first sketch

1 files changed, 38 insertions, 0 deletions

diff --git a/src/lua/iobuffer.rs b/src/lua/iobuffer.rs
new file mode 100644
index 0000000..1150e0d
--- /dev/null
+++ b/src/lua/iobuffer.rs
@@ -0,0 +1,38 @@
+use std::sync::RwLock;
+
+pub struct IoBuffer {
+    buffer: String,
+}
+
+impl IoBuffer {
+    const fn new() -> Self {
+        Self {
+            buffer: String::new(),
+        }
+    }
+
+    pub fn get(&self) -> String {
+        self.buffer.clone()
+    }
+
+    pub fn write<S>(&mut self, value: S)
+    where
+        S: AsRef<str>
+    {
+        self.buffer += value.as_ref();
+    }
+
+    pub fn writeln<S>(&mut self, value: S)
+    where
+        S: AsRef<str>
+    {
+        self.buffer += value.as_ref();
+        self.buffer += "\n";
+    }
+}
+
+static STDOUT_BUFFER: RwLock<IoBuffer> = RwLock::new(IoBuffer::new());
+
+pub fn iobuffer() -> &'static RwLock<IoBuffer> {
+    &STDOUT_BUFFER
+}