Change CofD modifiers to come after dice pool
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44b1e0f649
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6eb81f43d5
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@ -45,13 +45,13 @@ pub fn parse_modifiers(input: &str) -> Result<DicePoolModifiers, DiceParsingErro
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let (result, rest) = parser.parse(input)?;
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if rest.len() == 0 {
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convert_to_info(&result)
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convert_to_modifiers(&result)
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} else {
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Err(DiceParsingError::UnconsumedInput)
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}
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}
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fn convert_to_info(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
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fn convert_to_modifiers(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
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use ParsedInfo::*;
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if parsed.len() == 0 {
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Ok(DicePoolModifiers::default())
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@ -79,19 +79,8 @@ fn convert_to_info(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DicePa
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}
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pub fn parse_dice_pool(input: &str) -> Result<DicePool, BotError> {
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//The "modifiers:" part is optional. Assume amounts if no modifier
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//section found.
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let split = input.split(":").collect::<Vec<_>>();
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let (modifiers_str, amounts_str) = (match split[..] {
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[amounts] => Ok(("", amounts)),
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[modifiers, amounts] => Ok((modifiers, amounts)),
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_ => Err(BotError::DiceParsingError(
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DiceParsingError::UnconsumedInput,
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)),
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})?;
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let (amounts, modifiers_str) = parse_amounts(input)?;
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let modifiers = parse_modifiers(modifiers_str)?;
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let amounts = parse_amounts(&amounts_str)?;
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Ok(DicePool::new(amounts, modifiers))
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}
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@ -175,7 +164,7 @@ mod tests {
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#[test]
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fn dice_pool_number_with_quality() {
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let result = parse_dice_pool("n:8");
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let result = parse_dice_pool("8 n");
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assert!(result.is_ok());
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assert_eq!(
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result.unwrap(),
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@ -186,7 +175,7 @@ mod tests {
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#[test]
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fn dice_pool_number_with_success_change() {
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let modifiers = DicePoolModifiers::custom_exceptional_on(3);
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let result = parse_dice_pool("s3:8");
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let result = parse_dice_pool("8 s3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
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}
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@ -194,7 +183,7 @@ mod tests {
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#[test]
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fn dice_pool_with_quality_and_success_change() {
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let modifiers = DicePoolModifiers::custom(DicePoolQuality::Rote, 3);
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let result = parse_dice_pool("rs3:8");
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let result = parse_dice_pool("8 rs3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
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}
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@ -224,20 +213,20 @@ mod tests {
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let expected = DicePool::new(amounts, modifiers);
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let result = parse_dice_pool("rs3:8+10-2+varname");
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let result = parse_dice_pool("8+10-2+varname rs3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), expected);
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let result = parse_dice_pool("rs3:8+10- 2 + varname");
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let result = parse_dice_pool("8+10- 2 + varname rs3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), expected);
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let result = parse_dice_pool("rs3 : 8+ 10 -2 + varname");
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let result = parse_dice_pool("8+ 10 -2 + varname rs3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), expected);
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//This one has tabs in it.
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let result = parse_dice_pool(" r s3 : 8 + 10 -2 + varname");
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let result = parse_dice_pool(" 8 + 10 -2 + varname r s3");
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assert!(result.is_ok());
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assert_eq!(result.unwrap(), expected);
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}
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@ -221,9 +221,9 @@ mod tests {
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#[test]
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fn pool_whitespace_test() {
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parse_command("!pool ns3:8 ").expect("was error");
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parse_command(" !pool ns3:8").expect("was error");
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parse_command(" !pool ns3:8 ").expect("was error");
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parse_command("!pool 8 ns3 ").expect("was error");
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parse_command(" !pool 8 ns3").expect("was error");
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parse_command(" !pool 8 ns3 ").expect("was error");
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}
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#[test]
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@ -151,8 +151,9 @@ where
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/// should not have an operator, but every one after that should.
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/// Accepts expressions like "8", "10 + variablename", "variablename -
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/// 3", etc. This function is currently common to systems that don't
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/// deal with XdY rolls. Support for that will be added later.
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pub fn parse_amounts(input: &str) -> ParseResult<Vec<Amount>> {
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/// deal with XdY rolls. Support for that will be added later. Returns
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/// parsed amounts and unconsumed input (e.g. roll modifiers).
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pub fn parse_amounts(input: &str) -> ParseResult<(Vec<Amount>, &str)> {
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let input = input.trim();
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let remaining_amounts = many(amount_parser()).map(|amounts: Vec<ParseResult<Amount>>| amounts);
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@ -169,12 +170,9 @@ pub fn parse_amounts(input: &str) -> ParseResult<Vec<Amount>> {
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(amounts, results.1)
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})?;
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if rest.len() == 0 {
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// Any ParseResult errors will short-circuit the collect.
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results.into_iter().collect()
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} else {
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Err(DiceParsingError::UnconsumedInput)
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}
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let results: Vec<Amount> = results.into_iter().collect::<ParseResult<_>>()?;
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Ok((results, rest))
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}
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/// Parse an expression that expects a single number or variable. No
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@ -263,20 +261,26 @@ mod parse_many_amounts_tests {
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assert!(result.is_ok());
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assert_eq!(
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result.unwrap(),
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(
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vec![Amount {
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operator: Operator::Plus,
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element: Element::Number(1)
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}]
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}],
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""
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)
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);
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let result = parse_amounts("10");
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assert!(result.is_ok());
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assert_eq!(
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result.unwrap(),
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(
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vec![Amount {
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operator: Operator::Plus,
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element: Element::Number(10)
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}]
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}],
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""
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)
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);
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}
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@ -295,20 +299,26 @@ mod parse_many_amounts_tests {
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assert!(result.is_ok());
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assert_eq!(
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result.unwrap(),
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(
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vec![Amount {
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operator: Operator::Plus,
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element: Element::Variable("asdf".to_string())
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}]
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}],
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""
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)
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);
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let result = parse_amounts("nosis");
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assert!(result.is_ok());
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assert_eq!(
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result.unwrap(),
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(
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vec![Amount {
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operator: Operator::Plus,
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element: Element::Variable("nosis".to_string())
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}]
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}],
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""
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)
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);
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}
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