95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
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/*
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This file is part of SECONDO.
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Copyright (C) 2011, 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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#include "atperiods.h"
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namespace raster2 {
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ValueMapping atperiodsFuns[] =
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{
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atperiodsFun<int, mstype_helper<int> >,
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atperiodsFun<double, mstype_helper<double> >,
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atperiodsFun<char, msbool_helper >,
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atperiodsFun<std::string, mstype_helper<std::string> >,
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0
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};
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int atperiodsSelectFun(ListExpr args) {
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NList type(args);
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// The selection function should not have been called if the second
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// argument does not meet the criteria in the type mapping
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assert(type.second().isSymbol(temporalalgebra::Periods::BasicType()));
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if (type.first().isSymbol(msint::BasicType())) {
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return 0;
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}
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else if (type.first().isSymbol(msreal::BasicType())) {
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return 1;
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}
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else if (type.first().isSymbol(msbool::BasicType())) {
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return 2;
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}
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else if(type.first().isSymbol(msstring::BasicType())) {
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return 3;
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}
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return -1;
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}
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ListExpr atperiodsTypeMap(ListExpr args)
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{
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NList type(args);
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if (type.length() != 2) {
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return type.typeError("Expect two arguments.");
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}
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if (type.second() != NList(temporalalgebra::Periods::BasicType())) {
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return type.typeError("Expect sec arg periods.");
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}
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if (type.first() == NList(msbool::BasicType()))
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{
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return NList(msbool::BasicType()).listExpr();
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}
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if (type.first() == NList(msint::BasicType()))
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{
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return NList(msint::BasicType()).listExpr();
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}
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if (type.first() == NList(msreal::BasicType()))
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{
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return NList(msreal::BasicType()).listExpr();
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}
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if (type.first() == NList(msstring::BasicType()))
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{
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return NList(msstring::BasicType()).listExpr();
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}
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return NList::typeError("Expected msT.");
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}
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}
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