Schema.h

/*
 * Copyright (c) 2015 Pavel Vainerman.
 *
 * This program 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, version 2.1.
 *
 * This program 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
// --------------------------------------------------------------------------
#ifndef Schema_H_
#define Schema_H_
// --------------------------------------------------------------------------
#include <memory>
#include <unordered_map>
#include "Element.h"
#include "Schema.h"
// --------------------------------------------------------------------------
namespace uniset
{
// --------------------------------------------------------------------------
class Schema
{
    public:
        Schema();
        virtual ~Schema();

        std::shared_ptr<Element> manage( std::shared_ptr<Element> el );

        void remove( std::shared_ptr<Element> el );

        void link( Element::ElementID rootID, Element::ElementID childID, int numIn );
        void unlink( Element::ElementID rootID, Element::ElementID childID );
        void extlink( const std::string& name, Element::ElementID childID, int numIn );

        void setIn( Element::ElementID ID, int inNum, bool state );
        bool getOut( Element::ElementID ID );

        struct INLink;
        struct EXTLink;
        struct EXTOut;

        typedef std::unordered_map<Element::ElementID, std::shared_ptr<Element>> ElementMap;
        typedef std::list<INLink> InternalList;
        typedef std::list<EXTLink> ExternalList;
        typedef std::list<EXTOut> OutputsList;

        // map iterator
        typedef ElementMap::const_iterator iterator;
        inline Schema::iterator begin()
        {
            return emap.begin();
        }
        inline Schema::iterator end()
        {
            return emap.end();
        }
        inline int size()
        {
            return emap.size();
        }
        inline bool empty()
        {
            return emap.empty();
        }

        // int. list iterator
        typedef InternalList::const_iterator INTiterator;
        inline Schema::INTiterator intBegin()
        {
            return inLinks.begin();
        }
        inline Schema::INTiterator intEnd()
        {
            return inLinks.end();
        }
        inline int intSize()
        {
            return inLinks.size();
        }
        inline bool intEmpty()
        {
            return inLinks.empty();
        }

        // ext. list iterator
        typedef ExternalList::const_iterator EXTiterator;
        inline Schema::EXTiterator extBegin()
        {
            return extLinks.begin();
        }
        inline Schema::EXTiterator extEnd()
        {
            return extLinks.end();
        }
        inline int extSize()
        {
            return extLinks.size();
        }
        inline bool extEmpty()
        {
            return extLinks.empty();
        }

        // ext. out iterator
        typedef OutputsList::const_iterator OUTiterator;
        inline Schema::OUTiterator outBegin()
        {
            return outList.begin();
        }
        inline Schema::OUTiterator outEnd()
        {
            return outList.end();
        }
        inline int outSize()
        {
            return outList.size();
        }
        inline bool outEmpty()
        {
            return outList.empty();
        }

        // find
        std::shared_ptr<Element> find(Element::ElementID id);
        std::shared_ptr<Element> findExtLink(const std::string& name);
        std::shared_ptr<Element> findOut(const std::string& name);

        // -----------------------------------------------
        // внутренее соединения
        // между элементами
        struct INLink
        {
            INLink(std::shared_ptr<Element> f, std::shared_ptr<Element> t, int ni):
                numInput(ni) {}
            INLink(): numInput(0) {}

            std::shared_ptr<Element> from;
            std::shared_ptr<Element> to;
            int numInput;
        };

        // внешнее соединение
        // что-то на вход элемента
        struct EXTLink
        {
            EXTLink( const std::string& n, std::shared_ptr<Element> t, int ni):
                name(n), to(t), numInput(ni) {}
            EXTLink(): name(""), numInput(0) {}

            std::string name;
            std::shared_ptr<Element> to;
            int numInput;
        };

        // наружный выход
        struct EXTOut
        {
            EXTOut( const std::string& n, std::shared_ptr<Element>& f):
                name(n), from(f) {}
            EXTOut(): name("") {}

            std::string name;
            std::shared_ptr<Element> from;
        };

    protected:
        ElementMap emap; // список элеметов
        InternalList inLinks;
        ExternalList extLinks;
        OutputsList outList;

    private:
};
// ---------------------------------------------------------------------------
class SchemaXML:
    public Schema
{
    public:
        SchemaXML();
        virtual ~SchemaXML();

        void read( const std::string& xmlfile );

    protected:
};
// --------------------------------------------------------------------------
} // end of namespace uniset
// ---------------------------------------------------------------------------
#endif