D:\a\tools.proto\tools.proto\dynamic\src\buffer\buffer.rs
Line | Count | Source |
1 | | // Copyright (c) 2025, BlockProject 3D |
2 | | // |
3 | | // All rights reserved. |
4 | | // |
5 | | // Redistribution and use in source and binary forms, with or without modification, |
6 | | // are permitted provided that the following conditions are met: |
7 | | // |
8 | | // * Redistributions of source code must retain the above copyright notice, |
9 | | // this list of conditions and the following disclaimer. |
10 | | // * Redistributions in binary form must reproduce the above copyright notice, |
11 | | // this list of conditions and the following disclaimer in the documentation |
12 | | // and/or other materials provided with the distribution. |
13 | | // * Neither the name of BlockProject 3D nor the names of its contributors |
14 | | // may be used to endorse or promote products derived from this software |
15 | | // without specific prior written permission. |
16 | | // |
17 | | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
18 | | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
19 | | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
20 | | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
21 | | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
22 | | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
24 | | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
25 | | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
26 | | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
27 | | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | | |
29 | | use std::cell::Cell; |
30 | | use std::rc::Rc; |
31 | | use crate::buffer::unsafe_buffer::UnsafeBuffer; |
32 | | |
33 | | #[derive(Debug)] |
34 | | pub struct Buffer<'a> { |
35 | | pub(super) unsafe_buffer: UnsafeBuffer<'a>, |
36 | | pub(super) flat: Rc<Cell<bool>>, |
37 | | pub(super) offset: usize |
38 | | } |
39 | | |
40 | | impl<'a> Buffer<'a> { |
41 | 7 | pub fn set_bytes(&mut self, bytes: &'a [u8]) { |
42 | 7 | self.unsafe_buffer = UnsafeBuffer::Borrowed(bytes); |
43 | 7 | self.offset = 0; |
44 | 7 | self.flat.set(false); |
45 | 7 | } |
46 | | |
47 | 5 | pub fn copy_from(&mut self, bytes: &[u8]) { |
48 | 5 | let new_flat = unsafe { self.unsafe_buffer.copy(bytes) }; |
49 | 5 | if self.flat.get() == true { Branch (49:12): [True: 2, False: 0]
Branch (49:12): [True: 0, False: 3]
|
50 | 2 | self.flat.set(new_flat); |
51 | 3 | } |
52 | 5 | } |
53 | | |
54 | | #[inline(always)] |
55 | 227 | pub fn as_bytes(&self) -> &[u8] { |
56 | 227 | self.unsafe_buffer.as_bytes() |
57 | 227 | } |
58 | | |
59 | | #[inline(always)] |
60 | 19 | pub fn as_bytes_mut(&mut self) -> &mut [u8] { |
61 | 19 | self.unsafe_buffer.as_bytes_mut() |
62 | 19 | } |
63 | | |
64 | | #[inline(always)] |
65 | 188 | pub fn len(&self) -> usize { |
66 | 188 | self.unsafe_buffer.len() |
67 | 188 | } |
68 | | |
69 | | #[inline(always)] |
70 | 0 | pub fn offset(&self) -> usize { |
71 | 0 | self.offset |
72 | 0 | } |
73 | | |
74 | | #[inline(always)] |
75 | 27 | pub fn is_empty(&self) -> bool { |
76 | 27 | self.len() == 0 |
77 | 27 | } |
78 | | } |