altrios_core/
combo_error.rs

1use std::fmt::{Debug, Display};
2use std::ops::{Deref, DerefMut};
3
4/// Define a better trait bound for all error types!
5#[derive(Debug, PartialEq, Eq, Clone)]
6pub struct ComboError<E: Display> {
7    layer: usize,
8    error: E,
9}
10
11impl<E: Debug + Display> ComboError<E> {
12    pub fn new(error: E) -> Self {
13        Self { layer: 0, error }
14    }
15}
16
17impl<E: Debug + Display> Deref for ComboError<E> {
18    type Target = E;
19    fn deref(&self) -> &E {
20        &self.error
21    }
22}
23
24impl<E: Debug + Display> DerefMut for ComboError<E> {
25    fn deref_mut(&mut self) -> &mut E {
26        &mut self.error
27    }
28}
29
30pub struct ComboErrors<E: Debug + Display>(Vec<ComboError<E>>);
31
32impl<E: Debug + Display> ComboErrors<E> {
33    #[inline]
34    pub fn new() -> Self {
35        ComboErrors(vec![])
36    }
37
38    #[inline]
39    pub fn add_context(&mut self, error_add: E) {
40        for error in &mut self.0 {
41            error.layer += 1;
42        }
43        self.0.insert(0, ComboError::<E>::new(error_add));
44    }
45    #[inline]
46    pub fn push(&mut self, error_add: E) {
47        self.0.push(ComboError::<E>::new(error_add));
48    }
49
50    #[inline]
51    pub fn make_err(self) -> Result<(), Self> {
52        if self.is_empty() {
53            Ok(())
54        } else {
55            Err(self)
56        }
57    }
58}
59
60impl<E: Debug + Display> Default for ComboErrors<E> {
61    fn default() -> Self {
62        Self::new()
63    }
64}
65
66impl<E: Debug + Display> Deref for ComboErrors<E> {
67    type Target = Vec<ComboError<E>>;
68    fn deref(&self) -> &Vec<ComboError<E>> {
69        &self.0
70    }
71}
72impl<E: Debug + Display> DerefMut for ComboErrors<E> {
73    fn deref_mut(&mut self) -> &mut Vec<ComboError<E>> {
74        &mut self.0
75    }
76}
77impl<E: Debug + Display> std::error::Error for ComboErrors<E> {}
78
79impl<E: Debug + Display> Display for ComboErrors<E> {
80    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
81        let bullet = "- ";
82        let tab = "  ";
83        writeln!(f, "Combo error:")?;
84        for error in &self.0 {
85            writeln!(f, "{}{}{}", tab.repeat(error.layer), bullet, error.error)?;
86        }
87        Ok(())
88    }
89}
90
91impl<E: Debug + Display> Debug for ComboErrors<E> {
92    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
93        let bullet = "- ";
94        let tab = "  ";
95        writeln!(f, "Combo error:")?;
96        for error in &self.0 {
97            writeln!(f, "{}{}{:?}", tab.repeat(error.layer), bullet, error.error)?;
98        }
99        Ok(())
100    }
101}
altrios_core/combo_error.rs

altrios_core/
combo_error.rs
