DTXViewerプロジェクト/@FDK10ã<span class="cntrl">\83</span><span class="cntrl">\97</span>ã<span class="cntrl">\83</span>ã<span class="cntrl">\82</span>¸ã<span class="cntrl">\82</span>§ã<span class="cntrl">\82</span>¯ã<span class="cntrl">\83</span><span class="cntrl">\88</span>/CFile.cpp

   1 #include "stdafx.h"
   2 #include "CFile.h"
   3
   4 namespace FDK {
   5         namespace General {
   6
   7 CFile::CFile()
   8 {
   9         this->pData = NULL;
  10         Init();
  11 }
  12
  13 CFile::~CFile()
  14 {
  15         Init();
  16 }
  17
  18 void    CFile::Init()
  19 {
  20         SAFE_FREE( this->pData );
  21         this->strFileName.clear();
  22         this->strExt[0]                                          = _T('\0');
  23         this->ftLastWriteTime.dwLowDateTime  = 0;
  24         this->ftLastWriteTime.dwHighDateTime = 0;
  25         this->dwFileSizeHigh                             = 0;
  26         this->dwFileSizeLow                                      = 0;
  27 }
  28
  29 void    CFile::Term()
  30 {
  31         Init();
  32 }
  33
  34 bool    CFile::Load( LPCTSTR filename )
  35 {
  36         // \8f\89\8aú\89»
  37         Init();
  38         this->strFileName = filename;
  39
  40         // \83t\83@\83C\83\8b\8fî\95ñ\82Ì\8eæ\93¾
  41         GetExt( filename, this->strExt );
  42         WIN32_FILE_ATTRIBUTE_DATA fileInfo;
  43         if( ! ::GetFileAttributesEx( filename, GetFileExInfoStandard, &fileInfo))
  44                 return false;           // \8e¸\94s
  45
  46         this->ftLastWriteTime.dwLowDateTime  = fileInfo.ftLastWriteTime.dwLowDateTime;
  47         this->ftLastWriteTime.dwHighDateTime = fileInfo.ftLastWriteTime.dwHighDateTime;
  48         this->dwFileSizeHigh = fileInfo.nFileSizeHigh;
  49         this->dwFileSizeLow  = fileInfo.nFileSizeLow;
  50
  51         // \83t\83@\83C\83\8b\82Ì\93Ç\82Ý\8d\9e\82Ý
  52         HANDLE hFile = ::CreateFile( filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
  53         if( hFile == INVALID_HANDLE_VALUE )
  54                 return false;
  55
  56         if( this->dwFileSizeLow != 0 )          // 32bit\82Ü\82Å\82Ì\83T\83C\83Y(2GB)\82µ\82©\93Ç\82Ü\82È\82¢\82¯\82Ç\82¢\82¢\82â\82Ë (High\82Í\96³\8e\8b)
  57         {
  58                 DWORD dwReadSize = 0;
  59                 this->pData = (BYTE*) malloc( this->dwFileSizeLow );
  60
  61                 if( ! ::ReadFile( hFile, (void*)this->pData, this->dwFileSizeLow, &dwReadSize, NULL ) || dwReadSize != this->dwFileSizeLow )
  62                 {
  63                         CloseHandle( hFile );
  64                         return false;
  65                 }
  66         }
  67
  68         // \83t\83@\83C\83\8b\82ð\95Â\82¶\82é
  69         CloseHandle( hFile );
  70         return true;
  71 }
  72
  73 void    CFile::GetExt( LPCTSTR filename, LPTSTR ext )
  74 {
  75         TCHAR strFullPath[_MAX_PATH], strExt[_MAX_EXT], *p;
  76
  77         if( ! ::GetFullPathName( filename, _MAX_PATH, strFullPath, NULL ) )
  78         {
  79                 ext[0] = _T('\0');
  80                 return;
  81         }
  82
  83         _tsplitpath_s( strFullPath, NULL, 0, NULL, 0, NULL, 0, strExt, _MAX_EXT );
  84         p = &(strExt[0]);
  85         if( *p == _T('.') )
  86                 p++;
  87
  88         lstrcpyn( ext, p, _MAX_EXT );
  89 }
  90
  91         }//General
  92 }//FDK