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Z3D/include/util/extra_arx_parsers.hpp
2024-12-22 16:58:40 +01:00

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#pragma once
#include <string_view>
#include <optional>
#include <charconv>
#include <glm/glm.hpp>
namespace extra_arx_parsers {
template<int Count, typename T, glm::qualifier Q>
requires (Count > 0)
[[nodiscard]] inline std::optional<glm::vec<Count, T>> glm_vec(const std::string_view& str) {
glm::vec<Count, T, Q> vec{};
auto it = str.cbegin();
for (int i = 0; i < Count; i++) {
const auto [ptr, ec] = std::from_chars(it, str.cend(), vec[i], std::chars_format::general);
if (ec != std::errc()) {
return std::nullopt;
}
it = ptr + 1; // skip space in between components
}
if (it < str.cend()) {
return std::nullopt;
}
return vec;
}
}