Exemplo n.º 1
0
 protected override void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (disposing && zzipFile != IntPtr.Zero)
     {
         ZipStream_FileClose(zzipFile);
         zzipFile = IntPtr.Zero;
     }
     if (zzipDir != null)
     {
         zzipDir.finished();
         zzipDir = null;
     }
 }
Exemplo n.º 2
0
        /// <summary>
        /// Open an new ZipStream. Each ZipStream gets its own zzipDir to allow correct multithreaded reading of files.
        /// These handles come out of a pool managed by zipFile so tons of extras are not created.
        /// </summary>
        /// <remarks>
        /// This is based on:
        /// https://bitbucket.org/sinbad/ogre/pull-request/63/made-each-zip-file-stream-have-its-own-zip/diff
        /// http://zziplib.sourceforge.net/changes.html under 2005-12-11, the zip file is opened and read with only one filehandle for
        /// multiple threads that share the same "dir" handle. Look for ->currentfp. To get around this we will just open a new zzipDir
        /// for each file. This uses the extern functions in ZipFile to do this, they are internal.
        /// </remarks>
        /// <param name="zipFile">The name of the zip file to load.</param>
        /// <param name="fileName">The name of the file to load.</param>
        internal unsafe ZipStream(PooledZzipDir zzipDir, String fileName)
        {
            this.zzipDir = zzipDir;

            //Get uncompressed size
            ZZipStat zstat = new ZZipStat();

            ZipFile.ZipFile_DirStat(zzipDir.Ptr, fileName, &zstat, (int)ZZipFlags.ZZIP_CASELESS);
            uncompressedSize = zstat.UncompressedSize;

            //Open file
            zzipFile = ZipFile.ZipFile_OpenFile(zzipDir.Ptr, fileName, ZZipFlags.ZZIP_ONLYZIP | ZZipFlags.ZZIP_CASELESS);
            if (zzipFile == IntPtr.Zero)
            {
                //Be sure to return the directory handle
                zzipDir.finished();
                throw new ZipIOException("Cannot open file");
            }
        }
Exemplo n.º 3
0
        private unsafe void commonLoad()
        {
            pooledZzipDirHandles             = new LifecycleObjectPool <PooledZzipDir>(() => new PooledZzipDir(file), dir => dir.Dispose());
            pooledZzipDirHandles.MaxPoolSize = 3;
            PooledZzipDir zzipDir = pooledZzipDirHandles.getPooledObject();

            HashSet <String> foundDirectories = new HashSet <string>();

            //Read the directories and files out of the zip file
            ZZipStat zzipEntry = new ZZipStat();

            while (ZipFile_Read(zzipDir.Ptr, &zzipEntry))
            {
                String entryName = zzipEntry.Name;
                if (fileFilter == null || entryName.StartsWith(fileFilter))
                {
                    ZipFileInfo fileInfo = new ZipFileInfo(entryName, zzipEntry.CompressedSize, zzipEntry.UncompressedSize);
                    //Make sure we don't end with a /
                    if (fileInfo.IsDirectory)
                    {
                        if (!foundDirectories.Contains(fileInfo.FullName))
                        {
                            directories.Add(fileInfo);
                            foundDirectories.Add(fileInfo.FullName);
                        }
                    }
                    else
                    {
                        files.Add(fileInfo);
                    }
                    addParentDirectories(foundDirectories, fileInfo);
                }
            }

            zzipDir.finished();
        }