// 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_platforms.h" | |
#if (_FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ && _FXM_PLATFORM_ != _FXM_PLATFORM_LINUX_ && _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ && _FXM_PLATFORM_ != _FXM_PLATFORM_ANDROID_) | |
IFXCRT_FileAccess* FXCRT_FileAccess_Create(IFX_Allocator* pAllocator) | |
{ | |
if (pAllocator) { | |
return FX_NewAtAllocator(pAllocator) CFXCRT_FileAccess_CRT; | |
} else { | |
return FX_NEW CFXCRT_FileAccess_CRT; | |
} | |
} | |
void FXCRT_GetFileModeString(FX_DWORD dwModes, CFX_ByteString &bsMode) | |
{ | |
if (dwModes & FX_FILEMODE_ReadOnly) { | |
bsMode = FX_BSTRC("rb"); | |
} else if (dwModes & FX_FILEMODE_Truncate) { | |
bsMode = FX_BSTRC("w+b"); | |
} else { | |
bsMode = FX_BSTRC("a+b"); | |
} | |
} | |
void FXCRT_GetFileModeString(FX_DWORD dwModes, CFX_WideString &wsMode) | |
{ | |
if (dwModes & FX_FILEMODE_ReadOnly) { | |
wsMode = FX_WSTRC(L"rb"); | |
} else if (dwModes & FX_FILEMODE_Truncate) { | |
wsMode = FX_WSTRC(L"w+b"); | |
} else { | |
wsMode = FX_WSTRC(L"a+b"); | |
} | |
} | |
CFXCRT_FileAccess_CRT::CFXCRT_FileAccess_CRT() | |
: m_hFile(NULL) | |
{ | |
} | |
CFXCRT_FileAccess_CRT::~CFXCRT_FileAccess_CRT() | |
{ | |
Close(); | |
} | |
FX_BOOL CFXCRT_FileAccess_CRT::Open(FX_BSTR fileName, FX_DWORD dwMode) | |
{ | |
if (m_hFile) { | |
return FALSE; | |
} | |
CFX_ByteString strMode; | |
FXCRT_GetFileModeString(dwMode, strMode); | |
m_hFile = FXSYS_fopen(fileName.GetCStr(), (FX_LPCSTR)strMode); | |
return m_hFile != NULL; | |
} | |
FX_BOOL CFXCRT_FileAccess_CRT::Open(FX_WSTR fileName, FX_DWORD dwMode) | |
{ | |
if (m_hFile) { | |
return FALSE; | |
} | |
CFX_WideString strMode; | |
FXCRT_GetFileModeString(dwMode, strMode); | |
m_hFile = FXSYS_wfopen(fileName.GetPtr(), (FX_LPCWSTR)strMode); | |
return m_hFile != NULL; | |
} | |
void CFXCRT_FileAccess_CRT::Close() | |
{ | |
if (!m_hFile) { | |
return; | |
} | |
FXSYS_fclose(m_hFile); | |
m_hFile = NULL; | |
} | |
void CFXCRT_FileAccess_CRT::Release(IFX_Allocator* pAllocator) | |
{ | |
if (pAllocator) { | |
FX_DeleteAtAllocator(this, pAllocator, CFXCRT_FileAccess_CRT); | |
} else { | |
delete this; | |
} | |
} | |
FX_FILESIZE CFXCRT_FileAccess_CRT::GetSize() const | |
{ | |
if (!m_hFile) { | |
return 0; | |
} | |
FX_FILESIZE pos = (FX_FILESIZE)FXSYS_ftell(m_hFile); | |
FXSYS_fseek(m_hFile, 0, FXSYS_SEEK_END); | |
FX_FILESIZE size = (FX_FILESIZE)FXSYS_ftell(m_hFile); | |
FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET); | |
return size; | |
} | |
FX_FILESIZE CFXCRT_FileAccess_CRT::GetPosition() const | |
{ | |
if (!m_hFile) { | |
return (FX_FILESIZE) - 1; | |
} | |
return (FX_FILESIZE)FXSYS_ftell(m_hFile); | |
} | |
FX_FILESIZE CFXCRT_FileAccess_CRT::SetPosition(FX_FILESIZE pos) | |
{ | |
if (!m_hFile) { | |
return (FX_FILESIZE) - 1; | |
} | |
FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET); | |
return (FX_FILESIZE)FXSYS_ftell(m_hFile); | |
} | |
size_t CFXCRT_FileAccess_CRT::Read(void* pBuffer, size_t szBuffer) | |
{ | |
if (!m_hFile) { | |
return 0; | |
} | |
return FXSYS_fread(pBuffer, 1, szBuffer, m_hFile); | |
} | |
size_t CFXCRT_FileAccess_CRT::Write(const void* pBuffer, size_t szBuffer) | |
{ | |
if (!m_hFile) { | |
return 0; | |
} | |
return FXSYS_fwrite(pBuffer, 1, szBuffer, m_hFile); | |
} | |
size_t CFXCRT_FileAccess_CRT::ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos) | |
{ | |
if (!m_hFile) { | |
return (FX_FILESIZE) - 1; | |
} | |
FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET); | |
return FXSYS_fread(pBuffer, 1, szBuffer, m_hFile); | |
} | |
size_t CFXCRT_FileAccess_CRT::WritePos(const void* pBuffer, size_t szBuffer, FX_FILESIZE pos) | |
{ | |
if (!m_hFile) { | |
return (FX_FILESIZE) - 1; | |
} | |
FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET); | |
return FXSYS_fwrite(pBuffer, 1, szBuffer, m_hFile); | |
} | |
FX_BOOL CFXCRT_FileAccess_CRT::Flush() | |
{ | |
if (!m_hFile) { | |
return FALSE; | |
} | |
return !FXSYS_fflush(m_hFile); | |
} | |
FX_BOOL CFXCRT_FileAccess_CRT::Truncate(FX_FILESIZE szFile) | |
{ | |
return FALSE; | |
} | |
FX_BOOL FX_File_Exist(FX_BSTR fileName) | |
{ | |
return access(fileName.GetCStr(), F_OK) > -1; | |
} | |
FX_BOOL FX_File_Exist(FX_WSTR fileName) | |
{ | |
return FX_File_Exist(FX_UTF8Encode(fileName)); | |
} | |
FX_BOOL FX_File_Delete(FX_BSTR fileName) | |
{ | |
return remove(fileName.GetCStr()) > -1; | |
} | |
FX_BOOL FX_File_Delete(FX_WSTR fileName) | |
{ | |
return FX_File_Delete(FX_UTF8Encode(fileName)); | |
} | |
FX_BOOL FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst) | |
{ | |
CFXCRT_FileAccess_CRT src, dst; | |
if (!src.Open(fileNameSrc, FX_FILEMODE_ReadOnly)) { | |
return FALSE; | |
} | |
FX_FILESIZE size = src.GetSize(); | |
if (!size) { | |
return FALSE; | |
} | |
if (!dst.Open(fileNameDst, FX_FILEMODE_Truncate)) { | |
return FALSE; | |
} | |
FX_FILESIZE num = 0; | |
FX_LPBYTE pBuffer = FX_Alloc(FX_BYTE, 32768); | |
if (!pBuffer) { | |
return FALSE; | |
} | |
while (num = src.Read(pBuffer, 32768)) { | |
if (dst.Write(pBuffer, num) != num) { | |
break; | |
} | |
} | |
FX_Free(pBuffer); | |
return TRUE; | |
} | |
FX_BOOL FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst) | |
{ | |
return FX_File_Copy(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst)); | |
} | |
FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst) | |
{ | |
return rename(fileNameSrc.GetCStr(), fileNameDst.GetCStr()); | |
} | |
FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst) | |
{ | |
return FX_File_Move(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst)); | |
} | |
#endif |