1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
7 #include "../../include/fxcrt/fx_ext.h"
8 #include "fxcrt_windows.h"
9 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
10 FX_BOOL FX_File_Exist(FX_BSTR fileName)
12 FX_DWORD dwAttri = ::GetFileAttributesA(fileName.GetCStr());
16 return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0;
18 FX_BOOL FX_File_Exist(FX_WSTR fileName)
20 FX_DWORD dwAttri = ::GetFileAttributesW((LPCWSTR)fileName.GetPtr());
24 return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0;
26 IFXCRT_FileAccess* FXCRT_FileAccess_Create()
28 return FX_NEW CFXCRT_FileAccess_Win64;
30 void FXCRT_Windows_GetFileMode(FX_DWORD dwMode, FX_DWORD &dwAccess, FX_DWORD &dwShare, FX_DWORD &dwCreation)
32 dwAccess = GENERIC_READ;
33 dwShare = FILE_SHARE_READ | FILE_SHARE_WRITE;
34 if (!(dwMode & FX_FILEMODE_ReadOnly)) {
35 dwAccess |= GENERIC_WRITE;
36 dwCreation = (dwMode & FX_FILEMODE_Truncate) ? CREATE_ALWAYS : OPEN_ALWAYS;
38 dwCreation = OPEN_EXISTING;
44 WINBASEAPI BOOL WINAPI GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize);
45 WINBASEAPI BOOL WINAPI SetFilePointerEx(HANDLE hFile, LARGE_INTEGER liDistanceToMove, PLARGE_INTEGER lpNewFilePointer, DWORD dwMoveMethod);
49 CFXCRT_FileAccess_Win64::CFXCRT_FileAccess_Win64()
53 CFXCRT_FileAccess_Win64::~CFXCRT_FileAccess_Win64()
57 FX_BOOL CFXCRT_FileAccess_Win64::Open(FX_BSTR fileName, FX_DWORD dwMode)
62 FX_DWORD dwAccess, dwShare, dwCreation;
63 FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
64 m_hFile = ::CreateFileA(fileName.GetCStr(), dwAccess, dwShare, NULL, dwCreation, FILE_ATTRIBUTE_NORMAL, NULL);
65 if (m_hFile == INVALID_HANDLE_VALUE) {
68 return m_hFile != NULL;
70 FX_BOOL CFXCRT_FileAccess_Win64::Open(FX_WSTR fileName, FX_DWORD dwMode)
75 FX_DWORD dwAccess, dwShare, dwCreation;
76 FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
77 m_hFile = ::CreateFileW((LPCWSTR)fileName.GetPtr(), dwAccess, dwShare, NULL, dwCreation, FILE_ATTRIBUTE_NORMAL, NULL);
78 if (m_hFile == INVALID_HANDLE_VALUE) {
81 return m_hFile != NULL;
83 void CFXCRT_FileAccess_Win64::Close()
88 ::CloseHandle(m_hFile);
91 void CFXCRT_FileAccess_Win64::Release()
95 FX_FILESIZE CFXCRT_FileAccess_Win64::GetSize() const
100 LARGE_INTEGER size = {0, 0};
101 if (!::GetFileSizeEx(m_hFile, &size)) {
104 return (FX_FILESIZE)size.QuadPart;
106 FX_FILESIZE CFXCRT_FileAccess_Win64::GetPosition() const
109 return (FX_FILESIZE) - 1;
111 LARGE_INTEGER dist = {0, 0};
112 LARGE_INTEGER newPos = {0, 0};
113 if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_CURRENT)) {
114 return (FX_FILESIZE) - 1;
116 return (FX_FILESIZE)newPos.QuadPart;
118 FX_FILESIZE CFXCRT_FileAccess_Win64::SetPosition(FX_FILESIZE pos)
121 return (FX_FILESIZE) - 1;
125 LARGE_INTEGER newPos = {0, 0};
126 if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_BEGIN)) {
127 return (FX_FILESIZE) - 1;
129 return (FX_FILESIZE)newPos.QuadPart;
131 size_t CFXCRT_FileAccess_Win64::Read(void* pBuffer, size_t szBuffer)
137 if (!::ReadFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szRead, NULL)) {
142 size_t CFXCRT_FileAccess_Win64::Write(const void* pBuffer, size_t szBuffer)
148 if (!::WriteFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szWrite, NULL)) {
153 size_t CFXCRT_FileAccess_Win64::ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
158 if (pos >= GetSize()) {
161 if (SetPosition(pos) == (FX_FILESIZE) - 1) {
164 return Read(pBuffer, szBuffer);
166 size_t CFXCRT_FileAccess_Win64::WritePos(const void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
171 if (SetPosition(pos) == (FX_FILESIZE) - 1) {
174 return Write(pBuffer, szBuffer);
176 FX_BOOL CFXCRT_FileAccess_Win64::Flush()
181 return ::FlushFileBuffers(m_hFile);
183 FX_BOOL CFXCRT_FileAccess_Win64::Truncate(FX_FILESIZE szFile)
185 if (SetPosition(szFile) == (FX_FILESIZE) - 1) {
188 return ::SetEndOfFile(m_hFile);
190 FX_BOOL FX_File_Delete(FX_BSTR fileName)
192 return ::DeleteFileA(fileName.GetCStr());
194 FX_BOOL FX_File_Delete(FX_WSTR fileName)
196 return ::DeleteFileW((LPCWSTR)fileName.GetPtr());
198 FX_BOOL FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst)
200 return ::CopyFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr(), FALSE);
202 FX_BOOL FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst)
204 return ::CopyFileW((LPCWSTR)fileNameSrc.GetPtr(), (LPCWSTR)fileNameDst.GetPtr(), FALSE);
206 FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst)
208 return ::MoveFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
210 FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst)
212 return ::MoveFileW((LPCWSTR)fileNameSrc.GetPtr(), (LPCWSTR)fileNameDst.GetPtr());