Major changes to api and structure.

- Remove newline caching
- limit petal sizes
- make public facing api use points only
- fix iterators (chunk & line)

include/vase/vase.h

@@ -2,46 +2,44 @@
 
 #include "buffer/append.h"
 #include "buffer/original.h"
-#include "iterators/chunk.h"
 #include "iterators/line.h"
 #include "pch.h"
 #include "search.h"
 #include "shard.h"
+#include "utils/utils.h"
 
 struct Vase {
-  OriginalBuffer original;
-  AppendBuffer append;
-
-  /*std::vector<Shard *> undo; // TODO: later
-  uint8_t top; // of the undo stack.
-  uint8_t max; // for redo when no edits have been done after some undo.*/
-
-  Shard *root;
-
   Vase(char *data, uint32_t length);
 
   ~Vase();
 
   uint32_t length();
-
   std::string to_string();
-  static void flatten(Shard *s, std::string &out);
 
-  void type(uint32_t offset, char key);
-  void insert(uint32_t offset, const char *data, uint32_t len);
-  void erase(uint32_t cursor, int64_t amount);
+  Point resolve_column(uint32_t line, uint32_t column);
 
-  // Grapheme clusters or the specail cluster "\r\n'
-  void erase_clusters(uint32_t cursor, int64_t amount);
-
-  // moves in clusters from line,col and sets new position to line,col returns false if not enough space to jump.
-  bool jump_clusters(uint32_t *line, uint32_t *col, int64_t amount);
-
-  // need to also make helpers for line width.
+  LineIterator iterate(uint32_t line);
 
+  void input(Point *point, char key);
+  void insert(Point *point, const char *data, uint32_t len);
+  void erase(Point *point, int64_t amount);
+  bool jump(Point *point, int64_t amount);
+  bool clamp(Point *point);
   void regex_search_replace(
     std::string_view pattern,
-    uint32_t start_offset, uint32_t end_offset,
+    Point start, Point end,
     std::string_view replace, std::string_view options
   );
+
+private:
+  OriginalBuffer original;
+  AppendBuffer append;
+  Shard *root;
+
+  /*std::vector<Shard *> undo; // TODO: later
+  uint16_t top; // of the undo stack.
+  uint16_t max; // for redo when no edits have been done after some undo.*/
+
+  uint32_t offset_of(Point point);
+  static void flatten(Shard *s, std::string &out);
 };