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			377 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|   Simple DirectMedia Layer
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|   Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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| 
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|   This software is provided 'as-is', without any express or implied
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|   warranty.  In no event will the authors be held liable for any damages
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|   arising from the use of this software.
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| 
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|   Permission is granted to anyone to use this software for any purpose,
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|   including commercial applications, and to alter it and redistribute it
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|   freely, subject to the following restrictions:
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| 
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|   1. The origin of this software must not be misrepresented; you must not
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|      claim that you wrote the original software. If you use this software
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|      in a product, an acknowledgment in the product documentation would be
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|      appreciated but is not required.
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|   2. Altered source versions must be plainly marked as such, and must not be
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|      misrepresented as being the original software.
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|   3. This notice may not be removed or altered from any source distribution.
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| */
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| 
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| /**
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|  *  \file SDL_log.h
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|  *
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|  *  Simple log messages with categories and priorities.
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|  *
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|  *  By default logs are quiet, but if you're debugging SDL you might want:
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|  *
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|  *      SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN);
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|  *
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|  *  Here's where the messages go on different platforms:
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|  *      Windows: debug output stream
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|  *      Android: log output
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|  *      Others: standard error output (stderr)
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|  */
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| 
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| #ifndef SDL_log_h_
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| #define SDL_log_h_
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| 
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| #include "SDL_stdinc.h"
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| 
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| #include "begin_code.h"
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| /* Set up for C function definitions, even when using C++ */
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| 
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| /**
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|  *  \brief The maximum size of a log message
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|  *
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|  *  Messages longer than the maximum size will be truncated
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|  */
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| #define SDL_MAX_LOG_MESSAGE 4096
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| 
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| /**
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|  *  \brief The predefined log categories
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|  *
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|  *  By default the application category is enabled at the INFO level,
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|  *  the assert category is enabled at the WARN level, test is enabled
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|  *  at the VERBOSE level and all other categories are enabled at the
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|  *  CRITICAL level.
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|  */
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| typedef enum
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| {
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|     SDL_LOG_CATEGORY_APPLICATION,
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|     SDL_LOG_CATEGORY_ERROR,
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|     SDL_LOG_CATEGORY_ASSERT,
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|     SDL_LOG_CATEGORY_SYSTEM,
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|     SDL_LOG_CATEGORY_AUDIO,
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|     SDL_LOG_CATEGORY_VIDEO,
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|     SDL_LOG_CATEGORY_RENDER,
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|     SDL_LOG_CATEGORY_INPUT,
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|     SDL_LOG_CATEGORY_TEST,
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| 
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|     /* Reserved for future SDL library use */
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|     SDL_LOG_CATEGORY_RESERVED1,
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|     SDL_LOG_CATEGORY_RESERVED2,
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|     SDL_LOG_CATEGORY_RESERVED3,
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|     SDL_LOG_CATEGORY_RESERVED4,
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|     SDL_LOG_CATEGORY_RESERVED5,
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|     SDL_LOG_CATEGORY_RESERVED6,
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|     SDL_LOG_CATEGORY_RESERVED7,
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|     SDL_LOG_CATEGORY_RESERVED8,
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|     SDL_LOG_CATEGORY_RESERVED9,
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|     SDL_LOG_CATEGORY_RESERVED10,
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| 
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|     /* Beyond this point is reserved for application use, e.g.
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|        enum {
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|            MYAPP_CATEGORY_AWESOME1 = SDL_LOG_CATEGORY_CUSTOM,
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|            MYAPP_CATEGORY_AWESOME2,
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|            MYAPP_CATEGORY_AWESOME3,
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|            ...
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|        };
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|      */
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|     SDL_LOG_CATEGORY_CUSTOM
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| } SDL_LogCategory;
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| 
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| /**
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|  *  \brief The predefined log priorities
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|  */
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| typedef enum
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| {
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|     SDL_LOG_PRIORITY_VERBOSE = 1,
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|     SDL_LOG_PRIORITY_DEBUG,
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|     SDL_LOG_PRIORITY_INFO,
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|     SDL_LOG_PRIORITY_WARN,
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|     SDL_LOG_PRIORITY_ERROR,
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|     SDL_LOG_PRIORITY_CRITICAL,
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|     SDL_NUM_LOG_PRIORITIES
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| } SDL_LogPriority;
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| 
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| 
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| /**
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|  * Set the priority of all log categories.
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|  *
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|  * \param priority the SDL_LogPriority to assign
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|  *
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|  * \sa SDL_LogSetPriority
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogSetAllPriority(SDL_LogPriority priority);
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| 
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| /**
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|  * Set the priority of a particular log category.
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|  *
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|  * \param category the category to assign a priority to
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|  * \param priority the SDL_LogPriority to assign
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|  *
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|  * \sa SDL_LogGetPriority
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|  * \sa SDL_LogSetAllPriority
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogSetPriority(int category,
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|                                                 SDL_LogPriority priority);
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| 
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| /**
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|  * Get the priority of a particular log category.
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|  *
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|  * \param category the category to query
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|  * \returns the SDL_LogPriority for the requested category
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|  *
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|  * \sa SDL_LogSetPriority
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|  */
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| extern DECLSPEC SDL_LogPriority SDLCALL SDL_LogGetPriority(int category);
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| 
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| /**
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|  * Reset all priorities to default.
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|  *
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|  * This is called by SDL_Quit().
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|  *
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|  * \sa SDL_LogSetAllPriority
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|  * \sa SDL_LogSetPriority
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogResetPriorities(void);
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| 
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| /**
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|  * Log a message with SDL_LOG_CATEGORY_APPLICATION and SDL_LOG_PRIORITY_INFO.
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|  *
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|  * = * \param fmt a printf() style message format string
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|  *
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|  * \param ... additional parameters matching % tokens in the `fmt` string, if
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|  *            any
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|  *
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_Log(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_VERBOSE.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogVerbose(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_DEBUG.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogDebug(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_INFO.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogInfo(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_WARN.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogWarn(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_ERROR.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogError(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with SDL_LOG_PRIORITY_CRITICAL.
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|  *
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|  * \param category the category of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogCritical(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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| 
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| /**
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|  * Log a message with the specified category and priority.
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|  *
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|  * \param category the category of the message
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|  * \param priority the priority of the message
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|  * \param fmt a printf() style message format string
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|  * \param ... additional parameters matching % tokens in the **fmt** string,
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|  *            if any
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessageV
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogMessage(int category,
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|                                             SDL_LogPriority priority,
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|                                             SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(3);
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| 
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| /**
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|  * Log a message with the specified category and priority.
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|  *
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|  * \param category the category of the message
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|  * \param priority the priority of the message
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|  * \param fmt a printf() style message format string
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|  * \param ap a variable argument list
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|  *
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|  * \since This function is available since SDL 2.0.0.
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|  *
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|  * \sa SDL_Log
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|  * \sa SDL_LogCritical
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|  * \sa SDL_LogDebug
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|  * \sa SDL_LogError
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|  * \sa SDL_LogInfo
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|  * \sa SDL_LogMessage
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|  * \sa SDL_LogVerbose
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|  * \sa SDL_LogWarn
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogMessageV(int category,
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|                                              SDL_LogPriority priority,
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|                                              const char *fmt, va_list ap);
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| 
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| /**
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|  * The prototype for the log output callback function.
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|  *
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|  * This function is called by SDL when there is new text to be logged.
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|  *
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|  * \param userdata what was passed as `userdata` to SDL_LogSetOutputFunction()
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|  * \param category the category of the message
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|  * \param priority the priority of the message
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|  * \param message the message being output
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|  */
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| typedef void (SDLCALL *SDL_LogOutputFunction)(void *userdata, int category, SDL_LogPriority priority, const char *message);
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| 
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| /**
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|  * Get the current log output function.
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|  *
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|  * \param callback an SDL_LogOutputFunction filled in with the current log
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|  *                 callback
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|  * \param userdata a pointer filled in with the pointer that is passed to
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|  *                 `callback`
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|  *
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|  * \sa SDL_LogSetOutputFunction
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogGetOutputFunction(SDL_LogOutputFunction *callback, void **userdata);
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| 
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| /**
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|  * Replace the default log output function with one of your own.
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|  *
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|  * \param callback an SDL_LogOutputFunction to call instead of the default
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|  * \param userdata a pointer that is passed to `callback`
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|  *
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|  * \sa SDL_LogGetOutputFunction
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|  */
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| extern DECLSPEC void SDLCALL SDL_LogSetOutputFunction(SDL_LogOutputFunction callback, void *userdata);
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| 
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| 
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| /* Ends C function definitions when using C++ */
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| #ifdef __cplusplus
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| }
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| #endif
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| #include "close_code.h"
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| 
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| #endif /* SDL_log_h_ */
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| 
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| /* vi: set ts=4 sw=4 expandtab: */
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