Function xnDumpFileOpenImpl

Source/OpenNI/XnDump.cpp:146–203

}

XnDumpFile* xnDumpFileOpenImpl(const XnChar* strDumpName, XnBool bForce, XnBool bSessionDump, const XnChar* strNameFormat, va_list args)
{
	XnStatus nRetVal = XN_STATUS_OK;

	DumpData& dumpData = DumpData::GetInstance();

	// check if there are writers
	if (dumpData.writers.IsEmpty())
	{
		return NULL;
	}

	if (!bForce)
	{
		if (!xnLogIsDumpMaskEnabled(strDumpName))
		{
			return NULL;
		}
	}

	// format file name
	XnChar strFileName[XN_FILE_MAX_PATH];
	XnUInt32 nChars;
	nRetVal = xnOSStrFormatV(strFileName, XN_FILE_MAX_PATH, &nChars, strNameFormat, args);
	if (nRetVal != XN_STATUS_OK)
	{
		XN_ASSERT(FALSE);
		return NULL;
	}

	// create a handle that will hold all handles to all writers
	XnDumpFile* pFile = XN_NEW(XnDumpFile);

	// try to add writers
	for (XnDumpWriters::Iterator it = dumpData.writers.Begin(); it != dumpData.writers.End(); ++it)
	{
		XnDumpWriterFile writerFile;
		writerFile.pWriter = *it;
		writerFile.hFile = writerFile.pWriter->OpenFile(writerFile.pWriter->pCookie, strDumpName, bSessionDump, strFileName);
		XN_ASSERT(writerFile.hFile.pInternal != NULL);
		if (writerFile.hFile.pInternal != NULL)
		{
			nRetVal = pFile->m_writersFiles.AddLast(writerFile);
			XN_ASSERT(nRetVal == XN_STATUS_OK);
		}
	}

	// check if any writer succeeded
	if (pFile->m_writersFiles.IsEmpty())
	{
		// no file. Release memory
		XN_DELETE(pFile);
		return NULL;
	}

	// return the file pointer
	return pFile;
}