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|
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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.
OpenFOAM 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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
Test-stringSplit
Description
Test string splitting
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "fileName.H"
#include "stringOps.H"
using namespace Foam;
// Simple utility
template<class String>
void printSubStrings(const String& str, const SubStrings<String>& split)
{
Info<< "string {" << str.size() << " chars} = " << str << nl
<< split.size() << " elements {" << split.length() << " chars}"
<< nl;
unsigned i = 0;
for (const auto s : split)
{
Info<< "[" << i++ << "] {" << s.length() << " chars} = "
<< s.str() << nl;
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
argList::noBanner();
argList::noParallel();
argList::addOption
(
"any",
"delimChars",
"test split on any delimiter characters"
);
argList::addOption
(
"sub",
"string",
"test split on substring"
);
argList::addOption
(
"char",
"delim",
"test split on specified delimiter character"
);
argList::addOption
(
"fixed",
"int",
"test split on fixed width"
);
argList::addBoolOption
(
"slash",
"test split on slash (default)"
);
argList::addBoolOption
(
"space",
"test split on space"
);
argList::addBoolOption
(
"empty",
"preserve empty strings in split"
);
argList args(argc, argv, false, true);
if (args.size() <= 1 && args.options().empty())
{
args.printUsage();
}
const bool keepEmpty = args.found("empty");
const label nopts =
args.count({"any", "slash", "space", "sub", "fixed", "char"});
if (args.found("any"))
{
const std::string& str = args["any"];
Info<< "split on any chars" << nl
<< "=" << str << nl
<< "~~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::splitAny(args[argi], str);
printSubStrings(args[argi], split);
}
if (nopts == 1)
{
return 0;
}
}
if (args.found("sub"))
{
const std::string& str = args["sub"];
Info<< "split on substring" << nl
<< "=" << str << nl
<< "~~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::split(args[argi], str);
printSubStrings(args[argi], split);
}
if (nopts == 1)
{
return 0;
}
}
if (args.found("space"))
{
Info<< "split on space" << nl
<< "~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::splitSpace(args[argi]);
printSubStrings(args[argi], split);
}
if (nopts == 1)
{
return 0;
}
}
if (args.found("char"))
{
const char delim = args["char"][0];
Info<< "split on char=" << delim << nl
<< "~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::split(args[argi], delim, keepEmpty);
printSubStrings(args[argi], split);
}
if (nopts == 1)
{
return 0;
}
}
if (args.found("fixed"))
{
const label width = args.get<label>("fixed");
Info<< "split on fixed width = " << width << nl
<< "~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::splitFixed(args[argi], width);
printSubStrings(args[argi], split);
}
if (nopts == 1)
{
return 0;
}
}
// Default
if (!nopts || args.found("slash"))
{
const char delim = '/';
Info<< "split on slash" << nl
<< "~~~~~~~~~~~~~~" << nl;
for (label argi=1; argi < args.size(); ++argi)
{
const auto split = stringOps::split(args[argi], delim, keepEmpty);
printSubStrings(args[argi], split);
}
}
return 0;
}
// ************************************************************************* //
|
