23c9dd716d
- simplify structure. - protect against nullptr when resetting memory streams - make UIListStream swappable - add uiliststream as an example of using a plain std::istream
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2017-2018 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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\*---------------------------------------------------------------------------*/
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#include "OCountStream.H"
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#include "StringStream.H"
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#include "IOstreams.H"
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#include "argList.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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OCountStream cnt;
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OStringStream str;
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ocountstream plain;
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for (label i = 0; i < 50; ++i)
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{
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str
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<< 1002 << " " << "abcd" << " "
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<< "def" << " " << 3.14159 << ";\n";
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cnt
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<< 1002 << " " << "abcd" << " "
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<< "def" << " " << 3.14159 << ";\n";
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plain
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<< 1002 << " " << "abcd" << " "
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<< "def" << " " << 3.14159 << ";\n";
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}
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cnt.print(Info);
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Info<< "via string-stream: " << str.str().size() << " chars" << endl;
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Info<< "via ocountstream: " << plain.size() << " chars" << endl;
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Info<< "\nEnd\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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