Initial commit.

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