Method validate

Source/JSON/jsoncpp.cpp:1913–1928

    valid_keys->insert("allowSpecialFloats");
}
bool CharReaderBuilder::validate(Json::Value* invalid) const {
    Json::Value my_invalid;
    if (!invalid) invalid = &my_invalid;  // so we do not need to test for NULL
    Json::Value& inv = *invalid;
    std::set<std::string> valid_keys;
    getValidReaderKeys(&valid_keys);
    Value::Members keys = settings_.getMemberNames();
    size_t n = keys.size();
    for (size_t i = 0; i < n; ++i) {
        std::string const& key = keys[i];
        if (valid_keys.find(key) == valid_keys.end()) {
            inv[key] = settings_[key];
        }
    }
    return 0u == inv.size();
}
Value& CharReaderBuilder::operator[](std::string key) {
    return settings_[key];
}