156 lines
4.2 KiB
C++
156 lines
4.2 KiB
C++
#include <common/windows.hpp>
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#include <common/string.hpp>
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#include <common/openfile.hpp>
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//#include <uudecode/fileinfo.hpp>
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#include <stdio.h>
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class FileInfo;
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extern "C"
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{
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int FileOpen(char *pPathFileName,FileInfo *pFileInfo,int access,int share,int open,int attributes);
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int FileClose(FileInfo *pFileInfo);
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int FileRead(FileInfo *pFileInfo,BYTE *ptrByte);
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int FileReadLine(FileInfo *pFileInfo,BYTE *ptrByte);
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int FileWriteLine(FileInfo *pFileInfo,BYTE *ptrByte);
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int FileFlush(FileInfo *pFileInfo);
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}
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class FileInfo
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{
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public:
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FileInfo(void);
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~FileInfo(); // cannot be virtual
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enum{MaxLength=0x800};
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BYTE mBuffer[MaxLength];
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HANDLE mhFileHandle;
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DWORD mBufferIndex;
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DWORD mlpBufferPointer;
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};
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inline
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FileInfo::FileInfo(void)
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: mhFileHandle(INVALID_HANDLE_VALUE), mBufferIndex(0), mlpBufferPointer(0)
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{
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}
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inline
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FileInfo::~FileInfo()
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{
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}
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class FileIO
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{
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public:
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enum Open{CreateNew=CREATE_NEW,CreateAlways=CREATE_ALWAYS,OpenExisting=OPEN_EXISTING,
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OpenAlways=OPEN_ALWAYS,TruncateExisting=TRUNCATE_EXISTING};
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enum Share{FileShareRead=FILE_SHARE_READ,FileShareWrite=FILE_SHARE_WRITE,FileShareDelete=FILE_SHARE_DELETE};
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enum Access{GenericRead=GENERIC_READ,GenericWrite=GENERIC_WRITE,
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GenericExecute=GENERIC_EXECUTE,GenericAll=GENERIC_ALL};
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enum Attributes{ReadOnly=FILE_ATTRIBUTE_READONLY,Hidden=FILE_ATTRIBUTE_HIDDEN,
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System=FILE_ATTRIBUTE_SYSTEM,Directory=FILE_ATTRIBUTE_DIRECTORY,
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Archive=FILE_ATTRIBUTE_ARCHIVE,Normal=FILE_ATTRIBUTE_NORMAL,
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Temporary=FILE_ATTRIBUTE_TEMPORARY,Compressed=FILE_ATTRIBUTE_COMPRESSED,
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Offline=FILE_ATTRIBUTE_OFFLINE};
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int openFile(char *pPathFileName,Access access,Share share,Open open,Attributes attributes);
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int closeFile(void);
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int readFile(BYTE *ptrByte);
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int readLine(BYTE *strLine);
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int writeFile(BYTE *strByte);
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int flushFile(void);
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BOOL isOkay(void)const;
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private:
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FileInfo mFileInfo;
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};
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inline
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int FileIO::openFile(char *pPathFileName,Access access,Share share,Open open,Attributes attributes)
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{
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closeFile();
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return !(INVALID_HANDLE_VALUE==(HANDLE)::FileOpen(pPathFileName,&mFileInfo,access,share,open,attributes));
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}
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inline
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int FileIO::closeFile(void)
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{
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flushFile();
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return ::FileClose(&mFileInfo);
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}
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inline
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int FileIO::readFile(BYTE *ptrByte)
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{
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return ::FileRead(&mFileInfo,ptrByte);
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}
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inline
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int FileIO::readLine(BYTE *strLine)
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{
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return ::FileReadLine(&mFileInfo,strLine);
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}
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inline
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int FileIO::writeFile(BYTE *strByte)
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{
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return ::FileWriteLine(&mFileInfo,strByte);
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}
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inline
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int FileIO::flushFile(void)
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{
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return ::FileFlush(&mFileInfo);
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}
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inline
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BOOL FileIO::isOkay(void)const
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{
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return INVALID_HANDLE_VALUE==mFileInfo.mhFileHandle;
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}
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int PASCAL WinMain(HINSTANCE /*hInstance*/,HINSTANCE /*hPrevInstance*/,LPSTR lpszCmdLine,int /*nCmdShow*/)
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{
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FileIO openFile;
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BYTE ptrByte;
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DWORD byteCount;
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DWORD elapsedTime;
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String strMessage;
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char lineString;
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// if(!openFile.openFile(String(lpszCmdLine),
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// FileIO::Access(int(FileIO::GenericRead)|int(FileIO::GenericWrite)),
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// FileIO::FileShareRead,
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// FileIO::OpenExisting,
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// FileIO::Normal))return FALSE;
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//#if 0
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if(!openFile.openFile("c:\\smk.lst",
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FileIO::Access(int(FileIO::GenericRead)|int(FileIO::GenericWrite)),
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FileIO::FileShareWrite,
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FileIO::CreateAlways,
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FileIO::Normal))return FALSE;
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elapsedTime=::GetTickCount();
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for(int lineIndex=0;lineIndex<500000;lineIndex++)openFile.writeFile((BYTE*)"hello there");
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elapsedTime=::GetTickCount()-elapsedTime;
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elapsedTime/=1000L;
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::sprintf(strMessage,"%ld bytes read int %ld seconds\n",byteCount,elapsedTime);
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::MessageBox(::GetFocus(),strMessage,(LPSTR)"FileIO",MB_OK);
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openFile.closeFile();
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//#endif
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#if 0
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FileHandle logFile;
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logFile.open("c:\\smk.lst",FileHandle::ReadWrite,FileHandle::ShareReadWrite,FileHandle::Overwrite);
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if(!logFile.isOkay())return FALSE;
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elapsedTime=::GetTickCount();
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for(int lineIndex=0;lineIndex<500000;lineIndex++)logFile.writeLine("hello there");
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logFile.flush();
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logFile.close();
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elapsedTime=::GetTickCount()-elapsedTime;
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elapsedTime/=1000L;
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::sprintf(strMessage,"%ld bytes read int %ld seconds\n",byteCount,elapsedTime);
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::MessageBox(::GetFocus(),strMessage,(LPSTR)"FileIO",MB_OK);
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#endif
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return FALSE;
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}
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