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 +1,28 @@
+#pragma once
+
+#include "append_buffer.h"
+#include "original_buffer.h"
+#include "pch.h"
+#include "shard.h"
+
+struct Vase {
+  OriginalBuffer original;
+  AppendBuffer append;
+
+  std::vector<ShardPtr> undo;
+  uint8_t top; // of the undo stack.
+  uint8_t max; // for redo when no edits have been done after some undo.
+
+  ShardPtr root;
+
+  Vase(char *data, uint32_t length)
+      : original(data, length),
+        append() {
+    root = new Petal(
+      length,
+      original.newlines.size(),
+      Petal::Kind::Original,
+      0
+    );
+  }
+};