64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/json
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//
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#include <boost/json.hpp>
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using namespace boost::json;
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class proxy
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{
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value& jv_;
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public:
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explicit
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proxy(value& jv) noexcept
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: jv_(jv)
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{
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}
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proxy
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operator[](string_view key)
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{
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object* obj;
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if(jv_.is_null())
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obj = &jv_.emplace_object();
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else
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obj = &jv_.as_object();
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return proxy((*obj)[key]);
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}
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proxy
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operator[](std::size_t index)
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{
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array *arr;
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if(jv_.is_null())
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arr = &jv_.emplace_array();
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else
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arr = &jv_.as_array();
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if(arr->size() <= index)
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arr->resize(index + 1);
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return proxy((*arr)[index]);
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}
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value&
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operator*() noexcept
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{
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return jv_;
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}
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};
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int
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main(int, char**)
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{
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value jv;
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*proxy(jv)["user:config"]["authority"]["router"][0]["users"] = 42;
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return EXIT_SUCCESS;
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}
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