Add support for setting NLSR prefix costs via configuration file and nlsrc
This change alters the nlsr.conf 'advertising' format, as the previous
setup used unnecessary keys which made dynamically adjusting the
stateful conf file difficult.
Incorporates code written by Yanbiao Li.
Change-Id: I3ed5d0a564099be8cc1389ee6acc6f2d04cef889
diff --git a/src/utility/boost-info-editor.hpp b/src/utility/boost-info-editor.hpp
new file mode 100644
index 0000000..d4ba0e5
--- /dev/null
+++ b/src/utility/boost-info-editor.hpp
@@ -0,0 +1,45 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2025, The University of Memphis,
+ * Regents of the University of California,
+ * Arizona Board of Regents.
+ *
+ * This file is part of NLSR (Named-data Link State Routing).
+ * See AUTHORS.md for complete list of NLSR authors and contributors.
+ *
+ * NLSR 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.
+ *
+ * NLSR 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
+ * NLSR, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NLSR_BOOST_INFO_EDITOR_HPP
+#define NLSR_BOOST_INFO_EDITOR_HPP
+
+#include <string>
+
+namespace nlsr::util::boost_info_editor {
+
+/*! Insert a specified combination of configuration field name and value into a specific file path
+ Returns false if any errors occur on I/O, otherwise true.
+ \param fileName Path to conf file as string
+ \param section Section name to add/modify in conf file; expects [section].[subsection]... formatting
+ \param value The value to insert into the sheet as a string. Typechecking should be done in caller.
+*/
+bool put(const std::string& fileName, const std::string& section, const std::string& value);
+
+/*! Remove a specified key and its value from a configuration file at a specific path
+ Returns false if any errors occur on I/O, otherwise true.
+ \param fileName Path to conf file as string
+ \param section Section name to add/modify in conf file; expects [section].[subsection]... formatting
+*/
+bool remove(const std::string& fileName, const std::string& section);
+} // namespace nlsr::util::boost_info_editor
+
+#endif // NLSR_BOOST_INFO_EDITOR_HPP