/// <summary>
/// Reads all entries in the archive into memory.
/// </summary>
/// <param name="ThrowException">Wether or not to throw an exception if the archive was not a FAR. If false, function will return.</param>
public bool ReadArchive(bool ThrowException)
{
if (m_Reader == null)
{
m_Reader = new FileReader(m_Path, false);
}
lock (m_Reader)
{
ASCIIEncoding Enc = new ASCIIEncoding();
string MagicNumber = Enc.GetString(m_Reader.ReadBytes(8));
if (!MagicNumber.Equals("FAR!byAZ", StringComparison.InvariantCultureIgnoreCase))
{
if (ThrowException)
{
throw new FAR1Exception("MagicNumber was wrong - FAR1Archive.cs!");
}
else
{
m_Reader.Close();
return(false);
}
}
if (m_Reader.ReadUInt32() != 1) //Version.
{
return(false);
}
m_Reader.Seek(m_Reader.ReadUInt32());
uint NumFiles = m_Reader.ReadUInt32();
for (int i = 0; i < NumFiles; i++)
{
FAR1Entry Entry = new FAR1Entry();
Entry.CompressedDataSize = m_Reader.ReadUInt32();
Entry.DecompressedDataSize = m_Reader.ReadUInt32();
Entry.DataOffset = m_Reader.ReadUInt32();
Entry.FilenameLength = m_Reader.ReadUShort();
if (IsAssemblyDebugBuild(Assembly.GetExecutingAssembly()))
{
string Filename = Enc.GetString(m_Reader.ReadBytes(Entry.FilenameLength));
Entry.Filename = Filename;
Entry.EntryType = GetEntryType(Filename);
Entry.FilenameHash = FileUtilities.GenerateHash(Filename);
}
else
{
Entry.FilenameHash = FileUtilities.GenerateHash(Enc.GetString(m_Reader.ReadBytes(Entry.FilenameLength)));
}
m_Entries.Add(Entry.FilenameHash, Entry);
}
return(true);
}
}
public void AddEntry(FAR1Entry Entry, Stream EntryData, bool Backup = true)
{
m_Entries.Add(Entry.FilenameHash, Entry);
List <Stream> DataOfEntries = GrabEntries(GetHashList());
DataOfEntries.Add(EntryData);
CreateNew(Path, DataOfEntries, Backup);
}
/// <summary>
/// Returns an entry in this archive as a Stream instance.
/// Throws a FAR3Exception if entry was not found.
/// </summary>
/// <param name="ID">ID of the entry to grab from archive.</param>
/// <returns>The entry's data as a Stream instance.</returns>
public Stream GrabEntry(string Filename)
{
if (!ContainsEntry(Filename))
{
throw new FAR1Exception("Couldn't find entry - FAR1Archive.cs!");
}
FAR1Entry Entry = m_Entries[Filename];
if (m_Reader == null)
{
m_Reader = new FileReader(File.Open(m_Path, FileMode.Open), false);
}
m_Reader.Seek(Entry.DataOffset);
MemoryStream Data = new MemoryStream(m_Reader.ReadBytes((int)Entry.DecompressedDataSize));
return(Data);
}
/// <summary>
/// Reads all entries in the archive into memory.
/// </summary>
/// <param name="ThrowException">Wether or not to throw an exception if the archive was not a FAR. If false, function will return.</param>
public void ReadArchive(bool ThrowException)
{
if (m_Reader == null)
m_Reader = new FileReader(m_Path, false);
lock (m_Reader)
{
ASCIIEncoding Enc = new ASCIIEncoding();
string MagicNumber = Enc.GetString(m_Reader.ReadBytes(8));
if (!MagicNumber.Equals("FAR!byAZ", StringComparison.InvariantCultureIgnoreCase))
{
if (ThrowException)
throw new FAR1Exception("MagicNumber was wrong - FAR1Archive.cs!");
else
{
m_Reader.Close();
return;
}
}
m_Reader.ReadUInt32(); //Version.
m_Reader.Seek(m_Reader.ReadUInt32());
uint NumFiles = m_Reader.ReadUInt32();
for (int i = 0; i < NumFiles; i++)
{
FAR1Entry Entry = new FAR1Entry();
Entry.CompressedDataSize = m_Reader.ReadUInt32();
Entry.DecompressedDataSize = m_Reader.ReadUInt32();
Entry.DataOffset = m_Reader.ReadUInt32();
Entry.FilenameLength = m_Reader.ReadUShort();
Entry.FilenameHash = FileUtilities.GenerateHash(Enc.GetString(m_Reader.ReadBytes(Entry.FilenameLength)));
m_Entries.Add(Entry);
}
}
}
