散分,string处理,大家都常用哪些自定义的包装函数

意吟 2013-03-05 03:02:58
我的有

inline std::string SliceString( const std::string & strSrc, std::size_t & iPos, const char * pszToken = "\t" )
{
std::size_t iLen = strSrc.size();
if ( iPos >= iLen )
{
throw std::out_of_range( "String ReadData() failed, Pos >= Len !" );
}

std::size_t startPos = iPos;
std::size_t endPos = strSrc.find( pszToken, iPos );

// 确定当前跳至什么位置
iPos = endPos == std::string::npos ? iLen : endPos + strlen( pszToken );

return strSrc.substr( startPos, endPos - startPos );
}
...全文
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疯狂-的-蜗牛 2013-03-05
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std::string里面自带的方法足以应付平时的工作了。
赵4老师 2013-03-05
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#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:
// <>, <>, <>, <>,
图灵狗 2013-03-05
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string本身已经挺好了。

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