QStringList Json::getStringList(const QString &path, const QJsonObject &fromNode) const {
QStringList result;
QJsonArray array = getJsonValue(path, fromNode).toArray();
for (QJsonArray::const_iterator iter = array.begin(); iter != array.end(); ++iter) {
QJsonValue value = *iter;
result << value.toString();
}
return result;
}
clan::JsonValue& JSONReader::getJsonValue(std::string const &path, clan::JsonValue& root)
{
if (path.empty()) return root;
auto const end = path.find_first_of('.');
auto const ind = path.find_first_of('[');
bool has_dot = end != std::string::npos;
bool has_array = ind != std::string::npos;
bool parse_array = has_array && (has_dot ? (ind < end) : true);
// Get member with the `part' identifer
std::string parsed_part = path.substr(0, end);
std::string member_part = path.substr(0, parse_array ? ind : end);
auto node = root.get_members().find(member_part);
if (node == root.get_members().end())
throw std::out_of_range("Could not find member '" + member_part + "'");
if (parse_array)
{
if (node->second.is_array() == false)
throw new clan::JsonException("Member '" + member_part + "' is not an array.");
auto ind_end = parsed_part.find_first_of(']');
if (ind_end == std::string::npos)
throw new clan::JsonException("Expected closing bracket ']' in '" + parsed_part + "'.");
if (ind_end <= ind)
throw new clan::JsonException("Unexpected ']' in '" + parsed_part + "'.");
std::string ind_part = parsed_part.substr(ind + 1, ind_end - 2);
if (ind_part.empty())
throw new clan::JsonException("Index enumerator in '" + parsed_part + "' is empty.");
auto member = (node->second.get_items())[std::stoul(ind_part)];
return has_dot ? getJsonValue(path.substr(end + 1), member) : member;
}
return has_dot ? getJsonValue(path.substr(end + 1), node->second) : node->second;
}
QString QVariantMapToString(QVariantMap& data)
{
QString json;
bool first = true;
json = "{";
QMapIterator<QString, QVariant> i(data);
while (i.hasNext()) {
i.next();
json += (first ? "" : ", ") + QString("\"%1\": %2").arg(i.key()).arg(getJsonValue(i.value().toString()));
if (first) first = false;
}
json += "}";
return json;
}
int Json::getInt(const QString &path, int def, const QJsonObject &fromNode) const {
return getJsonValue(path, fromNode).toInt(def);
}
QJsonObject Json::getJsonObject(const QString &path, const QJsonObject &fromNode) const {
return getJsonValue(path, fromNode).toObject();
}
QString Json::getString(const QString &path, const QString &def, const QJsonObject &fromNode) const {
return getJsonValue(path, fromNode).toString(def);
}
double Json::getDouble(const QString &path, double def, const QJsonObject &fromNode) const {
return getJsonValue(path, fromNode).toDouble(def);
}
bool Json::getBool(const QString &path, bool def, const QJsonObject &fromNode) const {
return getJsonValue(path, fromNode).toBool(def);
}
