public async Task <byte[]> ReadAsync()
            {
                using (var memory = new MemoryStream())
                    using (var stream = _archiveEntry.OpenEntryStream()) {
                        await stream.CopyToAsync(memory);

                        return(memory.ToArray());
                    }
            }
            public override async Task <byte[]> ReadAsync()
            {
                if (_reader != null)
                {
                    return(await Task.Run(() => _reader(_archiveEntry.Key)).ConfigureAwait(false));
                }

                using (var memory = new MemoryStream())
                    using (var stream = _archiveEntry.OpenEntryStream()) {
                        await stream.CopyToAsync(memory);

                        return(memory.ToArray());
                    }
            }
예제 #3
0
            public override Task <byte[]> ReadAsync()
            {
                if (_reader != null)
                {
                    return(Task.Run(() => _reader(_archiveEntry.Key)));
                }

                return(Task.Run(() => {
                    using (var memory = new MemoryStream())
                        using (var stream = _archiveEntry.OpenEntryStream()) {
                            stream.CopyTo(memory);
                            return memory.ToArray();
                        }
                }));
            }
 public static void WriteTo(IArchiveEntry archiveEntry, Stream streamToWriteTo)
 {
     if ((archiveEntry.Archive.Type == ArchiveType.Rar) && archiveEntry.Archive.IsSolid)
     {
         throw new InvalidFormatException("Cannot use Archive random access on SOLID Rar files.");
     }
     if (archiveEntry.IsDirectory)
     {
         throw new ExtractionException("Entry is a file directory and cannot be extracted.");
     }
     IArchiveExtractionListener archive = archiveEntry.Archive as IArchiveExtractionListener;
     archive.EnsureEntriesLoaded();
     archive.FireEntryExtractionBegin(archiveEntry);
     archive.FireFilePartExtractionBegin(archiveEntry.Key, archiveEntry.Size, archiveEntry.CompressedSize);
     Stream stream = archiveEntry.OpenEntryStream();
     if (stream != null)
     {
         using (stream)
         {
             using (Stream stream2 = new ListeningStream(archive, stream))
             {
                 Utility.TransferTo(stream2, streamToWriteTo);
             }
         }
         archive.FireEntryExtractionEnd(archiveEntry);
     }
 }
예제 #5
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 public static string GetDescript(this IArchiveEntry archive)
 {
     using (var stream = new StreamReader(archive.OpenEntryStream()))
     {
         return(stream.ReadToEnd());
     }
 }
        public static void WriteTo(this IArchiveEntry archiveEntry, Stream streamToWriteTo)
        {
            if (archiveEntry.Archive.Type == ArchiveType.Rar && archiveEntry.Archive.IsSolid)
            {
                throw new InvalidFormatException("Cannot use Archive random access on SOLID Rar files.");
            }

            if (archiveEntry.IsDirectory)
            {
                throw new ExtractionException("Entry is a file directory and cannot be extracted.");
            }

            var streamListener = archiveEntry.Archive as IArchiveExtractionListener;

            streamListener.EnsureEntriesLoaded();
            streamListener.FireEntryExtractionBegin(archiveEntry);
            streamListener.FireFilePartExtractionBegin(archiveEntry.Key, archiveEntry.Size, archiveEntry.CompressedSize);
            var entryStream = archiveEntry.OpenEntryStream();

            if (entryStream == null)
            {
                return;
            }
            using (entryStream)
                using (Stream s = new ListeningStream(streamListener, entryStream))
                {
                    s.TransferTo(streamToWriteTo);
                }
            streamListener.FireEntryExtractionEnd(archiveEntry);
        }
        public override Stream OpenStream(string identifier)
        {
            Func <IArchive> _archiveOpener = archiveOpener ?? throw new ObjectDisposedException(GetType().FullName);
            IArchive        archive        = _archiveOpener();
            Stream          s      = null;
            IDisposable     belate = null;

            try
            {
                // Search entry
                IArchiveEntry entry = archive.Entries.Where(e => e.Key == identifier).FirstOrDefault();

                // Not found
                if (entry == null)
                {
                    archive.Dispose(); return(null);
                }

                // Open stream
                s = entry.OpenEntryStream();

                // Belate dispose of source
                belate = belateSource?.Belate();
                Action belateCancel = belate == null ? null : (Action)(() => belate.Dispose());

                // Attach the disposing of the archive to the stream.
                return(new StreamHandle(s, archive, belateCancel));
            }
            catch (Exception) when(CloseDisposable(archive) || CloseDisposable(s) || CloseDisposable(belateSource))
            {
                // Never goes here
                return(null);
            }
        }
        public override Stream OpenStream(string identifier)
        {
            IArchive                _archive   = archive;
            SemaphoreSlim           _lock      = m_lock;
            CancellationTokenSource _cancelSrc = cancelSrc;

            if (_archive == null || _lock == null || _cancelSrc == null)
            {
                throw new ObjectDisposedException(GetType().FullName);
            }
            IArchiveEntry entry = _archive.Entries.Where(e => e.Key == identifier).FirstOrDefault();

            if (entry == null)
            {
                return(null);
            }
            _lock.Wait(_cancelSrc.Token);
            Stream      s      = null;
            IDisposable belate = null;

            try
            {
                s      = entry.OpenEntryStream();
                belate = belateSource?.Belate();
                StreamHandle sh = new StreamHandle(s, belate, () => { try { m_lock.Release(); } catch (Exception) { } });
                return(sh);
            }
            catch (Exception) when(ReleaseSemaphore(_lock) || CloseDisposable(s) || CloseDisposable(belate))
            {
                // Never goes here
                return(null);
            }
        }
        public static void WriteTo(IArchiveEntry archiveEntry, Stream streamToWriteTo)
        {
            if ((archiveEntry.Archive.Type == ArchiveType.Rar) && archiveEntry.Archive.IsSolid)
            {
                throw new InvalidFormatException("Cannot use Archive random access on SOLID Rar files.");
            }
            if (archiveEntry.IsDirectory)
            {
                throw new ExtractionException("Entry is a file directory and cannot be extracted.");
            }
            IArchiveExtractionListener archive = archiveEntry.Archive as IArchiveExtractionListener;

            archive.EnsureEntriesLoaded();
            archive.FireEntryExtractionBegin(archiveEntry);
            archive.FireFilePartExtractionBegin(archiveEntry.Key, archiveEntry.Size, archiveEntry.CompressedSize);
            Stream stream = archiveEntry.OpenEntryStream();

            if (stream != null)
            {
                using (stream)
                {
                    using (Stream stream2 = new ListeningStream(archive, stream))
                    {
                        Utility.TransferTo(stream2, streamToWriteTo);
                    }
                }
                archive.FireEntryExtractionEnd(archiveEntry);
            }
        }
        public static void WriteTo(/*this*/ IArchiveEntry archiveEntry, Stream streamToWriteTo)
        {
            if (archiveEntry.Archive.Type == ArchiveType.Rar && archiveEntry.Archive.IsSolid)
            {
                throw new InvalidFormatException("Cannot use Archive random access on SOLID Rar files.");
            }

            if (archiveEntry.IsDirectory)
            {
                throw new ExtractionException("Entry is a file directory and cannot be extracted.");
            }

            var streamListener = archiveEntry.Archive as IArchiveExtractionListener;
            streamListener.EnsureEntriesLoaded();
            streamListener.FireEntryExtractionBegin(archiveEntry);
            streamListener.FireFilePartExtractionBegin(archiveEntry.Key, archiveEntry.Size, archiveEntry.CompressedSize);
            var entryStream = archiveEntry.OpenEntryStream();
            if (entryStream == null)
            {
                return;
            }
            using(entryStream)
            using (Stream s = new ListeningStream(streamListener, entryStream))
            {
                //s.TransferTo(streamToWriteTo);
                Utility.TransferTo(s,streamToWriteTo);
            }
            streamListener.FireEntryExtractionEnd(archiveEntry);
        }
 /// <summary>
 /// 从目标目录删除压缩文档中的文件列表
 /// </summary>
 /// <param name="entry">压缩文档</param>
 /// <param name="destinationDirectory">目标目录</param>
 /// <param name="options">操作选项</param>
 private void DeleteFromDirectory(IArchiveEntry entry, string destinationDirectory, ExtractionOptions options)
 {
     using (Stream stream = entry.OpenEntryStream())
     {
         using (StreamReader reader = new StreamReader(stream, this.Encoding))
         {
             string file;
             while ((file = reader.ReadLine()) != null)
             {
                 file = file.Trim();
                 if (file.Length <= 0)
                 {
                     continue;
                 }
                 file = Path.Combine(destinationDirectory, options.ExtractFullPath ? file : Path.GetFileName(file));
                 if (Directory.Exists(file))
                 {
                     Directory.Delete(file, true);
                 }
                 else
                 {
                     File.Delete(file);
                 }
             }
         }
     }
 }
예제 #12
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        // 通过压缩流创建图片
        public static Image Create(IArchiveEntry entry)
        {
            try
            {
                if (entry.IsEncrypted)
                {
                    return(null);
                }

                using var stream = entry.OpenEntryStream();
                using var ms     = new MemoryStream();
                stream.CopyTo(ms);
                // bytes = ms.ToArray();

                //return Image.FromStream(ms);
                //var format = Image.DetectFormat(ms);
                //Console.WriteLine(format);
                // return Image.Load(ms);
                return(Image.Load(ms.ToArray()));
            }
            catch (Exception e)
            {
                Console.WriteLine("创建图片出现异常:");
                Console.WriteLine(e);
            }

            return(null);
        }
        public static void WriteTo(this IArchiveEntry archiveEntry, Stream streamToWriteTo)
        {
            if (archiveEntry.IsDirectory)
            {
                throw new ExtractionException("Entry is a file directory and cannot be extracted.");
            }

            var streamListener = (IArchiveExtractionListener)archiveEntry.Archive;

            streamListener.EnsureEntriesLoaded();
            streamListener.FireEntryExtractionBegin(archiveEntry);
            streamListener.FireFilePartExtractionBegin(archiveEntry.Key, archiveEntry.Size, archiveEntry.CompressedSize);
            var entryStream = archiveEntry.OpenEntryStream();

            if (entryStream is null)
            {
                return;
            }
            using (entryStream)
            {
                using (Stream s = new ListeningStream(streamListener, entryStream))
                {
                    s.TransferTo(streamToWriteTo);
                }
            }
            streamListener.FireEntryExtractionEnd(archiveEntry);
        }
예제 #14
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파일: Worker.cs 프로젝트: anffna/SubSync
        private async Task <EntryUnpackResult> UnpackEntryAsync(IArchiveEntry entry, string directory)
        {
            var ext = Path.GetExtension(entry.Key);

            if (entry.Key.ToLower().EndsWith(".srt.txt"))
            {
                ext = ".srt";
            }
            var subtitleFound = this.subtitleExtensions.Contains(ext?.ToLower());
            var targetFile    = Path.Combine(directory, Path.ChangeExtension(entry.Key.Replace("?", ""), ext));
            var dir           = new FileInfo(targetFile).Directory;

            if (dir != null && !dir.Exists)
            {
                dir.Create();
            }

            var targetFileInfo = new FileInfo(targetFile);

            using (var entryStream = entry.OpenEntryStream())
                using (var sw = targetFileInfo.Create())//new FileStream(targetFile, FileMode.Create))
                {
                    var read   = 0;
                    var buffer = new byte[4096];
                    while ((read = await entryStream.ReadAsync(buffer, 0, buffer.Length)) != 0)
                    {
                        await sw.WriteAsync(buffer, 0, read);
                    }

                    return(new EntryUnpackResult(subtitleFound: subtitleFound, filename: targetFile, entry: entry.Key));
                }
        }
예제 #15
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        public async Task <BitmapImage> GenerateBitmapImageAsync(CancellationToken ct)
        {
            using (var entryStream = _entry.OpenEntryStream())
                using (var memoryStream = _recyclableMemoryStreamManager.GetStream())
                {
                    entryStream.CopyTo(memoryStream);
                    memoryStream.Seek(0, SeekOrigin.Begin);

                    ct.ThrowIfCancellationRequested();

                    var bitmapImage = new BitmapImage();
                    await bitmapImage.SetSourceAsync(memoryStream.AsRandomAccessStream()).AsTask(ct);

                    ct.ThrowIfCancellationRequested();

                    return(bitmapImage);
                }
        }
예제 #16
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        /// <summary>
        /// Uncompresses the <see cref="IArchiveEntry"/> into a <see cref="MemoryStream"/>.
        /// </summary>
        /// <param name="archiveEntry">The <see cref="IArchiveEntry"/> to uncompress into a <see cref="MemoryStream"/>.</param>
        /// <returns>The <see cref="MemoryStream"/> containing the uncompressed <see cref="IArchiveEntry"/>.</returns>
        public static MemoryStream ExtractToStream(this IArchiveEntry archiveEntry)
        {
            using var compressedStream = archiveEntry.OpenEntryStream();
            var memoryStream = new MemoryStream();

            compressedStream.CopyTo(memoryStream);
            memoryStream.Seek(0, SeekOrigin.Begin);

            return(memoryStream);
        }
예제 #17
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        private void ProcessEntry(IArchiveEntry entry, IList <Stream> imageStreams, ZipArchive output, SimpleEncoder encoder)
        {
            using (var stream = entry.OpenEntryStream())
            {
                var ms = new MemoryStream();
                imageStreams.Add(ms);

                if (entry.Key.StartsWith("__MACOSX"))
                {
                    return;
                }

                if (!entry.Key.EndsWith(".jpg") && !entry.Key.EndsWith(".png"))
                {
                    stream.CopyTo(ms);
                    output.AddEntry(entry.Key, ms);
                    return;
                }

                Bitmap bits;

                try
                {
                    bits = new Bitmap(stream);
                }
                catch (Exception e)
                {
                    Logger.LogError("Error parsing bitmap: " + entry.Key);
                    Logger.LogDebug(e, LogLevel.Error);
                    return;
                }

                if (bits.PixelFormat != System.Drawing.Imaging.PixelFormat.Format24bppRgb)
                {
                    var newBits = ChangePixelFormat(bits);
                    bits.Dispose();
                    bits = newBits;
                }

                try
                {
                    encoder.Encode(bits, ms, Quality);
                    output.AddEntry(entry.Key + ".webp", ms);
                }
                catch (Exception e)
                {
                    Logger.LogError("Error encoding entry: " + entry.Key);
                    Logger.LogDebug(e, LogLevel.Error);
                }
                finally
                {
                    bits.Dispose();
                }
            }
        }
예제 #18
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        /// <summary>
        /// Opens an file for reading
        /// </summary>
        /// <param name="file">The name of the file to open</param>
        /// <returns>A stream with the file contents</returns>
        public Stream OpenRead(string file)
        {
            if (m_isWriting)
            {
                throw new InvalidOperationException("Cannot read while writing");
            }

            IArchiveEntry ze = GetEntry(file);

            return(ze == null ? null : ze.OpenEntryStream());
        }
예제 #19
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        private Bitmap loadAndResizeBitmap(IArchiveEntry fileEntry)
        {
            Bitmap bitmap = (Bitmap)Bitmap.FromStream(fileEntry.OpenEntryStream());

            if (bitmap.Height > System.Windows.SystemParameters.PrimaryScreenHeight)
            {
                System.Drawing.Size oldSize = new System.Drawing.Size(bitmap.Width, bitmap.Height);
                System.Drawing.Size newSize = getNewImageSize(oldSize);
                Bitmap newImage             = ResizeImage(bitmap, newSize);
                bitmap = newImage;
            }
            return(bitmap);
        }
예제 #20
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        /// <summary>
        /// Create file provider that re-opens archive.
        /// </summary>
        /// <param name="archiveOpener"></param>
        /// <param name="entryName">Entry name of the whole package</param>
        /// <param name="hintPath">(optional) archive name "folder/document.txt.gz", entry name is extracted by removing the folder (separator '/') and last extension.</param>
        /// <param name="dateTime">Date time for folder entries</param>
        /// <exception cref="IOException">On I/O error</exception>
        /// <exception cref="PackageException.LoadError">on file format error</exception>
        public GZipFileProvider(Func <GZipArchive> archiveOpener, string entryName, string hintPath = null, DateTimeOffset?dateTime = default) : base(hintPath, dateTime)
        {
            if (archiveOpener == null)
            {
                throw new ArgumentNullException(nameof(archiveOpener));
            }

            // Place holder for the uncompressed length value
            long[] length = new long[1];
            // Convert archiveOpener to streamOpener
            Stream streamOpener()
            {
                IArchive archive = archiveOpener();

                try
                {
                    // Search entry
                    IArchiveEntry entry = archive.Entries.First();
                    // Not found
                    if (entry == null)
                    {
                        archive.Dispose(); return(null);
                    }
                    // Open stream
                    Stream s = entry.OpenEntryStream();
                    // Attach the disposing of the archive to the stream.
                    return(new GZipStreamFix(s, archive, null, length[0]));
                }
                catch (Exception) when(CloseDisposable(archive))
                {
                    // Never goes here
                    return(null);
                }
            }

            // Create stream provider
            this.streamProvider = new StreamOpener(streamOpener, entryName, belatedDisposeList);
            // Open once to read entries.
            using (var archive = archiveOpener())
            {
                // Read first entry
                IArchiveEntry entry = archive.Entries.First();
                // Get length
                using (var s = entry.OpenEntryStream())
                    length[0] = CalculateLength(s);
                // File entry
                var fileEntry = new Lexical.FileProvider.Common.ArchiveFileEntry(streamProvider, entryName, entryName, length[0], dateTime ?? entry.LastModifiedTime ?? DateTime.MinValue);
                // Put it in directory
                this.root.files[entryName] = fileEntry;
            }
        }
예제 #21
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        /// <summary>
        /// Create file provider that reads one entry from <paramref name="archive"/>.
        /// </summary>
        /// <param name="archive"></param>
        /// <param name="entryName">Entry name of the whole package</param>
        /// <param name="hintPath">(optional) archive name "folder/document.txt.gz", entry name is extracted by removing the folder (separator '/') and last extension.</param>
        /// <param name="dateTime">(optional) Date time for folder entries</param>
        public GZipFileProvider(GZipArchive archive, string entryName, string hintPath = null, DateTimeOffset?dateTime = null) : base(hintPath, dateTime)
        {
            this.streamProvider = new Lexical.FileProvider.SharpCompress.Internal.ArchiveStreamProvider(archive ?? throw new ArgumentNullException(nameof(archive)), belatedDisposeList);
            IArchiveEntry entry = archive.Entries.First();

            long length;

            using (Stream s = entry.OpenEntryStream())
                length = CalculateLength(s);

            var fileEntry = new Lexical.FileProvider.Common.ArchiveFileEntry(streamProvider, entry.Key, entryName, length, dateTime ?? entry.LastModifiedTime ?? DateTime.MinValue);

            this.root.files[entryName] = fileEntry;
        }
예제 #22
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        public override Stream OpenStream(string path)
        {
            IArchiveEntry entory = archive.Entries.First(e => e.Key == path);

            using (var rarStream = entory.OpenEntryStream())
            {
                try
                {
                    var ms = new MemoryStream();
                    rarStream.CopyTo(ms);
                    ms.Position = 0;

                    return(ms);
                }
                catch
                {
                    return(Stream.Null);
                }
            }
        }
예제 #23
0
        private static string GetFolderPath(DirectoryInfo output, string mainEntryKey, string currentEntryKey, IArchiveEntry archiveEntry)
        {
            using Stream jsonFileCopy = CreateCopy(archiveEntry.OpenEntryStream());
            BdnResult bdnResult = Helper.ReadFromStream(jsonFileCopy);

            string userName = mainEntryKey.Split('/')[2]; // sth like Performance-Runs/nativeaot6.0/adsitnik/arm64_win10-nativeaot6.0.tar.gz
            string moniker  = GetMoniker(currentEntryKey) ?? GetMoniker(mainEntryKey);

            StringBuilder sb = new StringBuilder();

            sb.Append(bdnResult.HostEnvironmentInfo.Architecture).Append('_');
            sb.Append(Stats.GetSimplifiedOSName(bdnResult.HostEnvironmentInfo.OsVersion).Replace(" ", "")).Append('_');
            sb.Append(GetSimplifiedProcessorName(bdnResult.HostEnvironmentInfo.ProcessorName).Replace(" ", "")).Append('_');
            sb.Append(userName).Append('_');
            sb.Append(moniker); // netX-previewY

            string outputPath = Path.Combine(output.FullName, sb.ToString().ToLower());

            Directory.CreateDirectory(outputPath);
            return(outputPath);
        }
예제 #24
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        // 将压缩流还原成图片的base64数据
        public static string Read(IArchiveEntry entry)
        {
            try
            {
                if (entry.IsEncrypted)
                {
                    return(null);
                }

                using var stream = entry.OpenEntryStream();
                using var ms     = new MemoryStream();
                stream.CopyTo(ms);
                // bytes = ms.ToArray();

                return("data:image/*;base64," + Convert.ToBase64String(ms.ToArray()));
            }
            catch (Exception e)
            {
                Console.WriteLine("创建图片出现异常:");
                Console.WriteLine(e);
            }

            return(null);
        }
예제 #25
0
 static string GetString(IArchiveEntry entry)
 {
     byte[] bytes = new byte[entry.Size];
     entry.OpenEntryStream().Read(bytes, 0, bytes.Length);
     return(System.Text.Encoding.Default.GetString(bytes));
 }
예제 #26
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        private Bitmap loadAndResizeBitmap(IArchiveEntry fileEntry)
        {
            Bitmap bitmap = (Bitmap)Bitmap.FromStream(fileEntry.OpenEntryStream());

            if (bitmap.Height > System.Windows.SystemParameters.PrimaryScreenHeight)
            {
                System.Drawing.Size oldSize = new System.Drawing.Size(bitmap.Width, bitmap.Height);
                System.Drawing.Size newSize = getNewImageSize(oldSize);
                Bitmap newImage = ResizeImage(bitmap, newSize);
                bitmap = newImage;
            }
            return bitmap;
        }
예제 #27
0
 static string GetString(IArchiveEntry entry)
 {
     byte[] bytes = new byte[entry.Size];
     entry.OpenEntryStream().Read(bytes, 0, bytes.Length);
     return System.Text.Encoding.Default.GetString(bytes);
 }
        private Bitmap LoadImage(IArchiveEntry fileEntry)
        {
            Bitmap bitmap = (Bitmap)Bitmap.FromStream(fileEntry.OpenEntryStream());

            return(bitmap);
        }
예제 #29
0
		private async Task ReadCollectionFromZip(IArchiveEntry entry, ZipDirectory currentDirectory, string currentPath, Dictionary<string, IArchiveEntry> resourceEntries, Indiagram parent)
		{
			using (Stream entryStream = entry.OpenEntryStream())
			{
				XDocument xmlDocument = XDocument.Load(entryStream);

				XElement rootElement = xmlDocument.Element("indiagram");
				if (rootElement != null)
				{
					// the current element is an indiagram, just read it
					await CreateIndiagramFromXml(rootElement, false, parent, async (key, type) =>
					{
						return await Task.Run(() =>
						{
							if (resourceEntries.ContainsKey(key))
							{
								return resourceEntries[key].OpenEntryStream();
							}
							throw new IndexOutOfRangeException(string.Format("Key {0} is not available in resources", key));
						});
					});
				}
				else
				{
					// the current element is a category, read it + process its children
					rootElement = xmlDocument.Element("category");
					if (rootElement == null)
					{
						return;
					}

					Indiagram category = await CreateIndiagramFromXml(rootElement, true, parent, async (key, type) =>
					{
						return await Task.Run(() =>
						{
							if (resourceEntries.ContainsKey(key))
							{
								return resourceEntries[key].OpenEntryStream();
							}
							throw new IndexOutOfRangeException(string.Format("Key {0} is not available in resources", key));
						});
					});

					XElement indiagramsElement = rootElement.Element("indiagrams");
					if (indiagramsElement == null)
					{
						return;
					}
					foreach (XElement child in indiagramsElement.Elements("indiagram"))
					{
						// look for the entry
						string directoryName = Path.GetDirectoryName(child.Value);
						string fileName = Path.GetFileName(child.Value);

						ZipDirectory directory = GetSubZipDirectory(currentDirectory, currentPath, directoryName);

						if (directory.Files.ContainsKey(fileName))
						{
							await ReadCollectionFromZip(directory.Files[fileName], directory, directoryName, resourceEntries, category);
						}
						else
						{
							throw new IndexOutOfRangeException("file names mismatch");
						}
					}
				}
			}
		}
예제 #30
0
        public static async Task <IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = "SevenZipV2/{account}/{container}/{directory}/{filename}")] HttpRequest req,
            string account, string container, string directory, string filename, ILogger log)
        {
            //Retrieve File from storage
            var lakeClient       = SevenZip.GetDataLakeServiceClient(HttpUtility.UrlDecode(account));
            var fileSystemClient = lakeClient.GetFileSystemClient(HttpUtility.UrlDecode(container));
            DataLakeDirectoryClient directoryClient = fileSystemClient.GetDirectoryClient(HttpUtility.UrlDecode(directory));

            var DownloadFile = directoryClient.GetFileClient(HttpUtility.UrlDecode(filename));
            var ReadStream   = await DownloadFile.OpenReadAsync();



            //Begin to send first http response
            var response = req.HttpContext.Response;

            response.StatusCode  = 200;
            response.ContentType = "application/json-data-stream";
            await response.Body.WriteAsync(Encoding.UTF8.GetBytes("["));

            using (var archive = SevenZipArchive.Open(ReadStream, null))
            {
                //Retrieve uncompressed Stream
                IArchiveEntry e            = archive.Entries.FirstOrDefault();
                var           un7ZipStream = e.OpenEntryStream();
                log.LogInformation($"Stream Opened {filename}");
                XmlReaderSettings settings = new XmlReaderSettings();
                settings.Async            = true;
                settings.IgnoreWhitespace = true;

                using (XmlReader reader = XmlReader.Create(un7ZipStream, settings))
                {
                    bool keepReading = reader.Read();
                    bool firstrow    = true;
                    while (keepReading)
                    {
                        if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "row") && reader.HasAttributes)
                        {
                            dynamic exo = new ExpandoObject();
                            for (int attInd = 0; attInd < reader.AttributeCount; attInd++)
                            {
                                reader.MoveToAttribute(attInd);
                                ((IDictionary <String, Object>)exo).Add(reader.Name, reader.Value);

                                /*if(reader.Name == "Id"&&int.Parse(reader.Value)%1000==0)
                                 * {
                                 *  log.LogInformation(reader.Value);
                                 * }  */
                            }
                            await response.Body.WriteAsync(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(exo)));
                        }

                        if (reader.Read())
                        {
                            if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "row") && reader.HasAttributes)
                            {
                                if (!firstrow)
                                {
                                    await response.Body.WriteAsync(Encoding.UTF8.GetBytes(","));
                                }
                                else
                                {
                                    firstrow = false;
                                }
                            }
                        }
                        else
                        {
                            keepReading = false;
                        }
                    }
                }
            }
            await response.Body.WriteAsync(Encoding.UTF8.GetBytes("]"));

            return(new EmptyResult());
        }
예제 #31
0
 public CompressedROMFile(IArchiveEntry entry, FileInfo path)
 {
     this.entry    = entry;
     archivePath   = path;
     archiveStream = new WrappedInputStream(entry.OpenEntryStream());
 }