bool WindowFeatures::boolFeature(const DialogFeaturesMap& features, const char* key, bool defaultValue)
{
DialogFeaturesMap::const_iterator it = features.find(key);
if (it == features.end())
return defaultValue;
const String& value = it->value;
return value.isNull() || value == "1" || value == "yes" || value == "on";
}
static Optional<bool> boolFeature(const DialogFeaturesMap& features, const char* key)
{
auto it = features.find(key);
if (it == features.end())
return Nullopt;
auto& value = it->value;
return value.isNull()
|| value == "1"
|| equalLettersIgnoringASCIICase(value, "yes")
|| equalLettersIgnoringASCIICase(value, "on");
}
int WindowFeatures::intFeature(const DialogFeaturesMap& features, const char* key, int min, int max, int defaultValue)
{
DialogFeaturesMap::const_iterator it = features.find(key);
if (it == features.end())
return defaultValue;
bool ok;
int parsedNumber = it->value.toInt(&ok);
if (!ok)
return defaultValue;
if (parsedNumber < min || max <= min)
return min;
if (parsedNumber > max)
return max;
return parsedNumber;
}
float WindowFeatures::floatFeature(const DialogFeaturesMap& features, const char* key, float min, float max, float defaultValue)
{
DialogFeaturesMap::const_iterator it = features.find(key);
if (it == features.end())
return defaultValue;
// FIXME: The toDouble function does not offer a way to tell "0q" from string with no digits in it: Both
// return the number 0 and false for ok. But "0q" should yield the minimum rather than the default.
bool ok;
double parsedNumber = it->value.toDouble(&ok);
if ((!parsedNumber && !ok) || std::isnan(parsedNumber))
return defaultValue;
if (parsedNumber < min || max <= min)
return min;
if (parsedNumber > max)
return max;
// FIXME: Seems strange to cast a double to int and then convert back to a float. Why is this a good idea?
return static_cast<int>(parsedNumber);
}