] row = reader.ReadBytes(header.RecordLength - 1);
// Read data for each field.
int offset = 0;
foreach (DbfField field in fields)
{
// Copy bytes from record buffer into field buffer.
byte[] buffer = new byte[field.Length];
Array.Copy(row, offset, buffer, 0, field.Length);
offset += field.Length;
IEncoder encoder = EncoderFactory.GetEncoder(field.Type);
Data.Add(encoder.Decode(buffer, memoData, encoding));
}
}
/// <summary>
/// Creates writes the current instance to the specified stream.
/// </summary>
/// <param name="stream">The output stream.</param>
/// <param name="version">The version <see cref="DbfVersion" />. If unknown specified, use current header version.</param>
public void Write(Stream stream, DbfVersion version = DbfVersion.Unknown)
{
if (version != DbfVersion.Unknown)
{
header.Version = version;
header = DbfHeader.CreateHeader(header.Version);
}
Write(stream, true);
}
private void ReadHeader(BinaryReader reader)
{
// Peek at version number, then try to read correct version header.
byte versionByte = reader.ReadByte();
reader.BaseStream.Seek(0, SeekOrigin.Begin);
DbfVersion version = (DbfVersion)versionByte;
Header = DbfHeader.CreateHeader(version);
Header.Read(reader);
}
/// <summary>
/// Creates a new file, writes the current instance to the file, and then closes the file. If the target file already exists, it is overwritten.
/// </summary>
/// <param name="path">The file to read.</param>
/// <param name="version">The version <see cref="DbfVersion" />. If unknown specified, use current header version.</param>
public void Write(string path, DbfVersion version = DbfVersion.Unknown)
{
if (version != DbfVersion.Unknown)
{
header.Version = version;
header = DbfHeader.CreateHeader(header.Version);
}
using (FileStream stream = File.Open(path, FileMode.Create, FileAccess.Write))
{
Write(stream, false);
}
}
public void Write(String path, DbfVersion version = DbfVersion.Unknown)
{
// Use version specified. If unknown specified, use current header version.
if (version != DbfVersion.Unknown)
{
header.Version = version;
}
header = DbfHeader.CreateHeader(header.Version);
FileStream stream = File.Open(path, FileMode.Create, FileAccess.Write);
BinaryWriter writer = new BinaryWriter(stream);
header.Write(writer, fields, records);
WriteFields(writer);
WriteRecords(writer);
writer.Close();
stream.Close();
}
/// <summary>
/// Creates empty dBASE table with specified encoding.
/// </summary>
/// <param name="version"></param>
public Dbf(DbfVersion version, Encoding encoding)
{
_encoding = encoding;
Header = DbfHeader.CreateHeader(version);
}
/// <summary>
/// Creates empty dBASE table with default (ASCII) encoding.
/// </summary>
/// <param name="version"></param>
public Dbf(DbfVersion version)
{
Header = DbfHeader.CreateHeader(version);
}
/// <summary>
/// Initializes a new instance of the <see cref="Dbf" />.
/// </summary>
public Dbf()
{
header = DbfHeader.CreateHeader(DbfVersion.FoxBaseDBase3NoMemo);
Fields = new List <DbfField>();
Records = new List <DbfRecord>();
}
