Log.h

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/*
 * Objectively: Ultra-lightweight object oriented framework for GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <stdio.h>
 
#include <Objectively/Object.h>
 
typedef enum {
    LogLevelTrace,
    LogLevelDebug,
    LogLevelInfo,
    LogLevelWarn,
    LogLevelError,
    LogLevelFatal
} LogLevel;
 
#define LOG_FORMAT_DEFAULT "%c %%n [%%l]: %%m"
 
typedef struct Log Log;
typedef struct LogInterface LogInterface;
 
struct Log {
 
    Object object;
 
    LogInterface *interface;
 
    const char *format;
 
    FILE *file;
 
    LogLevel level;
 
    char *name;
};
 
struct LogInterface {
 
    ObjectInterface objectInterface;
 
    void (*debug)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
 
    void (*error)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
 
    void (*fatal)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
 
    void (*flush)(const Log *self);
 
    void (*info)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
 
    Log *(*init)(Log *self);
 
    Log *(*initWithName)(Log *self, const char *name);
 
    void (*log)(const Log *self, LogLevel level, const char *fmt, va_list args);
 
    Log *(*sharedInstance)(void);
 
    void (*trace)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
 
    void (*warn)(const Log *self, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
};
 
OBJECTIVELY_EXPORT Class *_Log(void);