| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| //! This module contains two main structs: [Buffer] and [MutableBuffer]. A buffer represents |
| //! a contiguous memory region that can be shared via `offsets`. |
| |
| mod immutable; |
| pub use immutable::*; |
| mod mutable; |
| pub use mutable::*; |
| mod ops; |
| pub(super) use ops::*; |
| |
| use crate::error::{ArrowError, Result}; |
| use std::ops::{BitAnd, BitOr, Not}; |
| |
| impl<'a, 'b> BitAnd<&'b Buffer> for &'a Buffer { |
| type Output = Result<Buffer>; |
| |
| fn bitand(self, rhs: &'b Buffer) -> Result<Buffer> { |
| if self.len() != rhs.len() { |
| return Err(ArrowError::ComputeError( |
| "Buffers must be the same size to apply Bitwise AND.".to_string(), |
| )); |
| } |
| |
| let len_in_bits = self.len() * 8; |
| Ok(buffer_bin_and(&self, 0, &rhs, 0, len_in_bits)) |
| } |
| } |
| |
| impl<'a, 'b> BitOr<&'b Buffer> for &'a Buffer { |
| type Output = Result<Buffer>; |
| |
| fn bitor(self, rhs: &'b Buffer) -> Result<Buffer> { |
| if self.len() != rhs.len() { |
| return Err(ArrowError::ComputeError( |
| "Buffers must be the same size to apply Bitwise OR.".to_string(), |
| )); |
| } |
| |
| let len_in_bits = self.len() * 8; |
| |
| Ok(buffer_bin_or(&self, 0, &rhs, 0, len_in_bits)) |
| } |
| } |
| |
| impl Not for &Buffer { |
| type Output = Buffer; |
| |
| fn not(self) -> Buffer { |
| let len_in_bits = self.len() * 8; |
| buffer_unary_not(&self, 0, len_in_bits) |
| } |
| } |