124 lines
5.6 KiB
C
124 lines
5.6 KiB
C
/* BSD 3-Clause License
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*
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* Copyright © 2008-2022, Jice and the libtcod contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LIBTCOD_LOGGING_H_
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#define LIBTCOD_LOGGING_H_
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#include "config.h"
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#include "error.h"
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typedef enum TCOD_LogLevel {
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TCOD_LOG_DEBUG = 10,
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TCOD_LOG_INFO = 20,
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TCOD_LOG_WARNING = 30,
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TCOD_LOG_ERROR = 40,
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TCOD_LOG_CRITICAL = 50,
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} TCOD_LogLevel;
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/***************************************************************************
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@brief Information being logged, this is a temporary object which doesn't last longer than the logging callbacks.
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This struct will not contain NULL character pointers.
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\rst
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.. versionadded:: 1.19
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\endrst
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*/
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typedef struct TCOD_LogMessage {
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const char* message; // Message that was logged.
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int level; // The log level, usually one of TCOD_LogLevel.
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const char* source; // Source file of the logged message, usually __FILE__.
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int lineno; // Source line of the logged message, usually __LINE__.
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} TCOD_LogMessage;
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/***************************************************************************
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@brief A callback for logger listeners.
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*/
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typedef void (*TCOD_LoggingCallback)(const TCOD_LogMessage* message, void* userdata);
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/***************************************************************************
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@brief Set the level of messages being logged.
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@param level Should be one of the levels from TCOD_LogLevel.
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\rst
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.. versionadded:: 1.19
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\endrst
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*/
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TCODLIB_API void TCOD_set_log_level(int level);
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/***************************************************************************
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@brief Sets a callback for libtcod's logged output.
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@param callback A `TCOD_LoggingCallback` function which processes `TCOD_LogMessage*` parameters.
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Can be NULL to disable logging.
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@param userdata Userdata to be passed to the log function.
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\rst
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.. versionadded:: 1.19
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\endrst
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*/
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TCODLIB_API void TCOD_set_log_callback(TCOD_LoggingCallback callback, void* userdata);
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/***************************************************************************
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@brief Log a message without formatting. This function is provisional.
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@param msg The message to log.
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@param level The log level of this message.
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@param source The source file of this message, should be __FILE__, may be NULL.
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@param line The source line of this message, should be __LINE__.
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*/
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TCODLIB_API void TCOD_log_verbose_(const char* msg, int level, const char* source, int line);
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/***************************************************************************
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@brief Log a formatted message. This function is provisional.
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@param level The log level of this message.
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@param source The source file of this message, should be __FILE__, may be NULL.
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@param line The source line of this message, should be __LINE__.
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@param fmt The message format string.
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@param ... Variable arguments for the format.
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*/
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TCODLIB_FORMAT(4, 5)
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TCODLIB_API void TCOD_log_verbose_fmt_(int level, const char* source, int line, const char* fmt, ...);
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// All of these are for internal use.
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#define TCOD_log_debug_f(fmt, ...) TCOD_log_verbose_fmt_(TCOD_LOG_DEBUG, __FILE__, __LINE__, (fmt), __VA_ARGS__)
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#define TCOD_log_info_f(fmt, ...) TCOD_log_verbose_fmt_(TCOD_LOG_DEBUG, __FILE__, __LINE__, (fmt), __VA_ARGS__)
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#define TCOD_log_warning_f(fmt, ...) TCOD_log_verbose_fmt_(TCOD_LOG_DEBUG, __FILE__, __LINE__, (fmt), __VA_ARGS__)
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#define TCOD_log_error_f(fmt, ...) TCOD_log_verbose_fmt_(TCOD_LOG_DEBUG, __FILE__, __LINE__, (fmt), __VA_ARGS__)
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#define TCOD_log_critical_f(fmt, ...) TCOD_log_verbose_fmt_(TCOD_LOG_DEBUG, __FILE__, __LINE__, (fmt), __VA_ARGS__)
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#define TCOD_log_debug(msg) TCOD_log_verbose_((msg), TCOD_LOG_DEBUG, __FILE__, __LINE__)
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#define TCOD_log_info(msg) TCOD_log_verbose_((msg), TCOD_LOG_DEBUG, __FILE__, __LINE__)
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#define TCOD_log_warning(msg) TCOD_log_verbose_((msg), TCOD_LOG_DEBUG, __FILE__, __LINE__)
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#define TCOD_log_error(msg) TCOD_log_verbose_((msg), TCOD_LOG_DEBUG, __FILE__, __LINE__)
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#define TCOD_log_critical(msg) TCOD_log_verbose_((msg), TCOD_LOG_DEBUG, __FILE__, __LINE__)
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // LIBTCOD_LOGGING_H_
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