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// Copyright 2008, 2009 Brady J. Garvin
// This file is part of Covering Arrays by Simulated Annealing (CASA).
// CASA is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// CASA is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with CASA. If not, see <http://www.gnu.org/licenses/>.
#include "io/ConstraintFile.H"
using namespace std;
ConstraintFile::ConstraintFile(const string&filename) {
if (!filename.size()) {
return;
}
ifstream fileInputStream(filename.data());
unsigned clauseCount;
fileInputStream >> clauseCount;
clauses = Array<InputClause>(clauseCount);
for (unsigned i = 0; i < clauseCount; ++i) {
InputClause&clause = clauses[i];
unsigned termCount;
fileInputStream >> termCount;
while (termCount--) {
char sign;
unsigned symbol;
do {
fileInputStream >> sign;
} while (sign != '-' && sign != '+');
fileInputStream >> symbol;
clause.append(InputTerm(sign == '-', symbol));
}
}
fileInputStream.close();
}
const Array<InputClause>&ConstraintFile::getClauses() const {
return clauses;
}
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