| public Read ( byte buffer, int offset, int count ) : int | ||
| buffer | byte | The buffer to hold the data read from the stream. |
| offset | int | the offset within the buffer to copy the first byte read. |
| count | int | the number of bytes to read. |
| Результат | int | |
public int Decompress(PointCloudTile tile, byte[] compressedBuffer, int count, byte[] uncompressedBuffer)
{
MemoryStream compressedStream = new MemoryStream(compressedBuffer, 0, count, false);
int uncompressedBytes = 0;
using (ZipInputStream zipStream = new ZipInputStream(compressedStream, true))
{
zipStream.GetNextEntry();
uncompressedBytes = zipStream.Read(uncompressedBuffer, 0, uncompressedBuffer.Length);
}
return uncompressedBytes;
}
// Methods
public void Dissect()
{
byte[] buffer = new byte[0x800];
using (ZipInputStream stream2 = new ZipInputStream(this.MS))
{
for (ZipEntry entry = stream2.GetNextEntry(); entry != null; entry = stream2.GetNextEntry())
{
if (!entry.IsDirectory)
{
ZipFileEntry item = new ZipFileEntry
{
Name = entry.FileName
};
MemoryStream stream = new MemoryStream();
if (Strings.Len(this.Pass) > 0)
{
stream2.Password = this.Pass;
}
if (entry.UncompressedSize > 0L)
{
for (int i = stream2.Read(buffer, 0, buffer.Length); i > 0; i = stream2.Read(buffer, 0, buffer.Length))
{
stream.Write(buffer, 0, i);
}
}
item.contents = stream.ToArray();
this.Files.Add(item, null, null, null);
}
else
{
ZipFileEntry entry3 = new ZipFileEntry
{
IsDir = true,
Name = entry.FileName
};
}
}
}
}
public void ReadCompressedZip(string filepath)
{
while (BackgroundWriting) ;
ZipInputStream instream = new ZipInputStream(filepath);
BinaryFormatter formatter = new BinaryFormatter();
instream.GetNextEntry();
searchDump = new TCPTCPGecko.Dump((uint)formatter.Deserialize(instream), (uint)formatter.Deserialize(instream));
instream.Read(searchDump.mem, 0, (int)(searchDump.EndAddress - searchDump.StartAddress));
instream.GetNextEntry();
resultsList = (System.Collections.Generic.List<UInt32>)formatter.Deserialize(instream);
instream.Close();
instream.Dispose();
}
private static byte[] ExtractLogoBin(string zipfilename)
{
byte[] buffer = null;
using (var input = new ZipInputStream(zipfilename))
{
ZipEntry e;
while ((e = input.GetNextEntry()) != null)
{
if (e.IsDirectory) continue;
if (Path.GetFileName(e.FileName) != "logo.bin") continue;
buffer = new byte[e.UncompressedSize];
input.Read(buffer, 0, buffer.Length);
break;
}
}
return buffer;
}
/// <summary>
/// Unzips a stream and calls an action for each unzipped file.
/// </summary>
/// <param name="zip">The zip byte array.</param>
/// <param name="unzipAction">The action to perform with each unzipped file.</param>
public static void Unzip(Stream zip, Action<Path, byte[]> unzipAction)
{
using (var zipStream = new ZipInputStream(zip)) {
ZipEntry theEntry;
while ((theEntry = zipStream.GetNextEntry()) != null) {
if (!theEntry.IsDirectory && theEntry.FileName != "") {
using (var streamWriter = new MemoryStream()) {
var data = new byte[2048];
while (true) {
var size = zipStream.Read(data, 0, data.Length);
if (size > 0)
streamWriter.Write(data, 0, size);
else
break;
}
streamWriter.Close();
unzipAction(new Path(theEntry.FileName), streamWriter.ToArray());
}
}
}
}
}
public Dump LoadSearchDump(string filepath)
{
// spin while background writing to prevent us from reading a file that has yet to be written
while (BackgroundWriting) ;
ZipInputStream instream = new ZipInputStream(filepath);
BinaryFormatter formatter = new BinaryFormatter();
// First entry is the dump
instream.GetNextEntry();
Dump searchDump = new Dump((uint)formatter.Deserialize(instream), (uint)formatter.Deserialize(instream));
instream.Read(searchDump.mem, 0, (int)(searchDump.EndAddress - searchDump.StartAddress));
instream.Close();
instream.Dispose();
return searchDump;
}
public void UnpackFiles(Stream strm, Callbacks callbacks)
{
ZipEntry ze;
ZipInputStream zstrm = new ZipInputStream(strm, true);
List<FileEntry> results = new List<FileEntry>();
SetupZIPParams();
while (true)
{
ze = zstrm.GetNextEntry();
if (ze == null)
break;
if (ze.IsDirectory)
continue;
byte[] data = new byte[ze.UncompressedSize];
zstrm.Read(data, 0, (int)ze.UncompressedSize);
callbacks.WriteData(ze.FileName, data);
};
}
public void _Internal_Streams_WinZip_Zip(int fodderOption, string password, string label)
{
if (!WinZipIsPresent)
throw new Exception("skipping test [_Internal_Streams_WinZip_Zip] : winzip is not present");
int[] fileCounts = { 1, 2, _rnd.Next(8) + 6, _rnd.Next(18) + 16, _rnd.Next(48) + 56 };
for (int m = 0; m < fileCounts.Length; m++)
{
string dirToZip = String.Format("trial{0:D2}", m);
if (!Directory.Exists(dirToZip)) Directory.CreateDirectory(dirToZip);
int fileCount = fileCounts[m];
string zipFileToCreate = Path.Combine(TopLevelDir,
String.Format("Streams_Winzip_Zip.{0}.{1}.{2}.zip", fodderOption, label, m));
string[] files = null;
if (fodderOption == 0)
{
// zero length files
files = new string[fileCount];
for (int i = 0; i < fileCount; i++)
files[i] = CreateZeroLengthFile(i, dirToZip);
}
else if (fodderOption == 1)
files = TestUtilities.GenerateFilesFlat(dirToZip, fileCount, 100, 72000);
else
{
// mixed
files = new string[fileCount];
for (int i = 0; i < fileCount; i++)
{
if (_rnd.Next(3) == 0)
files[i] = CreateZeroLengthFile(i, dirToZip);
else
{
files[i] = Path.Combine(dirToZip, String.Format("nonzero{0:D4}.txt", i));
TestUtilities.CreateAndFillFileText(files[i], _rnd.Next(60000) + 100);
}
}
}
// Create the zip archive via WinZip.exe
string pwdOption = String.IsNullOrEmpty(password) ? "" : "-s" + password;
string formatString = "-a -p {0} -yx \"{1}\" \"{2}\\*.*\"";
string wzzipOut = this.Exec(wzzip, String.Format(formatString, pwdOption, zipFileToCreate, dirToZip));
// Verify the number of files in the zip
Assert.AreEqual<int>(TestUtilities.CountEntries(zipFileToCreate), files.Length,
"Incorrect number of entries in the zip file.");
// extract the files
string extractDir = String.Format("extract{0:D2}", m);
Directory.CreateDirectory(extractDir);
byte[] buffer = new byte[2048];
int n;
using (var raw = File.OpenRead(zipFileToCreate))
{
using (var input = new ZipInputStream(raw))
{
input.Password = password;
ZipEntry e;
while ((e = input.GetNextEntry()) != null)
{
TestContext.WriteLine("entry: {0}", e.FileName);
string outputPath = Path.Combine(extractDir, e.FileName);
if (e.IsDirectory)
{
// create the directory
Directory.CreateDirectory(outputPath);
continue;
}
// create the file
using (var output = File.Create(outputPath))
{
while ((n = input.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, n);
}
}
// we don't set the timestamps or attributes
// on the file/directory.
}
}
}
string[] filesUnzipped = Directory.GetFiles(extractDir);
// Verify the number of files extracted
Assert.AreEqual<int>(files.Length, filesUnzipped.Length,
"Incorrect number of files extracted.");
}
}
public void _Internal_Streams_7z_Zip(int flavor, string label)
{
if (!SevenZipIsPresent)
{
TestContext.WriteLine("skipping test [_Internal_Streams_7z_Zip] : SevenZip is not present");
return;
}
int[] fileCounts = { 1, 2, _rnd.Next(8) + 6, _rnd.Next(18) + 16, _rnd.Next(48) + 56 };
for (int m = 0; m < fileCounts.Length; m++)
{
string dirToZip = String.Format("trial{0:D2}", m);
if (!Directory.Exists(dirToZip)) Directory.CreateDirectory(dirToZip);
int fileCount = fileCounts[m];
string zipFileToCreate = Path.Combine(TopLevelDir,
String.Format("Streams_7z_Zip.{0}.{1}.{2}.zip", flavor, label, m));
string[] files = null;
if (flavor == 0)
{
// zero length files
files = new string[fileCount];
for (int i = 0; i < fileCount; i++)
files[i] = CreateZeroLengthFile(i, dirToZip);
}
else if (flavor == 1)
files = TestUtilities.GenerateFilesFlat(dirToZip, fileCount, 100, 72000);
else
{
// mixed
files = new string[fileCount];
for (int i = 0; i < fileCount; i++)
{
if (_rnd.Next(3) == 0)
files[i] = CreateZeroLengthFile(i, dirToZip);
else
{
files[i] = Path.Combine(dirToZip, String.Format("nonzero{0:D4}.txt", i));
TestUtilities.CreateAndFillFileText(files[i], _rnd.Next(60000) + 100);
}
}
}
// Create the zip archive via 7z.exe
this.Exec(sevenZip, String.Format("a \"{0}\" \"{1}\"", zipFileToCreate, dirToZip));
// Verify the number of files in the zip
Assert.AreEqual<int>(TestUtilities.CountEntries(zipFileToCreate), files.Length,
"Incorrect number of entries in the zip file.");
// extract the files
string extractDir = String.Format("extract{0:D2}", m);
byte[] buffer = new byte[2048];
int n;
using (var raw = File.OpenRead(zipFileToCreate))
{
using (var input = new ZipInputStream(raw))
{
ZipEntry e;
while ((e = input.GetNextEntry()) != null)
{
TestContext.WriteLine("entry: {0}", e.FileName);
string outputPath = Path.Combine(extractDir, e.FileName);
if (e.IsDirectory)
{
// create the directory
Directory.CreateDirectory(outputPath);
}
else
{
// create the file
using (var output = File.Create(outputPath))
{
while ((n = input.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, n);
}
}
}
// we don't set the timestamps or attributes
// on the file/directory.
}
}
}
// winzip does not include the base path in the filename;
// 7zip does.
string[] filesUnzipped = Directory.GetFiles(Path.Combine(extractDir, dirToZip));
// Verify the number of files extracted
Assert.AreEqual<int>(files.Length, filesUnzipped.Length,
"Incorrect number of files extracted.");
}
}
/// <summary>
/// Downloads the data for the specified show and returns the path to the file.
/// </summary>
/// <param name="show">
/// The show to download data for.
/// </param>
/// <returns>
/// The path to the downloaded file.
/// </returns>
public static string DownloadShowEpisodes(TvShow show)
{
for (int i = 0; i < RetryCount; i++)
{
try
{
var webClient = new WebClient();
string showAddress = Mirror + ApiLoc + "/series/" + show.TvdbId + "/all/en.zip";
string savePath = Tvdb.CacheDirectory + show.TvdbId + ".xml";
if (!Directory.Exists(Tvdb.CacheDirectory))
{
Directory.CreateDirectory(Tvdb.CacheDirectory);
}
if (File.Exists(savePath))
{
File.Delete(savePath);
}
webClient.DownloadFile(showAddress, savePath + ".zip");
// Download the zip file to a zip stream
using (var stream = new ZipInputStream(savePath + ".zip"))
{
ZipEntry e;
var buffer = new byte[2048];
// Loop through all the entries looking for en.xml.
while ((e = stream.GetNextEntry()) != null)
{
if (!e.FileName.Equals("en.xml"))
{
while (stream.Read(buffer, 0, buffer.Length) > 0)
{
}
}
// Write the file to savePath.
using (var output = File.Open(savePath, FileMode.Create, FileAccess.ReadWrite))
{
int n;
while ((n = stream.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, n);
}
}
break;
}
}
return savePath;
}
catch (WebException)
{
// Suppress any exceptions so the download can be retried.
}
}
throw new Exception("Unable to download show data for " + show.Name);
}
internal ZipPackage(Stream stream)
{
bool hasContentTypeXml = false;
if (stream == null || stream.Length == 0)
{
AddNew();
}
else
{
var rels = new Dictionary<string, string>();
stream.Seek(0, SeekOrigin.Begin);
using (ZipInputStream zip = new ZipInputStream(stream))
{
var e = zip.GetNextEntry();
while (e != null)
{
if (e.UncompressedSize > 0)
{
var b = new byte[e.UncompressedSize];
var size = zip.Read(b, 0, (int)e.UncompressedSize);
if (e.FileName.Equals("[content_types].xml", StringComparison.InvariantCultureIgnoreCase))
{
AddContentTypes(Encoding.UTF8.GetString(b));
hasContentTypeXml = true;
}
else if (e.FileName.Equals("_rels/.rels", StringComparison.InvariantCultureIgnoreCase))
{
ReadRelation(Encoding.UTF8.GetString(b), "");
}
else
{
if (e.FileName.EndsWith(".rels", StringComparison.InvariantCultureIgnoreCase))
{
rels.Add(GetUriKey(e.FileName), Encoding.UTF8.GetString(b));
}
else
{
var part = new ZipPackagePart(this, e);
part.Stream = new MemoryStream();
part.Stream.Write(b, 0, b.Length);
Parts.Add(GetUriKey(e.FileName), part);
}
}
}
else
{
}
e = zip.GetNextEntry();
}
foreach (var p in Parts)
{
string name = Path.GetFileName(p.Key);
string extension = Path.GetExtension(p.Key);
string relFile = string.Format("{0}_rels/{1}.rels", p.Key.Substring(0, p.Key.Length - name.Length), name);
if (rels.ContainsKey(relFile))
{
p.Value.ReadRelation(rels[relFile], p.Value.Uri.OriginalString);
}
if (_contentTypes.ContainsKey(p.Key))
{
p.Value.ContentType = _contentTypes[p.Key].Name;
}
else if (extension.Length > 1 && _contentTypes.ContainsKey(extension.Substring(1)))
{
p.Value.ContentType = _contentTypes[extension.Substring(1)].Name;
}
}
if (!hasContentTypeXml)
{
throw (new InvalidDataException("The file is not an valid Package file. If the file is encrypted, please supply the password in the constructor."));
}
if (!hasContentTypeXml)
{
throw (new InvalidDataException("The file is not an valid Package file. If the file is encrypted, please supply the password in the constructor."));
}
zip.Close();
}
}
}