1 files changed, 79 insertions, 0 deletions
diff --git a/src/feature.cc b/src/feature.cc
new file mode 100644
index 0000000..80d7887
--- /dev/null
+++ b/src/feature.cc
@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <iostream>
+#include <string>
+#include <map>
+
+#include "feature.h"
+#include "printutils.h"
+
+/**
+ * Feature registration map/list for later lookup. This must be initialized
+ * before the static feature instances as those register with this map. 
+ */
+Feature::map_t Feature::feature_map;
+Feature::list_t Feature::feature_list;
+
+/*
+ * List of features, the names given here are used in both command line
+ * argument to enable the option and for saving the option value in GUI
+ * context.
+ */
+const Feature Feature::ExperimentalConcatFunction("concat", "Enable the <code>concat()</code> function.");
+
+Feature::Feature(const std::string &name, const std::string &description)
+	: enabled(false), name(name), description(description)
+{
+	feature_map[name] = this;
+	feature_list.push_back(this);
+}
+
+Feature::~Feature()
+{
+}
+
+const std::string &Feature::get_name() const
+{
+	return name;
+}
+    
+const std::string &Feature::get_description() const
+{
+	return description;
+}
+    
+bool Feature::is_enabled() const
+{
+	return enabled;
+}
+
+void Feature::enable(bool status)
+{
+	enabled = status;
+}
+    
+void Feature::enable_feature(const std::string &feature_name, bool status)
+{
+	map_t::iterator it = feature_map.find(feature_name);
+	if (it != feature_map.end()) {
+		it->second->enable(status);
+	} else {
+		PRINTB("WARNING: Ignoring request to enable unknown feature '%s'.", feature_name);
+	}
+}
+
+Feature::iterator Feature::begin()
+{	
+	return feature_list.begin();
+}
+
+Feature::iterator Feature::end()
+{
+	return feature_list.end();
+}
+
+void Feature::dump_features()
+{
+	for (map_t::iterator it = feature_map.begin(); it != feature_map.end(); it++) {
+		std::cout << "Feature('" << it->first << "') = " << (it->second->is_enabled() ? "enabled" : "disabled") << std::endl;
+	}
+}