axfive_matrix_dicebot/
dice.rs

1pub mod parser;
2
3use std::fmt;
4use std::ops::{Deref, DerefMut};
5
6#[derive(Debug, PartialEq, Eq, Clone, Copy)]
7pub struct Dice {
8    pub(crate) count: u32,
9    pub(crate) sides: u32,
10}
11
12impl fmt::Display for Dice {
13    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
14        write!(f, "{}d{}", self.count, self.sides)
15    }
16}
17
18impl Dice {
19    fn new(count: u32, sides: u32) -> Dice {
20        Dice { count, sides }
21    }
22}
23
24#[derive(Debug, PartialEq, Eq, Clone, Copy)]
25pub enum Element {
26    Dice(Dice),
27    Bonus(u32),
28}
29
30impl fmt::Display for Element {
31    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
32        match self {
33            Element::Dice(d) => write!(f, "{}", d),
34            Element::Bonus(b) => write!(f, "{}", b),
35        }
36    }
37}
38
39#[derive(Debug, PartialEq, Eq, Clone, Copy)]
40pub enum SignedElement {
41    Positive(Element),
42    Negative(Element),
43}
44
45impl fmt::Display for SignedElement {
46    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
47        match self {
48            SignedElement::Positive(e) => write!(f, "{}", e),
49            SignedElement::Negative(e) => write!(f, "-{}", e),
50        }
51    }
52}
53
54#[derive(Debug, PartialEq, Eq, Clone)]
55pub struct ElementExpression(Vec<SignedElement>);
56
57impl Deref for ElementExpression {
58    type Target = Vec<SignedElement>;
59
60    fn deref(&self) -> &Self::Target {
61        &self.0
62    }
63}
64
65impl DerefMut for ElementExpression {
66    fn deref_mut(&mut self) -> &mut Self::Target {
67        &mut self.0
68    }
69}
70
71impl fmt::Display for ElementExpression {
72    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
73        let mut iter = self.0.iter();
74        if let Some(first) = iter.next() {
75            write!(f, "{}", first)?;
76            for roll in iter {
77                match roll {
78                    SignedElement::Positive(e) => write!(f, " + {}", e)?,
79                    SignedElement::Negative(e) => write!(f, " - {}", e)?,
80                }
81            }
82        }
83        Ok(())
84    }
85}
axfive_matrix_dicebot/dice.rs

axfive_matrix_dicebot/
dice.rs
