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tenebrous-dicebot
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Change CofD modifiers to come after dice pool

This commit is contained in:
projectmoon 2021-11-05 20:18:37 +00:00
parent a8ccdc9cce
commit 72e7543eda
3 changed files with 47 additions and 48 deletions
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31
dicebot/src/cofd/parser.rs
View File

@ -45,13 +45,13 @@ pub fn parse_modifiers(input: &str) -> Result<DicePoolModifiers, DiceParsingErro
let (result, rest) = parser.parse(input)?;
if rest.len() == 0 {
convert_to_info(&result)
convert_to_modifiers(&result)
} else {
Err(DiceParsingError::UnconsumedInput)
}
}
fn convert_to_info(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
fn convert_to_modifiers(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
use ParsedInfo::*;
if parsed.len() == 0 {
Ok(DicePoolModifiers::default())
@ -79,19 +79,8 @@ fn convert_to_info(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DicePa
}
pub fn parse_dice_pool(input: &str) -> Result<DicePool, BotError> {
//The "modifiers:" part is optional. Assume amounts if no modifier
//section found.
let split = input.split(":").collect::<Vec<_>>();
let (modifiers_str, amounts_str) = (match split[..] {
[amounts] => Ok(("", amounts)),
[modifiers, amounts] => Ok((modifiers, amounts)),
_ => Err(BotError::DiceParsingError(
DiceParsingError::UnconsumedInput,
)),
})?;
let (amounts, modifiers_str) = parse_amounts(input)?;
let modifiers = parse_modifiers(modifiers_str)?;
let amounts = parse_amounts(&amounts_str)?;
Ok(DicePool::new(amounts, modifiers))
}
@ -175,7 +164,7 @@ mod tests {
#[test]
fn dice_pool_number_with_quality() {
let result = parse_dice_pool("n:8");
let result = parse_dice_pool("8 n");
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
@ -186,7 +175,7 @@ mod tests {
#[test]
fn dice_pool_number_with_success_change() {
let modifiers = DicePoolModifiers::custom_exceptional_on(3);
let result = parse_dice_pool("s3:8");
let result = parse_dice_pool("8 s3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
}
@ -194,7 +183,7 @@ mod tests {
#[test]
fn dice_pool_with_quality_and_success_change() {
let modifiers = DicePoolModifiers::custom(DicePoolQuality::Rote, 3);
let result = parse_dice_pool("rs3:8");
let result = parse_dice_pool("8 rs3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
}
@ -224,20 +213,20 @@ mod tests {
let expected = DicePool::new(amounts, modifiers);
let result = parse_dice_pool("rs3:8+10-2+varname");
let result = parse_dice_pool("8+10-2+varname rs3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), expected);
let result = parse_dice_pool("rs3:8+10- 2 + varname");
let result = parse_dice_pool("8+10- 2 + varname rs3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), expected);
let result = parse_dice_pool("rs3 : 8+ 10 -2 + varname");
let result = parse_dice_pool("8+ 10 -2 + varname rs3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), expected);
//This one has tabs in it.
let result = parse_dice_pool(" r s3 : 8 + 10 -2 + varname");
let result = parse_dice_pool(" 8 + 10 -2 + varname r s3");
assert!(result.is_ok());
assert_eq!(result.unwrap(), expected);
}

6
dicebot/src/commands/parser.rs
View File

@ -221,9 +221,9 @@ mod tests {
#[test]
fn pool_whitespace_test() {
parse_command("!pool ns3:8 ").expect("was error");
parse_command(" !pool ns3:8").expect("was error");
parse_command(" !pool ns3:8 ").expect("was error");
parse_command("!pool 8 ns3 ").expect("was error");
parse_command(" !pool 8 ns3").expect("was error");
parse_command(" !pool 8 ns3 ").expect("was error");
}
#[test]

32
dicebot/src/parser/dice.rs
View File

@ -151,8 +151,9 @@ where
/// should not have an operator, but every one after that should.
/// Accepts expressions like "8", "10 + variablename", "variablename -
/// 3", etc. This function is currently common to systems that don't
/// deal with XdY rolls. Support for that will be added later.
pub fn parse_amounts(input: &str) -> ParseResult<Vec<Amount>> {
/// deal with XdY rolls. Support for that will be added later. Returns
/// parsed amounts and unconsumed input (e.g. roll modifiers).
pub fn parse_amounts(input: &str) -> ParseResult<(Vec<Amount>, &str)> {
let input = input.trim();
let remaining_amounts = many(amount_parser()).map(|amounts: Vec<ParseResult<Amount>>| amounts);
@ -169,12 +170,9 @@ pub fn parse_amounts(input: &str) -> ParseResult<Vec<Amount>> {
(amounts, results.1)
})?;
if rest.len() == 0 {
// Any ParseResult errors will short-circuit the collect.
results.into_iter().collect()
} else {
Err(DiceParsingError::UnconsumedInput)
}
let results: Vec<Amount> = results.into_iter().collect::<ParseResult<_>>()?;
Ok((results, rest))
}
/// Parse an expression that expects a single number or variable. No
@ -263,20 +261,26 @@ mod parse_many_amounts_tests {
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
(
vec![Amount {
operator: Operator::Plus,
element: Element::Number(1)
}]
}],
""
)
);
let result = parse_amounts("10");
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
(
vec![Amount {
operator: Operator::Plus,
element: Element::Number(10)
}]
}],
""
)
);
}
@ -295,20 +299,26 @@ mod parse_many_amounts_tests {
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
(
vec![Amount {
operator: Operator::Plus,
element: Element::Variable("asdf".to_string())
}]
}],
""
)
);
let result = parse_amounts("nosis");
assert!(result.is_ok());
assert_eq!(
result.unwrap(),
(
vec![Amount {
operator: Operator::Plus,
element: Element::Variable("nosis".to_string())
}]
}],
""
)
);
}