Fix io system and highlighting.

include/internal/io/io.h

@@ -2,6 +2,7 @@
 
 #include "definitions.h"
 #include "pch.h"
+#include "tokens.h"
 
 namespace bed::internal::io {
 struct KeyEvent {
@@ -57,6 +58,7 @@ struct IO {
   static void enable_raw();
   static volatile std::atomic_bool resized;
   static void handle_sigwinch(int);
+  BEd &bed;
 
   static enum struct Mode {
     PIPE,
@@ -66,7 +68,7 @@ struct IO {
   std::string pipe_input;
   std::deque<char> input_queue;
 
-  IO();
+  IO(BEd &);
   ~IO();
 
   IO(const IO &) = delete;
@@ -75,6 +77,8 @@ struct IO {
   bool interactive() const {
     return mode == Mode::TERMINAL;
   }
+  void apply(const io::Token::Kind &t);
+  void reset();
   void enable_mouse();
   void disable_mouse();
 

include/internal/io/tokens.h

@@ -0,0 +1,105 @@
+#pragma once
+
+#include "definitions.h"
+#include "pch.h"
+
+namespace bed::internal::io {
+struct Token {
+  uint32_t start;
+  uint32_t end;
+  enum Kind : uint8_t {
+    TempCurrent,
+    AddressSeperator,
+    Address,
+    Offset,
+    AddressRegex,
+    AddressSymbol,
+    Number,
+    Mark,
+    RubyFunction,
+    RubyArg,
+    Function,
+    Any,
+    Shell,
+    Ruby,
+    File,
+    Regex,
+    Replacement,
+    Suffix,
+    Color1,
+    Color2,
+    Color3,
+    Color4,
+    Color5,
+    Warning,
+    Data,
+    Shebang,
+    Comment,
+    Error,
+    String,
+    Escape,
+    Interpolation,
+    Regexp,
+    True,
+    False,
+    Char,
+    Keyword,
+    KeywordOperator,
+    Operator,
+    Namespace,
+    Class,
+    Module,
+    Type,
+    Constant,
+    VariableInstance,
+    VariableGlobal,
+    Annotation,
+    Directive,
+    Label,
+    Brace1,
+    Brace2,
+    Brace3,
+    Brace4,
+    Brace5,
+    Heading1,
+    Heading2,
+    Heading3,
+    Heading4,
+    Heading5,
+    Heading6,
+    Blockquote,
+    List,
+    ListItem,
+    Code,
+    LanguageName,
+    LinkLabel,
+    ImageLabel,
+    Link,
+    Table,
+    TableHeader,
+    Italic,
+    Bold,
+    Underline,
+    Strikethrough,
+    HorizontalRule,
+    Tag,
+    Attribute,
+    CheckDone,
+    CheckNotDone,
+    Count
+  } type;
+};
+
+struct Highlight {
+  enum : uint8_t {
+    None = 0,
+    Bold = 1 << 0,
+    Italic = 1 << 1,
+    Strikethrough = 1 << 2,
+    Underline = 1 << 3,
+  };
+  uint32_t fg;
+  uint32_t bg;
+  uint8_t flags;
+};
+} // namespace bed::internal::io