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// 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()
{
return 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(), strMode.c_str());
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(), strMode.c_str());
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()
{
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;
uint8_t* pBuffer = FX_Alloc(uint8_t, 32768);
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
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