92 lines
2.2 KiB
C++
92 lines
2.2 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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//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
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//characters [1] Type: [] []
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//characters [2] Type: [] []
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//[ae] [\"{a}]
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//[oe] [\"{o}]
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//[ue] [\"{u}]
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//[ss] [{\ss}]
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//[Ae] [\"{A}]
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//[Oe] [\"{O}]
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//[Ue] [\"{U}]
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//[x] [$\times $]
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//[->] [$\rightarrow $]
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//[toc] [\tableofcontents]
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[1] Implementation of datatype ProvideTupleTypesProtocol and operators.
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[toc]
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1 ProvideTupleTypesProtocol class implementation
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*/
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#include "ProvideTupleTypesProtocol.h"
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#include <boost/lexical_cast.hpp>
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using namespace std;
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namespace cstream {
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string ProvideTupleTypesProtocol::requestTupleTypes() {
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return "RequestTupleTypes";
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}
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string ProvideTupleTypesProtocol::requestDone() {
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return "RequestDone()";
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}
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bool ProvideTupleTypesProtocol::requestTupleTypes
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(string request, int& numOfTuples) {
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size_t pos1;
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size_t pos2;
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if(request.length() == 0)
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return false;
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pos1 = request.find("(");
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if(pos1 == std::string::npos)
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return false;
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if(request.substr(0, pos1) != requestTupleTypes())
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return false;
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request.erase(0, pos1 + 1);
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pos2 = request.find(")");
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if(pos2 == std::string::npos)
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return false;
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request = request.substr(0, pos2);
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try {
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numOfTuples = boost::lexical_cast<int>(request);
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}
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catch( boost::bad_lexical_cast const& ) {
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return false;
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}
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return true;
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}
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} /* namespace cstream */ |