#ifndef STRARR_H
#define STRARR_H
#include <stddef.h>
#include <string.h>
#include <stdlib.h>


typedef struct strarr {
	char *data;  /* the underlying data */
	size_t len;  /* the amount of string entries */
	size_t used; /* the total bytes used of the capacity for the strings, incl NULL */
	size_t cap;  /* the total bytes allocated to the buffer, incl NULL */
} strarr;

void 
strarr_init_empty(strarr *sa, size_t cap)
{
	sa->len = 0;
	sa->used = 0;
	sa->cap = cap;
	sa->data = (char*) malloc(cap);
}

void 
strarr_init_from_str_split(strarr *sa, const char *str, char del) 
{
	size_t len = strlen(str);
	char* data = (char*) malloc(len + 1); /* include the NULL terminator */
	sa->data = data;
	sa->cap = len + 1;
	memcpy(sa->data, str, len);

	/* There are at minimum one entries. */
	sa->len = 1;

	/* Swap all `del` for '\0'. */
	for (size_t i = 0; i < sa->cap; ++i) {
		if (sa->data[i] == del) {
			sa->data[i] = '\0';
			sa->len++;
		}
	}
	

	
}


/* Copy string into strarr, appending it in the process. */
void 
strarr_app(strarr *sa, char *str)
{
	size_t len = strlen(str);
	strcpy(&sa->data[sa->used], str);

	sa->len++;
	sa->used += len;
	sa->cap += len;
	
}



#endif