Cleanup

include/vase/buffer/append.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "buffer.h"
+#include "pch.h"
+#include <cstdint>
+
+struct AppendBuffer : Buffer {
+  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);
+
+  const char *read(uint32_t pos, uint32_t *out_len);
+  uint32_t count_lines(uint32_t pos, uint32_t length);
+
+private:
+  inline void new_text_chunk();
+  inline void new_line_chunk();
+
+  inline uint32_t find_newline(uint32_t target, uint32_t low, uint32_t high);
+
+  inline void _append(const char *text, uint32_t length);
+};