381 lines
11 KiB
C++
381 lines
11 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development 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 following
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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 Development 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.cpp
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* @brief Implementation of DefaultLogger (and Logger)
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*/
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#include "AssimpPCH.h"
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#include "DefaultIOSystem.h"
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// Default log streams
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#include "Win32DebugLogStream.h"
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#include "StdOStreamLogStream.h"
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#include "FileLogStream.h"
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namespace Assimp {
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// ----------------------------------------------------------------------------------
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NullLogger DefaultLogger::s_pNullLogger;
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Logger *DefaultLogger::m_pLogger = &DefaultLogger::s_pNullLogger;
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// ----------------------------------------------------------------------------------
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// Represents a logstream + its error severity
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struct LogStreamInfo
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{
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unsigned int m_uiErrorSeverity;
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LogStream *m_pStream;
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// Constructor
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LogStreamInfo( unsigned int uiErrorSev, LogStream *pStream ) :
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m_uiErrorSeverity( uiErrorSev ),
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m_pStream( pStream )
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{
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// empty
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}
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// Destructor
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~LogStreamInfo()
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{
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// empty
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}
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};
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// ----------------------------------------------------------------------------------
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// Construct a default log stream
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LogStream* LogStream::createDefaultStream(DefaultLogStreams streams,
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const char* name /*= "AssimpLog.txt"*/,
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IOSystem* io /*= NULL*/)
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{
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switch (streams)
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{
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// This is a platform-specific feature
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case DLS_DEBUGGER:
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#ifdef WIN32
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return new Win32DebugLogStream();
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#else
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return NULL;
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#endif
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// Platform-independent default streams
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case DLS_CERR:
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return new StdOStreamLogStream(std::cerr);
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case DLS_COUT:
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return new StdOStreamLogStream(std::cout);
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case DLS_FILE:
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return (name && *name ? new FileLogStream(name,io) : NULL);
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default:
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// We don't know this default log stream, so raise an assertion
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ai_assert(false);
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};
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// For compilers without dead code path detection
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return NULL;
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}
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// ----------------------------------------------------------------------------------
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// Creates the only singleton instance
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Logger *DefaultLogger::create(const char* name /*= "AssimpLog.txt"*/,
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LogSeverity severity /*= NORMAL*/,
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unsigned int defStreams /*= DLS_DEBUGGER | DLS_FILE*/,
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IOSystem* io /*= NULL*/)
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{
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if (m_pLogger && !isNullLogger() )
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delete m_pLogger;
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m_pLogger = new DefaultLogger( severity );
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// Attach default log streams
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// Stream the log to the MSVC debugger?
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if (defStreams & DLS_DEBUGGER)
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m_pLogger->attachStream( LogStream::createDefaultStream(DLS_DEBUGGER));
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// Stream the log to COUT?
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if (defStreams & DLS_COUT)
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m_pLogger->attachStream( LogStream::createDefaultStream(DLS_COUT));
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// Stream the log to CERR?
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if (defStreams & DLS_CERR)
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m_pLogger->attachStream( LogStream::createDefaultStream(DLS_CERR));
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// Stream the log to a file
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if (defStreams & DLS_FILE && name && *name)
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m_pLogger->attachStream( LogStream::createDefaultStream(DLS_FILE,name,io));
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return m_pLogger;
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}
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// ----------------------------------------------------------------------------------
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void Logger::debug(const std::string &message) {
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ai_assert(message.length()<=Logger::MAX_LOG_MESSAGE_LENGTH);
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return OnDebug(message.c_str());
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}
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// ----------------------------------------------------------------------------------
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void Logger::info(const std::string &message) {
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ai_assert(message.length()<=Logger::MAX_LOG_MESSAGE_LENGTH);
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return OnInfo(message.c_str());
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}
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// ----------------------------------------------------------------------------------
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void Logger::warn(const std::string &message) {
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ai_assert(message.length()<=Logger::MAX_LOG_MESSAGE_LENGTH);
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return OnWarn(message.c_str());
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}
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// ----------------------------------------------------------------------------------
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void Logger::error(const std::string &message) {
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ai_assert(message.length()<=Logger::MAX_LOG_MESSAGE_LENGTH);
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return OnError(message.c_str());
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}
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// ----------------------------------------------------------------------------------
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void DefaultLogger::set( Logger *logger )
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{
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if (!logger)logger = &s_pNullLogger;
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if (m_pLogger && !isNullLogger() )
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delete m_pLogger;
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DefaultLogger::m_pLogger = logger;
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}
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// ----------------------------------------------------------------------------------
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bool DefaultLogger::isNullLogger()
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{
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return m_pLogger == &s_pNullLogger;
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}
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// ----------------------------------------------------------------------------------
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// Singleton getter
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Logger *DefaultLogger::get()
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{
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return m_pLogger;
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}
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// ----------------------------------------------------------------------------------
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// Kills the only instance
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void DefaultLogger::kill()
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{
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if (m_pLogger != &s_pNullLogger)return;
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delete m_pLogger;
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m_pLogger = &s_pNullLogger;
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}
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// ----------------------------------------------------------------------------------
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// Debug message
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void DefaultLogger::OnDebug( const char* message )
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{
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if ( m_Severity == Logger::NORMAL )
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return;
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char msg[MAX_LOG_MESSAGE_LENGTH*2];
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::sprintf(msg,"Debug, T%i: %s", GetThreadID(), message );
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WriteToStreams( msg, Logger::DEBUGGING );
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}
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// ----------------------------------------------------------------------------------
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// Logs an info
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void DefaultLogger::OnInfo( const char* message )
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{
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char msg[MAX_LOG_MESSAGE_LENGTH*2];
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::sprintf(msg,"Info, T%i: %s", GetThreadID(), message );
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WriteToStreams( msg , Logger::INFO );
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}
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// ----------------------------------------------------------------------------------
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// Logs a warning
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void DefaultLogger::OnWarn( const char* message )
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{
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char msg[MAX_LOG_MESSAGE_LENGTH*2];
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::sprintf(msg,"Warn, T%i: %s", GetThreadID(), message );
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WriteToStreams( msg, Logger::WARN );
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}
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// ----------------------------------------------------------------------------------
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// Logs an error
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void DefaultLogger::OnError( const char* message )
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{
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char msg[MAX_LOG_MESSAGE_LENGTH*2];
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::sprintf(msg,"Error, T%i: %s", GetThreadID(), message );
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WriteToStreams( msg, Logger::ERR );
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}
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// ----------------------------------------------------------------------------------
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// Severity setter
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void DefaultLogger::setLogSeverity( LogSeverity log_severity )
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{
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m_Severity = log_severity;
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}
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// ----------------------------------------------------------------------------------
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// Attachs a new stream
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void DefaultLogger::attachStream( LogStream *pStream, unsigned int severity )
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{
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if (!pStream)
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return;
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// fix (Aramis)
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if (0 == severity)
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{
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severity = Logger::INFO | Logger::ERR | Logger::WARN | Logger::DEBUGGING;
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}
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for ( StreamIt it = m_StreamArray.begin();
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it != m_StreamArray.end();
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++it )
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{
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if ( (*it)->m_pStream == pStream )
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{
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(*it)->m_uiErrorSeverity |= severity;
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return;
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}
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}
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LogStreamInfo *pInfo = new LogStreamInfo( severity, pStream );
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m_StreamArray.push_back( pInfo );
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}
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// ----------------------------------------------------------------------------------
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// Detatch a stream
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void DefaultLogger::detatchStream( LogStream *pStream, unsigned int severity )
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{
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if (!pStream)
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return;
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// fix (Aramis)
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if (0 == severity)
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{
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severity = Logger::INFO | Logger::ERR | Logger::WARN | Logger::DEBUGGING;
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}
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for ( StreamIt it = m_StreamArray.begin();
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it != m_StreamArray.end();
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++it )
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{
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if ( (*it)->m_pStream == pStream )
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{
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(*it)->m_uiErrorSeverity &= ~severity;
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if ( (*it)->m_uiErrorSeverity == 0 )
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{
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m_StreamArray.erase( it );
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break;
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}
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}
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}
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}
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// ----------------------------------------------------------------------------------
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// Constructor
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DefaultLogger::DefaultLogger(LogSeverity severity)
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: m_Severity ( severity )
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, noRepeatMsg (false)
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, lastLen( 0 )
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{
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lastMsg[0] = '\0';
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}
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// ----------------------------------------------------------------------------------
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// Destructor
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DefaultLogger::~DefaultLogger()
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{
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for ( StreamIt it = m_StreamArray.begin(); it != m_StreamArray.end(); ++it )
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delete *it;
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}
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// ----------------------------------------------------------------------------------
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// Writes message to stream
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void DefaultLogger::WriteToStreams(const char *message,
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ErrorSeverity ErrorSev )
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{
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ai_assert(NULL != message);
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// Check whether this is a repeated message
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if (! ::strncmp( message,lastMsg, lastLen-1))
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{
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if (!noRepeatMsg)
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{
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noRepeatMsg = true;
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message = "Skipping one or more lines with the same contents\n";
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}
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else return;
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}
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else
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{
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// append a new-line character to the message to be printed
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lastLen = ::strlen(message);
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::memcpy(lastMsg,message,lastLen+1);
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::strcat(lastMsg+lastLen,"\n");
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message = lastMsg;
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noRepeatMsg = false;
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++lastLen;
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}
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for ( ConstStreamIt it = m_StreamArray.begin();
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it != m_StreamArray.end();
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++it)
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{
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if ( ErrorSev & (*it)->m_uiErrorSeverity )
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(*it)->m_pStream->write( message);
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}
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}
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// ----------------------------------------------------------------------------------
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// Returns thread id, if not supported only a zero will be returned.
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unsigned int DefaultLogger::GetThreadID()
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{
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// fixme: we can get this value via boost::threads
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#ifdef WIN32
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return (unsigned int)::GetCurrentThreadId();
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#else
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return 0; // not supported
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#endif
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}
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// ----------------------------------------------------------------------------------
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} // !namespace Assimp
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