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70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2023, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#pragma once
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#include <boost/json/conversion.hpp>
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#include <boost/json/kind.hpp>
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#include <boost/json/value.hpp>
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#include <boost/json/value_to.hpp>
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#include <stdexcept>
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namespace rpc {
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/**
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* @brief A wrapper around bool that allows to convert from any JSON value
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*/
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struct JsonBool {
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bool value = false;
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operator bool() const
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{
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return value;
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}
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};
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inline JsonBool
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tag_invoke(boost::json::value_to_tag<JsonBool> const&, boost::json::value const& jsonValue)
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{
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switch (jsonValue.kind()) {
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case boost::json::kind::null:
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return JsonBool{false};
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case boost::json::kind::bool_:
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return JsonBool{jsonValue.as_bool()};
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case boost::json::kind::uint64:
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[[fallthrough]];
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case boost::json::kind::int64:
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return JsonBool{jsonValue.as_int64() != 0};
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case boost::json::kind::double_:
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return JsonBool{jsonValue.as_double() != 0.0};
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case boost::json::kind::string:
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// Also should be `jsonValue.as_string() != "false"` but rippled doesn't do
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// that. Anyway for v2 api we have bool validation
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return JsonBool{!jsonValue.as_string().empty() && jsonValue.as_string()[0] != 0};
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case boost::json::kind::array:
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return JsonBool{!jsonValue.as_array().empty()};
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case boost::json::kind::object:
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return JsonBool{!jsonValue.as_object().empty()};
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}
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throw std::runtime_error("Invalid json value");
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}
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} // namespace rpc
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