clap/args/arg_builder/
valued.rs

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1use std::{
2    ffi::{OsStr, OsString},
3    rc::Rc,
4};
5
6use crate::{map::VecMap, Arg};
7
8#[allow(missing_debug_implementations)]
9#[derive(Clone)]
10pub struct Valued<'a, 'b>
11where
12    'a: 'b,
13{
14    pub possible_vals: Option<Vec<&'b str>>,
15    pub val_names: Option<VecMap<&'b str>>,
16    pub num_vals: Option<u64>,
17    pub max_vals: Option<u64>,
18    pub min_vals: Option<u64>,
19    #[cfg_attr(feature = "cargo-clippy", allow(clippy::type_complexity))]
20    pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
21    #[cfg_attr(feature = "cargo-clippy", allow(clippy::type_complexity))]
22    pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
23    pub val_delim: Option<char>,
24    pub default_val: Option<&'b OsStr>,
25    #[cfg_attr(feature = "cargo-clippy", allow(clippy::type_complexity))]
26    pub default_vals_ifs: Option<VecMap<(&'a str, Option<&'b OsStr>, &'b OsStr)>>,
27    pub env: Option<(&'a OsStr, Option<OsString>)>,
28    pub terminator: Option<&'b str>,
29}
30
31impl<'n, 'e> Default for Valued<'n, 'e> {
32    fn default() -> Self {
33        Valued {
34            possible_vals: None,
35            num_vals: None,
36            min_vals: None,
37            max_vals: None,
38            val_names: None,
39            validator: None,
40            validator_os: None,
41            val_delim: None,
42            default_val: None,
43            default_vals_ifs: None,
44            env: None,
45            terminator: None,
46        }
47    }
48}
49
50impl<'n, 'e> Valued<'n, 'e> {
51    pub fn fill_in(&mut self) {
52        if let Some(ref vec) = self.val_names {
53            if vec.len() > 1 {
54                self.num_vals = Some(vec.len() as u64);
55            }
56        }
57    }
58}
59
60impl<'n, 'e, 'z> From<&'z Arg<'n, 'e>> for Valued<'n, 'e> {
61    fn from(a: &'z Arg<'n, 'e>) -> Self {
62        let mut v = a.v.clone();
63        if let Some(ref vec) = a.v.val_names {
64            if vec.len() > 1 {
65                v.num_vals = Some(vec.len() as u64);
66            }
67        }
68        v
69    }
70}
clap/args/arg_builder/valued.rs

clap/args/arg_builder/
valued.rs
