读书人

C++读取TXT文件有关问题。

发布时间: 2012-04-26 14:01:31 作者: rapoo

C++读取TXT文件问题。。。。。求助!
我想要读取里面的内容,其中第2列 和 第4列 有的是tab键值, 有的是空格。我想要全变成TAB键值,而且每一行都要顶格,检查每行最前面不能有空格。。 我想要做一个有扩展性的。应该先是按行读,把空格全变成TAB值,定义一个结构体按列存储到一个VECTOR中。解析出一个符合要求的TXT文件. 希望会的的哥哥们给段程序,小弟新学C++。。不胜感激!!!我QQ 1490298960,也可加QQ,可有偿回答。。!! 谢谢,着急呀!

[解决办法]
仅供参考

C/C++ code
#include <stdio.h>#include <string.h>char string[80];char seps1[3];char seps2[3];char *token;char *zzstrtok (    char *string,    const char *control1,//连续出现时视为中间夹空token    const char *control2 //连续出现时视为中间无空token    ){    unsigned char *str;    const unsigned char *ctrl1 = (const unsigned char *)control1;    const unsigned char *ctrl2 = (const unsigned char *)control2;    unsigned char map1[32],map2[32];    static char *nextoken;    static char flag=0;    unsigned char c;    int L;    memset(map1,0,32);    memset(map2,0,32);    do {        map1[*ctrl1 >> 3] |= (1 << (*ctrl1 & 7));    } while (*ctrl1++);    do {        map2[*ctrl2 >> 3] |= (1 << (*ctrl2 & 7));    } while (*ctrl2++);    if (string) {        if (control2[0]) {            L=strlen(string);            while (1) {                c=string[L-1];                if (map2[c >> 3] & (1 << (c & 7))) {                    L--;                    string[L]=0;                } else break;            }        }        if (control1[0]) {            L=strlen(string);            c=string[L-1];            if (map1[c >> 3] & (1 << (c & 7))) {                string[L]=control1[0];                string[L+1]=0;            }        }        str=(unsigned char *)string;    }    else str=(unsigned char *)nextoken;    string=(char *)str;    while (1) {        if (0==flag) {            if (!*str) break;            if (map1[*str >> 3] & (1 << (*str & 7))) {                *str=0;                str++;                break;            } else if (map2[*str >> 3] & (1 << (*str & 7))) {                string++;                str++;            } else {                flag=1;                str++;            }        } else if (1==flag) {            if (!*str) break;            if (map1[*str >> 3] & (1 << (*str & 7))) {                *str=0;                str++;                flag=0;                break;            } else if (map2[*str >> 3] & (1 << (*str & 7))) {                *str=0;                str++;                flag=2;                break;            } else str++;        } else {//2==flag            if (!*str) return NULL;            if (map1[*str >> 3] & (1 << (*str & 7))) {                str++;                string=(char *)str;                flag=0;            } else if (map2[*str >> 3] & (1 << (*str & 7))) {                str++;                string=(char *)str;            } else {                string=(char *)str;                str++;                flag=1;            }        }    }    nextoken=(char *)str;    if (string==(char *)str) return NULL;    else             return string;}void main(){   strcpy(string,"A \tstring\t\tof ,,tokens\n\nand some  more tokens, ");   strcpy(seps1,",\n");strcpy(seps2," \t");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"1234| LIYI|China | 010 |201110260000|OK");   strcpy(seps1,"|");strcpy(seps2," ");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"1234|LIYI||010|201110260000|OK");   strcpy(seps1,"");strcpy(seps2,"|");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"1234|LIYI||010|201110260000|OK");   strcpy(seps1,"|");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"a");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"a,b");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"a,,b");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",a");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,"a,");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",a,,b");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",,a,,b,,");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",,");   strcpy(seps1,",");strcpy(seps2,"");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }   strcpy(string,",,,");   strcpy(seps1,",");strcpy(seps2," ");   printf("\n[%s]\nTokens:\n",string);   token=zzstrtok(string,seps1,seps2);   while (token!=NULL) {      printf(" <%s>",token);      token=zzstrtok(NULL,seps1,seps2);   }}////[A      string          of ,,tokens////and some  more tokens,]//Tokens:// <A>, <string>, <of>, <>, <tokens>, <>, <and>, <some>, <more>, <tokens>, <>,//[1234| LIYI|China | 010 |201110260000|OK]//Tokens:// <1234>, <LIYI>, <China>, <010>, <201110260000>, <OK>,//[1234|LIYI||010|201110260000|OK]//Tokens:// <1234>, <LIYI>, <010>, <201110260000>, <OK>,//[1234|LIYI||010|201110260000|OK]//Tokens:// <1234>, <LIYI>, <>, <010>, <201110260000>, <OK>,//[a]//Tokens:// <a>,//[a,b]//Tokens:// <a>, <b>,//[a,,b]//Tokens:// <a>, <>, <b>,//[,a]//Tokens:// <>, <a>,//[a,]//Tokens:// <a>, <>,//[,a,,b]//Tokens:// <>, <a>, <>, <b>,//[,,a,,b,,]//Tokens:// <>, <>, <a>, <>, <b>, <>, <>,//[,]//Tokens:// <>, <>,//[,,]//Tokens:// <>, <>, <>,//[,,,]//Tokens:// <>, <>, <>, <>, 

读书人网 >C++

热点推荐