public static Mbdb LoadFrom(this MbdbReader item, string path)
{
Mbdb result = default;
using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
result = item.LoadFrom(stream);
}
return(result);
}
public static Mbdb LoadFrom(this MbdbReader item, byte[] data)
{
Mbdb result = default;
using (var stream = new MemoryStream(data, false))
{
result = item.LoadFrom(stream);
}
return(result);
}
public static Mbdb LoadFrom(this MbdbReader item, Stream stream)
{
Mbdb result = default;
using (var reader = new BinaryReader(stream))
{
result = item.LoadFrom(reader);
}
return(result);
}
public static bool IsSupportedFormat(this Mbdb item)
{
bool result = false;
if (string.Equals(MbdbConstants.MagicNumber, item.MagicNumber, StringComparison.OrdinalIgnoreCase) &&
item.MajorVersion == 5 && item.MinorVersion == 0)
{
result = true;
}
return(result);
}
public Mbdb LoadFrom(BinaryReader reader)
{
Mbdb result = default;
if (reader.BaseStream.Length >= MbdbConstants.MinimumViableLength)
{
result = new Mbdb();
result.MagicNumber = reader.ReadAsciiString(4);
result.MajorVersion = reader.ReadByte();
result.MinorVersion = reader.ReadByte();
if (result.IsSupportedFormat())
{
long length = reader.BaseStream.Length;
long position = reader.BaseStream.Position;
var entries = new List <MbdbEntry>();
while (position < length)
{
var entry = ReadMbdbEntry(reader);
entries.Add(entry);
position = reader.BaseStream.Position;
}
if (entries.Count > 0)
{
result.Items = entries.ToArray();
}
}
}
return(result);
}
