本文整理汇总了C#中GZipStream类的典型用法代码示例。如果您正苦于以下问题：C# GZipStream类的具体用法？C# GZipStream怎么用？C# GZipStream使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
GZipStream类属于命名空间，在下文中一共展示了GZipStream类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Compress
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] Compress(byte[] data)
{
using (var compressedStream = new MemoryStream())
using (var zipStream = new GZipStream(compressedStream, CompressionMode.Compress))
{
zipStream.Write(data, 0, data.Length);
zipStream.Close();
return compressedStream.ToArray();
}
}示例2: Compress_Canterbury
public void Compress_Canterbury(int innerIterations, string fileName, CompressionLevel compressLevel)
{
byte[] bytes = File.ReadAllBytes(Path.Combine("GZTestData", "Canterbury", fileName));
PerfUtils utils = new PerfUtils();
FileStream[] filestreams = new FileStream[innerIterations];
GZipStream[] gzips = new GZipStream[innerIterations];
string[] paths = new string[innerIterations];
foreach (var iteration in Benchmark.Iterations)
{
for (int i = 0; i < innerIterations; i++)
{
paths[i] = utils.GetTestFilePath();
filestreams[i] = File.Create(paths[i]);
}
using (iteration.StartMeasurement())
for (int i = 0; i < innerIterations; i++)
{
gzips[i] = new GZipStream(filestreams[i], compressLevel);
gzips[i].Write(bytes, 0, bytes.Length);
gzips[i].Flush();
gzips[i].Dispose();
filestreams[i].Dispose();
}
for (int i = 0; i < innerIterations; i++)
File.Delete(paths[i]);
}
}示例3: Assemble
static void Assemble(List<string> files, string destinationDirectory)
{
string fileOutputPath = destinationDirectory + "assembled" + "." + matches[0].Groups[3];
var fsSource = new FileStream(fileOutputPath, FileMode.Create);
fsSource.Close();
using (fsSource = new FileStream(fileOutputPath, FileMode.Append))
{
// reading the file paths of the parts from the files list
foreach (var filePart in files)
{
using (var partSource = new FileStream(filePart, FileMode.Open))
{
using (var compressionStream = new GZipStream(partSource,CompressionMode.Decompress,false))
{
// copy the bytes from part to new assembled file
Byte[] bytePart = new byte[4096];
while (true)
{
int readBytes = compressionStream.Read(bytePart, 0, bytePart.Length);
if (readBytes == 0)
{
break;
}
fsSource.Write(bytePart, 0, readBytes);
}
}
}
}
}
}示例4: Main
static void Main()
{
var sw = Stopwatch.StartNew();
using (var inputFile = File.OpenRead("ClassLibrary45.csv.gz"))
{
using (var gzip = new GZipStream(inputFile, CompressionMode.Decompress))
{
using (var sr = new StreamReader(gzip))
{
var data =
from rawLine in sr.ReadToEnd().Split('\n')
let line = rawLine.Trim()
where !string.IsNullOrEmpty(line) && !line.StartsWith("//")
let parts = line.Split(',')
select new
{
ClassName = parts.First(),
ContentId = parts.Last()
};
var classes = data.ToDictionary(c => c.ClassName, c => c.ContentId);
Console.WriteLine("{0} classes loaded.", classes.Count);
}
}
}
sw.Stop();
Console.WriteLine("Elapsed: {0} milliseconds.", sw.ElapsedMilliseconds);
}示例5: Assemble
static void Assemble(string[] files, string destinationDirectory)
{
using (var assemly = new FileStream(destinationDirectory + GetFileName() + "-Assembled" + GetExtention(), FileMode.Create))
{
for (int i = 0; i < files.Length; i++)
{
using (var source = new FileStream(filePartsNames[i] + ".gz", FileMode.Open))
{
using (var gz = new GZipStream(source, CompressionMode.Decompress))
{
byte[] buffer = new byte[4096];
while (true)
{
int readBytes = gz.Read(buffer, 0, buffer.Length);
if (readBytes == 0)
{
break;
}
assemly.Write(buffer, 0, buffer.Length);
}
}
}
}
}
}示例6: Assemble
private static void Assemble(List<string> file, string name, string destinationDir)
{
Directory.CreateDirectory(destinationDir);
FileStream write = new FileStream(destinationDir + name, FileMode.Append);
byte[] buffer = new byte[4096];
using (write)
{
for (int i = 0; i < file.Count; i++)
{
using (FileStream reader = new FileStream("../dir/" + file[i], FileMode.Open))
{
using (GZipStream gz = new GZipStream(reader, CompressionMode.Decompress, false))
{
while (true)
{
int bytes = gz.Read(buffer, 0, buffer.Length);
if (bytes == 0)
{
break;
}
write.Write(buffer, 0, bytes);
}
}
}
}
}
}示例7: Main
static void Main(string[] args)
{
if (args.Length < 1)
{
usage();
return;
}
else
{
string inputFile = args[0];
string outputFile = inputFile + ".gz";
try
{
// Get bytes from input stream
FileStream inFileStream = new FileStream(Path.Combine(Environment.CurrentDirectory, inputFile), FileMode.Open);
byte[] buffer = new byte[inFileStream.Length];
inFileStream.Read(buffer, 0, buffer.Length);
inFileStream.Close();
// Create GZip file stream and compress input bytes
FileStream outFileStream = new FileStream(Path.Combine(Environment.CurrentDirectory, outputFile), FileMode.Create);
GZipStream compressedStream = new GZipStream(outFileStream, CompressionMode.Compress);
compressedStream.Write(buffer, 0, buffer.Length);
compressedStream.Close();
outFileStream.Close();
Console.WriteLine("The file has been compressed. UR Da Bomb!!!");
}
catch (FileNotFoundException)
{
Console.WriteLine("Error: Specified file cannot be found.");
}
}
}示例8: SliceGZip
private static void SliceGZip(string sourceFile, string destinationDir, int numParts)
{
FileInfo fileInfo = new FileInfo(sourceFile);
int size = (int)fileInfo.Length;
int partSize = size / numParts;
int lastPartSize = size - (numParts - 1) * partSize;
string name = fileInfo.Name;
string[] nameExtArr = name.Split('.');
FileStream source = new FileStream(sourceFile, FileMode.Open);
source.Seek(0, SeekOrigin.Current);
for (int i = 0; i < numParts; i++)
{
int currentSize = (i == (numParts - 1)) ? lastPartSize : partSize;
byte[] buffer = new byte[currentSize];
source.Read(buffer, 0, currentSize);
string currentFilePath = destinationDir + "Part-" + i + "." + nameExtArr[1] + ".gz";
using (FileStream dest = new FileStream(currentFilePath, FileMode.Create))
using (GZipStream gzipDest = new GZipStream(dest, CompressionMode.Compress, false))
gzipDest.Write(buffer, 0, currentSize);
}
source.Close();
}示例9: CompressedFiles
/// <summary>
/// Yields an Enumerable list of paths to GZTestData files
/// </summary>
public static IEnumerable<object[]> CompressedFiles()
{
if (_compressedFiles == null)
{
_compressedFiles = new List<object[]>();
// Crypto random data
byte[] bytes = new byte[100000000];
var rand = RandomNumberGenerator.Create();
rand.GetBytes(bytes);
string filePath = PerfUtils.GetTestFilePath() + ".gz";
using (FileStream output = File.Create(filePath))
using (GZipStream zip = new GZipStream(output, CompressionMode.Compress))
zip.Write(bytes, 0, bytes.Length);
_compressedFiles.Add(new object[] { filePath });
// Create a compressed file with repeated segments
bytes = Text.Encoding.UTF8.GetBytes(PerfUtils.CreateString(100000));
filePath = PerfUtils.GetTestFilePath() + ".gz";
using (FileStream output = File.Create(filePath))
using (GZipStream zip = new GZipStream(output, CompressionMode.Compress))
for (int i = 0; i < 1000; i++)
zip.Write(bytes, 0, bytes.Length);
_compressedFiles.Add(new object[] { filePath });
}
return _compressedFiles;
}示例10: AssembleGZip
private static void AssembleGZip(List<string> files, string destinationDirectory)
{
string[] dotItems = files[0].Split('.');
string ext = dotItems[dotItems.Length - 2];
string destinationFile = destinationDirectory + "assembled." + ext;
using (FileStream dest = new FileStream(destinationFile, FileMode.Append, FileAccess.Write))
{
foreach (string inFile in files)
{
using (FileStream source = new FileStream(inFile, FileMode.Open))
{
using (GZipStream sourceGZip = new GZipStream(source, CompressionMode.Decompress, false))
{
byte[] buffer = new byte[4096];
int len;
while ((len = sourceGZip.Read(buffer, 0, buffer.Length)) > 0)
dest.Write(buffer, 0, len);
}
}
}
}
}示例11: Assemble
private static void Assemble(int parts)
{
byte[] buffer = new byte[4096];
for (int i = 1; i <= parts; i++)
{
string source = String.Format("../../{0}.gz", i);
FileStream partOfFile = new FileStream(source, FileMode.Open);
FileStream assembledFile = new FileStream("../../assembled.txt", FileMode.Append);
using (partOfFile)
{
using (assembledFile)
{
using (GZipStream decompression = new GZipStream(partOfFile, CompressionMode.Decompress))
{
while (true)
{
int bytesRead = decompression.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
break;
}
assembledFile.Write(buffer, 0, bytesRead);
}
}
}
}
}
}示例12: SplitFile
public static void SplitFile(string inputFile, int parts, string path)
{
byte[] buffer = new byte[4096];
DirectoryInfo directorySelected = new DirectoryInfo(destination);
using (Stream originalFile = File.OpenRead(sourceFile))
{
int index = 1;
while (originalFile.Position < originalFile.Length)
{
using (Stream compressedFile = File.Create(path + "\\" + index + ".gz"))
{
using (GZipStream compression = new GZipStream(compressedFile, CompressionMode.Compress))
{
int chunkBytesRead = 0;
while (chunkBytesRead < originalFile.Length / parts)
{
int bytesRead = originalFile.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
break;
}
chunkBytesRead += bytesRead;
compression.Write(buffer, 0, bytesRead);
}
}
}
index++;
}
}
}示例13: Compress
public static void Compress(string text, string outfile)
{
byte[] buffer = Encoding.UTF8.GetBytes(text);
MemoryStream ms = new MemoryStream();
using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
{
zip.Write(buffer, 0, buffer.Length);
}
ms.Position = 0;
MemoryStream outStream = new MemoryStream();
byte[] compressed = new byte[ms.Length];
ms.Read(compressed, 0, compressed.Length);
byte[] gzBuffer = new byte[compressed.Length + 4];
System.Buffer.BlockCopy(compressed, 0, gzBuffer, 4, compressed.Length);
System.Buffer.BlockCopy(BitConverter.GetBytes(buffer.Length), 0, gzBuffer, 0, 4);
string MimiBase64 = Convert.ToBase64String (gzBuffer);
File.WriteAllText (outfile, MimiBase64);
Console.WriteLine ("Base64 string saved as "+outfile+"\n");
//return Convert.ToBase64String (gzBuffer);
}示例14: Assemble
static void Assemble(List<string> files, string destinationDirectory)
{
using (FileStream combined = new FileStream(destinationDirectory + "combined files" + extensionSource, FileMode.Create))
{
for (int file = 0; file < files.Count; file++)
{
using (FileStream input = new FileStream(files[file], FileMode.Open))
{
using (GZipStream commpression = new GZipStream(input, CompressionMode.Decompress, false))
{
byte[] buffer = new byte[4096];
while (true)
{
int readBytes = commpression.Read(buffer, 0, buffer.Length);
if (readBytes == 0)
{
break;
}
combined.Write(buffer, 0, readBytes);
}
}
}
}
}
}示例15: Compress
public static byte[] Compress(byte[] b)
{
MemoryStream ms = new MemoryStream();
GZipStream zs = new GZipStream(ms, CompressionMode.Compress);
zs.Write(b, 0, b.Length);
return ms.ToArray();
}