private static StringBuilder PPIndexRecursionHelper(
ZipDirectory curdir,
StringBuilder builder,
string curpath = "",
bool addDirName = false)
{
if (addDirName)
{
curpath = $"{curpath}{curdir.Name}/";
}
else
{
curpath = $"{curpath}/";
}
builder.AppendLine($"DIR {curpath}");
foreach (ZipFile zfile in curdir.Files)
{
builder.AppendLine($"FILE {curpath}{zfile.Name}");
}
foreach (ZipDirectory zdir in curdir.Directories)
{
builder = PPIndexRecursionHelper(zdir, builder, curpath, true);
}
return(builder);
}
public static void Unzip(IEnumerable <string> paths, string location)
{
foreach (string path in paths)
{
ConsoleUtil.PrintMessage($"Unzipping {path}");
ConsoleUtil.PrintMessage("Parsing index...");
ZipDirectory rootDir = Index(path);
if (rootDir == null)
{
continue;
}
using (MemoryMappedFile mmf =
MemoryMappedFile.CreateFromFile(path, FileMode.Open))
{
ConsoleUtil.PrintMessage("Unpacking...");
try
{
UnpackDirectory(rootDir, mmf, location);
}
catch (CorruptionException)
{
ConsoleUtil.PrintError("Unable to unzip because the .czip file is corrupt");
}
}
}
}
public static ZipDirectory PackDirectory(DirectoryInfo dirinfo)
{
ConsoleUtil.PrintInfo($"Packing directory {dirinfo.FullName}");
ZipDirectory zdir = new ZipDirectory {
Name = dirinfo.Name
};
try
{
foreach (DirectoryInfo di in dirinfo.GetDirectories())
{
ZipDirectory ndir = PackDirectory(di);
if (ndir != null)
{
zdir.Directories.Add(ndir);
}
}
foreach (FileInfo fi in dirinfo.GetFiles())
{
ZipFile zfile = PackFile(fi);
if (zfile != null)
{
zdir.Files.Add(zfile);
}
}
return(zdir);
}
catch (UnauthorizedAccessException)
{
ConsoleUtil.PrintWarning($"Skipping {dirinfo.FullName} because access was denied");
return(null);
}
}
public void OpenCzip(string path)
{
ZipDirectory root = Api.Index(path);
if (root == null)
{
return; // TODO: Handle this
}
TreeNode tn = new TreeNode();
AddRecursive(root, tn);
tv_main.Nodes.Add(tn.Nodes[0]);
}
public static void Unzip(IEnumerable <string> paths, IEnumerable <string> selectors, string location)
{
foreach (string path in paths)
{
ZipDirectory rootDir = Index(path);
if (rootDir == null)
{
continue;
}
using (MemoryMappedFile mmf =
MemoryMappedFile.CreateFromFile(path, FileMode.Open))
{
foreach (string selector in selectors)
{
ConsoleUtil.PrintInfo($"Searching for selector: {selector}");
IZippable zip = SelectorSearch(
rootDir,
selector.Split(
new char[] { '\\', '/' },
StringSplitOptions.RemoveEmptyEntries));
try
{
if (zip is ZipDirectory zdir)
{
ConsoleUtil.PrintMessage(
$"Unpacking directory {zdir.Name} from {path}");
UnpackDirectory(zdir, mmf, location);
}
else if (zip is ZipFile zfile)
{
ConsoleUtil.PrintMessage(
$"Unpacking file {zfile.Name} from {path}");
UnpackFile(zfile, mmf, location);
}
else
{
ConsoleUtil.PrintWarning(
$"Selector {selector} not found in {path}");
}
}
catch (CorruptionException)
{
ConsoleUtil.PrintError(
"Unable to unzip because the .czip file is corrupt");
}
}
}
}
}
public static void UnpackDirectory(
ZipDirectory dir, MemoryMappedFile mmf, string dirPath)
{
string path = $"{dirPath}\\{dir.Name}";
ConsoleUtil.PrintInfo($"Unpacking directory {dir.Name}");
DirectoryInfo di;
try
{
di = new DirectoryInfo(path);
}
catch (Exception ex) when(ex is ArgumentException || ex is PathTooLongException)
{
throw new CorruptionException($"Directory name \"{dir.Name}\" is invalid");
}
if (File.Exists(path))
{
if (ConsoleUtil.PromptYN("A file with the same name as the " +
$"directory \"{di.FullName}\" being unpacked already exists, remove it?"))
{
try
{
File.Delete(path);
}
catch (Exception ex) when(ex is IOException || ex is UnauthorizedAccessException)
{
ConsoleUtil.PrintError("Unable delete file.");
return;
}
}
else
{
return;
}
}
di.Create();
foreach (ZipDirectory subdir in dir.Directories)
{
UnpackDirectory(subdir, mmf, di.FullName);
}
foreach (ZipFile file in dir.Files)
{
UnpackFile(file, mmf, di.FullName);
}
}
public static string PPIndex(IEnumerable <string> paths)
{
StringBuilder res = new StringBuilder();
foreach (string path in paths)
{
ZipDirectory rootDir = Index(path);
if (rootDir == null)
{
continue;
}
res.AppendLine($"{Environment.NewLine}Index of {path}:");
res = PPIndexRecursionHelper(rootDir, res);
}
return(res.ToString());
}
public void AddRecursive(ZipDirectory zdir, TreeNode root)
{
TreeNode tn = new TreeNode(zdir.Name, 0, 0);
tn.Tag = zdir;
root.Nodes.Add(tn);
foreach (ZipDirectory dir in zdir.Directories)
{
AddRecursive(dir, tn);
}
foreach (ZipFile zfile in zdir.Files)
{
TreeNode ftn = new TreeNode(zfile.Name, 2, 2);
ftn.Tag = zfile;
tn.Nodes.Add(ftn);
}
}
public static void Zip(IEnumerable <string> paths, string location)
{
ZipDirectory rootDir = new ZipDirectory
{
Name = Path.GetFileName(paths.First().TrimEnd('\\', '/'))
};
foreach (string path in paths)
{
ConsoleUtil.PrintMessage($"Zipping {path}");
FileInfo fi = new FileInfo(path);
if (fi.Exists)
{
ZipFile zfile = PackFile(fi);
if (zfile != null)
{
rootDir.Files.Add(zfile);
}
continue;
}
DirectoryInfo di = new DirectoryInfo(path);
if (di.Exists)
{
ZipDirectory zdir = PackDirectory(di);
if (zdir != null)
{
rootDir.Directories.Add(zdir);
}
}
}
long offset = rootDir.Serialize().Length;
rootDir.OffsetFiles(offset);
using (FileStream fs = File.Create(location))
{
SerializedData sd = rootDir.Serialize();
sd.CopyTo(fs);
foreach (ZipFile zfile in rootDir.AllFiles())
{
zfile.CopyToFile(fs);
}
ConsoleUtil.PrintMessage($"Created .czip file {location}");
}
}
public static ZipDirectory Index(string path)
{
using (BinaryReader stream = new BinaryReader(
File.OpenRead(path), Encoding.Default))
{
try
{
ConsoleUtil.PrintInfo($"Parsing index of {path}");
ZipDirectory zdir = IndexParser.Parse(stream);
return(zdir);
}
catch (ParseException)
{
ConsoleUtil.PrintError($"Unable to parse index of {path}");
return(null);
}
}
}
private static IZippable SelectorSearch(ZipDirectory root, IEnumerable <string> selector)
{
if (selector.Count() == 0)
{
return(root);
}
ConsoleUtil.PrintInfo($"Searching for {selector.First()} in {root.Name}");
IZippable zip = root.FindByName(selector.First());
if (selector.Count() == 1)
{
return(zip);
}
if (zip is ZipDirectory zdir)
{
return(SelectorSearch(zdir, selector.Skip(1)));
}
return(null);
}
private static ZipDirectory ParseDirectory(BinaryReader stream)
{
char curChar;
StringBuilder curField = new StringBuilder();
ZipDirectory zdir = new ZipDirectory();
// Parse Name
while (true)
{
curChar = (char)stream.Read();
if (curChar == GS)
{
zdir.Name = curField.ToString();
curField.Clear();
break;
}
else if (stream.BaseStream.Position >= stream.BaseStream.Length)
{
throw new ParseException("End of stream while parsing");
}
curField.Append(curChar);
}
// Parse Files
while (stream.Read() == RS)
{
ZipFile nzfile = ParseFile(stream);
zdir.Files.Add(nzfile);
}
// Parse Directories
while (stream.Read() == RS)
{
ZipDirectory nzdir = ParseDirectory(stream);
zdir.Directories.Add(nzdir);
}
ConsoleUtil.PrintInfo(
$"Parsed directory \"{zdir.Name ?? "UNKNOWN NAME"}\" with " +
$"{zdir.Directories.Count} subdirectories and {zdir.Files.Count} files");
return(zdir);
}
public static ZipDirectory Parse(BinaryReader stream)
{
ZipDirectory root = ParseDirectory(stream);
return(root);
}