112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
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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 "isdefined.h"
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#include "../sint.h"
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#include "../sreal.h"
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#include "../sbool.h"
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#include "../sstring.h"
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#include "../msint.h"
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#include "../msreal.h"
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#include "../msbool.h"
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#include "../msstring.h"
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#include "../isint.h"
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#include "../isreal.h"
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#include "../isbool.h"
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#include "../isstring.h"
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#include "../util/parse_error.h"
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#include "../util/types.h"
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#include <ListUtils.h>
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namespace raster2
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{
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ListExpr isdefinedTM(ListExpr args) {
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if(!nl->HasLength(args,1)){
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return listutils::typeError("one argument expected");
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}
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std::string type_str = nl->ToString(nl->First(args));
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if( util::isSType(type_str)
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|| util::isMSType(type_str)
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|| util::isISType(type_str)){
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return listutils::basicSymbol<CcBool>();
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}
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return listutils::typeError("Rastertype expected");
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}
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int isdefinedSelectFun(ListExpr args) {
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int numBasicTypes = 4;
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std::string type_str = nl->ToString(nl->First(args));
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int offset = 0;
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if(util::isMSType(type_str)){
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offset = 1*numBasicTypes;
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} else if(util::isISType(type_str)){
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offset = 2*numBasicTypes;
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}
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std::string bt = util::getValueBasicType(type_str);
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int pos = 0;
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if(bt==CcBool::BasicType()){
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pos = 0;
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} else if(bt==CcInt::BasicType()){
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pos = 1;
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} else if(bt==CcReal::BasicType()){
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pos = 2;
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} else if(bt==CcString::BasicType()){
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pos = 3;
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}
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return offset + pos;
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}
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template <typename S>
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int isdefinedFun(Word* args, Word& result, int message,
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Word& local, Supplier s)
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{
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result = qp->ResultStorage(s);
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CcBool* res = (CcBool*) result.addr;
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S* arg = (S*) args[0].addr;
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res->Set(true,arg->isDefined());
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return 0;
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}
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ValueMapping isdefinedFuns[] = {
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isdefinedFun<sbool>,
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isdefinedFun<sint>,
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isdefinedFun<sreal>,
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isdefinedFun<sstring>,
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isdefinedFun<msbool>,
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isdefinedFun<msint>,
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isdefinedFun<msreal>,
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isdefinedFun<msstring>,
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isdefinedFun<isbool>,
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isdefinedFun<isint>,
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isdefinedFun<isreal>,
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isdefinedFun<isstring>,
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0
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};
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}
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