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miscfunctions: move configStringToInt to std::expected

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This commit is contained in:
Vaxry 2024-11-18 23:53:38 +00:00
parent 936dfedbad
commit 47a1650c48
8 changed files with 106 additions and 72 deletions
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37
src/helpers/MiscFunctions.cpp
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@ -691,15 +691,15 @@ int64_t getPPIDof(int64_t pid) {
#endif
}
int64_t configStringToInt(const std::string& VALUE) {
auto parseHex = [](const std::string& value) -> int64_t {
std::expected<int64_t, std::string> configStringToInt(const std::string& VALUE) {
auto parseHex = [](const std::string& value) -> std::expected<int64_t, std::string> {
try {
size_t position;
auto result = stoll(value, &position, 16);
if (position == value.size())
return result;
} catch (const std::exception&) {}
throw std::invalid_argument("invalid hex " + value);
return std::unexpected("invalid hex " + value);
};
if (VALUE.starts_with("0x")) {
// Values with 0x are hex
@ -718,18 +718,25 @@ int64_t configStringToInt(const std::string& VALUE) {
auto b = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
uint8_t a = 0;
if (!r || !g || !b)
return std::unexpected("failed parsing " + VALUEWITHOUTFUNC);
try {
a = std::round(std::stof(trim(rolling.substr(0, rolling.find(',')))) * 255.f);
} catch (std::exception& e) { throw std::invalid_argument("failed parsing " + VALUEWITHOUTFUNC); }
} catch (std::exception& e) { return std::unexpected("failed parsing " + VALUEWITHOUTFUNC); }
return a * (Hyprlang::INT)0x1000000 + r * (Hyprlang::INT)0x10000 + g * (Hyprlang::INT)0x100 + b;
return a * (Hyprlang::INT)0x1000000 + *r * (Hyprlang::INT)0x10000 + *g * (Hyprlang::INT)0x100 + *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 (*RGBA >> 8) + 0x1000000 * (*RGBA & 0xFF);
}
throw std::invalid_argument("rgba() expects length of 8 characters (4 bytes) or 4 comma separated values");
return std::unexpected("rgba() expects length of 8 characters (4 bytes) or 4 comma separated values");
} else if (VALUE.starts_with("rgb(") && VALUE.ends_with(')')) {
const auto VALUEWITHOUTFUNC = trim(VALUE.substr(4, VALUE.length() - 5));
@ -744,12 +751,16 @@ int64_t configStringToInt(const std::string& VALUE) {
rolling = rolling.substr(rolling.find(',') + 1);
auto b = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
return (Hyprlang::INT)0xFF000000 + r * (Hyprlang::INT)0x10000 + g * (Hyprlang::INT)0x100 + b;
if (!r || !g || !b)
return std::unexpected("failed parsing " + VALUEWITHOUTFUNC);
return (Hyprlang::INT)0xFF000000 + *r * (Hyprlang::INT)0x10000 + *g * (Hyprlang::INT)0x100 + *b;
} else if (VALUEWITHOUTFUNC.length() == 6) {
return parseHex(VALUEWITHOUTFUNC) + 0xFF000000;
auto r = parseHex(VALUEWITHOUTFUNC);
return r ? *r + 0xFF000000 : r;
}
throw std::invalid_argument("rgb() expects length of 6 characters (3 bytes) or 3 comma separated values");
return std::unexpected("rgb() expects length of 6 characters (3 bytes) or 3 comma separated values");
} else if (VALUE.starts_with("true") || VALUE.starts_with("on") || VALUE.starts_with("yes")) {
return 1;
} else if (VALUE.starts_with("false") || VALUE.starts_with("off") || VALUE.starts_with("no")) {
@ -757,14 +768,14 @@ int64_t configStringToInt(const std::string& VALUE) {
}
if (VALUE.empty() || !isNumber(VALUE, false))
throw std::invalid_argument("cannot parse \"" + VALUE + "\" as an int.");
return std::unexpected("cannot parse \"" + VALUE + "\" as an int.");
try {
const auto RES = std::stoll(VALUE);
return RES;
} catch (std::exception& e) { throw std::invalid_argument(std::string{"stoll threw: "} + e.what()); }
} catch (std::exception& e) { return std::unexpected(std::string{"stoll threw: "} + e.what()); }
return 0;
return std::unexpected("parse error");
}
Vector2D configStringToVector2D(const std::string& VALUE) {