diff options
Diffstat (limited to 'core/src/fxcrt/fxcrt_posix.cpp')
| -rw-r--r-- | core/src/fxcrt/fxcrt_posix.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/core/src/fxcrt/fxcrt_posix.cpp b/core/src/fxcrt/fxcrt_posix.cpp new file mode 100644 index 0000000000..6752e0a117 --- /dev/null +++ b/core/src/fxcrt/fxcrt_posix.cpp @@ -0,0 +1,201 @@ +// 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_posix.h"
+#if _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_Posix();
+ } else {
+ return FX_NEW CFXCRT_FileAccess_Posix;
+ }
+}
+void FXCRT_Posix_GetFileMode(FX_DWORD dwModes, FX_INT32 &nFlags, FX_INT32 &nMasks)
+{
+ nFlags = O_BINARY | O_LARGEFILE;
+ if (dwModes & FX_FILEMODE_ReadOnly) {
+ nFlags |= O_RDONLY;
+ nMasks = 0;
+ } else {
+ nFlags |= O_RDWR | O_CREAT;
+ if (dwModes & FX_FILEMODE_Truncate) {
+ nFlags |= O_TRUNC;
+ }
+ nMasks = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+ }
+}
+CFXCRT_FileAccess_Posix::CFXCRT_FileAccess_Posix()
+ : m_nFD(-1)
+{
+}
+CFXCRT_FileAccess_Posix::~CFXCRT_FileAccess_Posix()
+{
+ Close();
+}
+FX_BOOL CFXCRT_FileAccess_Posix::Open(FX_BSTR fileName, FX_DWORD dwMode)
+{
+ if (m_nFD > -1) {
+ return FALSE;
+ }
+ FX_INT32 nFlags, nMasks;
+ FXCRT_Posix_GetFileMode(dwMode, nFlags, nMasks);
+ m_nFD = open(fileName.GetCStr(), nFlags, nMasks);
+ return m_nFD > -1;
+}
+FX_BOOL CFXCRT_FileAccess_Posix::Open(FX_WSTR fileName, FX_DWORD dwMode)
+{
+ return Open(FX_UTF8Encode(fileName), dwMode);
+}
+void CFXCRT_FileAccess_Posix::Close()
+{
+ if (m_nFD < 0) {
+ return;
+ }
+ close(m_nFD);
+ m_nFD = -1;
+}
+void CFXCRT_FileAccess_Posix::Release(IFX_Allocator* pAllocator)
+{
+ if (pAllocator) {
+ FX_DeleteAtAllocator(this, pAllocator, CFXCRT_FileAccess_Posix);
+ } else {
+ delete this;
+ }
+}
+FX_FILESIZE CFXCRT_FileAccess_Posix::GetSize() const
+{
+ if (m_nFD < 0) {
+ return 0;
+ }
+ struct stat s;
+ FXSYS_memset32(&s, 0, sizeof(s));
+ fstat(m_nFD, &s);
+ return s.st_size;
+}
+FX_FILESIZE CFXCRT_FileAccess_Posix::GetPosition() const
+{
+ if (m_nFD < 0) {
+ return (FX_FILESIZE) - 1;
+ }
+ return lseek(m_nFD, 0, SEEK_CUR);
+}
+FX_FILESIZE CFXCRT_FileAccess_Posix::SetPosition(FX_FILESIZE pos)
+{
+ if (m_nFD < 0) {
+ return (FX_FILESIZE) - 1;
+ }
+ return lseek(m_nFD, pos, SEEK_SET);
+}
+size_t CFXCRT_FileAccess_Posix::Read(void* pBuffer, size_t szBuffer)
+{
+ if (m_nFD < 0) {
+ return 0;
+ }
+ return read(m_nFD, pBuffer, szBuffer);
+}
+size_t CFXCRT_FileAccess_Posix::Write(const void* pBuffer, size_t szBuffer)
+{
+ if (m_nFD < 0) {
+ return 0;
+ }
+ return write(m_nFD, pBuffer, szBuffer);
+}
+size_t CFXCRT_FileAccess_Posix::ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
+{
+ if (m_nFD < 0) {
+ return 0;
+ }
+ if (pos >= GetSize()) {
+ return 0;
+ }
+ if (SetPosition(pos) == (FX_FILESIZE) - 1) {
+ return 0;
+ }
+ return Read(pBuffer, szBuffer);
+}
+size_t CFXCRT_FileAccess_Posix::WritePos(const void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
+{
+ if (m_nFD < 0) {
+ return 0;
+ }
+ if (SetPosition(pos) == (FX_FILESIZE) - 1) {
+ return 0;
+ }
+ return Write(pBuffer, szBuffer);
+}
+FX_BOOL CFXCRT_FileAccess_Posix::Flush()
+{
+ if (m_nFD < 0) {
+ return FALSE;
+ }
+ return fsync(m_nFD) > -1;
+}
+FX_BOOL CFXCRT_FileAccess_Posix::Truncate(FX_FILESIZE szFile)
+{
+ if (m_nFD < 0) {
+ return FALSE;
+ }
+ return !ftruncate(m_nFD, szFile);
+}
+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_Posix 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;
+ }
+ size_t num = 0;
+ FX_LPBYTE pBuffer = FX_Alloc(FX_BYTE, 32768);
+ if (!pBuffer) {
+ return FALSE;
+ }
+ num = src.Read(pBuffer, 32768);
+ while (num) {
+ if (dst.Write(pBuffer, num) != num) {
+ break;
+ }
+ num = src.Read(pBuffer, 32768);
+ }
+ 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
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