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#include "common.h"
#include <vector>
namespace aoc2022 {
struct dir {
line_view name;
int size = 0;
dir* parent = nullptr;
std::vector<dir*> dirs = {};
int get_number(const char** pp) {
int d{0};
const char* p = *pp;
while(*p != ' ') {
d = 10 * d + *p - '0';
p++;
}
*pp = p + 1;
return d;
}
dir(line_view lv) {
const char* p = lv.line;
if (p[0] == '/') {
size = 0;
name = lv;
}
if (p[0] == 'd') {
size = 0;
name = line_view{p+4, lv.line + lv.length - 1};
}
else if (p[0] >= '0' && p[0] <= '9') {
size = get_number(&p);
name = line_view{p, lv.line + lv.length - 1};
}
}
int get_size() const noexcept {
int s{0};
s += size;
for (auto& d: dirs) {
s += d->get_size();
}
return s;
}
};
std::pair<int,int> day7(line_view file);
}
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