public static byte[] ReadBytes(string filePath, int offset, int length)
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
Sanity.Requires(fs.Length >= offset + length, "File length error.");
fs.Seek(offset, SeekOrigin.Begin);
using (BinaryReader br = new BinaryReader(fs))
{
return(br.ReadBytes(length));
}
}
}
public static void WriteBytes(string filePath, byte[] bytes, int offset)
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Write))
{
Sanity.Requires(fs.Length > offset + bytes.Length, "File length error.");
fs.Seek(offset, SeekOrigin.Begin);
using (BinaryWriter br = new BinaryWriter(fs))
{
br.Write(bytes);
}
}
}
private void ParseSchema()
{
Sanity.Requires(Schema.ColumnCount == Schema.ColumnNames.Length, "Schema name count mismatches.");
Sanity.Requires(Schema.ColumnCount == Schema.ColumnTypes.Length, "Schema type count mismatches.");
}