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_posix.h"
9 #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
10 IFXCRT_FileAccess* FXCRT_FileAccess_Create()
12 return FX_NEW CFXCRT_FileAccess_Posix;
14 void FXCRT_Posix_GetFileMode(FX_DWORD dwModes, FX_INT32 &nFlags, FX_INT32 &nMasks)
16 nFlags = O_BINARY | O_LARGEFILE;
17 if (dwModes & FX_FILEMODE_ReadOnly) {
21 nFlags |= O_RDWR | O_CREAT;
22 if (dwModes & FX_FILEMODE_Truncate) {
25 nMasks = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
28 CFXCRT_FileAccess_Posix::CFXCRT_FileAccess_Posix()
32 CFXCRT_FileAccess_Posix::~CFXCRT_FileAccess_Posix()
36 FX_BOOL CFXCRT_FileAccess_Posix::Open(FX_BSTR fileName, FX_DWORD dwMode)
41 FX_INT32 nFlags, nMasks;
42 FXCRT_Posix_GetFileMode(dwMode, nFlags, nMasks);
43 m_nFD = open(fileName.GetCStr(), nFlags, nMasks);
46 FX_BOOL CFXCRT_FileAccess_Posix::Open(FX_WSTR fileName, FX_DWORD dwMode)
48 return Open(FX_UTF8Encode(fileName), dwMode);
50 void CFXCRT_FileAccess_Posix::Close()
58 void CFXCRT_FileAccess_Posix::Release()
62 FX_FILESIZE CFXCRT_FileAccess_Posix::GetSize() const
68 FXSYS_memset32(&s, 0, sizeof(s));
72 FX_FILESIZE CFXCRT_FileAccess_Posix::GetPosition() const
75 return (FX_FILESIZE) - 1;
77 return lseek(m_nFD, 0, SEEK_CUR);
79 FX_FILESIZE CFXCRT_FileAccess_Posix::SetPosition(FX_FILESIZE pos)
82 return (FX_FILESIZE) - 1;
84 return lseek(m_nFD, pos, SEEK_SET);
86 size_t CFXCRT_FileAccess_Posix::Read(void* pBuffer, size_t szBuffer)
91 return read(m_nFD, pBuffer, szBuffer);
93 size_t CFXCRT_FileAccess_Posix::Write(const void* pBuffer, size_t szBuffer)
98 return write(m_nFD, pBuffer, szBuffer);
100 size_t CFXCRT_FileAccess_Posix::ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
105 if (pos >= GetSize()) {
108 if (SetPosition(pos) == (FX_FILESIZE) - 1) {
111 return Read(pBuffer, szBuffer);
113 size_t CFXCRT_FileAccess_Posix::WritePos(const void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
118 if (SetPosition(pos) == (FX_FILESIZE) - 1) {
121 return Write(pBuffer, szBuffer);
123 FX_BOOL CFXCRT_FileAccess_Posix::Flush()
128 return fsync(m_nFD) > -1;
130 FX_BOOL CFXCRT_FileAccess_Posix::Truncate(FX_FILESIZE szFile)
135 return !ftruncate(m_nFD, szFile);
137 FX_BOOL FX_File_Exist(FX_BSTR fileName)
139 return access(fileName.GetCStr(), F_OK) > -1;
141 FX_BOOL FX_File_Exist(FX_WSTR fileName)
143 return FX_File_Exist(FX_UTF8Encode(fileName));
145 FX_BOOL FX_File_Delete(FX_BSTR fileName)
147 return remove(fileName.GetCStr()) > -1;
149 FX_BOOL FX_File_Delete(FX_WSTR fileName)
151 return FX_File_Delete(FX_UTF8Encode(fileName));
153 FX_BOOL FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst)
155 CFXCRT_FileAccess_Posix src, dst;
156 if (!src.Open(fileNameSrc, FX_FILEMODE_ReadOnly)) {
159 FX_FILESIZE size = src.GetSize();
163 if (!dst.Open(fileNameDst, FX_FILEMODE_Truncate)) {
167 FX_LPBYTE pBuffer = FX_Alloc(FX_BYTE, 32768);
171 num = src.Read(pBuffer, 32768);
173 if (dst.Write(pBuffer, num) != num) {
176 num = src.Read(pBuffer, 32768);
181 FX_BOOL FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst)
183 return FX_File_Copy(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
185 FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst)
187 return rename(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
189 FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst)
191 return FX_File_Move(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));