1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/core-foundation/src/data.rs b/vendor/core-foundation/src/data.rs
new file mode 100644
index 000000000..2b5010a52
--- /dev/null
+++ b/vendor/core-foundation/src/data.rs
@@ -0,0 +1,63 @@
+// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Core Foundation byte buffers.
+
+pub use core_foundation_sys::data::*;
+use core_foundation_sys::base::CFIndex;
+use core_foundation_sys::base::{kCFAllocatorDefault};
+use std::ops::Deref;
+use std::slice;
+
+use base::{CFIndexConvertible, TCFType};
+
+
+declare_TCFType!{
+    /// A byte buffer.
+    CFData, CFDataRef
+}
+impl_TCFType!(CFData, CFDataRef, CFDataGetTypeID);
+impl_CFTypeDescription!(CFData);
+
+impl CFData {
+    pub fn from_buffer(buffer: &[u8]) -> CFData {
+        unsafe {
+            let data_ref = CFDataCreate(kCFAllocatorDefault,
+                                        buffer.as_ptr(),
+                                        buffer.len().to_CFIndex());
+            TCFType::wrap_under_create_rule(data_ref)
+        }
+    }
+
+    /// Returns a pointer to the underlying bytes in this data. Note that this byte buffer is
+    /// read-only.
+    #[inline]
+    pub fn bytes<'a>(&'a self) -> &'a [u8] {
+        unsafe {
+            slice::from_raw_parts(CFDataGetBytePtr(self.0), self.len() as usize)
+        }
+    }
+
+    /// Returns the length of this byte buffer.
+    #[inline]
+    pub fn len(&self) -> CFIndex {
+        unsafe {
+            CFDataGetLength(self.0)
+        }
+    }
+}
+
+impl Deref for CFData {
+    type Target = [u8];
+
+    #[inline]
+    fn deref(&self) -> &[u8] {
+        self.bytes()
+    }
+}