Add utility KeywordLocation::format()

CMakeLists_files.cmake

@@ -26,6 +26,7 @@ list (APPEND MAIN_SOURCE_FILES
       src/opm/common/OpmLog/LogBackend.cpp
       src/opm/common/OpmLog/Logger.cpp
       src/opm/common/OpmLog/LogUtil.cpp
+      src/opm/common/OpmLog/KeywordLocation.cpp
       src/opm/common/OpmLog/OpmLog.cpp
       src/opm/common/OpmLog/StreamLog.cpp
       src/opm/common/OpmLog/TimerLog.cpp

opm/common/OpmLog/KeywordLocation.hpp

@@ -51,6 +51,8 @@ public:
     {}
 
 
+    std::string format(const std::string& msg_fmt) const;
+
     static KeywordLocation serializeObject()
     {
         KeywordLocation result;

src/opm/common/OpmLog/KeywordLocation.cpp

@@ -0,0 +1,33 @@
+/*
+  Copyright 2020 Statoil ASA.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM 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.
+
+  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <fmt/format.h>
+#include <opm/common/OpmLog/KeywordLocation.hpp>
+
+
+namespace Opm {
+
+std::string KeywordLocation::format(const std::string& msg_fmt) const {
+    return fmt::format(msg_fmt,
+                       fmt::arg("keyword", this->keyword),
+                       fmt::arg("file", this->filename),
+                       fmt::arg("line", this->lineno));
+}
+
+}