cargo fmt and all my changes

1 files changed, 71 insertions, 0 deletions

diff --git a/rust/src/databuffer.rs b/rust/src/databuffer.rs
new file mode 100644
index 00000000..d660f570
--- /dev/null
+++ b/rust/src/databuffer.rs
@@ -0,0 +1,71 @@
+// Copyright 2021 Vector 35 Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use binaryninjacore_sys::*;
+
+use std::ptr;
+use std::slice;
+
+// TODO : DataBuffers are RefCounted objects, this needs to be changed to only return Refs to DataBuffers
+
+pub struct DataBuffer(*mut BNDataBuffer);
+
+impl DataBuffer {
+    pub(crate) fn from_raw(raw: *mut BNDataBuffer) -> Self {
+        DataBuffer(raw)
+    }
+
+    pub fn get_data(&self) -> &[u8] {
+        if self.0 == ptr::null_mut() {
+            // TODO : Change the default value and remove this
+            return &[];
+        }
+        let buffer = unsafe { BNGetDataBufferContents(self.0) };
+        if buffer.is_null() {
+            &[]
+        } else {
+            unsafe { slice::from_raw_parts(buffer as *const _, self.len()) }
+        }
+    }
+
+    pub fn len(&self) -> usize {
+        unsafe { BNGetDataBufferLength(self.0) }
+    }
+
+    // pub fn new(data: ?, len: usize) -> Result<Self> {
+    //   let read_buffer = unsafe { BNCreateDataBuffer(data, len) };
+    //   if read_buffer.is_null() {
+    //     Err(())
+    //   } else {
+    //     Ok(DataBuffer::from_raw(read_buffer))
+    //   }
+    // }
+}
+
+// TODO : delete this
+impl Default for DataBuffer {
+    fn default() -> Self {
+        DataBuffer::from_raw(ptr::null_mut())
+    }
+}
+
+impl Drop for DataBuffer {
+    fn drop(&mut self) {
+        if self.0 != ptr::null_mut() {
+            unsafe {
+                BNFreeDataBuffer(self.0);
+            }
+        }
+    }
+}