120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/*
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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_BBOX_H
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#define TILEALGEBRA_BBOX_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 "Algebras/Rectangle/RectangleAlgebra.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 bboxInfo describes name, syntax, meaning and signature
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of TileAlgebra operator bbox.
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author: Dirk Zacher
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*/
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struct bboxInfo : OperatorInfo
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{
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bboxInfo()
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{
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name = "bbox";
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syntax = "bbox(_)";
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meaning = "Returns the bounding box rectangle.";
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std::vector<std::string> typeParameterT;
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typeParameterT.push_back("T");
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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" +
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RIGHT_ARROW + Rectangle<2>::BasicType() +
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FOR + GetTypeParametersDomain(typeParameterT,
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valueWrapperTypes);
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appendSignature(std::string(TYPE_NAME_PREFIX_MT) + "T" +
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RIGHT_ARROW + Rectangle<3>::BasicType() +
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FOR + GetTypeParametersDomain(typeParameterT,
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valueWrapperTypes));
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}
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};
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/*
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declaration of bboxFunctions array.
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*/
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extern ValueMapping bboxFunctions[];
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/*
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Method bboxSelectFunction returns the index of specific bbox function
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in bboxFunctions array depending on the arguments.
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author: Dirk Zacher
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parameters: arguments - arguments of bbox operator
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return value: index of specific bbox function in bboxFunctions
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exceptions: -
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*/
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int bboxSelectFunction(ListExpr arguments);
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/*
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Method bboxTypeMappingFunction returns the return value type
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of bbox operator in the form of a ListExpr.
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author: Dirk Zacher
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parameters: arguments - arguments of bbox operator
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return value: return value type of bbox operator
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exceptions: -
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*/
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ListExpr bboxTypeMappingFunction(ListExpr arguments);
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}
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#endif // TILEALGEBRA_BBOX_H
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