68 lines
No EOL
2.6 KiB
C++
68 lines
No EOL
2.6 KiB
C++
// Copyright (c) 2019, Paul Ferrand
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// All rights reserved.
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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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// 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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// 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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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include "Helpers.h"
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#include <map>
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namespace sfz {
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template <class ValueType>
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class CCMap {
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public:
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CCMap() = delete;
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CCMap(const ValueType& defaultValue)
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: defaultValue(defaultValue)
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{
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}
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CCMap(CCMap&&) = default;
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CCMap(const CCMap&) = default;
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~CCMap() = default;
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const ValueType& getWithDefault(int index) const noexcept
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{
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auto it = container.find(index);
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if (it == container.end()) {
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return defaultValue;
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} else {
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return it->second;
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}
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}
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ValueType& operator[](const int& key) noexcept
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{
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if (!contains(key))
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container.emplace(key, defaultValue);
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return container.operator[](key);
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}
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inline bool empty() const { return container.empty(); }
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const ValueType& at(int index) const { return container.at(index); }
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bool contains(int index) const noexcept { return container.find(index) != container.end(); }
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typename std::map<int, ValueType>::iterator begin() { return container.begin(); }
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typename std::map<int, ValueType>::iterator end() { return container.end(); }
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private:
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const ValueType defaultValue;
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std::map<int, ValueType> container;
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LEAK_DETECTOR(CCMap);
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};
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} |