130 lines
3.4 KiB
C
130 lines
3.4 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_MATCHGRID_H
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#define TILEALGEBRA_MATCHGRID_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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#include "StandardTypes.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 "../grid/tgrid.h"
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#include "../grid/mtgrid.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 matchgridInfo describes name, syntax, meaning and signature
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of TileAlgebra operator matchgrid.
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author: Dirk Zacher
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*/
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struct matchgridInfo : OperatorInfo
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{
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matchgridInfo()
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{
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name = "matchgrid";
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syntax = "_ matchgrid [_, _, _]";
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meaning = "Resamples a t type object or a mt type object "
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"by applying a user function.";
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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(TYPE_NAME_PREFIX_T) + "T" + " x " +
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tgrid::BasicType() + " x " +
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"(rel(tuple([Elem : T]))" + RIGHT_ARROW + "U)" + " x " +
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CcBool::BasicType() +
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RIGHT_ARROW + TYPE_NAME_PREFIX_T + "U" +
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FOR + GetTypeParametersDomain(typeParameterTU,
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valueWrapperTypes);
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appendSignature(std::string(TYPE_NAME_PREFIX_MT) + "T" + " x " +
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mtgrid::BasicType() + " x " +
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"(rel(tuple([Elem : T]))" + RIGHT_ARROW + "U)" + " x " +
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CcBool::BasicType() +
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RIGHT_ARROW + TYPE_NAME_PREFIX_MT + "U" +
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FOR + 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 matchgridFunctions array.
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*/
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extern ValueMapping matchgridFunctions[];
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/*
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Method matchgridSelectFunction returns the index of specific matchgrid function
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in matchgridFunctions array depending on the arguments.
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author: Dirk Zacher
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parameters: arguments - arguments of matchgrid operator
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return value: index of specific matchgrid function in matchgridFunctions
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exceptions: -
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*/
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int matchgridSelectFunction(ListExpr arguments);
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/*
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Method matchgridTypeMappingFunction returns the return value type
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of matchgrid operator in the form of a ListExpr.
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author: Dirk Zacher
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parameters: arguments - arguments of matchgrid operator
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return value: return value type of matchgrid operator
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exceptions: -
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*/
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ListExpr matchgridTypeMappingFunction(ListExpr arguments);
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}
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#endif // TILEALGEBRA_MATCHGRID_H
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