124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
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/*
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This file is part of SECONDO.
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Copyright (C) 2013, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef TILEALGEBRA_MAP_H
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#define TILEALGEBRA_MAP_H
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/*
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SECONDO includes
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*/
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#include "AlgebraTypes.h"
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#include "Operator.h"
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#include "QueryProcessor.h"
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/*
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TileAlgebra includes
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*/
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#include "../Constants.h"
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#include "../Types/Types.h"
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/*
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declaration of namespace TileAlgebra
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*/
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namespace TileAlgebra
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{
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/*
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Struct mapInfo describes name, syntax, meaning and signature
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of TileAlgebra operator map.
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author: Dirk Zacher
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*/
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struct mapInfo : OperatorInfo
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{
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mapInfo()
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{
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name = "map";
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syntax = "_ map[_]";
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meaning = "Maps a xT type to a xU type.";
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std::vector<std::string> typeParameterx;
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typeParameterx.push_back("x");
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std::vector<std::string> tileAlgebraTypes;
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tileAlgebraTypes.push_back(TYPE_NAME_PREFIX_T);
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tileAlgebraTypes.push_back(TYPE_NAME_PREFIX_MT);
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std::vector<std::string> typeParameterTU;
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typeParameterTU.push_back("T");
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typeParameterTU.push_back("U");
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std::vector<std::string> valueWrapperTypes;
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GetValueWrapperTypes(valueWrapperTypes);
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signature = std::string("xT") + " x " +
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"(T" + RIGHT_ARROW + "U)" +
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RIGHT_ARROW + "xU" +
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FOR + GetTypeParametersDomain(typeParameterx,
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tileAlgebraTypes) +
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", " + GetTypeParametersDomain(typeParameterTU,
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valueWrapperTypes);
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}
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};
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/*
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declaration of mapFunctions array.
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*/
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extern ValueMapping mapFunctions[];
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/*
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Method mapSelectFunction returns the index of specific map function
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in mapFunctions array depending on the arguments.
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author: Dirk Zacher
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parameters: arguments - arguments of map operator
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return value: index of specific map function in mapFunctions
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exceptions: -
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*/
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int mapSelectFunction(ListExpr arguments);
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/*
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Method mapTypeMappingFunction returns the return value type
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of map operator in the form of a ListExpr.
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author: Dirk Zacher
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parameters: arguments - arguments of map operator
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return value: return value type of map operator
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exceptions: -
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*/
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ListExpr mapTypeMappingFunction(ListExpr arguments);
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}
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#endif // TILEALGEBRA_MAP_H
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