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public static ReadBin_SeekTo ( |
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| stream | ||
| str | byte | |
| fileLength | long | |
| return | void | |
public static Dictionary <int, AppInfo> LoadApps(string path)
{
Dictionary <int, AppInfo> result = new Dictionary <int, AppInfo>();
BinaryReader bReader = new BinaryReader(new FileStream(path, FileMode.Open, FileAccess.Read));
long fileLength = bReader.BaseStream.Length;
// seek to common: start of a new entry
byte[] start = new byte[] { 0x00, 0x00, 0x63, 0x6F, 0x6D, 0x6D, 0x6F, 0x6E, 0x00 }; // 0x00 0x00 c o m m o n 0x00
VdfFileNode.ReadBin_SeekTo(bReader, start, fileLength);
VdfFileNode node = VdfFileNode.LoadFromBinary(bReader, fileLength);
while (node != null)
{
AppInfo app = AppInfo.FromVdfNode(node);
if (app != null)
{
result.Add(app.Id, app);
}
VdfFileNode.ReadBin_SeekTo(bReader, start, fileLength);
node = VdfFileNode.LoadFromBinary(bReader, fileLength);
}
bReader.Close();
return(result);
}
/// <summary>
/// Loads Apps from packageinfo.vdf.
/// </summary>
/// <param name="path">Path of packageinfo.vdf</param>
public static Dictionary <int, PackageInfo> LoadPackages(string path)
{
Dictionary <int, PackageInfo> result = new Dictionary <int, PackageInfo>();
/* packageinfo.vdf entry example format, sometimes has extra values. Line breaks are only for readability and not part of format.
* we only care about *packageid*, *billingtype*, *appids*
* *undeciphered*(24 bytes i haven't deciphered) *changenumber*(4 bytes, little endian)
* 00 *packageid*(variable size, big endian, ascii) 00
* 02 packageid 00 *packageid*(4 bytes, little endian)
* 02 billingtype 00 *billingtype*(4 bytes, little endian)
* 02 licensetype 00 *licensetype*(4 bytes, little endian)
* 02 status 00 00 00 00 00 00 extended 00
* 08 00 appids 00 02 *entrynumber*(variable size, number stored as string(ascii), starts at 0, random example: 31 38 39=189) 00 *appid*(4 bytes, little endian)
* 08 00 depotids 00 02 *entrynumber* 00 *depotid*(4 bytes, little endian) 02 *entrynumber* 00 *depotid* 02 *entrynumber* 00 *depotid*
* 08 00 appitems 00 08 08 08
*/
BinaryReader bReader = new BinaryReader(new FileStream(path, FileMode.Open), Encoding.ASCII);
long fileLength = bReader.BaseStream.Length;
// seek to packageid: start of a new entry
byte[] packageidBytes =
{
0x00, 0x02, 0x70, 0x61, 0x63, 0x6B, 0x61, 0x67, 0x65, 0x69, 0x64, 0x00
}; // 0x00 0x02 p a c k a g e i d 0x00
byte[] billingtypeBytes =
{
0x02, 0x62, 0x69, 0x6C, 0x6C, 0x69, 0x6E, 0x67, 0x74, 0x79, 0x70, 0x65, 0x00
}; // 0x02 b i l l i n g t y p e 0x00
byte[] appidsBytes = { 0x08, 0x00, 0x61, 0x70, 0x70, 0x69, 0x64, 0x73, 0x00 }; // 0x08 0x00 appids 0x00
VdfFileNode.ReadBin_SeekTo(bReader, packageidBytes, fileLength);
while (bReader.BaseStream.Position < fileLength)
{
int id = bReader.ReadInt32();
PackageInfo package = new PackageInfo(id);
VdfFileNode.ReadBin_SeekTo(bReader, billingtypeBytes, fileLength);
package.BillingType = (PackageBillingType)bReader.ReadInt32();
VdfFileNode.ReadBin_SeekTo(bReader, appidsBytes, fileLength);
while (bReader.ReadByte() == 0x02)
{
while (bReader.ReadByte() != 0x00)
{
}
package.AppIds.Add(bReader.ReadInt32());
}
result.Add(package.Id, package);
VdfFileNode.ReadBin_SeekTo(bReader, packageidBytes, fileLength);
}
return(result);
}
