DefaultLogger.hpp

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
 
Copyright (c) 2006-2020, assimp team
 
 
All rights reserved.
 
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* Redistributions of source code must retain the above
  copyright notice, this list of conditions and the
  following disclaimer.
 
* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
  materials provided with the distribution.
 
* Neither the name of the assimp team, nor the names of its
  contributors may be used to endorse or promote products
  derived from this software without specific prior
  written permission of the assimp team.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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*/
#ifndef INCLUDED_AI_DEFAULTLOGGER
#define INCLUDED_AI_DEFAULTLOGGER
 
#include "LogStream.hpp"
#include "Logger.hpp"
#include "NullLogger.hpp"
#include <vector>
 
namespace Assimp {
// ------------------------------------------------------------------------------------
class IOStream;
struct LogStreamInfo;
 
#define ASSIMP_DEFAULT_LOG_NAME "AssimpLog.txt"
 
// ------------------------------------------------------------------------------------
class ASSIMP_API DefaultLogger : public Logger {
 
public:
    // ----------------------------------------------------------------------
    static Logger *create(const char *name = ASSIMP_DEFAULT_LOG_NAME,
            LogSeverity severity = NORMAL,
            unsigned int defStreams = aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE,
            IOSystem *io = nullptr);
 
    // ----------------------------------------------------------------------
    static void set(Logger *logger);
 
    // ----------------------------------------------------------------------
    static Logger *get();
 
    // ----------------------------------------------------------------------
    static bool isNullLogger();
 
    // ----------------------------------------------------------------------
    static void kill();
 
    // ----------------------------------------------------------------------
    bool attachStream(LogStream *pStream,
            unsigned int severity);
 
    // ----------------------------------------------------------------------
    bool detachStream(LogStream *pStream,
            unsigned int severity);
 
private:
    // ----------------------------------------------------------------------
    explicit DefaultLogger(LogSeverity severity);
 
    // ----------------------------------------------------------------------
    ~DefaultLogger();
 
    void OnDebug(const char *message);
 
    void OnVerboseDebug(const char *message);
 
    void OnInfo(const char *message);
 
    void OnWarn(const char *message);
 
    void OnError(const char *message);
 
    // ----------------------------------------------------------------------
    void WriteToStreams(const char *message, ErrorSeverity ErrorSev);
 
    // ----------------------------------------------------------------------
    unsigned int GetThreadID();
 
private:
    //  Aliases for stream container
    typedef std::vector<LogStreamInfo *> StreamArray;
    typedef std::vector<LogStreamInfo *>::iterator StreamIt;
    typedef std::vector<LogStreamInfo *>::const_iterator ConstStreamIt;
 
    static Logger *m_pLogger;
    static NullLogger s_pNullLogger;
 
    StreamArray m_StreamArray;
 
    bool noRepeatMsg;
    char lastMsg[MAX_LOG_MESSAGE_LENGTH * 2];
    size_t lastLen;
};
// ------------------------------------------------------------------------------------
 
} // Namespace Assimp
 
#endif // !! INCLUDED_AI_DEFAULTLOGGER