From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/src/fxcrt/fxcrt_windows.cpp | 222 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 core/src/fxcrt/fxcrt_windows.cpp (limited to 'core/src/fxcrt/fxcrt_windows.cpp') diff --git a/core/src/fxcrt/fxcrt_windows.cpp b/core/src/fxcrt/fxcrt_windows.cpp new file mode 100644 index 0000000000..e03bfda354 --- /dev/null +++ b/core/src/fxcrt/fxcrt_windows.cpp @@ -0,0 +1,222 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "../../include/fxcrt/fx_ext.h" +#include "fxcrt_windows.h" +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +FX_BOOL FX_File_Exist(FX_BSTR fileName) +{ + FX_DWORD dwAttri = ::GetFileAttributesA(fileName.GetCStr()); + if (dwAttri == -1) { + return FALSE; + } + return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0; +} +FX_BOOL FX_File_Exist(FX_WSTR fileName) +{ + FX_DWORD dwAttri = ::GetFileAttributesW((LPCWSTR)fileName.GetPtr()); + if (dwAttri == -1) { + return FALSE; + } + return (dwAttri & FILE_ATTRIBUTE_DIRECTORY) == 0; +} +IFXCRT_FileAccess* FXCRT_FileAccess_Create(IFX_Allocator* pAllocator) +{ + if (pAllocator) { + return FX_NewAtAllocator(pAllocator) CFXCRT_FileAccess_Win64; + } else { + return FX_NEW CFXCRT_FileAccess_Win64; + } +} +void FXCRT_Windows_GetFileMode(FX_DWORD dwMode, FX_DWORD &dwAccess, FX_DWORD &dwShare, FX_DWORD &dwCreation) +{ + dwAccess = GENERIC_READ; + dwShare = FILE_SHARE_READ | FILE_SHARE_WRITE; + if (!(dwMode & FX_FILEMODE_ReadOnly)) { + dwAccess |= GENERIC_WRITE; + dwCreation = (dwMode & FX_FILEMODE_Truncate) ? CREATE_ALWAYS : OPEN_ALWAYS; + } else { + dwCreation = OPEN_EXISTING; + } +} +#ifdef __cplusplus +extern "C" { +#endif +WINBASEAPI BOOL WINAPI GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize); +WINBASEAPI BOOL WINAPI SetFilePointerEx(HANDLE hFile, LARGE_INTEGER liDistanceToMove, PLARGE_INTEGER lpNewFilePointer, DWORD dwMoveMethod); +#ifdef __cplusplus +} +#endif +CFXCRT_FileAccess_Win64::CFXCRT_FileAccess_Win64() + : m_hFile(NULL) +{ +} +CFXCRT_FileAccess_Win64::~CFXCRT_FileAccess_Win64() +{ + Close(); +} +FX_BOOL CFXCRT_FileAccess_Win64::Open(FX_BSTR fileName, FX_DWORD dwMode) +{ + if (m_hFile) { + return FALSE; + } + FX_DWORD dwAccess, dwShare, dwCreation; + FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation); + m_hFile = ::CreateFileA(fileName.GetCStr(), dwAccess, dwShare, NULL, dwCreation, FILE_ATTRIBUTE_NORMAL, NULL); + if (m_hFile == INVALID_HANDLE_VALUE) { + m_hFile = NULL; + } + return m_hFile != NULL; +} +FX_BOOL CFXCRT_FileAccess_Win64::Open(FX_WSTR fileName, FX_DWORD dwMode) +{ + if (m_hFile) { + return FALSE; + } + FX_DWORD dwAccess, dwShare, dwCreation; + FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation); + m_hFile = ::CreateFileW((LPCWSTR)fileName.GetPtr(), dwAccess, dwShare, NULL, dwCreation, FILE_ATTRIBUTE_NORMAL, NULL); + if (m_hFile == INVALID_HANDLE_VALUE) { + m_hFile = NULL; + } + return m_hFile != NULL; +} +void CFXCRT_FileAccess_Win64::Close() +{ + if (!m_hFile) { + return; + } + ::CloseHandle(m_hFile); + m_hFile = NULL; +} +void CFXCRT_FileAccess_Win64::Release(IFX_Allocator* pAllocator) +{ + if (pAllocator) { + FX_DeleteAtAllocator(this, pAllocator, CFXCRT_FileAccess_Win64); + } else { + delete this; + } +} +FX_FILESIZE CFXCRT_FileAccess_Win64::GetSize() const +{ + if (!m_hFile) { + return 0; + } + LARGE_INTEGER size = {0, 0}; + if (!::GetFileSizeEx(m_hFile, &size)) { + return 0; + } + return (FX_FILESIZE)size.QuadPart; +} +FX_FILESIZE CFXCRT_FileAccess_Win64::GetPosition() const +{ + if (!m_hFile) { + return (FX_FILESIZE) - 1; + } + LARGE_INTEGER dist = {0, 0}; + LARGE_INTEGER newPos = {0, 0}; + if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_CURRENT)) { + return (FX_FILESIZE) - 1; + } + return (FX_FILESIZE)newPos.QuadPart; +} +FX_FILESIZE CFXCRT_FileAccess_Win64::SetPosition(FX_FILESIZE pos) +{ + if (!m_hFile) { + return (FX_FILESIZE) - 1; + } + LARGE_INTEGER dist; + dist.QuadPart = pos; + LARGE_INTEGER newPos = {0, 0}; + if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_BEGIN)) { + return (FX_FILESIZE) - 1; + } + return (FX_FILESIZE)newPos.QuadPart; +} +size_t CFXCRT_FileAccess_Win64::Read(void* pBuffer, size_t szBuffer) +{ + if (!m_hFile) { + return 0; + } + size_t szRead = 0; + if (!::ReadFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szRead, NULL)) { + return 0; + } + return szRead; +} +size_t CFXCRT_FileAccess_Win64::Write(const void* pBuffer, size_t szBuffer) +{ + if (!m_hFile) { + return 0; + } + size_t szWrite = 0; + if (!::WriteFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szWrite, NULL)) { + return 0; + } + return szWrite; +} +size_t CFXCRT_FileAccess_Win64::ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos) +{ + if (!m_hFile) { + return 0; + } + if (pos >= GetSize()) { + return 0; + } + if (SetPosition(pos) == (FX_FILESIZE) - 1) { + return 0; + } + return Read(pBuffer, szBuffer); +} +size_t CFXCRT_FileAccess_Win64::WritePos(const void* pBuffer, size_t szBuffer, FX_FILESIZE pos) +{ + if (!m_hFile) { + return 0; + } + if (SetPosition(pos) == (FX_FILESIZE) - 1) { + return 0; + } + return Write(pBuffer, szBuffer); +} +FX_BOOL CFXCRT_FileAccess_Win64::Flush() +{ + if (!m_hFile) { + return FALSE; + } + return ::FlushFileBuffers(m_hFile); +} +FX_BOOL CFXCRT_FileAccess_Win64::Truncate(FX_FILESIZE szFile) +{ + if (SetPosition(szFile) == (FX_FILESIZE) - 1) { + return FALSE; + } + return ::SetEndOfFile(m_hFile); +} +FX_BOOL FX_File_Delete(FX_BSTR fileName) +{ + return ::DeleteFileA(fileName.GetCStr()); +} +FX_BOOL FX_File_Delete(FX_WSTR fileName) +{ + return ::DeleteFileW((LPCWSTR)fileName.GetPtr()); +} +FX_BOOL FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst) +{ + return ::CopyFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr(), FALSE); +} +FX_BOOL FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst) +{ + return ::CopyFileW((LPCWSTR)fileNameSrc.GetPtr(), (LPCWSTR)fileNameDst.GetPtr(), FALSE); +} +FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst) +{ + return ::MoveFileA(fileNameSrc.GetCStr(), fileNameDst.GetCStr()); +} +FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst) +{ + return ::MoveFileW((LPCWSTR)fileNameSrc.GetPtr(), (LPCWSTR)fileNameDst.GetPtr()); +} +#endif -- cgit v1.2.3