King_DuckZ
b3b77d5cad
It's almost always 0, it's only filled when bitcoinity replies with a "trade" data, other jsons don't give any time stamps
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/* Copyright 2022, Michele Santullo
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* This file is part of duckticker.
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*
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* Wrenpp is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Wrenpp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with duckticker. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <simdjson.h>
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#include <string_view>
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#include <cstdint>
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namespace duck {
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namespace detail {
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template <typename As, typename Key, typename... Keys>
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inline std::optional<As> get_from_node(simdjson::ondemand::object& node, Key&& key, Keys&&... keys) {
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auto item_result = node[key];
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if (item_result.error())
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return {};
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else {
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if constexpr (sizeof...(Keys) > 0) {
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simdjson::ondemand::object item = item_result;
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return get_from_node<As>(item, std::forward<Keys>(keys)...);
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}
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else {
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return static_cast<As>(item_result);
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}
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}
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}
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} //namespace detail
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class BitcoinityPayload {
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public:
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static constexpr std::string_view JsonKeyPayload = "payload";
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BitcoinityPayload(
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simdjson::padded_string&& body_p,
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simdjson::ondemand::parser&& parser_p
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);
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BitcoinityPayload(BitcoinityPayload&& other);
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BitcoinityPayload& operator= (BitcoinityPayload&& other);
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template <typename As, typename... Keys>
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std::optional<As> get (Keys&&... keys) const {
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return detail::get_from_node<As>(m_payload_node, std::forward<Keys>(keys)...);
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}
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template <typename... Keys>
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std::optional<std::string_view> get_string (Keys&&... keys) const {
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return this->get<std::string_view>(std::forward<Keys>(keys)...);
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}
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template <typename... Keys>
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std::optional<double> get_double (Keys&&... keys) const {
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return this->get<double>(std::forward<Keys>(keys)...);
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}
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template <typename... Keys>
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std::string_view get_string_or_empty (Keys&&... keys) const {
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auto retval = this->get_string(std::forward<Keys>(keys)...);
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if (retval)
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return *retval;
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else
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return {};
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}
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template <typename... Keys>
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std::optional<std::uint64_t> get_uint64 (Keys&&... keys) const {
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return this->get<std::uint64_t>(std::forward<Keys>(keys)...);
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}
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template <typename... Keys>
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bool has_key (Keys&&... keys) const {
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return !!this->get<simdjson::ondemand::object>(std::forward<Keys>(keys)...);
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}
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private:
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simdjson::padded_string m_body;
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mutable simdjson::ondemand::parser m_parser;
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mutable simdjson::ondemand::document m_document;
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mutable simdjson::ondemand::object m_payload_node;
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};
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} //namespace duck
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