serde_teamspeak_querystring/
error.rs

1use std::fmt;
2
3#[derive(Debug, Eq, PartialEq)]
4pub enum ErrorKind {
5    UnexpectedType,
6    InvalidLength,
7    InvalidEncoding,
8    InvalidNumber,
9    InvalidBoolean,
10    Other,
11}
12
13#[derive(Debug, Eq, PartialEq)]
14pub struct Error {
15    pub kind: ErrorKind,
16    pub message: String,
17
18    // The key causing the error
19    pub key: String,
20
21    // The value causing the error
22    pub value: Option<String>,
23
24    // The index of first problematic byte in the value
25    // If the value is None, index will be None too
26    pub index: Option<usize>,
27}
28
29impl Error {
30    pub(crate) fn new(kind: ErrorKind) -> Self {
31        Error {
32            kind,
33            message: String::new(),
34            key: String::new(),
35            value: None,
36            index: None,
37        }
38    }
39
40    pub(crate) fn message(mut self, message: String) -> Self {
41        self.message = message;
42        self
43    }
44
45    pub(crate) fn key(mut self, key: &[u8]) -> Self {
46        self.key = String::from_utf8_lossy(key).to_string();
47        self
48    }
49
50    pub(crate) fn value(mut self, value: &[u8]) -> Self {
51        self.value = Some(String::from_utf8_lossy(value).to_string());
52        self
53    }
54
55    pub(crate) fn index(mut self, index: usize) -> Self {
56        self.index = Some(index);
57        self
58    }
59}
60
61impl serde::de::Error for Error {
62    fn custom<T>(msg: T) -> Self
63    where
64        T: fmt::Display,
65    {
66        Error::new(ErrorKind::Other).message(msg.to_string())
67    }
68}
69
70impl std::error::Error for Error {}
71
72impl fmt::Display for Error {
73    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> fmt::Result {
74        match &self.value {
75            Some(v) => match self.index {
76                Some(i) => f.write_fmt(format_args!(
77                    "Error {:?}: {} in '{}={}' at index {}",
78                    self.kind,
79                    self.message,
80                    self.key,
81                    v,
82                    i + self.key.len() + 2
83                )),
84                None => f.write_fmt(format_args!(
85                    "Error {:?}: {} in '{}={}'",
86                    self.kind, self.message, self.key, v
87                )),
88            },
89            None => f.write_fmt(format_args!(
90                "Error {:?}: {} for key '{}'",
91                self.kind, self.message, self.key
92            )),
93        }
94    }
95}
96
97pub type Result<T> = std::result::Result<T, Error>;
serde_teamspeak_querystring/error.rs

serde_teamspeak_querystring/
error.rs
