AAssSelector.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//
// Created by alex2 on 31.12.2020.
//
 
#pragma once
 
#include <AUI/Common/AVector.h>
#include <AUI/Util/kAUI.h>
#include <type_traits>
#include <utility>
 
class AView;
class AAssHelper;
 
namespace ass {
 
   class API_AUI_VIEWS IAssSubSelector {
   public:
       virtual bool isPossiblyApplicable(AView* view) = 0;
       virtual bool isStateApplicable(AView* view);
       virtual void setupConnections(AView* view, const _<AAssHelper>& helper);
       virtual ~IAssSubSelector() = default;
   };
 
   class API_AUI_VIEWS AAssSelector final: public IAssSubSelector {
   private:
       AVector<_<IAssSubSelector>> mSubSelectors;
 
       template<typename SubSelector, std::enable_if_t<!std::is_pointer_v<SubSelector>, bool> = true>
       void processSubSelector(SubSelector&& subSelector) {
           mSubSelectors << _new<SubSelector>(std::forward<SubSelector>(subSelector));
       }
 
       template<typename SubSelector, std::enable_if_t<std::is_pointer_v<SubSelector>, bool> = true>
       void processSubSelector(SubSelector&& subSelector) {
           mSubSelectors << _<IAssSubSelector>(subSelector);
       }
 
       template<typename SubSelector, typename...SubSelectors>
       void processSubSelectors(SubSelector&& subSelector, SubSelectors&&... subSelectors) {
           processSubSelector(std::forward<SubSelector>(subSelector));
           processSubSelectors(std::forward<SubSelectors>(subSelectors)...);
       }
 
       void processSubSelectors() {}
 
   public:
       template<typename...SubSelectors>
       AAssSelector(SubSelectors&&... subSelectors) {
           processSubSelectors(std::forward<SubSelectors>(subSelectors)...);
       }
       AAssSelector(AAssSelector&& move) noexcept: mSubSelectors(std::move(move.mSubSelectors)) {
 
       }
       explicit AAssSelector(std::nullptr_t) {}
       AAssSelector(const AAssSelector&) = default;
 
       ~AAssSelector() {
           mSubSelectors.clear();
       }
 
       AAssSelector& operator=(const AAssSelector& c) = default;
 
       bool isPossiblyApplicable(AView* view) const {
           for (const auto& s : mSubSelectors) {
               if (s->isPossiblyApplicable(view)) {
                   return true;
               }
           }
           return false;
       }
 
       bool isPossiblyApplicable(AView* view) override {
           return constMe()->isPossiblyApplicable(view);
       }
 
       bool isStateApplicable(AView* view) const {
           for (const auto& s : mSubSelectors) {
               if (s->isStateApplicable(view)) {
                   return true;
               }
           }
           return false;
       }
       bool isStateApplicable(AView* view) override {
           return constMe()->isStateApplicable(view);
       }
       void setupConnections(AView* view, const _<AAssHelper>& helper) const;
       void setupConnections(AView* view, const _<AAssHelper>& helper) override {
           constMe()->setupConnections(view, helper);
       }
       template<typename SubSelector, std::enable_if_t<!std::is_pointer_v<SubSelector>, bool> = true>
       void addSubSelector(SubSelector&& subSelector) {
           processSubSelector(std::forward<SubSelector>(subSelector));
       }
 
       [[nodiscard]]
       const AVector<_<IAssSubSelector>>& getSubSelectors() const {
           return mSubSelectors;
       }
 
       static AAssSelector makeCopy(const AAssSelector& from) {
           AAssSelector result;
           result.mSubSelectors = from.mSubSelectors;
           return result;
       }
 
   private:
       const AAssSelector* constMe() {
           // NOLINTNEXTLINE(*-const-cast)
           return const_cast<const AAssSelector*>(this);
       }
   };

   using sel = AAssSelector;
}

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