parsers/
lib.rs

1pub mod json_parser;
2pub mod toml_parser;
3pub mod yaml_parser;
4
5pub enum SupportedFiles {
6    Json,
7    Toml,
8    Yaml,
9}
10
11impl SupportedFiles {
12    pub fn maybe_from_str(input: &str) -> Option<SupportedFiles> {
13        match input {
14            "json" => Some(SupportedFiles::Json),
15            "toml" => Some(SupportedFiles::Toml),
16            "yaml" => Some(SupportedFiles::Yaml),
17            _ => None,
18        }
19    }
20}
21
22#[derive(Debug)]
23pub enum TError {
24    NoInput,
25    KeyNotExist(String),
26    ConversionError(String, Box<dyn std::error::Error>),
27    Other(Box<dyn std::error::Error>),
28}
29
30impl std::error::Error for TError {}
31
32impl std::fmt::Display for TError {
33    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
34        write!(f, "{:#?}", self)
35    }
36}
37
38macro_rules! impl_error {
39    ($ty:ty) => {
40        impl std::convert::From<$ty> for TError {
41            fn from(err: $ty) -> Self {
42                TError::Other(Box::new(err))
43            }
44        }
45    };
46}
47
48impl_error!(std::num::ParseIntError);
49impl_error!(serde_json::Error);
50impl_error!(serde_yaml::Error);
51impl_error!(toml::de::Error);
52impl_error!(std::io::Error);
53
54trait Solver {
55    fn solve(input: &str, expression: Option<&str>) -> String;
56}
parsers/lib.rs

parsers/
lib.rs
