CommandManager: basic command name completion support

1 files changed, 11 insertions, 0 deletions

diff --git a/src/command_manager.hh b/src/command_manager.hh
index 2f014838..fc3d81f3 100644
--- a/src/command_manager.hh
+++ b/src/command_manager.hh
@@ -20,10 +20,21 @@ struct wrong_argument_count : runtime_error
 typedef std::vector<std::string> CommandParameters;
 typedef std::function<void (const CommandParameters&)> Command;
 
+struct Completions
+{
+    CommandParameters candidates;
+    size_t start;
+    size_t end;
+
+    Completions(size_t start, size_t end)
+        : start(start), end(end) {}
+};
+
 class CommandManager
 {
 public:
     void execute(const std::string& command_line);
+    Completions complete(const std::string& command_line, size_t cursor_pos);
 
     void register_command(const std::string& command_name, Command command);
     void register_command(const std::vector<std::string>& command_names, Command command);