1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
use crate::system::filesystem_stream::FilesystemStream;
pub struct FilesystemStreamMemory {
name: String,
data: Vec<u8>,
pos: usize,
}
impl FilesystemStreamMemory {
pub fn open(name: &str, data: &Vec<u8>) -> Self {
Self {
name: name.to_owned(),
data: data.clone(), pos: 0,
}
}
}
impl FilesystemStream for FilesystemStreamMemory {
fn size(&self) -> usize {
self.data.len()
}
fn pos(&self) -> usize {
self.pos
}
fn set_pos(&mut self, pos: usize) {
self.pos = pos;
}
fn read_u8(&mut self) -> u8 {
match self.data.get(self.pos) {
None => {
println!("Warning: Failed to get u8 for MemoryStream");
0
},
Some(b) => {
self.pos += 1;
*b
},
}
}
fn is_valid(&self) -> bool {
true
}
fn eof(&self) -> bool {
self.pos >= self.data.len()
}
fn name(&self) -> &str {
&self.name
}
fn filesystem_stream_type(&self) -> &str {
"Memory"
}
}