appcore-args 1.0.1-rc.8

Bounded cross-platform argument parsing, help and completion for AppCore executables
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

use std::fmt;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum CliErrorKind {
    InvalidInput,
    InvalidSpecification,
    UnknownOption,
    UnexpectedArgument,
    MissingCommand,
    MissingOption,
    MissingValue,
    InvalidValue,
    DuplicateOption,
    OptionConflict,
    MissingRequirement,
}

#[derive(Clone, Debug, PartialEq, Eq)]
pub struct CliError {
    kind: CliErrorKind,
    message: String,
}

impl CliError {
    pub fn new(kind: CliErrorKind, message: impl Into<String>) -> Self {
        Self {
            kind,
            message: message.into(),
        }
    }

    pub fn kind(&self) -> CliErrorKind {
        self.kind
    }
}

impl fmt::Display for CliError {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        formatter.write_str(&self.message)
    }
}

impl std::error::Error for CliError {}