From ecca2d0b4c582ee01615fca7159505a42c7ba677 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Wed, 29 Jan 2025 20:43:31 +0100
Subject: [PATCH] feat(buffers): add support for buffer metadata

---
 src/buffer/Buffer.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/buffer/Buffer.zig b/src/buffer/Buffer.zig
index c2a4b16..ba06951 100644
--- a/src/buffer/Buffer.zig
+++ b/src/buffer/Buffer.zig
@@ -41,6 +41,7 @@ last_save_eol_mode: EolMode = .lf,
 file_utf8_sanitized: bool = false,
 hidden: bool = false,
 ephemeral: bool = false,
+meta: ?[]const u8 = null,
 
 undo_history: ?*UndoNode = null,
 redo_history: ?*UndoNode = null,
@@ -1064,12 +1065,23 @@ pub fn create(allocator: Allocator) error{OutOfMemory}!*Self {
 }
 
 pub fn deinit(self: *Self) void {
+    if (self.meta) |buf| self.external_allocator.free(buf);
     if (self.file_buf) |buf| self.external_allocator.free(buf);
     if (self.leaves_buf) |buf| self.external_allocator.free(buf);
     self.arena.deinit();
     self.external_allocator.destroy(self);
 }
 
+pub fn set_meta(self: *Self, meta_: []const u8) error{OutOfMemory}!void {
+    const meta = try self.external_allocator.dupe(u8, meta_);
+    if (self.meta) |buf| self.external_allocator.free(buf);
+    self.meta = meta;
+}
+
+pub fn get_meta(self: *Self) ?[]const u8 {
+    return self.meta;
+}
+
 pub fn update_last_used_time(self: *Self) void {
     self.utime = std.time.milliTimestamp();
 }