internal static void ResolveFilenames(IEnumerable <RomfsEntry> entries)
{
var list = new List <string>();
var sb = new StringBuilder();
const string delimiter = "/";
foreach (RomfsEntry file in entries)
{
list.Add(file.Name);
RomfsDir dir = file.ParentDir;
while (dir != null)
{
list.Add(delimiter);
list.Add(dir.Name);
dir = dir.ParentDir;
}
for (int i = list.Count - 1; i >= 0; i--)
{
sb.Append(list[i]);
}
file.FullPath = sb.ToString();
list.Clear();
sb.Clear();
}
}
public Romfs(IStorage storage)
{
BaseStorage = storage;
byte[] dirMetaTable;
byte[] fileMetaTable;
using (var reader = new BinaryReader(BaseStorage.AsStream(), Encoding.Default, true))
{
Header = new RomfsHeader(reader);
reader.BaseStream.Position = Header.DirMetaTableOffset;
dirMetaTable = reader.ReadBytes((int)Header.DirMetaTableSize);
reader.BaseStream.Position = Header.FileMetaTableOffset;
fileMetaTable = reader.ReadBytes((int)Header.FileMetaTableSize);
}
using (var reader = new BinaryReader(new MemoryStream(dirMetaTable)))
{
int position = 0;
while (position + 20 < Header.DirMetaTableSize)
{
var dir = new RomfsDir(reader)
{
Offset = position
};
Directories.Add(dir);
if (dir.ParentDirOffset == position)
{
RootDir = dir;
}
position = (int)reader.BaseStream.Position;
}
}
using (var reader = new BinaryReader(new MemoryStream(fileMetaTable)))
{
int position = 0;
while (position + 20 < Header.FileMetaTableSize)
{
var file = new RomfsFile(reader)
{
Offset = position
};
Files.Add(file);
position = (int)reader.BaseStream.Position;
}
}
SetReferences();
RomfsEntry.ResolveFilenames(Files);
RomfsEntry.ResolveFilenames(Directories);
FileDict = Files.ToDictionary(x => x.FullPath, x => x);
}