本文整理汇总了C#中System.IO.MemoryStream.CopyToStream方法的典型用法代码示例。如果您正苦于以下问题：C# MemoryStream.CopyToStream方法的具体用法？C# MemoryStream.CopyToStream怎么用？C# MemoryStream.CopyToStream使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.MemoryStream的用法示例。
在下文中一共展示了MemoryStream.CopyToStream方法的6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: Copy_stream_with_undefined_length
public void Copy_stream_with_undefined_length()
{
var bytes = GetBytes(1000);
var source = new MemoryStream(bytes);
var target = new MemoryStream();
var count = source.CopyToStream(target, -1, new Result<long>()).Wait();
Assert.AreEqual(bytes.LongLength, count);
Assert.AreEqual(bytes, target.ToArray());
}示例2: Copy_memorized_stream_chunk
public void Copy_memorized_stream_chunk()
{
var source = new MemoryStream();
var writer = new StreamWriter(source) { AutoFlush = true };
writer.Write("abcdefghijklmnop");
source.Seek(0, SeekOrigin.Begin);
var target = new MemoryStream();
Assert.AreEqual(5, source.CopyToStream(target, 5, new Result<long>()).Wait());
Assert.AreEqual(5, target.Length);
Assert.AreEqual(5, source.Position);
}示例3: Write
public void Write()
{
using (MemoryStream headerBuff = new MemoryStream(32768))
using (MemoryStream textBuff = new MemoryStream(32768))
{
ArchiveListingBlockInfo[] blocksInfo;
ArchiveListingEntryInfoV2[] entriesInfoV2;
ArchiveListingTextWriterV2 textWriter = new ArchiveListingTextWriterV2(textBuff);
textWriter.Write(_listing, out blocksInfo, out entriesInfoV2);
for (int i = 0; i < entriesInfoV2.Length; i++)
{
ArchiveListingEntryInfoV2 info = entriesInfoV2[i];
ArchiveEntry entry = _listing[i];
info.UnknownNumber = entry.UnknownNumber;
info.UnknownValue = entry.UnknownValue;
info.UnknownData = entry.UnknownData;
}
byte[] buff = new byte[8192];
int blocksSize = (int)textBuff.Position;
textBuff.Position = 0;
ArchiveListingHeaderV2 header = (ArchiveListingHeaderV2)_listing.Header;
header.EntriesCount = entriesInfoV2.Length;
header.RawBlockOffset = entriesInfoV2.Length * 8 + 12;
header.RawInfoOffset = header.RawBlockOffset + blocksInfo.Length * 12;
headerBuff.WriteContent(header);
foreach (ArchiveListingEntryInfoV2 entry in entriesInfoV2)
headerBuff.WriteContent(entry);
foreach (ArchiveListingBlockInfo block in blocksInfo)
headerBuff.WriteStruct(block);
int hederSize = (int)headerBuff.Length;
headerBuff.Position = 0;
if (header.IsEncrypted)
{
RecreateEncryptedListing(headerBuff, hederSize, textBuff, blocksSize, buff);
}
else
{
using (Stream output = _accessor.RecreateListing(hederSize + blocksSize))
{
headerBuff.CopyToStream(output, hederSize, buff);
textBuff.CopyToStream(output, blocksSize, buff);
}
}
}
}示例4: Write
public void Write()
{
using (MemoryStream headerBuff = new MemoryStream(32768))
using (MemoryStream textBuff = new MemoryStream(32768))
{
ArchiveListingBlockInfo[] blocksInfo;
ArchiveListingEntryInfoV1[] entriesInfoV1;
ArchiveListingTextWriter textWriter = new ArchiveListingTextWriter(textBuff);
textWriter.Write(_listing, out blocksInfo, out entriesInfoV1);
for (int i = 0; i < entriesInfoV1.Length; i++)
{
entriesInfoV1[i].UnknownNumber = _listing[i].UnknownNumber;
entriesInfoV1[i].UnknownValue = _listing[i].UnknownValue;
}
byte[] buff = new byte[8192];
int blocksSize = (int)textBuff.Position;
textBuff.Position = 0;
ArchiveListingHeaderV1 header = new ArchiveListingHeaderV1
{
EntriesCount = entriesInfoV1.Length,
BlockOffset = entriesInfoV1.Length * 8 + 12
};
header.InfoOffset = header.BlockOffset + blocksInfo.Length * 12;
headerBuff.WriteStruct(header);
foreach (ArchiveListingEntryInfoV1 entry in entriesInfoV1)
headerBuff.WriteStruct(entry);
foreach (ArchiveListingBlockInfo block in blocksInfo)
headerBuff.WriteStruct(block);
int hederSize = (int)headerBuff.Length;
headerBuff.Position = 0;
using (Stream output = _accessor.RecreateListing(hederSize + blocksSize))
{
headerBuff.CopyToStream(output, hederSize, buff);
textBuff.CopyToStream(output, blocksSize, buff);
}
}
}示例5: RecreateEncryptedListing
private void RecreateEncryptedListing(MemoryStream headerBuff, int hederSize, MemoryStream textBuff, int blocksSize, byte[] buff)
{
using (TempFileProvider tmpProvider = new TempFileProvider("filelist", ".win32.bin"))
{
using (Stream output = tmpProvider.Create())
{
headerBuff.CopyToStream(output, hederSize, buff);
textBuff.CopyToStream(output, blocksSize, buff);
}
Process encrypter = new Process
{
StartInfo = new ProcessStartInfo()
{
FileName = @"Resources\Executable\ffxiiicrypt.exe",
Arguments = "-e \"" + tmpProvider.FilePath + "\" 2",
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true
}
};
encrypter.Start();
Task<string> erroMessage = encrypter.StandardError.ReadToEndAsync();
Task<string> outputMessage = encrypter.StandardOutput.ReadToEndAsync();
encrypter.WaitForExit();
if (encrypter.ExitCode != 0)
{
StringBuilder sb = new StringBuilder("Decryption error! Code: ");
sb.AppendLine(encrypter.ExitCode.ToString());
sb.AppendLine("Error: ");
sb.AppendLine(erroMessage.Result);
sb.AppendLine("Output: ");
sb.AppendLine(outputMessage.Result);
throw new InvalidDataException(sb.ToString());
}
using (Stream input = tmpProvider.OpenRead())
using (Stream output = _accessor.RecreateListing((Int32)input.Length))
input.CopyToStream(output, (Int32)input.Length, buff);
}
}示例6: OnWritingCompleted
public void OnWritingCompleted(ArchiveEntry entry, MemoryStream ms, bool? compression)
{
ms.Position = 0;
int compressedSize = 0;
int uncompressedSize = (int)ms.Length;
byte[] copyBuff = new byte[Math.Min(uncompressedSize, 32 * 1024)];
try
{
bool compress = uncompressedSize > 256 && (compression ?? entry.IsCompressed);
if (compress)
{
using (SafeUnmanagedArray buff = new SafeUnmanagedArray(uncompressedSize + 256))
using (UnmanagedMemoryStream buffStream = buff.OpenStream(FileAccess.ReadWrite))
{
compressedSize = ZLibHelper.Compress(ms, buffStream, uncompressedSize);
if (uncompressedSize - compressedSize > 256)
{
using (Stream output = OpenOrAppendBinary(entry, compressedSize))
{
buffStream.Position = 0;
buffStream.CopyToStream(output, compressedSize, copyBuff);
}
return;
}
}
}
ms.Position = 0;
compressedSize = uncompressedSize;
using (Stream output = OpenOrAppendBinary(entry, uncompressedSize))
ms.CopyToStream(output, uncompressedSize, copyBuff);
}
finally
{
entry.Size = compressedSize;
entry.UncompressedSize = uncompressedSize;
}
}