testmarkbuilder.h

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/*
 * Copyright (C) 2019 Ondrej Starek
 *
 * This file is part of OTest2.
 *
 * OTest2 is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OTest2 is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with OTest2.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef OTest2__INCLUDE_OTEST2_TESTMARKBUILDER_H_
#define OTest2__INCLUDE_OTEST2_TESTMARKBUILDER_H_
 
#include <assert.h>
#include <cstdint>
#include <memory>
#include <string>
 
#include <otest2/testmarkhashcode.h>
#include <otest2/testmarkptr.h>
#include <otest2/utils.h>
 
namespace OTest2 {
 
class TestMarkBuilder {
  private:
    struct Impl;
    Impl* pimpl;
 
  public:
    TestMarkBuilder();
 
    ~TestMarkBuilder();
 
    /* -- avoid copying */
    TestMarkBuilder(
        const TestMarkBuilder&) = delete;
    TestMarkBuilder& operator =(
        const TestMarkBuilder&) = delete;
 
  private:
    class Container {
      public:
        virtual ~Container() = default;
        virtual void append(
            const std::string& key_,
            TestMarkPtr mark_) = 0;
        virtual TestMark* getMark() = 0;
        virtual TestMarkHashCode getHashCode() const = 0;
    };
 
    template<typename ContainerMark_>
    class OrderedContainer : public Container {
      private:
        std::unique_ptr<ContainerMark_> container;
 
      public:
        explicit OrderedContainer(
            std::unique_ptr<ContainerMark_>&& container_) :
          container(std::move(container_)) {
 
        }
        virtual void append(
            const std::string& key_,
            TestMarkPtr mark_) {
          assert(key_.empty() && mark_ != nullptr);
          container->append(mark_);
        }
        virtual TestMark* getMark() {
          return container.release();
        }
        virtual TestMarkHashCode getHashCode() const {
          return container->getHashCode();
        }
 
    };
 
    template<typename ContainerMark_>
    class UnorderedContainer : public Container {
      private:
        std::unique_ptr<ContainerMark_> container;
 
      public:
        explicit UnorderedContainer(
            std::unique_ptr<ContainerMark_>&& container_) :
          container(std::move(container_)) {
 
        }
        virtual void append(
            const std::string& key_,
            TestMarkPtr mark_) {
          assert(!key_.empty() && mark_ != nullptr);
          container->append(key_, mark_);
        }
        virtual TestMark* getMark() {
          return container.release();
        }
        virtual TestMarkHashCode getHashCode() const {
          return container->getHashCode();
        }
    };
 
    template<typename ContainerMark_>
    std::unique_ptr<Container> createContainer(
        std::unique_ptr<ContainerMark_>&& container_,
        void (ContainerMark_::*)(TestMarkPtr)) {
      return ::OTest2::make_unique<OrderedContainer<ContainerMark_> >(
          std::move(container_));
    }
 
    template<typename ContainerMark_>
    std::unique_ptr<Container> createContainer(
        std::unique_ptr<ContainerMark_>&& container_,
        void (ContainerMark_::*)(const std::string&, TestMarkPtr)) {
      return ::OTest2::make_unique<UnorderedContainer<ContainerMark_> >(
          std::move(container_));
    }
 
    void openContainerImpl(
        std::unique_ptr<Container>&& container_);
 
  public:
    void setKey(
        const std::string& key_);
 
    void appendMark(
        TestMarkPtr mark_);
 
    void appendNull();
 
    void appendBool(
        bool value_);
 
    void appendInt(
        int64_t value_);
 
    void appendFloat(
        long double value_);
 
    void appendString(
        const std::string& value_);
 
    template<typename ContainerMark_>
    void openContainer(
        std::unique_ptr<ContainerMark_>&& container_) {
      assert(container_ != nullptr);
      openContainerImpl(
          createContainer(std::move(container_), &ContainerMark_::append));
    }
 
    void openList();
 
    void openList(
        const std::string& prefix_);
 
    void openMap();
 
    void openMap(
        const std::string& prefix_);
 
    void closeContainer();
 
    TestMarkPtr stealMark() const;
};
 
} /* namespace OTest2 */
 
#endif /* OTest2__INCLUDE_OTEST2_TESTMARKBUILDER_H_ */