быстрое копирование файлов

git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@67124 954022d7-b5bf-4e40-9824-e11837661b57

DesktopEditor/common/File.h

@@ -795,10 +795,35 @@ namespace NSFile
 		static bool Copy(const std::wstring&  strSrc, const std::wstring&  strDst)
 		{
 			if (strSrc == strDst)
-				return true;
+                            return true;
+
+                        std::ifstream src;
+                        std::ofstream dst;
+
+                        int nLenBuffer = 1024 * 1024; // 10
+                        CFileBinary oFile;
+                        if (oFile.OpenFile(strSrc))
+                        {
+                            int nFileSize = (int)oFile.GetFileSize();
+                            if (nFileSize < nLenBuffer)
+                                nLenBuffer = nFileSize;
+                        }
+
+                        char* pBuffer_in = NULL;
+                        char* pBuffer_out = NULL;
+
+                        if (nLenBuffer > 0)
+                        {
+                            pBuffer_in = new char[nLenBuffer];
+                            pBuffer_out = new char[nLenBuffer];
+
+                            src.rdbuf()->pubsetbuf(pBuffer_in, nLenBuffer);
+                            dst.rdbuf()->pubsetbuf(pBuffer_out, nLenBuffer);
+                        }
+
 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(_WIN64)
-			std::wifstream  src(strSrc.c_str(), std::ios::binary);
-			std::wofstream  dst(strDst.c_str(), std::ios::binary);
+                        src.open(strSrc, std::ios::binary);
+                        dst.open(strDst, std::ios::binary);
 #else
 			BYTE* pUtf8Src = NULL;
 			LONG lLenSrc = 0;
@@ -807,21 +832,25 @@ namespace NSFile
 			LONG lLenDst = 0;
 			CUtf8Converter::GetUtf8StringFromUnicode(strDst.c_str(), strDst.length(), pUtf8Dst, lLenDst, false);
 
-			std::ifstream  src((char*)pUtf8Src, std::ios::binary);
-			std::ofstream  dst((char*)pUtf8Dst, std::ios::binary);
+                        src.open(pUtf8Src, std::ios::binary);
+                        dst.open(pUtf8Dst, std::ios::binary);
 
 			delete [] pUtf8Src;
 			delete [] pUtf8Dst;
 #endif
+
+                        bool bRet = false;
 			if (src.is_open() && dst.is_open())
 			{
 				dst << src.rdbuf();
 				src.close();
 				dst.close();
-				return true;
+
+                                bRet = true;
 			}
-			else
-				return false;
+                        RELEASEARRAYOBJECTS(pBuffer_in);
+                        RELEASEARRAYOBJECTS(pBuffer_out);
+                        return bRet;
 		}
 		static bool Remove(const std::wstring& strFileName)
 		{