From 197861b4c85c8dd06d3507ab1f4fb6fb846d4703 Mon Sep 17 00:00:00 2001
From: lisiur <lisiurday@gmail.com>
Date: Mon, 15 May 2023 09:17:55 +0800
Subject: [PATCH] feat(plugin): add host-print

---
 service/src/plugin/mod.rs       | 7 +++++++
 service/src/plugin/wit/host.wit | 1 +
 2 files changed, 8 insertions(+)

diff --git a/service/src/plugin/mod.rs b/service/src/plugin/mod.rs
index 8d5d61f..5905661 100644
--- a/service/src/plugin/mod.rs
+++ b/service/src/plugin/mod.rs
@@ -1,3 +1,4 @@
+use std::io::Write;
 use std::time::Duration;
 
 use crate::services::plugin::PluginService;
@@ -127,6 +128,12 @@ impl Host_Imports for RunningPluginState {
     async fn host_select(&mut self, options: Vec<String>) -> wasmtime::Result<Option<String>> {
         Ok(self.select(options.iter().map(|x| x.as_str()).collect()))
     }
+
+    async fn host_print(&mut self, message: String) -> wasmtime::Result<()> {
+        print!("{}", message);
+        std::io::stdout().flush().unwrap();
+        Ok(())
+    }
 }
 
 pub struct RunningPlugin {
diff --git a/service/src/plugin/wit/host.wit b/service/src/plugin/wit/host.wit
index 7022480..b1e49e0 100644
--- a/service/src/plugin/wit/host.wit
+++ b/service/src/plugin/wit/host.wit
@@ -6,6 +6,7 @@ default world host {
   import host-loading: func(loading: bool)
   import host-input: func(prompt: string) -> option<string>
   import host-select: func(options: list<string>) -> option<string>
+  import host-print: func(message: string)
 
   export run: func()
 }