DescriptionScheme.cxx

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/*
 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "DescriptionScheme.hxx"
#include "XMLAdapter.hxx"

namespace CLAM
{
        DescriptionScheme::~DescriptionScheme()
        {
                        Scopes::iterator it = _scopes.begin();
                        Scopes::iterator end = _scopes.end();
                        for (; it!=end; it++)
                                delete *it;
        }
        namespace Hidden
        {
                class AttributeInserter : public Component
                {
                public:
                        AttributeInserter(DescriptionScheme & scheme) : _scheme(scheme) {}
                        const char * GetClassName() const {return "AttributeInserter"; }
                        void StoreOn(Storage & storage) const
                        {
                        }
                        void LoadFrom(Storage & storage)
                        {
                                std::string _name;
                                XMLAdapter<std::string> nameAdapter(_name, "name", false);
                                storage.Load(nameAdapter);

                                std::string _scope;
                                XMLAdapter<std::string> scopeAdapter(_scope, "scope", false);
                                storage.Load(scopeAdapter);

                                std::string _type;
                                XMLAdapter<std::string> typeAdapter(_type, "type", false);
                                storage.Load(typeAdapter);

                                if (_type == "Float")
                                        _scheme.AddAttribute<float>(_scope, _name);
                                else if (_type == "String")
                                        _scheme.AddAttribute<std::string>(_scope, _name);
                        }
                private:
                        DescriptionScheme & _scheme;
                };
        }
        
        void DescriptionScheme::StoreOn(Storage & storage) const
        {
                for (unsigned int i = 0; i < GetNScopes(); i++)
                {
                        const DescriptionScope & scope = GetScope(i);
                        for (unsigned int j = 0; j < scope.GetNAttributes(); j++)
                        {
                                XMLComponentAdapter adapter(scope.GetAttribute(j), "Attribute", true);
                                storage.Store(adapter);
                        }
                }
        }

        void DescriptionScheme::LoadFrom(Storage & storage)
        {
                for (; true; )
                {
                        Hidden::AttributeInserter inserter(*this);
                        XMLComponentAdapter adapter(inserter, "Attribute", true);
                        if (!storage.Load(adapter)) break;
                }
        }
}