1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/handlebars/src/output.rs b/vendor/handlebars/src/output.rs
new file mode 100644
index 000000000..f1c5865a5
--- /dev/null
+++ b/vendor/handlebars/src/output.rs
@@ -0,0 +1,48 @@
+use std::io::{Error as IOError, Write};
+use std::string::FromUtf8Error;
+
+/// The Output API.
+///
+/// Handlebars uses this trait to define rendered output.
+pub trait Output {
+    fn write(&mut self, seg: &str) -> Result<(), IOError>;
+}
+
+pub struct WriteOutput<W: Write> {
+    write: W,
+}
+
+impl<W: Write> Output for WriteOutput<W> {
+    fn write(&mut self, seg: &str) -> Result<(), IOError> {
+        self.write.write_all(seg.as_bytes())
+    }
+}
+
+impl<W: Write> WriteOutput<W> {
+    pub fn new(write: W) -> WriteOutput<W> {
+        WriteOutput { write }
+    }
+}
+
+pub struct StringOutput {
+    buf: Vec<u8>,
+}
+
+impl Output for StringOutput {
+    fn write(&mut self, seg: &str) -> Result<(), IOError> {
+        self.buf.extend_from_slice(seg.as_bytes());
+        Ok(())
+    }
+}
+
+impl StringOutput {
+    pub fn new() -> StringOutput {
+        StringOutput {
+            buf: Vec::with_capacity(8 * 1024),
+        }
+    }
+
+    pub fn into_string(self) -> Result<String, FromUtf8Error> {
+        String::from_utf8(self.buf)
+    }
+}