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#include "ParserUtils.hpp"
#include <hyprutils/string/String.hpp>
#include <hyprutils/string/Numeric.hpp>
#include <format>
#include <algorithm>
#include <cmath>
#include "../../../helpers/memory/Memory.hpp"
using namespace Config;
using namespace Config::ParserUtils;
using namespace Hyprutils::String;
static std::expected<uint64_t, std::string> parseHex(std::string_view value) {
auto res = value.starts_with("0x") ? strToNumber<uint64_t>(value) : strToNumber<uint64_t>(std::string{"0x"} + value);
if (!res)
return std::unexpected(std::format("invalid hex \"{}\"", value));
return *res;
}
std::expected<int64_t, std::string> ParserUtils::parseColor(std::string_view val) {
if (val.starts_with("#")) {
// parse either rgb or rgba
val = val.substr(1);
if (val.length() != 6 && val.length() != 8 && val.length() != 3)
return std::unexpected(std::format("couldn't parse \"{}\" as a color", val));
if (val.length() == 3) {
auto r = parseHex(val.substr(0, 1));
auto g = parseHex(val.substr(1, 1));
auto b = parseHex(val.substr(2, 1));
if (!r || !g || !b)
return std::unexpected(std::format("couldn't parse \"{}\" as a color (bad hex)", val));
return 0xFF000000 | ((*r | (*r << 4)) << 16) | ((*g | (*g << 4)) << 8) | (*b | (*b << 4));
}
if (val.length() == 6) {
auto r = parseHex(val.substr(0, 2));
auto g = parseHex(val.substr(2, 2));
auto b = parseHex(val.substr(4, 2));
if (!r || !g || !b)
return std::unexpected(std::format("couldn't parse \"{}\" as a color (bad hex)", val));
return 0xFF000000 | (*r << 16) | (*g << 8) | *b;
}
if (val.length() == 8) {
auto r = parseHex(val.substr(0, 2));
auto g = parseHex(val.substr(2, 2));
auto b = parseHex(val.substr(4, 2));
auto a = parseHex(val.substr(6, 2));
if (!r || !g || !b || !a)
return std::unexpected(std::format("couldn't parse \"{}\" as a color (bad hex)", val));
return (*a << 24) | (*r << 16) | (*g << 8) | *b;
}
}
if (val.starts_with("0x"))
return parseHex(val);
if (val.starts_with("rgba(") && val.ends_with(')')) {
const auto VALUEWITHOUTFUNC = trim(val.substr(5, val.length() - 6));
// try doing it the comma way first
if (std::ranges::count(VALUEWITHOUTFUNC, ',') == 3) {
// cool
std::string_view rolling = VALUEWITHOUTFUNC;
auto r = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto g = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto b = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto a = strToNumber<float>(trim(rolling.substr(0, rolling.find(','))));
if (!r || !g || !b || !a)
return std::unexpected(std::format("failed parsing \"{}\" as a color", val));
return (sc<uint64_t>(std::floor(*a * 255.F)) << 24) | (*r << 16) | (*g << 8) | *b;
} else if (VALUEWITHOUTFUNC.length() == 8) {
const auto RGBA = parseHex(VALUEWITHOUTFUNC);
if (!RGBA)
return RGBA;
// now we need to RGBA -> ARGB. The config holds ARGB only.
return (*RGBA >> 8) + (0x1000000 * (*RGBA & 0xFF));
}
return std::unexpected("rgba() expects length of 8 characters (4 bytes) or 4 comma separated values");
}
if (val.starts_with("rgb(") && val.ends_with(')')) {
const auto VALUEWITHOUTFUNC = trim(val.substr(4, val.length() - 5));
// try doing it the comma way first
if (std::ranges::count(VALUEWITHOUTFUNC, ',') == 2) {
// cool
std::string_view rolling = VALUEWITHOUTFUNC;
auto r = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto g = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto b = strToNumber<uint8_t>(trim(rolling.substr(0, rolling.find(','))));
if (!r || !g || !b)
return std::unexpected(std::format("failed parsing \"{}\" as a color", val));
return 0xFF000000 | (*r << 16) | (*g << 8) | *b;
} else if (VALUEWITHOUTFUNC.length() == 6) {
const auto r = parseHex(VALUEWITHOUTFUNC);
return r ? *r + 0xFF000000 : r;
}
return std::unexpected("rgb() expects length of 6 characters (3 bytes) or 3 comma separated values");
}
if (isNumber2(val)) {
if (const auto v = strToNumber<uint32_t>(val); v)
return *v;
}
return std::unexpected(std::format("cannot parse \"{}\" as a color", val));
}
std::expected<int64_t, std::string> ParserUtils::parseInt(std::string_view val) {
if (val.starts_with("0x"))
return parseHex(val);
if (val.starts_with("true") || val.starts_with("on") || val.starts_with("yes"))
return 1;
if (val.starts_with("false") || val.starts_with("off") || val.starts_with("no"))
return 0;
auto res = strToNumber<int64_t>(val);
if (!res)
return std::unexpected(std::format("Failed to parse \"{}\" as an integer", val));
return *res;
}
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