dictionary.hpp

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// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2023 NeoFOAM authors
#pragma once
 
#include <unordered_map>
#include <any>
#include <string>
#include <vector>
 
#include "NeoFOAM/core/demangle.hpp"
 
namespace NeoFOAM
{
 
void logOutRange(
    const std::out_of_range& e,
    const std::string& key,
    const std::unordered_map<std::string, std::any>& data
);
 
class Dictionary
{
public:
 
    Dictionary() = default;
 
    Dictionary(const std::unordered_map<std::string, std::any>& keyValuePairs);
 
    Dictionary(const std::initializer_list<std::pair<std::string, std::any>>& initList);
 
    void insert(const std::string& key, const std::any& value);
 
    [[nodiscard]] bool contains(const std::string& key) const;
 
    void remove(const std::string& key);
 
    [[nodiscard]] std::any& operator[](const std::string& key);
 
    [[nodiscard]] const std::any& operator[](const std::string& key) const;
 
    template<typename T>
    [[nodiscard]] T& get(const std::string& key)
    {
        try
        {
            return std::any_cast<T&>(operator[](key));
        }
        catch (const std::bad_any_cast& e)
        {
            logBadAnyCast<T>(e, key, data_);
            throw e;
        }
    }
 
    template<typename T>
    [[nodiscard]] const T& get(const std::string& key) const
    {
        try
        {
            return std::any_cast<const T&>(operator[](key));
        }
        catch (const std::bad_any_cast& e)
        {
            logBadAnyCast<T>(e, key, data_);
            throw e;
        }
    }
 
    [[nodiscard]] bool isDict(const std::string& key) const;
 
    Dictionary& subDict(const std::string& key);
 
    const Dictionary& subDict(const std::string& key) const;
 
    std::vector<std::string> keys() const;
 
    std::unordered_map<std::string, std::any>& getMap();
 
    const std::unordered_map<std::string, std::any>& getMap() const;
 
    bool empty() const { return data_.empty(); }
 
private:
 
    std::unordered_map<std::string, std::any> data_;
};
 
} // namespace NeoFOAM