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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <unistd.h>
#undef XN_CROSS_PLATFORM
#include <XnOS.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_CORE_API XnStatus XnOSGetFileList(const XN_CHAR* cpSearchPattern, const XN_CHAR* cpPrefixPath, XN_CHAR cpFileList[][XN_FILE_MAX_PATH], const XN_UINT32 nMaxFiles, XN_UINT32* pnFoundFiles)
{
return (XN_STATUS_OS_UNSUPPORTED_FUNCTION);
}
XN_CORE_API XnStatus XnOSOpenFile(const XN_CHAR* cpFileName, const XN_UINT32 nFlags, XN_FILE_HANDLE* pFile)
{
XN_VALIDATE_INPUT_PTR(pFile);
// Deal with other flags
// Read mode?
if (nFlags & XN_OS_FILE_READ)
{
*pFile = fopen(cpFileName, "rb");
if (*pFile == NULL)
return XN_STATUS_OS_FILE_OPEN_FAILED;
return XN_STATUS_OK;
}
// Write mode?
if (nFlags & XN_OS_FILE_WRITE == 0)
{
// No read and no write? then do what?
return XN_STATUS_OS_FILE_OPEN_FAILED;
}
XN_BOOL bAppend = false;
// Write mode!
if (nFlags & XN_OS_FILE_APPEND)
bAppend = true;
*pFile = fopen(cpFileName, bAppend ? "ab" : "wb");
if (*pFile == NULL)
return XN_STATUS_OS_FILE_OPEN_FAILED;
return XN_STATUS_OK;
}
XN_CORE_API XnStatus XnOSCloseFile(XN_FILE_HANDLE* pFile)
{
XN_VALIDATE_INPUT_PTR(pFile);
XN_RET_IF_NULL(*pFile, XN_STATUS_OS_INVALID_FILE);
fclose(*pFile);
*pFile = NULL;
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSReadFile(const XN_FILE_HANDLE File, void* pBuffer, XN_UINT32* pnBufferSize)
{
XN_VALIDATE_INPUT_PTR(pBuffer);
XN_VALIDATE_INPUT_PTR(pnBufferSize);
XN_RET_IF_NULL(File, XN_STATUS_OS_INVALID_FILE);
*pnBufferSize = fread(pBuffer, 1, *pnBufferSize, File);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSWriteFile(const XN_FILE_HANDLE File, const void* pBuffer, const XN_UINT32 nBufferSize)
{
XN_VALIDATE_OUTPUT_PTR(pBuffer);
XN_RET_IF_NULL(File, XN_STATUS_OS_INVALID_FILE);
fwrite(pBuffer, 1, nBufferSize, File);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSSeekFile(const XN_FILE_HANDLE File, const XnOSSeekType SeekType, const XN_UINT32 nOffset)
{
XN_RET_IF_NULL(File, XN_STATUS_OS_INVALID_FILE);
XN_UINT32 nSeekType;
switch (SeekType)
{
case XN_OS_SEEK_CUR:
nSeekType = SEEK_CUR; break;
case XN_OS_SEEK_SET:
nSeekType = SEEK_SET; break;
case XN_OS_SEEK_END:
nSeekType = SEEK_END; break;
default:
return XN_STATUS_OS_INVALID_SEEK_TYPE;
}
fseek(File, nOffset, nSeekType);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSTellFile(const XN_FILE_HANDLE File, XN_UINT32* nFilePos)
{
XN_VALIDATE_OUTPUT_PTR(nFilePos);
XN_RET_IF_NULL(File, XN_STATUS_OS_INVALID_FILE);
*nFilePos = ftell(File);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSFlushFile(const XN_FILE_HANDLE File)
{
XN_RET_IF_NULL(File, XN_STATUS_OS_INVALID_FILE);
fflush(File);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSFileExists(const XN_CHAR* cpFileName, XN_BOOL* bResult)
{
XN_VALIDATE_INPUT_PTR(cpFileName);
XN_VALIDATE_OUTPUT_PTR(bResult);
FILE* pTemp = fopen(cpFileName, "rb");
*bResult = pTemp != NULL;
if (pTemp != NULL)
fclose(pTemp);
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSGetFileSize(const XN_CHAR* cpFileName, XN_UINT32* pnFileSize)
{
// Local function variables
XN_FILE_HANDLE FileHandle;
XnStatus nRetVal = XN_STATUS_OK;
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(cpFileName);
XN_VALIDATE_OUTPUT_PTR(pnFileSize);
nRetVal = XnOSOpenFile(cpFileName, XN_OS_FILE_READ, &FileHandle);
XN_IS_STATUS_OK(nRetVal);
XnOSSeekFile(FileHandle, XN_OS_SEEK_END, 0);
XnOSTellFile(FileHandle, pnFileSize);
nRetVal = XnOSCloseFile(&FileHandle);
XN_IS_STATUS_OK(nRetVal);
// All is good...
return (XN_STATUS_OK);
}
XN_CORE_API XnStatus XnOSCreateDirectory(const XN_CHAR* cpDirName)
{
// Local function variables
XN_INT32 nRetVal = 0;
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(cpDirName);
nRetVal = mkdir(cpDirName, S_IRWXU|S_IRWXG|S_IRWXO);;
if (nRetVal != 0)
{
return (XN_STATUS_OS_FAILED_TO_CREATE_DIR);
}
// All is good...
return (XN_STATUS_OK);
}
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