235 lines
8.8 KiB
C++
235 lines
8.8 KiB
C++
/*
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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
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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 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 Logger.h
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* @brief Abstract base class 'Logger', base of the logging system.
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*/
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#ifndef INCLUDED_AI_LOGGER_H
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#define INCLUDED_AI_LOGGER_H
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#include "aiTypes.h"
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namespace Assimp {
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class LogStream;
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// Maximum length of a log message. Longer messages are rejected.
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#define MAX_LOG_MESSAGE_LENGTH 1024u
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// ----------------------------------------------------------------------------------
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/** @brief CPP-API: Abstract interface for logger implementations.
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* Assimp provides a default implementation and uses it for almost all
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* logging stuff ('DefaultLogger'). This class defines just basic logging
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* behaviour and is not of interest for you. Instead, take a look at #DefaultLogger. */
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class ASSIMP_API Logger
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: public Intern::AllocateFromAssimpHeap {
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public:
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// ----------------------------------------------------------------------
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/** @enum LogSeverity
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* @brief Log severity to describe the granularity of logging.
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*/
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enum LogSeverity
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{
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NORMAL, //!< Normal granularity of logging
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VERBOSE //!< Debug infos will be logged, too
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};
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// ----------------------------------------------------------------------
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/** @enum ErrorSeverity
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* @brief Description for severity of a log message.
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*
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* Every LogStream has a bitwise combination of these flags.
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* A LogStream doesn't receive any messages of a specific type
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* if it doesn't specify the corresponding ErrorSeverity flag.
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*/
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enum ErrorSeverity
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{
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DEBUGGING = 1, //!< Debug log message
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INFO = 2, //!< Info log message
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WARN = 4, //!< Warn log message
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ERR = 8 //!< Error log message
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};
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public:
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/** @brief Virtual destructor */
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virtual ~Logger();
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// ----------------------------------------------------------------------
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/** @brief Writes a debug message
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* @param message Debug message*/
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void debug(const std::string &message);
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// ----------------------------------------------------------------------
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/** @brief Writes a info message
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* @param message Info message*/
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void info(const std::string &message);
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// ----------------------------------------------------------------------
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/** @brief Writes a warning message
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* @param message Warn message*/
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void warn(const std::string &message);
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// ----------------------------------------------------------------------
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/** @brief Writes an error message
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* @param message Error message*/
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void error(const std::string &message);
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// ----------------------------------------------------------------------
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/** @brief Set a new log severity.
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* @param log_severity New severity for logging*/
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void setLogSeverity(LogSeverity log_severity);
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// ----------------------------------------------------------------------
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/** @brief Get the current log severity*/
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LogSeverity getLogSeverity() const;
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// ----------------------------------------------------------------------
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/** @brief Attach a new logstream
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*
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* The logger takes ownership of the stream and is responsible
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* for its destruction (which is done when the logger itself
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* is destroyed). Call detachStream to detach a stream and to
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* gain ownership of it again.
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* @param pStream Logstream to attach
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* @param severity Message filter, specified which types of log
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* messages are dispatched to the stream. Provide a bitwise
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* combination of the ErrorSeverity flags.
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* @return true if the stream has been attached, false otherwise.*/
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virtual bool attachStream(LogStream *pStream,
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unsigned int severity = DEBUGGING | ERR | WARN | INFO) = 0;
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// ----------------------------------------------------------------------
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/** @brief Detach a still attached stream from the logger (or
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* modify the filter flags bits)
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* @param pStream Logstream instance for detaching
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* @param severity Provide a bitwise combination of the ErrorSeverity
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* flags. This value is &~ed with the current flags of the stream,
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* if the result is 0 the stream is detached from the Logger and
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* the caller retakes the possession of the stream.
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* @return true if the stream has been dettached, false otherwise.*/
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virtual bool detatchStream(LogStream *pStream,
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unsigned int severity = DEBUGGING | ERR | WARN | INFO) = 0;
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protected:
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/** Default constructor */
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Logger();
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/** Construction with a given log severity */
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Logger(LogSeverity severity);
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// ----------------------------------------------------------------------
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/** @brief Called as a request to write a specific debug message
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* @param message Debug message. Never longer than
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* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
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* @note The message string is only valid until the scope of
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* the function is left.
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*/
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virtual void OnDebug(const char* message)= 0;
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// ----------------------------------------------------------------------
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/** @brief Called as a request to write a specific info message
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* @param message Info message. Never longer than
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* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
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* @note The message string is only valid until the scope of
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* the function is left.
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*/
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virtual void OnInfo(const char* message) = 0;
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// ----------------------------------------------------------------------
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/** @brief Called as a request to write a specific warn message
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* @param message Warn message. Never longer than
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* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
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* @note The message string is only valid until the scope of
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* the function is left.
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*/
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virtual void OnWarn(const char* essage) = 0;
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// ----------------------------------------------------------------------
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/** @brief Called as a request to write a specific error message
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* @param message Error message. Never longer than
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* MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
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* @note The message string is only valid until the scope of
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* the function is left.
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*/
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virtual void OnError(const char* message) = 0;
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protected:
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//! Logger severity
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LogSeverity m_Severity;
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};
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// ----------------------------------------------------------------------------------
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// Default constructor
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inline Logger::Logger() {
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setLogSeverity(NORMAL);
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}
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// ----------------------------------------------------------------------------------
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// Virtual destructor
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inline Logger::~Logger()
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{
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}
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// ----------------------------------------------------------------------------------
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// Construction with given logging severity
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inline Logger::Logger(LogSeverity severity) {
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setLogSeverity(severity);
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}
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// ----------------------------------------------------------------------------------
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// Log severity setter
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inline void Logger::setLogSeverity(LogSeverity log_severity){
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m_Severity = log_severity;
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}
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// ----------------------------------------------------------------------------------
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// Log severity getter
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inline Logger::LogSeverity Logger::getLogSeverity() const {
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return m_Severity;
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}
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// ----------------------------------------------------------------------------------
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} // Namespace Assimp
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#endif // !! INCLUDED_AI_LOGGER_H
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