From 9572483126a09e17d7cd1abec870d55858494207 Mon Sep 17 00:00:00 2001
From: Remy Prechelt <prechelt@hawaii.edu>
Date: Wed, 3 Feb 2021 20:12:23 -1000
Subject: [PATCH] Add NoOutput class to disable output writing.
---
corsika/detail/output/NoOutput.inl | 30 ++++++++++++++
corsika/output/NoOutput.hpp | 66 ++++++++++++++++++++++++++++++
2 files changed, 96 insertions(+)
create mode 100644 corsika/detail/output/NoOutput.inl
create mode 100644 corsika/output/NoOutput.hpp
diff --git a/corsika/detail/output/NoOutput.inl b/corsika/detail/output/NoOutput.inl
new file mode 100644
index 000000000..6fc84aa5e
--- /dev/null
+++ b/corsika/detail/output/NoOutput.inl
@@ -0,0 +1,30 @@
+/*
+ * (c) Copyright 2021 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+#pragma once
+
+namespace corsika {
+
+ NoOutput::NoOutput()
+ : {}
+
+ void NoOutput::startOfRun(std::filesystem::path const& directory) {}
+
+ void NoOutput::startOfEvent() {}
+
+ void NoOutput::endOfEvent() {}
+
+ void NoOutput::endOfRun() {}
+
+ YAML::Node NoOutput::getConfig() const { return YAML::Node(); }
+
+ YAML::Node NoOutput::getFinalOutput() const { return YAML::Node(); }
+
+ template <typename... TVArgs>
+ void NoOutput::write(TVArgs&& args...) {}
+
+} // namespace corsika
diff --git a/corsika/output/NoOutput.hpp b/corsika/output/NoOutput.hpp
new file mode 100644
index 000000000..a5fe1160c
--- /dev/null
+++ b/corsika/output/NoOutput.hpp
@@ -0,0 +1,66 @@
+/*
+ * (c) Copyright 2021 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+#pragma once
+
+#include <corsika/output/BaseOutput.hpp>
+
+namespace corsika {
+
+ /**
+ * This class can be used as a drop-in for any output template
+ * and doesn't write *any* output files.
+ *
+ */
+ class NoOutput : public BaseOutput {
+
+ public:
+ /**
+ * Construct a blank output.
+ */
+ NoOutput();
+
+ /**
+ * Called at the start of each run.
+ */
+ virtual void startOfRun(std::filesystem::path const& directory) final override;
+
+ /**
+ * Called at the start of each event/shower.
+ */
+ virtual void startOfEvent() final override;
+
+ /**
+ * Called at the end of each event/shower.
+ */
+ virtual void endOfEvent() final override;
+
+ /**
+ * Called at the end of each run.
+ */
+ virtual void endOfRun() final override;
+
+ /**
+ * Get the configuration of this output.
+ */
+ virtual YAML::Node getConfig() const final override;
+
+ /**
+ * Accept any arguments and ignore them.
+ */
+ template <typename... TVArgs>
+ void write(TVArgs&& args...);
+
+ /**
+ * Get final text outputs for the config file.
+ */
+ virtual YAML::Node getFinalOutput() const final override;
+ };
+
+} // namespace corsika
+
+#include <corsika/detail/output/NoOutput.inl>
--
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