Property.h

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/****
 * ConfigDB/Property.h
 *
 * Copyright 2024 mikee47 <mike@sillyhouse.net>
 *
 * This file is part of the ConfigDB Library
 *
 * This library is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, version 3 or later.
 *
 * This library 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this library.
 * If not, see <https://www.gnu.org/licenses/>.
 *
 ****/
 
#pragma once
 
#include "PropertyData.h"
 
namespace ConfigDB
{
class Store;
 
class PropertyConst
{
public:
    PropertyConst() = default;
 
    PropertyConst(const Store& store, const PropertyInfo& info, const PropertyData* data)
        : propinfo(&info), store(&store), data(data)
    {
    }
 
    String getValue() const;
 
    explicit operator bool() const
    {
        return store;
    }
 
    String getJsonValue() const;
 
    const PropertyInfo& info() const
    {
        return *propinfo;
    }
 
protected:
    const PropertyInfo* propinfo{&PropertyInfo::empty};
    const Store* store{};
    const PropertyData* data{};
};
 
class Property : public PropertyConst
{
public:
    Property() = default;
 
    Property(const Store& store, const PropertyInfo& info, const PropertyData* data, const PropertyData* defaultData)
        : PropertyConst(store, info, data), defaultData(defaultData)
    {
    }
 
    bool setJsonValue(const char* value, size_t valueLength);
 
    bool setJsonValue(const String& value)
    {
        return setJsonValue(value.c_str(), value.length());
    }
 
protected:
    const PropertyData* defaultData{};
};
 
} // namespace ConfigDB