本文整理汇总了C++中nio::COutFile类的典型用法代码示例。如果您正苦于以下问题：C++ COutFile类的具体用法？C++ COutFile怎么用？C++ COutFile使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了COutFile类的11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: SaveComments
bool CFSFolder::SaveComments()
{
AString utf;
{
UString unicode;
_comments.SaveToString(unicode);
ConvertUnicodeToUTF8(unicode, utf);
}
if (!utf.IsAscii())
utf.Insert(0, "\xEF\xBB\xBF" "\r\n");
FString path = _path + kDescriptionFileName;
// We must set same attrib. COutFile::CreateAlways can fail, if file has another attrib.
DWORD attrib = FILE_ATTRIBUTE_NORMAL;
{
CFileInfo fi;
if (fi.Find(path))
attrib = fi.Attrib;
}
NIO::COutFile file;
if (!file.CreateAlways(path, attrib))
return false;
UInt32 processed;
file.Write(utf, utf.Len(), processed);
_commentsAreLoaded = false;
return true;
}示例2: CreateFile
STDMETHODIMP CFSFolder::CreateFile(const wchar_t *name, IProgress * /* progress */)
{
UString processedName;
RINOK(GetComplexName(name, processedName));
NIO::COutFile outFile;
if (!outFile.Create(processedName, false))
return ::GetLastError();
return S_OK;
}示例3: CreateFile
STDMETHODIMP CFSFolder::CreateFile(const wchar_t *name, IProgress * /* progress */)
{
FString absPath;
GetAbsPath(name, absPath);
NIO::COutFile outFile;
if (!outFile.Create(absPath, false))
return ::GetLastError();
return S_OK;
}示例4: CopyFileSpec
static HRESULT CopyFileSpec(CFSTR fromPath, CFSTR toPath, bool writeToDisk, UInt64 fileSize,
UInt32 bufferSize, UInt64 progressStart, IProgress *progress)
{
NIO::CInFile inFile;
if (!inFile.Open(fromPath))
return GetLastError();
if (fileSize == (UInt64)(Int64)-1)
{
if (!inFile.GetLength(fileSize))
::GetLastError();
}
NIO::COutFile outFile;
if (writeToDisk)
{
if (!outFile.Open(toPath, FILE_SHARE_WRITE, OPEN_EXISTING, 0))
return GetLastError();
}
else
if (!outFile.Create(toPath, true))
return GetLastError();
CPhysTempBuffer tempBuffer;
tempBuffer.buffer = MidAlloc(bufferSize);
if (!tempBuffer.buffer)
return E_OUTOFMEMORY;
for (UInt64 pos = 0; pos < fileSize;)
{
UInt64 progressCur = progressStart + pos;
RINOK(progress->SetCompleted(&progressCur));
UInt64 rem = fileSize - pos;
UInt32 curSize = (UInt32)MyMin(rem, (UInt64)bufferSize);
UInt32 processedSize;
if (!inFile.Read(tempBuffer.buffer, curSize, processedSize))
return GetLastError();
if (processedSize == 0)
break;
curSize = processedSize;
if (writeToDisk)
{
const UInt32 kMask = 0x1FF;
curSize = (curSize + kMask) & ~kMask;
if (curSize > bufferSize)
return E_FAIL;
}
if (!outFile.Write(tempBuffer.buffer, curSize, processedSize))
return GetLastError();
if (curSize != processedSize)
return E_FAIL;
pos += curSize;
}
return S_OK;
}示例5: ProcessVirt
HRESULT CThreadCombine::ProcessVirt()
{
NIO::COutFile outFile;
if (!outFile.Create(OutputPath, false))
{
HRESULT res = GetLastError();
AddErrorPath(OutputPath);
return res;
}
CProgressSync &sync = Sync;
sync.Set_NumBytesTotal(TotalSize);
CMyBuffer bufferObject;
if (!bufferObject.Allocate(kBufSize))
return E_OUTOFMEMORY;
Byte *buffer = (Byte *)(void *)bufferObject;
UInt64 pos = 0;
FOR_VECTOR (i, Names)
{
NIO::CInFile inFile;
const FString nextName = InputDirPrefix + Names[i];
if (!inFile.Open(nextName))
{
HRESULT res = GetLastError();
AddErrorPath(nextName);
return res;
}
sync.Set_FilePath(fs2us(nextName));
for (;;)
{
UInt32 processedSize;
if (!inFile.Read(buffer, kBufSize, processedSize))
{
HRESULT res = GetLastError();
AddErrorPath(nextName);
return res;
}
if (processedSize == 0)
break;
UInt32 needSize = processedSize;
if (!outFile.Write(buffer, needSize, processedSize))
{
HRESULT res = GetLastError();
AddErrorPath(OutputPath);
return res;
}
if (needSize != processedSize)
throw g_Message_FileWriteError;
pos += processedSize;
RINOK(sync.Set_NumBytesCur(pos));
}
}示例6: SaveComments
bool CFSFolder::SaveComments()
{
NIO::COutFile file;
if (!file.Create(_path + kDescriptionFileName, true))
return false;
UString unicodeString;
_comments.SaveToString(unicodeString);
AString utfString;
ConvertUnicodeToUTF8(unicodeString, utfString);
UInt32 processedSize;
if (!IsAscii(unicodeString))
{
Byte bom [] = { 0xEF, 0xBB, 0xBF, 0x0D, 0x0A };
file.Write(bom , sizeof(bom), processedSize);
}
file.Write(utfString, utfString.Length(), processedSize);
_commentsAreLoaded = false;
return true;
}示例7: MyCopyFile
HRESULT CCopyStateIO::MyCopyFile(CFSTR inPath, CFSTR outPath, DWORD attrib)
{
ErrorFileIndex = -1;
ErrorMessage.Empty();
CurrentSize = 0;
{
const size_t kBufSize = 1 << 16;
CByteArr buf(kBufSize);
NIO::CInFile inFile;
NIO::COutFile outFile;
if (!inFile.Open(inPath))
{
ErrorFileIndex = 0;
return S_OK;
}
if (!outFile.Create(outPath, true))
{
ErrorFileIndex = 1;
return S_OK;
}
for (;;)
{
UInt32 num;
if (!inFile.Read(buf, kBufSize, num))
{
ErrorFileIndex = 0;
return S_OK;
}
if (num == 0)
break;
UInt32 written = 0;
if (!outFile.Write(buf, num, written))
{
ErrorFileIndex = 1;
return S_OK;
}
if (written != num)
{
ErrorMessage = "Write error";
return S_OK;
}
CurrentSize += num;
if (Progress)
{
UInt64 completed = StartPos + CurrentSize;
RINOK(Progress->SetCompleted(&completed));
}
}
}
if (attrib != INVALID_FILE_ATTRIBUTES)
SetFileAttrib(outPath, attrib);
if (DeleteSrcFile)
{
if (!DeleteFileAlways(inPath))
{
ErrorFileIndex = 0;
return S_OK;
}
}
return S_OK;
}示例8: PreAlloc
void PreAlloc(UInt64 preAllocSize)
{
_preAllocSize = 0;
if (File.SetLength(preAllocSize))
_preAllocSize = preAllocSize;
File.SeekToBegin();
}示例9: Close
void Close()
{
SetCorrectFileLength();
Written = 0;
_preAllocSize = 0;
File.Close();
}示例10: SetCorrectFileLength
void SetCorrectFileLength()
{
if (Written < _preAllocSize)
{
File.SetLength(Written);
_preAllocSize = 0;
}
}示例11: Write
bool Write(const void *data, UInt32 size, UInt32 &processedSize) throw()
{
bool res = File.Write(data, size, processedSize);
Written += processedSize;
return res;
}