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tenebrous-dicebot
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Initial commit to add keep to dice struct and preserve parser test cases

This commit is contained in:
Matthew Sparks 2021-09-06 17:23:01 -04:00
parent 125f3d0cee
commit 2654887d8c
2 changed files with 20 additions and 15 deletions
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11
dicebot/src/basic/dice.rs
View File

@ -12,17 +12,22 @@ use std::ops::{Deref, DerefMut};
pub struct Dice { pub struct Dice {
pub(crate) count: u32, pub(crate) count: u32,
pub(crate) sides: u32, pub(crate) sides: u32,
pub(crate) keep: u32,
} }
impl fmt::Display for Dice { impl fmt::Display for Dice {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}d{}", self.count, self.sides) if self.keep == self. count {
write!(f, "{}d{}", self.count, self.sides)
} else {
write!(f, "{}d{}k{}", self.count, self.sides, self.keep)
}
} }
} }
impl Dice { impl Dice {
pub fn new(count: u32, sides: u32) -> Dice { pub fn new(count: u32, sides: u32, keep: u32) -> Dice {
Dice { count, sides } Dice { count, sides, keep }
} }
} }

24
dicebot/src/basic/parser.rs
View File

@ -36,7 +36,7 @@ fn parse_dice(input: &str) -> IResult<&str, Dice> {
let (input, (count, _, sides)) = tuple((digit1, tag("d"), digit1))(input)?; let (input, (count, _, sides)) = tuple((digit1, tag("d"), digit1))(input)?;
Ok(( Ok((
input, input,
Dice::new(count.parse().unwrap(), sides.parse().unwrap()), Dice::new(count.parse().unwrap(), sides.parse().unwrap(), count.parse().unwrap()),
)) ))
} }
@ -108,16 +108,16 @@ mod tests {
use super::*; use super::*;
#[test] #[test]
fn dice_test() { fn dice_test() {
assert_eq!(parse_dice("2d4"), Ok(("", Dice::new(2, 4)))); assert_eq!(parse_dice("2d4"), Ok(("", Dice::new(2, 4, 2))));
assert_eq!(parse_dice("20d40"), Ok(("", Dice::new(20, 40)))); assert_eq!(parse_dice("20d40"), Ok(("", Dice::new(20, 40, 20))));
assert_eq!(parse_dice("8d7"), Ok(("", Dice::new(8, 7)))); assert_eq!(parse_dice("8d7"), Ok(("", Dice::new(8, 7, 8))));
} }
#[test] #[test]
fn element_test() { fn element_test() {
assert_eq!( assert_eq!(
parse_element(" \t\n\r\n 8d7 \n"), parse_element(" \t\n\r\n 8d7 \n"),
Ok((" \n", Element::Dice(Dice::new(8, 7)))) Ok((" \n", Element::Dice(Dice::new(8, 7, 8))))
); );
assert_eq!( assert_eq!(
parse_element(" \t\n\r\n 8 \n"), parse_element(" \t\n\r\n 8 \n"),
@ -139,14 +139,14 @@ mod tests {
parse_signed_element(" \t\n\r\n- 8d4 \n"), parse_signed_element(" \t\n\r\n- 8d4 \n"),
Ok(( Ok((
" \n", " \n",
SignedElement::Negative(Element::Dice(Dice::new(8, 4))) SignedElement::Negative(Element::Dice(Dice::new(8, 4, 8)))
)) ))
); );
assert_eq!( assert_eq!(
parse_signed_element(" \t\n\r\n+ 8d4 \n"), parse_signed_element(" \t\n\r\n+ 8d4 \n"),
Ok(( Ok((
" \n", " \n",
SignedElement::Positive(Element::Dice(Dice::new(8, 4))) SignedElement::Positive(Element::Dice(Dice::new(8, 4, 8)))
)) ))
); );
} }
@ -158,7 +158,7 @@ mod tests {
Ok(( Ok((
"", "",
ElementExpression(vec![SignedElement::Positive(Element::Dice(Dice::new( ElementExpression(vec![SignedElement::Positive(Element::Dice(Dice::new(
8, 4 8, 4, 8
)))]) )))])
)) ))
); );
@ -167,7 +167,7 @@ mod tests {
Ok(( Ok((
" \n ", " \n ",
ElementExpression(vec![SignedElement::Negative(Element::Dice(Dice::new( ElementExpression(vec![SignedElement::Negative(Element::Dice(Dice::new(
8, 4 8, 4, 8
)))]) )))])
)) ))
); );
@ -176,11 +176,11 @@ mod tests {
Ok(( Ok((
" 1d5 ", " 1d5 ",
ElementExpression(vec![ ElementExpression(vec![
SignedElement::Positive(Element::Dice(Dice::new(3, 4))), SignedElement::Positive(Element::Dice(Dice::new(3, 4, 3))),
SignedElement::Positive(Element::Bonus(7)), SignedElement::Positive(Element::Bonus(7)),
SignedElement::Negative(Element::Bonus(5)), SignedElement::Negative(Element::Bonus(5)),
SignedElement::Negative(Element::Dice(Dice::new(6, 12))), SignedElement::Negative(Element::Dice(Dice::new(6, 12, 6))),
SignedElement::Positive(Element::Dice(Dice::new(1, 1))), SignedElement::Positive(Element::Dice(Dice::new(1, 1, 1))),
SignedElement::Positive(Element::Bonus(53)), SignedElement::Positive(Element::Bonus(53)),
]) ])
)) ))