ExtendedInstructionTable.h

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/*
// $Id: //open/dev/fennel/calculator/ExtendedInstructionTable.h#3 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2004-2009 SQLstream, Inc.
// Copyright (C) 2009-2009 LucidEra, Inc.
//
// 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 approved by The Eigenbase Project.
//
// 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
*/

#ifndef Fennel_ExtendedInstructionTable_Included
#define Fennel_ExtendedInstructionTable_Included

#include "fennel/calculator/ExtendedInstruction.h"
#include <map>

FENNEL_BEGIN_NAMESPACE

using std::string;

class FENNEL_CALCULATOR_EXPORT ExtendedInstructionTable
{
public:
    template <typename T>
    void add(
        const string &name,
        const vector<StandardTypeDescriptorOrdinal> &parameterTypes,
        T *dummy,
        typename T::Functor functor)
    {
        FunctorExtendedInstructionDef<T> *pDef =
            new FunctorExtendedInstructionDef<T>(
                name,
                parameterTypes,
                functor);
        _defsByName[pDef->getSignature()] = pDef;
    }

    ExtendedInstructionDef* operator[] (string const &signature) {
        return _defsByName[signature];
    }

    string signatures();

private:
    map<string, ExtendedInstructionDef *> _defsByName;
};


FENNEL_END_NAMESPACE

#endif
// End ExtendedInstructionTable.h

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