HighlighterRegistry: add add_highlighter_to_group method

src/highlighter_registry.cc

@@ -2,6 +2,7 @@
 
 #include "exception.hh"
 #include "window.hh"
+#include "highlighters.hh"
 
 namespace Kakoune
 {
@@ -30,6 +31,18 @@ void HighlighterRegistry::add_highlighter_to_window(Window& window,
     window.add_highlighter(it->second(window, parameters));
 }
 
+void HighlighterRegistry::add_highlighter_to_group(Window& window,
+                                                   HighlighterGroup& group,
+                                                   const std::string& name,
+                                                   const HighlighterParameters& parameters)
+{
+    auto it = m_factories.find(name);
+    if (it == m_factories.end())
+        throw factory_not_found(name);
+
+    group.add_highlighter(it->second(window, parameters));
+}
+
 CandidateList HighlighterRegistry::complete_highlighter(const std::string& prefix,
                                                         size_t cursor_pos)
 {

src/highlighter_registry.hh

@@ -13,6 +13,7 @@ namespace Kakoune
 {
 
 class Window;
+class HighlighterGroup;
 
 typedef std::function<HighlighterAndId (Window& window,
                                         const HighlighterParameters& params)> HighlighterFactory;
@@ -27,6 +28,11 @@ public:
                                   const std::string& factory_name,
                                   const HighlighterParameters& parameters);
 
+    void add_highlighter_to_group(Window& window,
+                                  HighlighterGroup& group,
+                                  const std::string& factory_name,
+                                  const HighlighterParameters& parameters);
+
     CandidateList complete_highlighter(const std::string& prefix,
                                       size_t cursor_pos);