use crate::dimensions::numeral::helpers::{is_natural, is_positive, numeral_data};
use crate::pattern::{predicate, regex};
use crate::types::{Rule, TokenData};
use super::{AmountOfMoneyData, Currency};
fn money_data(td: &TokenData) -> Option<&AmountOfMoneyData> {
match td {
TokenData::AmountOfMoney(d) => Some(d),
_ => None,
}
}
fn is_currency_only(td: &TokenData) -> bool {
matches!(
td,
TokenData::AmountOfMoney(d)
if d.value.is_none() && d.min_value.is_none() && d.max_value.is_none()
)
}
fn is_simple_money(td: &TokenData) -> bool {
matches!(
td,
TokenData::AmountOfMoney(d)
if d.value.is_some() && d.min_value.is_none() && d.max_value.is_none()
)
}
fn is_money_with_value(td: &TokenData) -> bool {
matches!(
td,
TokenData::AmountOfMoney(d)
if d.value.is_some() || d.min_value.is_some() || d.max_value.is_some()
)
}
fn is_without_cents(td: &TokenData) -> bool {
match td {
TokenData::AmountOfMoney(d) => {
d.currency != Currency::Cent && d.value.map(|v| v == v.floor()).unwrap_or(false)
}
_ => false,
}
}
fn is_cents(td: &TokenData) -> bool {
matches!(td, TokenData::AmountOfMoney(d) if d.currency == Currency::Cent && d.value.is_some())
}
pub fn rules() -> Vec<Rule> {
vec![
Rule {
name: "<unit> <amount>".to_string(),
pattern: vec![predicate(is_currency_only), predicate(is_positive)],
production: Box::new(|nodes| {
let c = money_data(&nodes[0].token_data)?.currency;
let v = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(c).with_value(v),
))
}),
},
Rule {
name: "cent".to_string(),
pattern: vec![regex("cent(esim)i?o?")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::Cent,
)))
}),
},
Rule {
name: "£, $".to_string(),
pattern: vec![regex("(dollari|sterline)")],
production: Box::new(|nodes| {
let m = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?.to_lowercase(),
_ => return None,
};
let c = match m.as_str() {
"dollari" => Currency::Dollar,
"sterline" => Currency::Pound,
_ => return None,
};
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
c,
)))
}),
},
Rule {
name: "intersect".to_string(),
pattern: vec![predicate(is_without_cents), predicate(is_natural)],
production: Box::new(|nodes| {
let m = money_data(&nodes[0].token_data)?;
let c = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::AmountOfMoney(m.clone().with_cents(c)))
}),
},
Rule {
name: "intersect (and number)".to_string(),
pattern: vec![
predicate(is_without_cents),
regex("e"),
predicate(is_natural),
],
production: Box::new(|nodes| {
let m = money_data(&nodes[0].token_data)?;
let c = numeral_data(&nodes[2].token_data)?.value;
Some(TokenData::AmountOfMoney(m.clone().with_cents(c)))
}),
},
Rule {
name: "intersect (X cents)".to_string(),
pattern: vec![predicate(is_without_cents), predicate(is_cents)],
production: Box::new(|nodes| {
let m = money_data(&nodes[0].token_data)?;
let c = money_data(&nodes[1].token_data)?.value?;
Some(TokenData::AmountOfMoney(m.clone().with_cents(c)))
}),
},
Rule {
name: "intersect (and X cents)".to_string(),
pattern: vec![predicate(is_without_cents), regex("e"), predicate(is_cents)],
production: Box::new(|nodes| {
let m = money_data(&nodes[0].token_data)?;
let c = money_data(&nodes[2].token_data)?.value?;
Some(TokenData::AmountOfMoney(m.clone().with_cents(c)))
}),
},
Rule {
name: "between|from <numeral> to|and <amount-of-money>".to_string(),
pattern: vec![
regex("tra"),
predicate(is_positive),
regex("e"),
predicate(is_simple_money),
],
production: Box::new(|nodes| {
let from = numeral_data(&nodes[1].token_data)?.value;
let d = money_data(&nodes[3].token_data)?;
let to = d.value?;
if from >= to {
return None;
}
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d.currency).with_interval(from, to),
))
}),
},
Rule {
name: "between|from <amount-of-money> to|and <amount-of-money>".to_string(),
pattern: vec![
regex("tra"),
predicate(is_simple_money),
regex("e"),
predicate(is_simple_money),
],
production: Box::new(|nodes| {
let d1 = money_data(&nodes[1].token_data)?;
let d2 = money_data(&nodes[3].token_data)?;
let from = d1.value?;
let to = d2.value?;
if d1.currency != d2.currency || from >= to {
return None;
}
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d1.currency).with_interval(from, to),
))
}),
},
Rule {
name: "<numeral> - <amount-of-money>".to_string(),
pattern: vec![
predicate(is_natural),
regex("-"),
predicate(is_simple_money),
],
production: Box::new(|nodes| {
let from = numeral_data(&nodes[0].token_data)?.value;
let d = money_data(&nodes[2].token_data)?;
let to = d.value?;
if from >= to {
return None;
}
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d.currency).with_interval(from, to),
))
}),
},
Rule {
name: "<amount-of-money> - <amount-of-money>".to_string(),
pattern: vec![
predicate(is_simple_money),
regex("-"),
predicate(is_simple_money),
],
production: Box::new(|nodes| {
let d1 = money_data(&nodes[0].token_data)?;
let d2 = money_data(&nodes[2].token_data)?;
let from = d1.value?;
let to = d2.value?;
if d1.currency != d2.currency || from >= to {
return None;
}
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d1.currency).with_interval(from, to),
))
}),
},
Rule {
name: "under/less/lower/no more than <amount-of-money>".to_string(),
pattern: vec![regex("(meno|non più) di"), predicate(is_simple_money)],
production: Box::new(|nodes| {
let d = money_data(&nodes[1].token_data)?;
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d.currency).with_max(d.value?),
))
}),
},
Rule {
name: "over/above/at least/more than <amount-of-money>".to_string(),
pattern: vec![regex("più di|almeno"), predicate(is_simple_money)],
production: Box::new(|nodes| {
let d = money_data(&nodes[1].token_data)?;
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d.currency).with_min(d.value?),
))
}),
},
Rule {
name: "precision".to_string(),
pattern: vec![
regex("esattamente|quasi|più o meno|circa"),
predicate(is_money_with_value),
],
production: Box::new(|nodes| Some(nodes[1].token_data.clone())),
},
]
}