#include "slice.h"
#include <string.h>
#include <stdio.h>

Slice
slice_write(Slice slice)
{
	for (int i = slice.begin; i < slice.end; i++)
		putchar(slice.str[i]);
	return slice;
}

Slice
slice_print(Slice slice)
{
	putchar('"');
	slice_write(slice);
	putchar('"');
	putchar('\n');
	return slice;
}

Slice
slice_from_str(char *str)
{
	if (str == NULL)
		return (Slice){ NULL, 0, 0 };
	return (Slice){ str, 0, strlen(str) };
}

Slice
slice_sub(Slice src, int begin, int end)
{
	return (Slice){ src.str, begin, end };
}

int
slice_equal(Slice s0, Slice s1)
{
	if (s0.end - s0.begin != s1.end - s1.begin)
		return 0;
	return 0 ==
	       strncmp(s0.str + s0.begin, s1.str + s1.begin, s0.end - s0.begin);
}