3b72fc3e38
- syntax as per Bourne/Korn shell
${parameter:-defValue}
If parameter is unset or null, the \c defValue is substituted.
Otherwise, the value of parameter is substituted.
135 lines
3.9 KiB
C
135 lines
3.9 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) 2004-2011 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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Test some string functionality
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\*---------------------------------------------------------------------------*/
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#include "string.H"
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#include "stringOps.H"
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#include "dictionary.H"
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#include "IOstreams.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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string test
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(
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" $HOME kjhkjhkjh \" \\$HOME/tyetyery $; ${FOAM_RUN} \n $; hkjh;"
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" $(DONOTSUBST) some other <${USER}> with '${__UNKNOWN:-some default}'"
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" value "
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);
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dictionary dict;
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dict.add("HOME", "myHome");
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dictionary subDict;
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subDict.add("value1", "test1");
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subDict.add("value2", "test2");
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dict.add("FOAM_RUN", subDict);
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Info<< "string:" << test << nl << "hash:"
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<< unsigned(string::hash()(test)) << endl;
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Info<<"trimLeft: " << stringOps::trimLeft(test) << endl;
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Info<<"trimRight: " << stringOps::trimRight(test) << endl;
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Info<<"trim: " << stringOps::trim(test) << endl;
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// test sub-strings via iterators
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string::const_iterator iter = test.end();
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string::const_iterator iter2 = test.end();
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string::size_type fnd = test.find('\\');
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if (fnd != string::npos)
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{
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iter = test.begin() + fnd;
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iter2 = iter + 6;
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}
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Info<< "sub-string via iterators : >";
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while (iter != iter2)
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{
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Info<< *iter;
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iter++;
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}
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Info<< "<\n";
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Info<< string(test).replace("kj", "zzz") << endl;
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Info<< string(test).replace("kj", "") << endl;
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Info<< string(test).replaceAll("kj", "zzz") << endl;
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Info<< string(test).replaceAll("kj", "z") << endl;
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Info<< "expanded: " << string(test).expand() << endl;
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Info<<"dictionary-based substitution: " << dict << endl;
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Info<< "expand dict: " << stringOps::expand(test, dict) << endl;
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string test2("~OpenFOAM/controlDict");
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Info<< test2 << " => " << test2.expand() << endl;
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// replace controlDict with "newName"
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{
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string::size_type i = test2.rfind('/');
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if (i == string::npos)
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{
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test2 = "newName";
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}
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else
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{
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// this uses the std::string::replace
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test2.replace(i+1, string::npos, "newName");
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}
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Info<< "after replace: " << test2 << endl;
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// do another replace
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// this uses the Foam::string::replace
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test2.replace("OpenFOAM", "openfoam");
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Info<< "after replace: " << test2 << endl;
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}
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string s;
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Sin.getLine(s);
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string s2(s.expand());
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cout<< "output string with " << s2.length() << " characters\n";
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cout<< "ostream<< >" << s2 << "<\n";
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Info<< "Ostream<< >" << s2 << "<\n";
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Info<< "hash:" << hex << string::hash()(s2) << 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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