Setup basic piece table like data structure.

2026-07-28 00:31:58 +01:00
parent 27e8494fc8
commit 737c6c1d20
7 changed files with 228 additions and 5 deletions
@@ -0,0 +1,30 @@
+#pragma once
+
+#include "pch.h"
+
+struct AppendBuffer {
+  static constexpr uint32_t CHUNK_SIZE = 1 << 16;
+  using TChunk = char[CHUNK_SIZE];
+  std::vector<TChunk *> buf;
+  TChunk *t_current;
+  uint32_t current_offset{0};
+  uint32_t t_offset{0};
+
+  using LChunk = uint32_t[CHUNK_SIZE];
+  std::vector<LChunk *> newlines;
+  LChunk *l_current;
+  uint32_t l_offset{0};
+
+  AppendBuffer();
+
+  ~AppendBuffer();
+
+  inline void key(char c);
+  void append(const char *text, uint32_t length);
+
+private:
+  inline void new_text_chunk();
+  inline void new_line_chunk();
+
+  inline void _append(const char *text, uint32_t length);
+};