code. compile. run. debug. share.
/******************************************************************************
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Code, Compile, Run and Debug C program online.
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*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "parsing.h"
int main()
{
int col = 0, row = 0;
char *test = "1.0,2.0;3.0,4.0;";
split_result *res1;
split_result *res2;
char *tmp;
res1 = split_exec(test, ";");
for (int row = 0; row < split_getcount(res1); row++)
{
tmp = split_getvalue(res1, row);
if (strlen(tmp) > 0)
{
res2 = split_exec(tmp, ",");
for (int col = 0; col < split_getcount(res2); col++)
{
printf("%s\t", split_getvalue(res2, col));
}
split_clear(res2);
printf("\n");
}
}
split_clear(res1);
return 0;
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "parsing.h"
split_result *split_exec(char *str, char *separator)
{
split_result *res = NULL;
res = (split_result *)malloc(sizeof(split_result));
memset(res, 0, sizeof(split_result));
int length = strlen(str);
res->buffer = malloc(length + 1);
memcpy(res->buffer, str, length);
res->buffer[length] = '\0';
int seplen = strlen(separator);
for (int i = 0; *(str + i) != '\0'; i++)
{
if (strncmp(str + i, separator, seplen) == 0)
{
res->count++;
i += (seplen - 1);
}
}
if (res->count > 0)
{
res->shifts = (int *)malloc(sizeof(int) * res->count);
}
for (int i = 0, j = 0; *(res->buffer + i) != '\0'; i++)
{
if (strncmp(str + i, separator, seplen) == 0)
{
*(res->buffer + i) = '\0';
i += seplen - 1;
*(res->shifts + j) = i + 1;
j++;
}
}
return res;
}
char *split_getvalue(split_result *res, int index)
{
static char *nan = "";
if (index > res->count)
{
return nan;
}
else if (index == 0)
{
return res->buffer;
}
else
{
return res->buffer + *(res->shifts + index - 1);
}
}
int split_getcount(split_result *res)
{
return res->count + 1;
}
void split_clear(split_result *res)
{
free(res->buffer);
if (res->shifts != NULL)
{
free(res->shifts);
}
free(res);
}
#ifndef _PARSING_H_
#define _PARSING_H_
typedef struct split_result_
{
char *buffer;
int count; //separator count
int *shifts;
} split_result;
split_result *split_exec(char *str, char *separator);
int split_getcount(split_result *res);
char *split_getvalue(split_result *res, int index);
void split_clear(split_result *res);
#endif
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