1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/logger.cc	Sun Aug 24 09:41:24 2014 +0300
     1.3 @@ -0,0 +1,118 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdarg.h>
     1.6 +#include "logger.h"
     1.7 +
     1.8 +#if defined(unix) || defined(__unix__) || defined(__APPLE__)
     1.9 +#include <unistd.h>
    1.10 +#elif defined(WIN32)
    1.11 +#include <windows.h>
    1.12 +#endif
    1.13 +
    1.14 +enum { LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_FATAL, LOG_DEBUG };
    1.15 +
    1.16 +static int typecolor(int type);
    1.17 +
    1.18 +static FILE *fp = stdout;
    1.19 +
    1.20 +static void logmsg(int type, const char *fmt, va_list ap)
    1.21 +{
    1.22 +#if defined(unix) || defined(__unix__) || (defined(__APPLE__) && !defined(TARGET_IPHONE))
    1.23 +	if(isatty(fileno(fp)) && type != LOG_INFO) {
    1.24 +		int c = typecolor(type);
    1.25 +		fprintf(fp, "\033[%dm", c);
    1.26 +		vfprintf(fp, fmt, ap);
    1.27 +		fprintf(fp, "\033[0m");
    1.28 +	} else
    1.29 +#endif
    1.30 +	{
    1.31 +		vfprintf(fp, fmt, ap);
    1.32 +	}
    1.33 +	if(type == LOG_ERROR || type == LOG_FATAL || type == LOG_DEBUG) {
    1.34 +		fflush(fp);
    1.35 +	}
    1.36 +
    1.37 +#ifdef WIN32
    1.38 +	if(type == LOG_FATAL) {
    1.39 +		static char msgbuf[1024];
    1.40 +		vsnprintf(msgbuf, sizeof msgbuf - 1, fmt, ap);
    1.41 +		msgbuf[sizeof msgbuf - 1] = 0;
    1.42 +		MessageBox(0, msgbuf, "Fatal error", MB_OK | MB_ICONSTOP);
    1.43 +	}
    1.44 +#endif
    1.45 +}
    1.46 +
    1.47 +void info_log(const char *fmt, ...)
    1.48 +{
    1.49 +	va_list ap;
    1.50 +
    1.51 +	va_start(ap, fmt);
    1.52 +	logmsg(LOG_INFO, fmt, ap);
    1.53 +	va_end(ap);
    1.54 +}
    1.55 +
    1.56 +void warning_log(const char *fmt, ...)
    1.57 +{
    1.58 +	va_list ap;
    1.59 +
    1.60 +	va_start(ap, fmt);
    1.61 +	logmsg(LOG_WARNING, fmt, ap);
    1.62 +	va_end(ap);
    1.63 +}
    1.64 +
    1.65 +void error_log(const char *fmt, ...)
    1.66 +{
    1.67 +	va_list ap;
    1.68 +
    1.69 +	va_start(ap, fmt);
    1.70 +	logmsg(LOG_ERROR, fmt, ap);
    1.71 +	va_end(ap);
    1.72 +}
    1.73 +
    1.74 +void fatal_log(const char *fmt, ...)
    1.75 +{
    1.76 +	va_list ap;
    1.77 +
    1.78 +	va_start(ap, fmt);
    1.79 +	logmsg(LOG_FATAL, fmt, ap);
    1.80 +	va_end(ap);
    1.81 +}
    1.82 +
    1.83 +void debug_log(const char *fmt, ...)
    1.84 +{
    1.85 +	va_list ap;
    1.86 +
    1.87 +	va_start(ap, fmt);
    1.88 +	logmsg(LOG_DEBUG, fmt, ap);
    1.89 +	va_end(ap);
    1.90 +}
    1.91 +
    1.92 +enum {
    1.93 +	BLACK = 0,
    1.94 +	RED,
    1.95 +	GREEN,
    1.96 +	YELLOW,
    1.97 +	BLUE,
    1.98 +	MAGENTA,
    1.99 +	CYAN,
   1.100 +	WHITE
   1.101 +};
   1.102 +
   1.103 +#define ANSI_FGCOLOR(x)	(30 + (x))
   1.104 +#define ANSI_BGCOLOR(x)	(40 + (x))
   1.105 +
   1.106 +static int typecolor(int type)
   1.107 +{
   1.108 +	switch(type) {
   1.109 +	case LOG_ERROR:
   1.110 +		return ANSI_FGCOLOR(RED);
   1.111 +	case LOG_FATAL:
   1.112 +		return ANSI_FGCOLOR(RED);	// TODO differentiate from LOG_ERROR
   1.113 +	case LOG_WARNING:
   1.114 +		return ANSI_FGCOLOR(YELLOW);
   1.115 +	case LOG_DEBUG:
   1.116 +		return ANSI_FGCOLOR(MAGENTA);
   1.117 +	default:
   1.118 +		break;
   1.119 +	}
   1.120 +	return 37;
   1.121 +}