Major updates:

- A lotta cleanup
- BEd command parser rewrite
- Vase class removed
- Proper IO system.
- A lot more.

include/bed.h

@@ -2,35 +2,25 @@
 
 #include "definitions.h"
 #include "internal/buffer/buffer.h"
-#include "internal/commands/commands.h"
-#include "internal/commands/suffixes.h"
+#include "internal/functions/functions.h"
+#include "internal/functions/suffixes.h"
+#include "internal/io/command.h"
 #include "internal/io/io.h"
 #include "internal/marks/marks.h"
 #include "internal/theme/theme.h"
+#include "internal/ui/autocomp.h"
 #include "pch.h"
 
 namespace bed {
-struct Suggestion {
-  enum : uint8_t {
-    Command,
-    Address,
-    Suffix,
-    History,
-    Regex
-  } type;
-  std::string_view name;
-  std::string_view desc;
-  std::string completion;
-};
-
 struct BEd {
-  internal::trie::Trie<internal::commands::Command> commands;
-  internal::commands::Command no_op;
-  internal::commands::Command eof_op;
-  std::array<std::optional<internal::commands::Suffix>, 26> suffixes;
+  internal::trie::Trie<internal::functions::Function> functions;
+  internal::functions::Function no_op;
+  internal::functions::Function eof_op;
+  std::array<std::optional<internal::functions::Suffix>, 26> suffixes;
   internal::theme::Theme theme;
   std::unordered_map<std::string, internal::syntax::Language> languages;
   internal::io::IO &io;
+  internal::vase::AppendStorage append{"/tmp"};
 
   bool help_mode = false;
   std::string last_help = "";
@@ -38,12 +28,21 @@ struct BEd {
   std::function<std::string(BEd &)> prompt = nullptr;
   bool suppress_mode = false;
   std::string last_regex = "";
+  std::string last_symbol = "";
+  std::string last_replacement = "";
 
   std::unordered_map<std::string, internal::buffer::Buffer *> buffers;
-  internal::buffer::Buffer *active;
+
+  internal::buffer::Range prev;
+  internal::marks::MarksEngine marks;
 
   BEd(std::vector<std::string> args, internal::io::IO &io);
   ~BEd();
+
+  internal::buffer::Buffer &buffer(const std::string &);
+  internal::buffer::Line &current();
+  void mark(char, internal::buffer::Line);
+
   void handle(std::string_view cmd, bool eof);
   void run();
   void suffix_handle(char s);