@@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2023 Robin Lindén <dev@robinlinden.eu>
// SPDX-FileCopyrightText: 2023-2024 Robin Lindén <dev@robinlinden.eu>
//
// SPDX-License-Identifier: BSD-2-Clause
@@ -8,6 +8,7 @@
#include "util/from_chars.h"
#include "util/string.h"
#include <cassert>
#include <charconv>
#include <iterator>
#include <limits>
@@ -77,6 +78,20 @@ public:
return std::nullopt;
}
auto value_str = s.substr(value_start);
if (feature_name == "width" || feature_name == "min-width" || feature_name == "max-width") {
return parse_width(feature_name, value_str);
}
return std::nullopt;
}
constexpr bool evaluate(Context const &ctx) const {
return std::visit([&](auto const &q) { return q.evaluate(ctx); }, query);
}
private:
static std::optional<MediaQuery> parse_width(std::string_view feature_name, std::string_view value_str) {
float value{};
auto value_parse_res = util::from_chars(value_str.data(), value_str.data() + value_str.size(), value);
if (value_parse_res.ec != std::errc{}) {
@@ -101,16 +116,8 @@ public:
return MediaQuery{Width{.max = static_cast<int>(value)}};
}
if (feature_name == "width") {
return MediaQuery{Width{.min = static_cast<int>(value), .max = static_cast<int>(value)}};
}
// ...and we only handle the width features.
return std::nullopt;
}
constexpr bool evaluate(Context const &ctx) const {
return std::visit([&](auto const &q) { return q.evaluate(ctx); }, query);
assert(feature_name == "width");
return MediaQuery{Width{.min = static_cast<int>(value), .max = static_cast<int>(value)}};
}
};