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e6f907a155
Problem:
- Many constructors are defined as `{}` rather than using the ` =
default` compiler-provided constructor.
- Some types provide an implicit conversion operator from `nullptr_t`
instead of requiring the caller to default construct. This violates
the C++ Core Guidelines suggestion to declare single-argument
constructors explicit
(https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#c46-by-default-declare-single-argument-constructors-explicit).
Solution:
- Change default constructors to use the compiler-provided default
constructor.
- Remove implicit conversion operators from `nullptr_t` and change
usage to enforce type consistency without conversion.
113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/JsonArraySerializer.h>
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#include <AK/JsonValue.h>
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#include <AK/Vector.h>
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namespace AK {
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class JsonArray {
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public:
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JsonArray() = default;
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~JsonArray() = default;
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JsonArray(const JsonArray& other)
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: m_values(other.m_values)
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{
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}
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JsonArray(JsonArray&& other)
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: m_values(move(other.m_values))
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{
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}
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JsonArray& operator=(const JsonArray& other)
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{
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if (this != &other)
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m_values = other.m_values;
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return *this;
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}
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JsonArray& operator=(JsonArray&& other)
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{
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if (this != &other)
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m_values = move(other.m_values);
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return *this;
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}
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int size() const { return m_values.size(); }
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bool is_empty() const { return m_values.is_empty(); }
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const JsonValue& at(int index) const { return m_values.at(index); }
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const JsonValue& operator[](int index) const { return at(index); }
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void clear() { m_values.clear(); }
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void append(JsonValue value) { m_values.append(move(value)); }
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template<typename Builder>
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typename Builder::OutputType serialized() const;
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template<typename Builder>
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void serialize(Builder&) const;
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String to_string() const { return serialized<StringBuilder>(); }
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template<typename Callback>
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void for_each(Callback callback) const
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{
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for (auto& value : m_values)
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callback(value);
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}
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const Vector<JsonValue>& values() const { return m_values; }
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void ensure_capacity(int capacity) { m_values.ensure_capacity(capacity); }
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private:
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Vector<JsonValue> m_values;
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};
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template<typename Builder>
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inline void JsonArray::serialize(Builder& builder) const
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{
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JsonArraySerializer serializer { builder };
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for_each([&](auto& value) { serializer.add(value); });
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}
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template<typename Builder>
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inline typename Builder::OutputType JsonArray::serialized() const
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{
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Builder builder;
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serialize(builder);
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return builder.build();
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}
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}
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using AK::JsonArray;
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