compact-pro 0.2.0

Read compressed files created by Compact Pro
Documentation 
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

use std::fmt::{self};

use binrw::io;

#[derive(Debug, Clone, Copy)]
pub enum Feature {
    Encryption,
    LzhCompression,
    RleCompression,
}

impl std::fmt::Display for Feature {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Feature::Encryption => write!(f, "Encryption"),
            Feature::LzhCompression => write!(f, "LzHuffman compression"),
            Feature::RleCompression => write!(f, "RLE compression"),
        }
    }
}

#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error(transparent)]
    BinRw(#[from] binrw::Error),
    #[error(transparent)]
    Io(#[from] std::io::Error),
    #[error("Archive uses an unsupported feature ({0})")]
    UnsupportedFeature(Feature),
    #[error("The file is not a CPT archive")]
    InvalidFile,
}

#[derive(thiserror::Error, Debug)]
pub enum VerificationError {
    #[error("One ore more checksums are invalid")]
    InvalidChecksum,

    #[error(transparent)]
    Error(#[from] Error),
}

impl From<io::Error> for VerificationError {
    fn from(value: io::Error) -> Self {
        VerificationError::Error(value.into())
    }
}