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Small input utility.

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Bert Peters
2019-12-14 19:50:56 +01:00
parent 5ce69e4dff
commit 6d388b068b
2 changed files with 22 additions and 12 deletions
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15
2019/src/day12.cpp
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@@ -1,7 +1,6 @@
#include <iostream>
#include <numeric>
#include <vector>
#include <regex>
#include "days.hpp"
#include "point.hpp"
@@ -12,18 +11,10 @@ namespace {
std::vector<point_t> read_moons(std::istream &input) {
std::vector<point_t> moons;
std::regex regex(R"(^<x=(-?\d+), y=(-?\d+), z=(-?\d+)>$)");
std::smatch results;
point_t moon;
for (std::string buffer; std::getline(input, buffer);) {
if (!std::regex_match(buffer, results, regex)) {
throw std::domain_error(buffer);
}
point_t moon;
for (int i = 0; i < 3; ++i) from_chars(results[i + 1].str(), moon[i]);
moons.emplace_back(moon);
while (aoc2019::read_line_numbers_and_garbage<int>(input, moon.begin())) {
moons.push_back(moon);
}
return moons;