lib: replace mu-bookmarks with mu-query-macros

And add some unit tests.

lib/mu-query-macros.hh

@@ -0,0 +1,75 @@
+/*
+** Copyright (C) 2023 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+**
+** This program 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, or (at your option) any
+** later version.
+**
+** This program 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 this program; if not, write to the Free Software Foundation,
+** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+**
+*/
+
+
+#ifndef MU_QUERY_MACROS_HH__
+#define MU_QUERY_MACROS_HH__
+
+#include <string>
+#include <memory>
+
+#include <utils/mu-result.hh>
+#include <utils/mu-option.hh>
+
+#include "mu-config.hh"
+
+namespace Mu {
+
+class QueryMacros{
+public:
+	/**
+	 * Construct QueryMacros object
+	 *
+	 * @param conf config object ref
+	 */
+	QueryMacros(const Config& conf);
+
+	/**
+	 * DTOR
+	 */
+	~QueryMacros();
+
+	/**
+	 * Read bookmarks (ie. macros) from a bookmark-file
+	 *
+	 * @param bookmarks_file path to the bookmarks file
+	 *
+	 * @return Ok or some error
+	 */
+	Result<void> load_bookmarks(const std::string& bookmarks_file);
+
+
+	/**
+	 * Find a macro (aka 'bookmark') by its name
+	 *
+	 * @param name the name of the bookmark
+	 *
+	 * @return the macro value or Nothing if not found
+	 */
+	Option<std::string> find_macro(const std::string& name) const;
+
+private:
+	struct Private;
+	std::unique_ptr<Private> priv_;
+};
+
+
+} // namespace Mu
+
+#endif /* MU_QUERY_MACROS_HH__ */