neurocyte/flow
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feat: save and restore file MRU state per project

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This commit is contained in:
CJ van den Berg 2024-04-11 18:36:54 +02:00
parent 1d9155864d
commit 1288021682
2 changed files with 93 additions and 1 deletions
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37
src/Project.zig
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@ -20,6 +20,7 @@ const File = struct {
mtime: i128,
row: usize = 0,
col: usize = 0,
visited: bool = false,
};
pub fn init(a: std.mem.Allocator, name: []const u8) error{OutOfMemory}!Self {
@ -48,6 +49,34 @@ pub fn deinit(self: *Self) void {
self.a.free(self.name);
}
pub fn write_state(self: *Self, writer: anytype) !void {
for (self.files.items) |file| {
if (!file.visited) continue;
try cbor.writeArrayHeader(writer, 4);
try cbor.writeValue(writer, file.path);
try cbor.writeValue(writer, file.mtime);
try cbor.writeValue(writer, file.row);
try cbor.writeValue(writer, file.col);
}
}
pub fn restore_state(self: *Self, data: []const u8) !void {
var path: []const u8 = undefined;
var mtime: i128 = undefined;
var row: usize = undefined;
var col: usize = undefined;
defer self.sort_files_by_mtime();
var iter: []const u8 = data;
while (try cbor.matchValue(&iter, .{
tp.extract(&path),
tp.extract(&mtime),
tp.extract(&row),
tp.extract(&col),
})) {
try self.update_mru_internal(path, mtime, row, col);
}
}
fn get_lsp(self: *Self, language_server: []const u8) !LSP {
if (self.language_servers.get(language_server)) |lsp| return lsp;
const lsp = try LSP.open(self.a, .{ .buf = language_server });
@ -113,13 +142,19 @@ pub fn query_recent_files(self: *Self, from: tp.pid_ref, max: usize, query: []co
}
pub fn update_mru(self: *Self, file_path: []const u8, row: usize, col: usize) !void {
defer self.sort_files_by_mtime();
try self.update_mru_internal(file_path, std.time.nanoTimestamp(), row, col);
}
fn update_mru_internal(self: *Self, file_path: []const u8, mtime: i128, row: usize, col: usize) !void {
defer self.sort_files_by_mtime();
for (self.files.items) |*file| {
if (!std.mem.eql(u8, file.path, file_path)) continue;
file.mtime = std.time.nanoTimestamp();
file.mtime = mtime;
if (row != 0) {
file.row = row;
file.col = col;
file.visited = true;
}
return;
}