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_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_simple_amount_of_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_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: "лв".to_string(),
pattern: vec![regex("ле?ва?")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::BGN,
)))
}),
},
Rule {
name: "$".to_string(),
pattern: vec![regex("долар(а|и)?")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::Dollar,
)))
}),
},
Rule {
name: "escaped GBP prefix".to_string(),
pattern: vec![regex("x00a3&?(\\d+(\\.\\d+)?)")],
production: Box::new(|nodes| {
let v: f64 = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?.parse().ok()?,
_ => return None,
};
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(Currency::Pound).with_value(v),
))
}),
},
Rule {
name: "cent".to_string(),
pattern: vec![regex("ст(отинк(a|и))?|цента?|пени(та)?|пенса?|ц")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::Cent,
)))
}),
},
Rule {
name: "escaped EUR suffix".to_string(),
pattern: vec![regex("(\\d+(\\.\\d+)?)x20ac")],
production: Box::new(|nodes| {
let v: f64 = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?.parse().ok()?,
_ => return None,
};
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(Currency::EUR).with_value(v),
))
}),
},
Rule {
name: "€".to_string(),
pattern: vec![regex("евр(о|а)")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::EUR,
)))
}),
},
Rule {
name: "£".to_string(),
pattern: vec![regex("паунд(а|и)?")],
production: Box::new(|_| {
Some(TokenData::AmountOfMoney(AmountOfMoneyData::currency_only(
Currency::Pound,
)))
}),
},
Rule {
name: "intersect".to_string(),
pattern: vec![predicate(is_without_cents), predicate(is_natural)],
production: Box::new(|nodes| {
let d = money_data(&nodes[0].token_data)?;
let c = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::AmountOfMoney(d.clone().with_cents(c)))
}),
},
Rule {
name: "intersect (and number)".to_string(),
pattern: vec![
predicate(is_without_cents),
regex("и"),
predicate(is_natural),
],
production: Box::new(|nodes| {
let d = money_data(&nodes[0].token_data)?;
let c = numeral_data(&nodes[2].token_data)?.value;
Some(TokenData::AmountOfMoney(d.clone().with_cents(c)))
}),
},
Rule {
name: "intersect (and X cents)".to_string(),
pattern: vec![predicate(is_without_cents), regex("и"), predicate(is_cents)],
production: Box::new(|nodes| {
let d = money_data(&nodes[0].token_data)?;
let c = money_data(&nodes[2].token_data)?.value?;
Some(TokenData::AmountOfMoney(d.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 d = money_data(&nodes[0].token_data)?;
let c = money_data(&nodes[1].token_data)?.value?;
Some(TokenData::AmountOfMoney(d.clone().with_cents(c)))
}),
},
Rule {
name: "between|from <numeral> to|and <amount-of-money>".to_string(),
pattern: vec![
regex("между|от"),
predicate(is_positive),
regex("до|и"),
predicate(is_simple_amount_of_money),
],
production: Box::new(|nodes| {
let from = numeral_data(&nodes[1].token_data)?.value;
let to_data = money_data(&nodes[3].token_data)?;
let to = to_data.value?;
if from < to {
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(to_data.currency).with_interval(from, to),
))
} else {
None
}
}),
},
Rule {
name: "between|from <amount-of-money> to|and <amount-of-money>".to_string(),
pattern: vec![
regex("между|от"),
predicate(is_simple_amount_of_money),
regex("до|и"),
predicate(is_simple_amount_of_money),
],
production: Box::new(|nodes| {
let d1 = money_data(&nodes[1].token_data)?;
let d2 = money_data(&nodes[3].token_data)?;
if d1.currency == d2.currency && d1.value? < d2.value? {
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d1.currency)
.with_interval(d1.value?, d2.value?),
))
} else {
None
}
}),
},
Rule {
name: "<numeral> - <amount-of-money>".to_string(),
pattern: vec![
predicate(is_positive),
regex("-"),
predicate(is_simple_amount_of_money),
],
production: Box::new(|nodes| {
let from = numeral_data(&nodes[0].token_data)?.value;
let d = money_data(&nodes[2].token_data)?;
if from < d.value? {
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d.currency).with_interval(from, d.value?),
))
} else {
None
}
}),
},
Rule {
name: "<amount-of-money> - <amount-of-money>".to_string(),
pattern: vec![
predicate(is_simple_amount_of_money),
regex("-"),
predicate(is_simple_amount_of_money),
],
production: Box::new(|nodes| {
let d1 = money_data(&nodes[0].token_data)?;
let d2 = money_data(&nodes[2].token_data)?;
if d1.currency == d2.currency && d1.value? < d2.value? {
Some(TokenData::AmountOfMoney(
AmountOfMoneyData::currency_only(d1.currency)
.with_interval(d1.value?, d2.value?),
))
} else {
None
}
}),
},
Rule {
name: "under/less/lower/no more than <amount-of-money>".to_string(),
pattern: vec![
regex("под|по-малко от|не повече от"),
predicate(is_simple_amount_of_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("над|поне|повече от"),
predicate(is_simple_amount_of_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: "about|exactly <amount-of-money>".to_string(),
pattern: vec![
regex("точно|около|приблизително|близо (до)?|почти"),
predicate(is_money_with_value),
],
production: Box::new(|nodes| Some(nodes[1].token_data.clone())),
},
]
}