bool PropertyMap::tryGetProperty(const String8& key, bool& outValue) const {
int32_t intValue;
if (!tryGetProperty(key, intValue)) {
return false;
}
outValue = intValue;
return true;
}
bool JSDictionary::getWithUndefinedOrNullCheck(const String& propertyName, String& result) const
{
ASSERT(isValid());
JSValue value;
if (tryGetProperty(propertyName.utf8().data(), value) != PropertyFound || value.isUndefinedOrNull())
return false;
result = value.toWTFString(m_exec);
return true;
}
bool PropertyMap::tryGetProperty(const String8& key, float& outValue) const {
String8 stringValue;
if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) {
return false;
}
char* end;
float value = strtof(stringValue.string(), & end);
if (*end != '\0') {
ALOGW("Property key '%s' has invalid value '%s'. Expected a float.",
key.string(), stringValue.string());
return false;
}
outValue = value;
return true;
}
bool PropertyMap::tryGetProperty(const String8& key, int32_t& outValue) const {
String8 stringValue;
if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) {
return false;
}
char* end;
int value = strtol(c_str(stringValue), & end, 10);
if (*end != '\0') {
ALOGW("Property key '%s' has invalid value '%s'. Expected an integer.",
c_str(key), c_str(stringValue));
return false;
}
outValue = value;
return true;
}