da1f80c1f2
This reverts commit 78b22393a8.
It caused a regression in FBX import leading to crashes.
Fixes #36908.
188 lines
7.5 KiB
C++
188 lines
7.5 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file DefaultLogger.hpp
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*/
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#ifndef INCLUDED_AI_DEFAULTLOGGER
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#define INCLUDED_AI_DEFAULTLOGGER
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#include "Logger.hpp"
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#include "LogStream.hpp"
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#include "NullLogger.hpp"
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#include <vector>
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namespace Assimp {
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// ------------------------------------------------------------------------------------
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class IOStream;
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struct LogStreamInfo;
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/** default name of logfile */
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#define ASSIMP_DEFAULT_LOG_NAME "AssimpLog.txt"
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// ------------------------------------------------------------------------------------
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/** @brief CPP-API: Primary logging facility of Assimp.
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*
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* The library stores its primary #Logger as a static member of this class.
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* #get() returns this primary logger. By default the underlying implementation is
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* just a #NullLogger which rejects all log messages. By calling #create(), logging
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* is turned on. To capture the log output multiple log streams (#LogStream) can be
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* attach to the logger. Some default streams for common streaming locations (such as
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* a file, std::cout, OutputDebugString()) are also provided.
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*
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* If you wish to customize the logging at an even deeper level supply your own
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* implementation of #Logger to #set().
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* @note The whole logging stuff causes a small extra overhead for all imports. */
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class ASSIMP_API DefaultLogger :
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public Logger {
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public:
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// ----------------------------------------------------------------------
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/** @brief Creates a logging instance.
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* @param name Name for log file. Only valid in combination
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* with the aiDefaultLogStream_FILE flag.
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* @param severity Log severity, VERBOSE turns on debug messages
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* @param defStreams Default log streams to be attached. Any bitwise
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* combination of the aiDefaultLogStream enumerated values.
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* If #aiDefaultLogStream_FILE is specified but an empty string is
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* passed for 'name', no log file is created at all.
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* @param io IOSystem to be used to open external files (such as the
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* log file). Pass NULL to rely on the default implementation.
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* This replaces the default #NullLogger with a #DefaultLogger instance. */
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static Logger *create(const char* name = ASSIMP_DEFAULT_LOG_NAME,
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LogSeverity severity = NORMAL,
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unsigned int defStreams = aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE,
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IOSystem* io = NULL);
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// ----------------------------------------------------------------------
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/** @brief Setup a custom #Logger implementation.
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*
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* Use this if the provided #DefaultLogger class doesn't fit into
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* your needs. If the provided message formatting is OK for you,
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* it's much easier to use #create() and to attach your own custom
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* output streams to it.
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* @param logger Pass NULL to setup a default NullLogger*/
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static void set (Logger *logger);
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// ----------------------------------------------------------------------
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/** @brief Getter for singleton instance
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* @return Only instance. This is never null, but it could be a
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* NullLogger. Use isNullLogger to check this.*/
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static Logger *get();
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// ----------------------------------------------------------------------
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/** @brief Return whether a #NullLogger is currently active
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* @return true if the current logger is a #NullLogger.
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* Use create() or set() to setup a logger that does actually do
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* something else than just rejecting all log messages. */
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static bool isNullLogger();
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// ----------------------------------------------------------------------
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/** @brief Kills the current singleton logger and replaces it with a
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* #NullLogger instance. */
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static void kill();
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// ----------------------------------------------------------------------
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/** @copydoc Logger::attachStream */
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bool attachStream(LogStream *pStream,
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unsigned int severity);
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// ----------------------------------------------------------------------
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/** @copydoc Logger::detatchStream */
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bool detatchStream(LogStream *pStream,
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unsigned int severity);
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private:
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// ----------------------------------------------------------------------
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/** @briefPrivate construction for internal use by create().
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* @param severity Logging granularity */
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explicit DefaultLogger(LogSeverity severity);
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// ----------------------------------------------------------------------
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/** @briefDestructor */
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~DefaultLogger();
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/** @brief Logs debug infos, only been written when severity level VERBOSE is set */
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void OnDebug(const char* message);
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/** @brief Logs an info message */
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void OnInfo(const char* message);
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/** @brief Logs a warning message */
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void OnWarn(const char* message);
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/** @brief Logs an error message */
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void OnError(const char* message);
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// ----------------------------------------------------------------------
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/** @brief Writes a message to all streams */
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void WriteToStreams(const char* message, ErrorSeverity ErrorSev );
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// ----------------------------------------------------------------------
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/** @brief Returns the thread id.
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* @note This is an OS specific feature, if not supported, a
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* zero will be returned.
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*/
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unsigned int GetThreadID();
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private:
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// Aliases for stream container
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typedef std::vector<LogStreamInfo*> StreamArray;
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typedef std::vector<LogStreamInfo*>::iterator StreamIt;
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typedef std::vector<LogStreamInfo*>::const_iterator ConstStreamIt;
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//! only logging instance
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static Logger *m_pLogger;
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static NullLogger s_pNullLogger;
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//! Attached streams
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StreamArray m_StreamArray;
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bool noRepeatMsg;
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char lastMsg[MAX_LOG_MESSAGE_LENGTH*2];
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size_t lastLen;
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};
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// ------------------------------------------------------------------------------------
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} // Namespace Assimp
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#endif // !! INCLUDED_AI_DEFAULTLOGGER
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