/// <summary>
/// Deserializes the filesystem portion (directory and files) of a release manifest file.
/// </summary>
private void DeserializeFileSystemBody(
BinaryReader reader,
ReleaseManifest manifest,
DeserializationContext context)
{
// - First load the directory block and treeify it ---------------------------------------
reader.BaseStream.Position = context.DirectoryTableDataOffset;
context.DirectoryDescriptors = new ReleaseManifestDirectoryDescriptor[context.DirectoryTableCount];
context.FileParentTable = new ReleaseManifestDirectoryEntry[context.FileTableCount];
context.directoryTable = new ReleaseManifestDirectoryEntry[context.DirectoryTableCount];
for (var i = 0; i < context.DirectoryTableCount; i++)
{
context.DirectoryDescriptors[i] = reader.ReadRMDirectoryDescriptor();
}
DeserializeTreeifyDirectoryDescriptor(0, context);
manifest.Directories = new ReadOnlyCollection <ReleaseManifestDirectoryEntry>(context.directoryTable);
manifest.Root = context.directoryTable[0];
// - Place the File Descriptors into our tree---------------------------------------------
reader.BaseStream.Position = context.FileTableDataOffset;
var files = new ReleaseManifestFileEntry[context.FileTableCount];
for (var fileId = 0U; fileId < context.FileTableCount; fileId++)
{
var fileDescriptor = reader.ReadRMFileEntryDescriptor();
files[fileId] = new ReleaseManifestFileEntry(fileId, manifest, fileDescriptor, context.FileParentTable[fileId]);
}
manifest.Files = new ReadOnlyCollection <ReleaseManifestFileEntry>(files);
}
/// <summary>
/// Loads the header block of a release manifest file
/// </summary>
private void DeserializeHeader(
BinaryReader reader,
ReleaseManifest manifest,
DeserializationContext context)
{
manifest.Header.magic = reader.ReadUInt32();
manifest.Header.formatVersion = reader.ReadUInt32();
manifest.Header.unknownCount = reader.ReadUInt32();
manifest.Header.entityVersion = reader.ReadUInt32();
}
internal ReleaseManifestFileEntry(
uint fileId,
ReleaseManifest releaseManifest,
ReleaseManifestFileEntryDescriptor fileDescriptor,
ReleaseManifestDirectoryEntry parent
)
{
m_id = fileId;
m_releaseManifest = releaseManifest;
m_descriptor = fileDescriptor;
m_parent = parent;
parent.m_files.Add(this);
}
/// <summary>
/// Skips over the filesystem body portion of a release manifest file.
///
/// Offsets to the directory and file tables' contents are stored in the deserialization
/// context object.
/// </summary>
private void DeserializeSkipFileSystemBody(
BinaryReader reader,
ReleaseManifest manifest,
DeserializationContext context)
{
context.DirectoryTableCount = reader.ReadUInt32();
context.DirectoryTableDataOffset = reader.BaseStream.Position;
reader.BaseStream.Position += kDirectoryEntrySize * context.DirectoryTableCount;
context.FileTableCount = reader.ReadUInt32();
context.FileTableDataOffset = reader.BaseStream.Position;
reader.BaseStream.Position += kFileEntrySize * context.FileTableCount;
}
/// <summary>
/// Deserializes the string table of a release manifest file
/// </summary>
private void DeserializeStringTable(
BinaryReader reader,
ReleaseManifest manifest,
DeserializationContext context)
{
var stringTable = new ReleaseManifestStringTable();
stringTable.Count = reader.ReadUInt32();
stringTable.BlockSize = reader.ReadUInt32();
stringTable.Strings = new string[stringTable.Count];
for (var i = 0; i < stringTable.Count; i++)
{
stringTable.Strings[i] = reader.ReadNullTerminatedString();
}
manifest.StringTable = stringTable;
}
// - deserialization ------------------------------------------------------------------------
/// <summary>
/// Loads a Riot Application Distribution System Release Manifest file from the given path.
/// </summary>
public ReleaseManifest LoadFile(string path)
{
using (var ms = new MemoryStream(File.ReadAllBytes(path)))
using (var reader = new BinaryReader(ms)) {
var rmFile = new ReleaseManifest(path);
var context = new DeserializationContext()
{
ReleaseManifest = rmFile
};
DeserializeHeader(reader, rmFile, context);
DeserializeSkipFileSystemBody(reader, rmFile, context);
DeserializeStringTable(reader, rmFile, context);
DeserializeFileSystemBody(reader, rmFile, context);
return(rmFile);
}// using
}
internal ReleaseManifestDirectoryEntry(
uint directoryId,
ReleaseManifest releaseManifest,
ReleaseManifestDirectoryDescriptor descriptor,
ReleaseManifestDirectoryEntry parent
)
{
m_id = directoryId;
m_releaseManifest = releaseManifest;
m_descriptor = descriptor;
m_parent = parent;
if (parent != null)
{
parent.m_directories.Add(this);
}
m_directories = new List <ReleaseManifestDirectoryEntry>((int)descriptor.SubdirectoryCount);
m_files = new List <ReleaseManifestFileEntry>((int)descriptor.FileCount);
}
public ReleaseManifestWriter(ReleaseManifest manifest)
{
this.manifest = manifest;
}