public void Read(FileDatabaseStream reader)
{
var signature = Encoding.UTF8.GetString(reader.ReadBytes(8));
if (signature != "1CDBMSV8")
{
throw new Exception("This file is not a 1C database");
}
var versionData = reader.ReadBytes(4);
var version = $"{versionData[0]}.{versionData[1]}.{versionData[2]}.{versionData[3]}";
if (version != "8.3.8.0")
{
throw new Exception($"{version} is unknown version");
}
Signature = signature;
Version = version;
PagesCount = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
// skip 4 bytes of unknown value
reader.ReadBytes(4);
PageSize = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
}
public void Read(FileDatabaseStream reader)
{
var type = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
if (!(type is 0x0000FF1C))
{
throw new Exception($"{type} is not a type of \"Free pages\" block");
}
Type = type;
PagesCount = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
Version = BinaryPrimitives.ReadInt32LittleEndian(reader.ReadBytes(4));
PageNumbers = new int[PagesCount];
for (int i = 0; i < PagesCount; i++)
{
var number = BinaryPrimitives.ReadInt32LittleEndian(reader.ReadBytes(4));
if (number == 0)
{
break;
}
PageNumbers[i] = number;
}
}
protected byte[] ReadBytes(int count)
{
_stream.Position = _position;
if (_dataPage == -1)
{
GoToNextDataPage();
}
var buffer = new byte[count];
// Loop till read requested quantity
var read = 0;
while (read < count)
{
read += _stream.ReadBytes(buffer, read, count - read);
if (read < count)
{
GoToNextDataPage();
}
}
if (PageReadingCompleted())
{
GoToNextDataPage();
}
_position = _stream.Position;
return(buffer);
}
public virtual void Read(FileDatabaseStream reader)
{
DataLength = BinaryPrimitives.ReadUInt64LittleEndian(reader.ReadBytes(8));
var pageNumbers = new List <uint>();
while (true)
{
var pageNumber = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
if (pageNumber == 0)
{
break;
}
pageNumbers.Add(pageNumber);
}
PageNumbers = pageNumbers.ToArray();
}
public void Read(FileDatabaseStream reader)
{
Type = (InnerFileType)BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
var v1 = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
var v2 = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
var v3 = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
Version = $"{v1}.{v2}.{v3}";
DataLength = BinaryPrimitives.ReadUInt64LittleEndian(reader.ReadBytes(8));
var pageNumbers = new List <uint>();
while (true)
{
var pageNumber = BinaryPrimitives.ReadUInt32LittleEndian(reader.ReadBytes(4));
if (pageNumber == 0)
{
break;
}
pageNumbers.Add(pageNumber);
}
PageNumbers = pageNumbers.ToArray();
}