private byte[] Decompress(byte[] combinedData)
{
using var compressedData = new MemoryStream(combinedData);
using var uncompressedData = new MemoryStream();
BZip2.Decompress(compressedData, uncompressedData, true);
return(uncompressedData.ToArray());
}
public void CompressTest1()
{
for (int i = 0; i < 1000; i++)
{
byte[] buffer = new byte[1000];
var rnd = new Random();
rnd.NextBytes(buffer);
var deflated = BZip2.Compress(buffer);
var inflated = BZip2.Decompress(deflated);
Assert.AreEqual(buffer.Length, inflated.Length);
//for (var i = 0; i < buffer.Length; i++)
//{
// Assert.AreEqual(buffer[i], inflated[i]);
//}
if (i % 100 == 0)
{
Console.WriteLine(MemInfo.GetCurProcessMem());
}
}
}
//使用BZIP解压<--单个-->文件的方法
public static bool UnBzipFile(string zipfilename, string unzipfilename)
{
bool blResult;//表示解压是否成功的返回结果
//为压缩文件创建文件流实例，作为解压方法的输入流参数
using (FileStream zipFile = File.OpenRead(zipfilename))
{
//为目标文件创建文件流实例，作为解压方法的输出流参数
using (FileStream destFile = File.Open(unzipfilename, FileMode.Create))
{
try
{
BZip2.Decompress(zipFile, destFile, true);//解压文件
blResult = true;
}
catch (Exception ee)
{
Console.WriteLine(ee.Message);
blResult = false;
}
destFile.Close(); //关闭目标文件流
zipFile.Close(); //关闭压缩文件流
return(blResult);
}
}
}
/// <summary>
/// Unpacks a plugin package.
/// </summary>
/// <param name="path">The path to the package</param>
/// <returns>The path to the unpacked DLL file of the plugin</returns>
private static string Unpack(string path)
{
try
{
string suffix = Path.GetRandomFileName();
suffix = "_" + suffix.Replace(".", "");
string bz2File = path;
string tarFile = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path) + ".tar");
string dest = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path) + suffix);
U.L(LogLevel.Debug, "PLUGIN", "Decompressing " + path);
BZip2.Decompress(File.OpenRead(bz2File), File.Create(tarFile), true);
Stream inStream = File.OpenRead(tarFile);
TarArchive archive = TarArchive.CreateInputTarArchive(inStream, TarBuffer.DefaultBlockFactor);
Directory.CreateDirectory(dest);
archive.ExtractContents(dest);
archive.Close();
inStream.Close();
File.Delete(tarFile);
return(Path.Combine(dest, Path.GetFileNameWithoutExtension(path) + ".dll"));
}
catch (Exception e)
{
U.L(LogLevel.Error, "PLUGIN", "Could not unpack plugin package: " + e.Message);
return(null);
}
}
public static int Main(string[] args)
{
if (args.Length == 0)
{
ShowHelp();
return(1);
}
var parser = new ArgumentParser(args);
switch (parser.Command)
{
case Command.Help:
ShowHelp();
break;
case Command.Compress:
Console.WriteLine("Compressing {0} to {1} at level {2}", parser.Source, parser.Target, parser.Level);
BZip2.Compress(File.OpenRead(parser.Source), File.Create(parser.Target), true, parser.Level);
break;
case Command.Decompress:
Console.WriteLine("Decompressing {0} to {1}", parser.Source, parser.Target);
BZip2.Decompress(File.OpenRead(parser.Source), File.Create(parser.Target), true);
break;
}
return(0);
}
public static void LoadPackages(string cydiaRepos)
{
WebClient webClient = new WebClient();
try
{
webClient.DownloadFile(string.Concat(cydiaRepos, "/Packages.bz2"), "Packages.bz2");
FileStream fileStream = (new FileInfo("Packages.bz2")).OpenRead();
using (fileStream)
{
FileStream fileStream1 = File.Create("Packages");
using (fileStream1)
{
BZip2.Decompress(fileStream, fileStream1, true);
}
}
}
catch (Exception exception1)
{
ProjectData.SetProjectError(exception1);
try
{
webClient.DownloadFile(string.Concat(cydiaRepos, "/Packages"), "Packages");
}
catch (Exception exception)
{
ProjectData.SetProjectError(exception);
Interaction.MsgBox("Invalid cydia", MsgBoxStyle.OkOnly, null);
ProjectData.ClearProjectError();
}
ProjectData.ClearProjectError();
}
}
public void CompressTest()
{
for (int i = 0; i < 1000; i++)
{
byte[] buf = new byte[10000];
var rnd = new Random();
rnd.NextBytes(buf);
var input_stream = new MemoryStream(buf);
var output_stream = new MemoryStream();
BZip2.Compress(input_stream, output_stream, true, 9);
input_stream = new MemoryStream(output_stream.ToArray());
var decompressed_stream = new MemoryStream();
BZip2.Decompress(input_stream, decompressed_stream, true);
var decompressed_bytes = decompressed_stream.ToArray();
Assert.AreEqual(buf.Length, decompressed_bytes.Length);
//for (int i = 0; i < buf.Length; i++)
//{
// Assert.AreEqual(buf[i], decompressed_bytes[i]);
//}
Thread.Sleep(1);
Console.WriteLine(MemInfo.GetCurProcessMem());
}
}
public GeoKDBushTests()
{
string geoDataDir = Directory.GetCurrentDirectory() + "\\Data";
string jsonCities = geoDataDir + "\\cities.json";
string bz2Cities = geoDataDir + "\\cities.bz2";
if (!File.Exists(jsonCities))
{
if (!File.Exists(bz2Cities))
{
throw new InvalidOperationException("No test data found, either as zip or json.");
}
BZip2.Decompress(File.OpenRead(bz2Cities), File.Create(jsonCities), true);
}
using (var file = File.OpenText(jsonCities))
{
var serializer = new JsonSerializer();
cities = (List <City>)serializer.Deserialize(file, typeof(List <City>));
}
index = new KDBush <City>(cities.ToArray(), p => p.Lon, p => p.Lat, nodeSize: 10);
geoKdBush = new GeoKDBush <City>();
}
public CacheArchive(JagexBuffer buffer)
{
var decompressedSize = buffer.ReadTriByte();
var compressedSize = buffer.ReadTriByte();
if (decompressedSize != compressedSize)
{
byte[] tmp = new byte[buffer.Capacity() - 6];
buffer.ReadBytes(tmp, 0, buffer.Capacity() - 6);
byte[] compressed = ReconstructHeader(new DefaultJagexBuffer(tmp));
MemoryStream outs = new MemoryStream();
BZip2.Decompress(new MemoryStream(compressed), outs, true);
buffer = new DefaultJagexBuffer(outs.ToArray());
extractedAsWhole = true;
}
var size = buffer.ReadUShort();
InitializeFiles(size);
var position = buffer.Position() + (size * DescriptorSize);
for (var i = 0; i < size; i++)
{
fileHashes[i] = buffer.ReadInt();
unpackedSizes[i] = buffer.ReadTriByte();
packedSizes[i] = buffer.ReadTriByte();
positions[i] = position;
position += packedSizes[i];
}
this.buffer = buffer;
}
private static byte[] BZip2Decompress(Stream data, int expectedLength)
{
MemoryStream output = new MemoryStream(expectedLength);
BZip2.Decompress(data, output, true);
return(output.ToArray());
}
public IEnumerable <MessageData> Unchunk(int[]?allowedTopicIds = null)
{
using var inStream = new MemoryStream(Data !);
var stream = new MemoryStream();
if (Compression == CompressionType.Bz2)
{
BZip2.Decompress(inStream, stream, false);
}
else
{
stream = inStream;
}
stream.Position = 0;
var res = new List <MessageData>(50);
while (stream.Position < stream.Length)
{
var message = RecordsFactory.Read <MessageData>(stream, MessageData.OpCode);
if (message != null &&
(allowedTopicIds == null || allowedTopicIds.Contains(message.ConnectionId)))
{
res.Add(message);
}
}
stream.Dispose();
return(res);
}
public static async Task GetBZip2FileAsync(string url, string file)
{
var sourceFile = DependencyService.Get <ISystem>().GetLocalFilePath("temp");
File.Delete(sourceFile);
var cli = new WebClient();
await cli.DownloadFileTaskAsync(url, sourceFile);
using (FileStream fileToDecompressAsStream = File.OpenRead(sourceFile))
{
using (FileStream decompressedStream = File.Create(DependencyService.Get <ISystem>().GetLocalFilePath(file)))
{
try
{
BZip2.Decompress(fileToDecompressAsStream, decompressedStream, true);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
File.Delete(sourceFile);
}
public void Decompress(MapModel map)
{
var tempFile = Path.Combine(_tempFolder, map.DownloadableFileName);
int tries = 0;
bool success = false;
do
{
try
{
FileInfo zipFileName = new FileInfo(tempFile);
using (FileStream fileToDecompressAsStream = zipFileName.OpenRead())
{
string decompressedFileName = Path.Combine(_tempFolder, map.LocalFileName);
using (FileStream decompressedStream = File.Create(decompressedFileName))
{
BZip2.Decompress(fileToDecompressAsStream, decompressedStream, true);
success = true;
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine("Can't decompress " + map);
}
} while (tries < 5);
if (!success)
{
throw new Exception("Can't decompress " + map);
}
}
// This loads the snapshot from harddisk into memory
internal void RestoreFromFile()
{
lock (this)
{
if (isdisposed)
{
return;
}
if (!isondisk)
{
return;
}
isondisk = false;
// Read the file data
MemoryStream instream = new MemoryStream(File.ReadAllBytes(filename));
// Decompress data
MemoryStream outstream = new MemoryStream((int)instream.Length * 4);
instream.Seek(0, SeekOrigin.Begin);
BZip2.Decompress(instream, outstream);
recstream = new MemoryStream(outstream.ToArray());
// Clean up
instream.Dispose();
File.Delete(filename);
filename = null;
}
}
/// <summary>
/// 解压spk
/// <see href="https://musoucrow.github.io/2017/07/21/spk_analysis/"/>
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static byte[] Decompress(Stream stream)
{
stream.Seek(272);
stream.ReadToEnd(out byte[] content);
var parts = content.Split(HEADER);
using (var ms = new MemoryStream()) {
for (var i = 1; i < parts.Length; i++)
{
var list = parts[i].Split(MARK);
var data = HEADER.Concat(list[0]);
using (var ts = new MemoryStream(data)) {
BZip2.Decompress(ts, ms, false);
}
if (list.Length > 1)
{
for (var j = 1; j < list.Length - 1; j++)
{
ms.Write(list[j].Sub(32));
}
var last = list.Last();
var pos = last.LastIndexOf(TAIL);
if (pos > -1)
{
ms.Write(last.Sub(32, pos + 1));
}
}
}
return(ms.ToArray());
}
}
// Token: 0x06000003 RID: 3 RVA: 0x000020C0 File Offset: 0x000002C0
public static byte[] Decompress(Stream stream)
{
stream.Seek(272, SeekOrigin.Begin);
byte[] data;
StreamExtensions.ReadToEnd(stream, out data);
byte[][] array = data.Split(Spks.HEADER);
byte[] result;
using (MemoryStream memoryStream = new MemoryStream())
{
for (int i = 1; i < array.Length; i++)
{
byte[][] array2 = array[i].Split(Spks.MARK);
using (MemoryStream memoryStream2 = new MemoryStream(Arrays.Concat <byte>(Spks.HEADER, array2[0])))
{
BZip2.Decompress(memoryStream2, memoryStream, false);
}
if (array2.Length > 1)
{
for (int j = 1; j < array2.Length - 1; j++)
{
StreamExtensions.Write(memoryStream, array2[j].Sub(32));
}
byte[] array3 = array2.Last <byte[]>();
int num = array3.LastIndexof(Spks.TAIL);
num = ((num < 0) ? (num + array3.Length) : num);
StreamExtensions.Write(memoryStream, array3.Sub(32, num));
}
}
result = memoryStream.ToArray();
}
return(result);
}
public void Start()
{
MatchData = new Match();
using (var compressedStream = _matchInformation != null ? Helpers.GetStreamFromUrl(_matchInformation.roundstats.map) : replayStream)
using (var outputStream = new MemoryStream())
{
if (replayCompressed)
{
BZip2.Decompress(compressedStream, outputStream, false);
outputStream.Seek(0L, SeekOrigin.Begin);
parser = new DemoParser(outputStream);
}
else
{
parser = new DemoParser(compressedStream);
}
parser.MatchStarted += MatchStarted_Event;
parser.ParseHeader();
parser.ParseToEnd();
MatchEnded_Event();
}
}
public static int BZip2Decompress(byte[] input, int start, int length, byte[] output)
{
using var inputStream = new MemoryStream(input, start, length);
using var outputStream = new MemoryStream(output, true);
BZip2.Decompress(inputStream, outputStream, false);
return((int)outputStream.Position);
}
private static byte[] BZip2Decompress(Stream Data, int ExpectedLength)
{
MemoryStream output = new MemoryStream();
BZip2.Decompress(Data, output);
return(output.ToArray());
}
public static byte[] BZip2Decompress(byte[] input, int start, int length)
{
using var inputStream = new MemoryStream(input, start, length);
using var outputStream = new MemoryStream();
BZip2.Decompress(inputStream, outputStream, false);
return(outputStream.ToArray());
}
/// <summary>
/// Downloads a file from the specified <paramref name="url"/>,
/// storing in <paramref name="path"/>, under name <paramref name="uncompressedFileName"/>.
/// </summary>
///
/// <param name="url">The URL where the file should be downloaded from.</param>
/// <param name="path">The path where the file will be stored localy.</param>
/// <param name="uncompressedFileName">The generated name of the uncompressed file.</param>
///
/// <returns><c>true</c> if the download succeeded, <c>false</c> otherwise.</returns>
///
public static bool Download(string url, string path, out string uncompressedFileName)
{
string name = System.IO.Path.GetFileName(url);
string downloadedFileName = System.IO.Path.Combine(path, name);
if (!File.Exists(downloadedFileName))
{
Directory.CreateDirectory(path);
using (var client = new WebClient())
client.DownloadFile(url, downloadedFileName);
}
// If the file is compressed, decompress it to disk
if (downloadedFileName.EndsWith(".bz2", StringComparison.InvariantCultureIgnoreCase))
{
uncompressedFileName = downloadedFileName.Remove(downloadedFileName.Length - 4);
if (!File.Exists(uncompressedFileName))
{
using (var compressedFile = new FileStream(downloadedFileName, FileMode.Open))
using (var uncompressedFile = new FileStream(uncompressedFileName, FileMode.CreateNew))
{
BZip2.Decompress(compressedFile, uncompressedFile, false);
}
}
}
else if (downloadedFileName.EndsWith(".gz", StringComparison.InvariantCultureIgnoreCase))
{
uncompressedFileName = downloadedFileName.Remove(downloadedFileName.Length - 3);
if (!File.Exists(uncompressedFileName))
{
using (var compressedFile = new FileStream(downloadedFileName, FileMode.Open))
using (var decompressedFile = new GZipInputStream(compressedFile))
using (var uncompressedFile = new FileStream(uncompressedFileName, FileMode.CreateNew))
{
decompressedFile.CopyTo(uncompressedFile);
}
}
}
else if (downloadedFileName.EndsWith(".Z", StringComparison.InvariantCultureIgnoreCase))
{
uncompressedFileName = downloadedFileName.Remove(downloadedFileName.Length - 2);
if (!File.Exists(uncompressedFileName))
{
using (var compressedFile = new FileStream(downloadedFileName, FileMode.Open))
using (var decompressedFile = new Accord.IO.Compression.LzwInputStream(compressedFile))
using (var uncompressedFile = new FileStream(uncompressedFileName, FileMode.CreateNew))
{
decompressedFile.CopyTo(uncompressedFile);
}
}
}
else
{
uncompressedFileName = downloadedFileName;
}
return(true);
}
public byte[] GetFile(int hash)
{
for (var i = 0; i < fileHashes.Length; i++)
{
if (fileHashes[i] == hash)
{
if (!extractedAsWhole)
{
var compressed = new byte[packedSizes[i]];
Buffer.BlockCopy(buffer.Array(), positions[i], compressed, 0, compressed.Length);
compressed = ReconstructHeader(compressed);
var outs = new MemoryStream();
BZip2.Decompress(new MemoryStream(compressed), outs, true);
return(outs.ToArray());
}
var decompressed = new byte[unpackedSizes[i]];
Buffer.BlockCopy(buffer.Array(), positions[i], decompressed, 0, decompressed.Length);
return(decompressed);
}
}
throw new FileNotFoundException();
}
private async void DownloadFinished(object sender, AsyncCompletedEventArgs e)
{
FileInfo compressedFile = new FileInfo(txtMapsDir.Text + currentMap + ".bsp.bz2");
try
{
string x = e.Error.Message;
txtOutput.AppendText(Environment.NewLine + currentMap + " download failed");
}
catch (Exception)
{
if (currentCompressed)
{
FileStream compressedStream = compressedFile.OpenRead();
FileStream decompressedStream = File.Create(txtMapsDir.Text + currentMap + ".bsp");
txtOutput.AppendText(Environment.NewLine + "Extracting " + currentMap);
await Task.Run(() => BZip2.Decompress(compressedStream, decompressedStream, true));
processed++;
}
}
prgDownload.PerformStep();
if (compressedFile.Exists)
{
compressedFile.Delete();
}
Download();
}
private static byte[] BZip2Decompress(Stream data, int expectedLength)
{
using (var output = new MemoryStream(expectedLength))
{
BZip2.Decompress(data, output, false);
return(output.ToArray());
}
}
public static void DecompressBz2(string bz2, string tarball)
{
using (FileStream outStream = File.OpenWrite(tarball))
using (FileStream inStream = File.OpenRead(bz2))
{ //change to BZip2nputStream
BZip2.Decompress(inStream, outStream, outStream.CanWrite && inStream.CanRead);
}
}
/// <summary>
/// Decompresses the input stream.
/// </summary>
/// <param name="data">Stream containing compressed data.</param>
/// <param name="expectedLength">The expected length (in bytes) of the decompressed data.</param>
/// <returns>Byte array containing the decompressed data.</returns>
public static byte[] Decompress(Stream data, uint expectedLength)
{
using (var output = new MemoryStream((int)expectedLength))
{
BZip2.Decompress(data, output, false);
return(output.ToArray());
}
}
public static byte[] BZip2Decompress(byte[] input)
{
using (MemoryStream inputMemoryStream = new MemoryStream(input))
using (MemoryStream outputMemoryStream = new MemoryStream())
{
BZip2.Decompress(inputMemoryStream, outputMemoryStream, true);
return(outputMemoryStream.ToArray());
}
}
private byte[] decompressData(byte[] input)
{
using (var inStream = new MemoryStream(input)) {
using (var outStream = new MemoryStream()) {
BZip2.Decompress(inStream, outStream);
return(outStream.ToArray());
}
}
}
public static byte[] BZip2Decompress(byte[] input, int skip)
{
using (var inputStream = new MemoryStream(input, skip, input.Length - skip))
using (var outputStream = new MemoryStream())
{
BZip2.Decompress(inputStream, outputStream, false);
return(outputStream.ToArray());
}
}
/// <summary>
/// Dekomprimiert eine Datei aus einem Resourcenpaket
/// </summary>
/// <param name="input">Das komprimierte byte[]</param>
/// <returns>Gibt die dekomprimierten Dateien als Bytearray zurück</returns>
protected byte[] Decompress(byte[] input)
{
using (var inStream = new MemoryStream(input)) {
using (var outStream = new MemoryStream()) {
BZip2.Decompress(inStream, outStream);
return(outStream.ToArray());
}
}
}
