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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2025-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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/>.
\*---------------------------------------------------------------------------*/
#include "streamEntry.H"
#include "codeIncludeEntry.H"
#include "dictionary.H"
#include "codeStream.H"
#include "addToRunTimeSelectionTable.H"
#include "addToMemberFunctionSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionEntries
{
defineFunctionTypeNameAndDebug(streamEntry, 0);
addToRunTimeSelectionTable(functionEntry, streamEntry, dictionary);
addToMemberFunctionSelectionTable
(
functionEntry,
streamEntry,
execute,
primitiveEntryIstream
);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
Foam::string Foam::functionEntries::streamEntry::codeString
(
const label index,
const dictionary& codeDict,
Istream& is,
const string& startString,
const string& endString
)
{
// Read the code expression string delimited by either '"..."' or '#{...#}'
token t(is);
if (t.isString() || t.isVerbatimString())
{
return
(
"CODE_BLOCK_STREAM_FUNCTION(" + Foam::name(index) + ")\n"
"{\n"
" #line " + Foam::name(t.lineNumber())
+ " \"" + codeDict.name() + "\"\n"
+ startString + t.anyStringToken() + endString +
"\n}\n\n"
);
}
else
{
FatalIOErrorInFunction(is)
<< "Wrong string type for " << typeName << nl
<< " Expected either a string delimited by '\"...\"' "
"or a verbatim string delimited by '#{...#}' " << nl
<< " found token " << t
<< exit(FatalIOError);
return string::null;
}
}
Foam::OTstream Foam::functionEntries::streamEntry::resultStream
(
const dictionary& dict,
Istream& is,
const string& startString,
const string& endString
)
{
if (debug)
{
Info<< "Expanding " << typeName << " at line " << is.lineNumber()
<< " in file " << dict.name() << endl;
}
// Construct codeDict for codeStream with the parent dictionary provided for
// string expansion and variable substitution and the same name as the
// parent for consistent error messaging
dictionary codeDict(fileName::null, dict);
// Read the code expression string delimited by either '"..."' or '#{...#}'
token t(is);
if (t.isString() || t.isVerbatimString())
{
codeDict.add
(
primitiveEntry
(
"code",
startString + t.anyStringToken() + endString,
t.lineNumber()
)
);
}
else
{
FatalIOErrorInFunction(is)
<< "Wrong string type for " << typeName << nl
<< " Expected either a string delimited by '\"...\"' "
"or a verbatim string delimited by '#{...#}' " << nl
<< " found token " << t
<< exit(FatalIOError);
}
codeStream::streamingFunctionType function = codeStream::getFunction
(
dict,
codeDict
);
// Use function to write stream
OTstream ots(is.name(), is.format());
ots.lineNumber() = is.lineNumber();
(*function)(ots, dict);
// Return the OTstream containing the results of the calculation
return ots;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionEntries::streamEntry::streamEntry
(
const label lineNumber,
const dictionary& parentDict,
Istream& is
)
:
functionEntry(typeName, lineNumber, parentDict)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::functionEntries::streamEntry::execute
(
dictionary& contextDict,
Istream& is
)
{
return insert(contextDict, resultStream(contextDict, is));
}
bool Foam::functionEntries::streamEntry::execute
(
const dictionary& contextDict,
primitiveEntry& contextEntry,
Istream& is
)
{
return insert(contextDict, contextEntry, resultStream(contextDict, is));
}
// ************************************************************************* //
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