build(ariadne): vendor clap

third_party/crates/anstream-1.0.0/src/buffer.rs

@@ -0,0 +1,56 @@
+#![allow(deprecated)]
+
+/// In-memory [`RawStream`][crate::stream::RawStream]
+#[derive(Clone, Default, Debug, PartialEq, Eq)]
+#[deprecated(since = "0.6.2", note = "Use Vec")]
+#[doc(hidden)]
+pub struct Buffer(Vec<u8>);
+
+impl Buffer {
+    #[inline]
+    pub fn new() -> Self {
+        Default::default()
+    }
+
+    #[inline]
+    pub fn with_capacity(capacity: usize) -> Self {
+        Self(Vec::with_capacity(capacity))
+    }
+
+    #[inline]
+    pub fn as_bytes(&self) -> &[u8] {
+        &self.0
+    }
+}
+
+impl AsRef<[u8]> for Buffer {
+    #[inline]
+    fn as_ref(&self) -> &[u8] {
+        self.as_bytes()
+    }
+}
+
+impl std::io::Write for Buffer {
+    #[inline]
+    fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
+        self.0.extend(buf);
+        Ok(buf.len())
+    }
+
+    #[inline]
+    fn flush(&mut self) -> std::io::Result<()> {
+        Ok(())
+    }
+}
+
+#[cfg(all(windows, feature = "wincon"))]
+impl anstyle_wincon::WinconStream for Buffer {
+    fn write_colored(
+        &mut self,
+        fg: Option<anstyle::AnsiColor>,
+        bg: Option<anstyle::AnsiColor>,
+        data: &[u8],
+    ) -> std::io::Result<usize> {
+        self.0.write_colored(fg, bg, data)
+    }
+}