GIT: Resolved conflicts arising from merge with develop branch

src/functionObjects/field/zeroGradient/zeroGradient.C

@@ -0,0 +1,223 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     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 "zeroGradient.H"
+
+#include "volFields.H"
+#include "dictionary.H"
+#include "addToRunTimeSelectionTable.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace functionObjects
+{
+    defineTypeNameAndDebug(zeroGradient, 0);
+
+    addToRunTimeSelectionTable
+    (
+        functionObject,
+        zeroGradient,
+        dictionary
+    );
+}
+}
+
+// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
+
+bool Foam::functionObjects::zeroGradient::checkFormatName(const word& str)
+{
+    if (str.find("@@") == string::npos)
+    {
+        WarningInFunction
+            << "Bad result naming "
+            << "(no '@@' token found), deactivating."
+            << nl << endl;
+
+        return false;
+    }
+    else if (str == "@@")
+    {
+        WarningInFunction
+            << "Bad result naming "
+            << "(only a '@@' token found), deactivating."
+            << nl
+            << endl;
+
+        return false;
+    }
+    else
+    {
+        return true;
+    }
+}
+
+
+void Foam::functionObjects::zeroGradient::uniqWords(wordReList& lst)
+{
+    boolList retain(lst.size());
+    wordHashSet uniq;
+    forAll(lst, i)
+    {
+        const wordRe& select = lst[i];
+
+        retain[i] =
+        (
+            select.isPattern()
+         || uniq.insert(static_cast<const word&>(select))
+        );
+    }
+
+    inplaceSubset(retain, lst);
+}
+
+
+int Foam::functionObjects::zeroGradient::process(const word& fieldName)
+{
+    int state = 0;
+    apply<scalar>(fieldName, state);
+    apply<vector>(fieldName, state);
+    apply<sphericalTensor>(fieldName, state);
+    apply<symmTensor>(fieldName, state);
+    apply<tensor>(fieldName, state);
+
+    return state;
+}
+
+
+void Foam::functionObjects::zeroGradient::process()
+{
+    results_.clear();
+
+    wordHashSet candidates = subsetStrings(selectFields_, mesh_.names());
+    DynamicList<word> missing(selectFields_.size());
+    DynamicList<word> ignored(selectFields_.size());
+
+    // check exact matches first
+    forAll(selectFields_, i)
+    {
+        const wordRe& select = selectFields_[i];
+        if (!select.isPattern())
+        {
+            const word& fieldName = static_cast<const word&>(select);
+
+            if (!candidates.erase(fieldName))
+            {
+                missing.append(fieldName);
+            }
+            else if (process(fieldName) < 1)
+            {
+                ignored.append(fieldName);
+            }
+        }
+    }
+
+    forAllConstIter(wordHashSet, candidates, iter)
+    {
+        process(iter.key());
+    }
+
+    if (missing.size())
+    {
+        WarningInFunction
+            << "Missing field " << missing << endl;
+    }
+    if (ignored.size())
+    {
+        WarningInFunction
+            << "Unprocessed field " << ignored << endl;
+    }
+}
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+Foam::functionObjects::zeroGradient::zeroGradient
+(
+    const word& name,
+    const Time& runTime,
+    const dictionary& dict
+)
+:
+    fvMeshFunctionObject(name, runTime, dict),
+    selectFields_(),
+    resultName_(string::null),
+    results_()
+{
+    read(dict);
+}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+Foam::functionObjects::zeroGradient::~zeroGradient()
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+bool Foam::functionObjects::zeroGradient::read(const dictionary& dict)
+{
+    dict.lookup("fields") >> selectFields_;
+    uniqWords(selectFields_);
+
+    resultName_ = dict.lookupOrDefault<word>("result", type() + "(@@)");
+    return checkFormatName(resultName_);
+}
+
+
+bool Foam::functionObjects::zeroGradient::execute()
+{
+    results_.clear();
+    return true;
+}
+
+
+bool Foam::functionObjects::zeroGradient::write()
+{
+    // Consistent output order
+    const wordList outputList = results_.sortedToc();
+
+    forAll(outputList, i)
+    {
+        const word& fieldName = outputList[i];
+
+        if (foundObject<regIOobject>(fieldName))
+        {
+            const regIOobject& io = lookupObject<regIOobject>(fieldName);
+
+            Log << type() << " " << name()
+                << " write: writing field " << fieldName << endl;
+
+            io.write();
+        }
+    }
+
+    return true;
+}
+
+
+// ************************************************************************* //