From eee837f69b19a6da03222733f1da63df318a8c0d Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 10 May 2022 11:57:42 -0700
Subject: [PATCH] osc: prompt_end

---
 src/terminal/osc.zig | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/terminal/osc.zig b/src/terminal/osc.zig
index 52881f4dc..52c120c86 100644
--- a/src/terminal/osc.zig
+++ b/src/terminal/osc.zig
@@ -28,6 +28,10 @@ pub const Command = union(enum) {
         aid: ?[]const u8 = null,
     },
 
+    /// End of prompt and start of user input, terminated by a OSC "133;C"
+    /// or another prompt (OSC "133;P").
+    prompt_end: void,
+
     /// End of current command.
     ///
     /// The exit-code need not be specified if  if there are no options,
@@ -162,6 +166,12 @@ pub const Parser = struct {
                     self.complete = true;
                 },
 
+                'B' => {
+                    self.state = .semantic_option_start;
+                    self.command = .{ .prompt_end = .{} };
+                    self.complete = true;
+                },
+
                 'D' => {
                     self.state = .semantic_exit_code_start;
                     self.command = .{ .end_of_command = .{} };
@@ -331,3 +341,15 @@ test "OSC: end_of_command with exit code" {
     try testing.expect(cmd == .end_of_command);
     try testing.expectEqual(@as(u8, 25), cmd.end_of_command.exit_code.?);
 }
+
+test "OSC: prompt_end" {
+    const testing = std.testing;
+
+    var p: Parser = .{};
+
+    const input = "133;B";
+    for (input) |ch| p.next(ch);
+
+    const cmd = p.end().?;
+    try testing.expect(cmd == .prompt_end);
+}