git上发现一个很有趣的代码
这段代码非常有趣。可以给printf上色，纯属娱乐，不过非常好玩。在这记录一下。
/*----------------------------------------------
File: printfc.hh -- printf with color
Date: 2014/2/24 16:52:35
Author: js2854@gmail.com
----------------------------------------------*/
#ifndef __PRINTFC_H__
#define __PRINTFC_H__
#include <stdio.h>
#define MAX_STR_LEN 2048
#ifndef WIN32
#include <stdarg.h> //vsnprintf,va_start,va_end
#include <string.h> //strok
const typedef enum _ForeColor
{
FG_BLACK = 30, //黑色
FG_RED = 31, //红色
FG_GREEN = 32, //绿色
FG_YELLOW = 33, //黄色
FG_BLUE = 34, //蓝色
FG_PURPLE = 35, //紫色
FG_DARKGREEN = 36, //深绿色
FG_WHITE = 37, //白色
}ForeColor;
const typedef enum _BackColor
{
BG_BLACK = 40, //黑色
BG_DARKRED = 41, //深红色
BG_GREEN = 42, //绿色
BG_YELLOW = 43, //黄色
BG_BLUE = 44, //蓝色
BG_PURPLE = 45, //紫色
BG_DARKGREEN = 46, //深绿色
BG_WHITE = 47, //白色
}BackColor;
#else
#include <windows.h>
const typedef enum _ForeColor
{
FG_BLACK = 0, //黑色
FG_RED = FOREGROUND_INTENSITY | FOREGROUND_RED, //红色
FG_GREEN = FOREGROUND_INTENSITY | FOREGROUND_GREEN, //绿色
FG_YELLOW = FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN, //黄色
FG_BLUE = FOREGROUND_INTENSITY | FOREGROUND_BLUE, //蓝色
FG_PURPLE = FOREGROUND_RED | FOREGROUND_BLUE, //紫色
FG_DARKGREEN = FOREGROUND_GREEN, //深绿色
FG_WHITE = FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, //白色
}ForeColor;
const typedef enum _BackColor
{
BG_BLACK = 0, //黑色
BG_DARKRED = BACKGROUND_RED, //深红色
BG_GREEN = BACKGROUND_INTENSITY | BACKGROUND_GREEN, //绿色
BG_YELLOW = BACKGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN, //黄色
BG_BLUE = BACKGROUND_INTENSITY | BACKGROUND_BLUE, //蓝色
BG_PURPLE = BACKGROUND_RED | BACKGROUND_BLUE, //紫色
BG_DARKGREEN = BACKGROUND_GREEN, //深绿色
BG_WHITE = BACKGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE, //白色
}BackColor;
#endif
int printfc(ForeColor fc, const char* format_str, ...)
{
int len = 0;
#ifndef WIN32
printf("\e[%dm", fc);
#else
CONSOLE_SCREEN_BUFFER_INFO oldInfo = {0};
HANDLE hStd = ::GetStdHandle(STD_OUTPUT_HANDLE);
if (hStd != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(hStd, &oldInfo))
{
SetConsoleTextAttribute(hStd, fc);
#endif
va_list p_list;
va_start(p_list, format_str);
len = vprintf(format_str, p_list);
va_end(p_list);
#ifndef WIN32
printf("\e[0m");//关闭所有属性
#else
SetConsoleTextAttribute(hStd, oldInfo.wAttributes);
}
#endif
return len;
}
int printfc(ForeColor fc, BackColor bc, const char* format_str, ...)
{
int len = 0;
#ifndef WIN32
static char text = {0};
memset(text, 0, sizeof(text));
va_list p_list;
va_start(p_list, format_str);
len = vsnprintf(text, sizeof(text), format_str, p_list);
va_end(p_list);
const char *split = "\n";
char *p = strtok(text, split);
bool last_is_lf = (text == '\n');
while(p != NULL)
{
printf("\e[%d;%dm%s\e[0m", fc, bc, p);
p = strtok(NULL, split);
if (p != NULL || last_is_lf) printf("\n");
}
#else
CONSOLE_SCREEN_BUFFER_INFO oldInfo = {0};
HANDLE hStd = ::GetStdHandle(STD_OUTPUT_HANDLE);
if (hStd != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(hStd, &oldInfo))
{
SetConsoleTextAttribute(hStd, fc|bc);
va_list p_list;
va_start(p_list, format_str);
len = vprintf(format_str, p_list);
va_end(p_list);
SetConsoleTextAttribute(hStd, oldInfo.wAttributes);
}
#endif
return len;
}
#endif //__PRINTFC_H__
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