DCS config data format (#6446)

chiarazampolli · web-flow · commit 183579a0cce8 · 2021-06-28T10:35:52.000+02:00
* typedef for DCS configuration

using std::vector&lt;char&gt;

* Change delimiter, improve print

clang-format

Fix trailing space

* Update functions - do not use pointers

* update copyright
diff --git a/DataFormats/Detectors/CMakeLists.txt b/DataFormats/Detectors/CMakeLists.txt
@@ -25,6 +25,7 @@ add_subdirectory(PHOS)
 add_subdirectory(CPV)
 add_subdirectory(CTP)
 add_subdirectory(GlobalTracking)
+add_subdirectory(DCS)
 if(ENABLE_UPGRADES)
   add_subdirectory(Upgrades)
 else()
diff --git a/DataFormats/Detectors/DCS/CMakeLists.txt b/DataFormats/Detectors/DCS/CMakeLists.txt
@@ -0,0 +1,12 @@
+# Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+# All rights not expressly granted are reserved.
+#
+# This software is distributed under the terms of the GNU General Public
+# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+#
+# In applying this license CERN does not waive the privileges and immunities
+# granted to it by virtue of its status as an Intergovernmental Organization
+# or submit itself to any jurisdiction.
+
+o2_add_header_only_library(DataFormatsDCS)
diff --git a/DataFormats/Detectors/DCS/include/DataFormatsDCS/DCSConfigObject.h b/DataFormats/Detectors/DCS/include/DataFormatsDCS/DCSConfigObject.h
@@ -0,0 +1,84 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+/// \file DCSConfigObject.h
+/// \bried Data format to store DCS configurations
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <iterator>
+#include <regex>
+
+#include <TString.h>
+
+namespace o2
+{
+namespace dcs
+{
+
+typedef std::vector<char> DCSconfigObject_t;
+
+template <typename T>
+inline void addConfigItem(DCSconfigObject_t& configVector, std::string key, const T value)
+{
+  std::string keyValue = key + ":" + std::to_string(value) + ",";
+  std::copy(keyValue.begin(), keyValue.end(), std::back_inserter(configVector));
+}
+
+// explicit specialization for std::string
+template <>
+inline void addConfigItem(DCSconfigObject_t& configVector, std::string key, const std::string value)
+{
+  std::string keyValue = key + ":" + value + ",";
+  std::copy(keyValue.begin(), keyValue.end(), std::back_inserter(configVector));
+}
+
+// explicit specialization for char
+template <>
+inline void addConfigItem(DCSconfigObject_t& configVector, std::string key, const char value)
+{
+  std::string keyValue = key + ":" + value + ",";
+  std::copy(keyValue.begin(), keyValue.end(), std::back_inserter(configVector));
+}
+
+// explicit specialization for char*
+template <>
+inline void addConfigItem(DCSconfigObject_t& configVector, std::string key, const char* value)
+{
+  std::string keyValue = key + ":" + value + ",";
+  std::copy(keyValue.begin(), keyValue.end(), std::back_inserter(configVector));
+}
+
+// explicit specialization for TString
+template <>
+inline void addConfigItem(DCSconfigObject_t& configVector, std::string key, const TString value)
+{
+  std::string keyValue = key + ":" + value.Data() + ",";
+  std::copy(keyValue.begin(), keyValue.end(), std::back_inserter(configVector));
+}
+
+inline void printDCSConfig(const DCSconfigObject_t& configVector)
+{
+  std::string sConfig(configVector.begin(), configVector.end());
+  std::cout << "string "
+            << " --> " << sConfig << std::endl;
+  auto const re = std::regex{R"(,+)"};
+  auto vecRe = std::vector<std::string>(std::sregex_token_iterator{begin(sConfig), end(sConfig), re, -1},
+                                        std::sregex_token_iterator{});
+  for (size_t i = 0; i < vecRe.size(); ++i) {
+    //      vecRe[i].erase(vecRe[i].end() - 1);
+    std::cout << i << " --> " << vecRe[i] << std::endl;
+  }
+}
+
+} // namespace dcs
+} // namespace o2
