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计数器

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求一个数是第几个排列数
乱代码之右三角

代码整理器

Star posted @ 2010年8月06日 23:55 in C语言 with tags c 转换 , 6128 阅读
/*Neat Code v0.1 author:star date:2010
没有经过优化和维护,一次写成版本。为了方便地整理排版乱的代码。
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void NeatSpace(FILE *fin, FILE *fout);		//格式化空格字符
int  NeatType(FILE *fin, FILE *fout);		//格式化缩进
void Putlevel(FILE *out, int lv);			//输出缩进

int main(int argc, char *argv[])
{
	FILE *fin, *fout;
	char buf[255]= "t_";
	int  ErrorCode;

	if(1 == argc)
	{
		printf("Neat Code v0.1 -- star\n\n");
		printf("整理成Star喜欢的代码样式。\n");		
		printf("Usage:\nNeatCode source [destination]\n\n");
		printf(" source         指定要整理的文件。\n");		
		printf(" [destination]  可生成的目标文件。\n\n");	
		printf("如果没有输入目标文件,将会生成默认的。\n");					
	}
	else
		if(2 == argc)
		{
			if(!(fin = fopen(argv[1], "r")))
			{
				printf("错误001 - 无法打开%s文件。", argv[1]);
				return EXIT_FAILURE;
			}
			fout = fopen("~TEMP.NTC", "w");
			NeatSpace(fin, fout);
			fclose(fin);fclose(fout);
			fin = fopen("~TEMP.NTC", "r");
			strncpy(buf+2, argv[1], 253);
			if(!(fout = fopen(buf, "w")))
			{
				printf("错误002 - 创建%s文件失败。", buf);
				return EXIT_FAILURE;
			}
			ErrorCode = NeatType(fin, fout);
			fclose(fin);fclose(fout);
			system("del ~TEMP.NTC");
			if(ErrorCode) printf("错误005 - 所格式化的代码不标准 代码%d。", ErrorCode);
			else printf("成功执行!");
		}
		else
			if(3 == argc)
			{
				if(!(fin = fopen(argv[1], "r")))
				{
					printf("错误001 - 无法打开%s文件。", argv[1]);
					return EXIT_FAILURE;
				}
				fout = fopen("~TEMP.NTC", "w");
				NeatSpace(fin, fout);
				fclose(fin);fclose(fout);
				fin = fopen("~TEMP.NTC", "r");
				if(!(fout = fopen(argv[2], "w")))
				{
					printf("错误003 - 创建新的%s文件失败。", argv[2]);
					return EXIT_FAILURE; 
				}
				ErrorCode = NeatType(fin, fout);
				fclose(fin);fclose(fout);
				system("del ~TEMP.NTC");
				if(ErrorCode) printf("错误005 - 所格式化的代码不标准 代码%d。", ErrorCode);
				else printf("成功执行!");
			}else
			{
				printf("错误004 - 无效的命令。");
			}

			return EXIT_SUCCESS;
}

void NeatSpace(FILE *fin, FILE *fout)
{
	char ch = fgetc(fin);
	short cflag = 1;

	while(!feof(fin))
	{
		if(ch == '/' &&  fputc(ch, fout) && (ch=fgetc(fin)))
		{
			if(ch == '/' && fputc(ch, fout))
				while((ch=fgetc(fin)) != '\n') fputc(ch, fout);
			else if(ch == '*' && fputc(ch, fout))
				while((ch=fgetc(fin)) != '/') fputc(ch, fout);
		}
		if(ch == '\n' && (cflag = 1) && fputc(ch, fout))
		{
			ch = fgetc(fin);
			while(!feof(fin) && ch == '\n' || ch == ' ' || ch == '\t') ch = fgetc(fin);
			continue;
		}
		if(ch == ' ' || ch == '\t')
		{
			if(cflag == 0) fputc(ch, fout);
			while(ch == ' ' || ch == '\t') ch = fgetc(fin);
			continue;
		}
		else
		{
			if (ch != '{') cflag = 0;
			do{fputc(ch, fout);ch = fgetc(fin);}
			while(ch != '\n' && ch != ' ' && ch != '\t');
		}
	}
}

int NeatType(FILE *fin, FILE *fout)
{
	char ch = fgetc(fin);
	short IsTop = 1;
	signed int level = 0;

	if(ch == '\n') ch = fgetc(fin);
	while(!feof(fin))
	{
		while(ch != '\n' && ch != '{' && ch != '}')
		{
			IsTop = 0;
			fputc(ch, fout);
			ch = fgetc(fin);
		}
		if(ch == '\n' && (IsTop = 1))
		{
			fputc(ch, fout);
			ch = fgetc(fin);
			if(ch != '}')
				Putlevel(fout, level);
		}else
			if(ch == '{')
			{
				++level;
				if(!IsTop) fputc('\n', fout);				
				while(ch = fgetc(fin))
					if(ch == ' ' || ch == '\t');
					else if(ch == '\n') {fputc('{', fout);break;}
					else
					{
						Putlevel(fout, level-1);
						fputc('{', fout);
						fputc('\n', fout);
						break;
					}
				Putlevel(fout, level);				
			}else
				if(ch == '}')
				{
					--level;
					if(!IsTop) fputc('\n', fout);
					Putlevel(fout, level);
					fputc('}', fout);
					ch = fgetc(fin);
				}		
	}
	return level;
}

void Putlevel(FILE *out, int lv)
{
	if(lv > 0)
		while(lv--) fputc('\t', out);
}

上次不小心删了,再发一次吧。

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