VTIL-Core/VTIL-Common/io/logger.cpp

// Copyright (c) 2020 Can Boluk and contributors of the VTIL Project   
// All rights reserved.   
//    
// Redistribution and use in source and binary forms, with or without   
// modification, are permitted provided that the following conditions are met: 
//    
// 1. Redistributions of source code must retain the above copyright notice,   
//    this list of conditions and the following disclaimer.   
// 2. Redistributions in binary form must reproduce the above copyright   
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//    documentation and/or other materials provided with the distribution.   
// 3. Neither the name of mosquitto nor the names of its   
//    contributors may be used to endorse or promote products derived from   
//    this software without specific prior written permission.   
//    
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE   
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE   
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR   
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// POSSIBILITY OF SUCH DAMAGE.        
//
#if _WIN64
	#define WIN32_LEAN_AND_MEAN
	#define NOMINMAX
	#include <Windows.h>
#endif
#include "logger.hpp"

namespace vtil::logger
{
	// Global logger state.
	//
	static state global_state = {};

	// Gets the global logger state.
	//
	state* state::get()
	{
		if ( !global_state.initialized )
		{
#if _WIN64
			SetConsoleOutputCP( CP_UTF8 );
#endif
			global_state.initialized = true;
		}

		return &global_state;
	}

	// Changes color where possible.
	//
	void set_color( console_color color )
	{
#if _WIN64
		SetConsoleTextAttribute( GetStdHandle( STD_OUTPUT_HANDLE ), color );
#else
		switch ( color )
		{
			case CON_BRG: printf( "\x1b[37m" ); break;
			case CON_YLW: printf( "\x1b[33m" ); break;
			case CON_PRP: printf( "\x1b[35m" ); break;
			case CON_RED: printf( "\x1b[31m" ); break;
			case CON_CYN: printf( "\x1b[36m" ); break;
			case CON_GRN: printf( "\x1b[32m" ); break;
			case CON_BLU: printf( "\x1b[34m" ); break;
			case CON_DEF: printf( "\x1b[0m" ); break;
		}
#endif
	}
};