minifier/json/read/
internal_buffer.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3const ARRAY_DEFAULT: u8 = 0;
4
5#[derive(Debug)]
6pub struct Buffer {
7    buffer: Vec<u8>,
8    read_pos: usize,
9    buffer_size: usize,
10    data_size: usize,
11}
12
13impl Buffer {
14    pub fn new(size: usize) -> Buffer {
15        Buffer {
16            buffer: vec![ARRAY_DEFAULT; size],
17            read_pos: 0,
18            buffer_size: size,
19            data_size: 0,
20        }
21    }
22
23    pub fn as_mut(&mut self) -> &mut [u8] {
24        self.buffer.as_mut()
25    }
26
27    pub fn update_metadata(&mut self, size: usize) {
28        self.read_pos = 0;
29        self.data_size = size;
30    }
31
32    pub fn next(&mut self) -> Option<u8> {
33        if self.read_pos >= self.data_size {
34            return None;
35        }
36        let item = self.buffer.get(self.read_pos);
37        self.read_pos += 1;
38        item.copied()
39    }
40
41    pub fn cont(&self) -> bool {
42        self.data_size == self.buffer_size
43    }
44}
minifier/json/read/internal_buffer.rs

minifier/json/read/
internal_buffer.rs
