From 109376115bb2ff70517cca79019437501d5e0fe8 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Thu, 23 Oct 2025 21:29:16 -0700
Subject: [PATCH] terminal: convert dcs

---
 src/terminal/Parser.zig       |  8 ++++++++
 src/terminal/stream.zig       | 18 +++++++++---------
 src/termio/stream_handler.zig |  3 +++
 3 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/src/terminal/Parser.zig b/src/terminal/Parser.zig
index 625591d3f..4a02e2b13 100644
--- a/src/terminal/Parser.zig
+++ b/src/terminal/Parser.zig
@@ -127,6 +127,14 @@ pub const Action = union(enum) {
         intermediates: []const u8 = "",
         params: []const u16 = &.{},
         final: u8,
+
+        pub const C = extern struct {
+            intermediates: [*]const u8,
+            intermediates_len: usize,
+            params: [*]const u16,
+            params_len: usize,
+            final: u8,
+        };
     };
 
     // Implement formatter for logging. This is mostly copied from the
diff --git a/src/terminal/stream.zig b/src/terminal/stream.zig
index 1a8e983b5..2ef7c256b 100644
--- a/src/terminal/stream.zig
+++ b/src/terminal/stream.zig
@@ -99,6 +99,9 @@ pub const Action = union(Key) {
     kitty_keyboard_set: KittyKeyboardFlags,
     kitty_keyboard_set_or: KittyKeyboardFlags,
     kitty_keyboard_set_not: KittyKeyboardFlags,
+    dcs_hook: Parser.Action.DCS,
+    dcs_put: u8,
+    dcs_unhook,
     apc_start,
     apc_end,
     apc_put: u8,
@@ -180,6 +183,9 @@ pub const Action = union(Key) {
             "kitty_keyboard_set",
             "kitty_keyboard_set_or",
             "kitty_keyboard_set_not",
+            "dcs_hook",
+            "dcs_put",
+            "dcs_unhook",
             "apc_start",
             "apc_end",
             "apc_put",
@@ -556,15 +562,9 @@ pub fn Stream(comptime Handler: type) type {
                     .csi_dispatch => |csi_action| try self.csiDispatch(csi_action),
                     .esc_dispatch => |esc| try self.escDispatch(esc),
                     .osc_dispatch => |cmd| try self.oscDispatch(cmd),
-                    .dcs_hook => |dcs| if (@hasDecl(T, "dcsHook")) {
-                        try self.handler.dcsHook(dcs);
-                    } else log.warn("unimplemented DCS hook", .{}),
-                    .dcs_put => |code| if (@hasDecl(T, "dcsPut")) {
-                        try self.handler.dcsPut(code);
-                    } else log.warn("unimplemented DCS put: {x}", .{code}),
-                    .dcs_unhook => if (@hasDecl(T, "dcsUnhook")) {
-                        try self.handler.dcsUnhook();
-                    } else log.warn("unimplemented DCS unhook", .{}),
+                    .dcs_hook => |dcs| try self.handler.vt(.dcs_hook, dcs),
+                    .dcs_put => |code| try self.handler.vt(.dcs_put, code),
+                    .dcs_unhook => try self.handler.vt(.dcs_unhook, {}),
                     .apc_start => try self.handler.vt(.apc_start, {}),
                     .apc_put => |code| try self.handler.vt(.apc_put, code),
                     .apc_end => try self.handler.vt(.apc_end, {}),
diff --git a/src/termio/stream_handler.zig b/src/termio/stream_handler.zig
index dbfa9ddb2..a44522573 100644
--- a/src/termio/stream_handler.zig
+++ b/src/termio/stream_handler.zig
@@ -303,6 +303,9 @@ pub const StreamHandler = struct {
             .end_hyperlink => try self.endHyperlink(),
             .active_status_display => self.terminal.status_display = value,
             .decaln => try self.decaln(),
+            .dcs_hook => try self.dcsHook(value),
+            .dcs_put => try self.dcsPut(value),
+            .dcs_unhook => try self.dcsUnhook(),
             .apc_start => self.apc.start(),
             .apc_end => try self.apcEnd(),
             .apc_put => self.apc.feed(self.alloc, value),