From e93ea9ae1058334fc72b7795021bb42c1bd64401 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Wed, 3 Jun 2026 00:34:01 +0900
Subject: feat(io): add as_any downcast shims for IOInterface and
 OutputInterface

Introduce the cross-cutting downcast base for PHP `instanceof` checks on
io/output trait objects: `IOInterface::as_any` (ConsoleIO/NullIO/BufferIO)
and `OutputInterface::as_console_output_interface` (promoting ConsoleOutput
to a proper ConsoleOutputInterface). Wire the resolved downcasts in
ConsoleIO error output, Auditor table format, and the event dispatcher.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 .../symfony/component/console/output/console_output.rs  | 17 ++++++++++++++++-
 .../component/console/output/output_interface.rs        |  7 +++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

(limited to 'crates/shirabe-external-packages/src/symfony/component/console/output')

diff --git a/crates/shirabe-external-packages/src/symfony/component/console/output/console_output.rs b/crates/shirabe-external-packages/src/symfony/component/console/output/console_output.rs
index c834394..332cbd1 100644
--- a/crates/shirabe-external-packages/src/symfony/component/console/output/console_output.rs
+++ b/crates/shirabe-external-packages/src/symfony/component/console/output/console_output.rs
@@ -1,4 +1,5 @@
 use crate::symfony::component::console::formatter::OutputFormatter;
+use crate::symfony::component::console::output::ConsoleOutputInterface;
 use crate::symfony::component::console::output::OutputInterface;
 
 #[derive(Debug)]
@@ -12,13 +13,27 @@ impl ConsoleOutput {
     ) -> Self {
         todo!()
     }
+}
+
+impl ConsoleOutputInterface for ConsoleOutput {
+    fn get_error_output(&self) -> &dyn OutputInterface {
+        todo!()
+    }
 
-    pub fn get_error_output(&self) -> &dyn OutputInterface {
+    fn set_error_output(&mut self, _error: Box<dyn OutputInterface>) {
         todo!()
     }
 }
 
 impl OutputInterface for ConsoleOutput {
+    fn is_console_output_interface(&self) -> bool {
+        true
+    }
+
+    fn as_console_output_interface(&self) -> Option<&dyn ConsoleOutputInterface> {
+        Some(self)
+    }
+
     fn write(&self, _messages: &str, _newline: bool, _type: i64) {
         todo!()
     }
diff --git a/crates/shirabe-external-packages/src/symfony/component/console/output/output_interface.rs b/crates/shirabe-external-packages/src/symfony/component/console/output/output_interface.rs
index 36b6c08..11fb82e 100644
--- a/crates/shirabe-external-packages/src/symfony/component/console/output/output_interface.rs
+++ b/crates/shirabe-external-packages/src/symfony/component/console/output/output_interface.rs
@@ -1,4 +1,5 @@
 use crate::symfony::component::console::formatter::OutputFormatter;
+use crate::symfony::component::console::output::ConsoleOutputInterface;
 
 pub trait OutputInterface {
     // PHP class semantics: OutputInterface methods take &self with interior mutability,
@@ -21,6 +22,12 @@ pub trait OutputInterface {
         false
     }
 
+    /// PHP: `$output instanceof ConsoleOutputInterface`. Returns the output as a
+    /// ConsoleOutputInterface trait object when it is one. Default None; ConsoleOutput overrides.
+    fn as_console_output_interface(&self) -> Option<&dyn ConsoleOutputInterface> {
+        None
+    }
+
     /// PHP: only StreamOutput exposes `getStream()`. Default panics for outputs without one.
     fn get_stream(&self) -> shirabe_php_shim::PhpResource {
         todo!("get_stream not available on this OutputInterface implementation")
-- 
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