public static IPackage LoadPackage(string filename)
{
var fs = File.OpenRead(filename);
var s = new BinaryFileHelper(fs);
try
{
if (s.ReadString() != "HuiDesktopPackage")
{
throw new InvalidDataException();
}
var version = s.ReadByte();
switch (version)
{
case 3:
return(new V3Package(fs));
case 4:
return(new V4Package(fs));
default:
throw new NotSupportedException();
}
}
catch (EndOfStreamException)
{
throw new InvalidDataException();
}
}
public void Export(Stream stream)
{
var writer = new BinaryFileHelper(stream);
writer.WriteString("HuiDesktopPackage");
writer.WriteByte(4);
//writer = new BinaryFileHelper(new System.IO.Compression.GZipStream(stream, System.IO.Compression.CompressionLevel.Optimal));
using (writer = new BinaryFileHelper(new System.IO.Compression.DeflateStream(stream, System.IO.Compression.CompressionLevel.Optimal)))
{
writer.WriteString(strongName);
writer.WriteString(friendlyName);
writer.WriteString(description);
writer.WriteUnsignedInt(startupInfos.Count);
foreach (var i in startupInfos)
{
writer.WriteString(i.name);
writer.WriteString(i.url);
writer.WriteUnsignedInt(i.dependencies.Count);
foreach (var ii in i.dependencies)
{
writer.WriteString(ii);
}
}
writer.WriteUnsignedInt(files.Count);
foreach (var i in files)
{
writer.WriteString(i.Key);
writer.WriteUnsignedInt((int)i.Value.Length);
i.Value.Position = 0;
writer.CopyFrom(i.Value);
}
}
}
public V4Package(Stream stream)
{
var reader = new BinaryFileHelper(new System.IO.Compression.DeflateStream(stream, System.IO.Compression.CompressionMode.Decompress));
//var reader = new BinaryFileHelper(stream);
strongName = reader.ReadString();
friendlyName = reader.ReadString();
description = reader.ReadString();
for (int i = reader.ReadUnsignedInt(); i > 0; --i)
{
var name = reader.ReadString();
var url = reader.ReadString();
var d = new List <string>();
for (int ii = reader.ReadUnsignedInt(); ii > 0; --ii)
{
d.Add(reader.ReadString());
}
startupInfos.Add(new StartupInfo
{
dependencies = d,
name = name,
url = url,
fromPackage = this
});
}
for (int i = reader.ReadUnsignedInt(); i > 0; --i)
{
string name = reader.ReadString();
int length = reader.ReadUnsignedInt();
var mem = new MemoryStream();
reader.CopyTo(mem, length);
files[name] = mem;
}
}
