106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, 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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*/
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#ifndef RASTER2_DISPLAYGRID3_H
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#define RASTER2_DISPLAYGRID3_H
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#include "DateTime.h"
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#include "DisplayTTY.h"
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namespace raster2
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{
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struct Displaygrid3 : DisplayFunction
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{
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virtual void Display(ListExpr type, ListExpr value)
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{
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if(nl->IsAtom(value) &&
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nl->AtomType(value) == SymbolType &&
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nl->SymbolValue(value) == Symbol::UNDEFINED())
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{
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cout << Symbol::UNDEFINED();
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}
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else
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{
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const std::string formatError = "Incorrect Data Format.";
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if(nl->ListLength(value) == 4)
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{
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bool bError = false;
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double x = GetNumeric(nl->First(value), bError);
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if(bError)
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{
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throw std::runtime_error(formatError);
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}
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double y = GetNumeric(nl->Second(value), bError);
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if(bError)
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{
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throw std::runtime_error(formatError);
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}
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double length = GetNumeric(nl->Third(value), bError);
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if(bError)
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{
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throw std::runtime_error(formatError);
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}
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ListExpr durationListExpr = nl->Fourth(value);
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if(nl->ListLength(durationListExpr) == 2 &&
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nl->AtomType(nl->First(durationListExpr)) == SymbolType &&
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nl->SymbolValue(nl->First(durationListExpr)) ==
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Duration::BasicType() &&
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nl->ListLength(nl->Second(durationListExpr)) == 2)
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{
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ListExpr durationValuesListExpr = nl->Second(durationListExpr);
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int days = nl->IntValue(nl->First(durationValuesListExpr));
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int milliseconds = nl->IntValue(nl->Second(durationValuesListExpr));
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cout << "grid3: (x = " << x << ", y = " << y <<
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", length = " << length << ", duration = (" << days <<
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" days, " << milliseconds << " milliseconds))";
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}
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else
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{
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throw std::runtime_error(formatError);
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}
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}
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else
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{
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throw std::runtime_error(formatError);
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}
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}
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}
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};
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}
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#endif /* RASTER2_DISPLAYGRID3_H */
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