Method create

code/Common/DefaultLogger.cpp:126–163

---------------------------------------------------------------------------------- Creates the only singleton instance

// ----------------------------------------------------------------------------------
//  Creates the only singleton instance
Logger *DefaultLogger::create(const char *name /*= "AssimpLog.txt"*/,
        LogSeverity severity /*= NORMAL*/,
        unsigned int defStreams /*= aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE*/,
        IOSystem *io /*= nullptr*/) {
    // enter the mutex here to avoid concurrency problems
#ifndef ASSIMP_BUILD_SINGLETHREADED
    std::lock_guard<std::mutex> lock(loggerMutex);
#endif

    if (m_pLogger && !isNullLogger()) {
        delete m_pLogger;
    }

    m_pLogger = new DefaultLogger(severity);

    // Attach default log streams
    // Stream the log to the MSVC debugger?
    if (defStreams & aiDefaultLogStream_DEBUGGER) {
        m_pLogger->attachStream(LogStream::createDefaultStream(aiDefaultLogStream_DEBUGGER));
    }

    // Stream the log to COUT?
    if (defStreams & aiDefaultLogStream_STDOUT) {
        m_pLogger->attachStream(LogStream::createDefaultStream(aiDefaultLogStream_STDOUT));
    }

    // Stream the log to CERR?
    if (defStreams & aiDefaultLogStream_STDERR) {
        m_pLogger->attachStream(LogStream::createDefaultStream(aiDefaultLogStream_STDERR));
    }

    // Stream the log to a file
    if (defStreams & aiDefaultLogStream_FILE && name && *name) {
        m_pLogger->attachStream(LogStream::createDefaultStream(aiDefaultLogStream_FILE, name, io));
    }

    return m_pLogger;
}

// ----------------------------------------------------------------------------------
void Logger::debug(const char *message) {