query language

This commit is contained in:
kageru 2023-01-26 15:04:39 +01:00
parent 91a56a77dc
commit 8bf596eeba
4 changed files with 237 additions and 106 deletions

39
Cargo.lock generated

@ -2,20 +2,34 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "aro"
version = "0.1.0"
dependencies = [
"serde",
"serde_json",
]
[[package]]
name = "itoa"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
[[package]]
name = "memchr"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
[[package]]
name = "minimal-lexical"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
name = "nom"
version = "7.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
dependencies = [
"memchr",
"minimal-lexical",
]
[[package]]
name = "proc-macro2"
version = "1.0.47"
@ -40,6 +54,15 @@ version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
[[package]]
name = "scryfall-ygo"
version = "0.1.0"
dependencies = [
"nom",
"serde",
"serde_json",
]
[[package]]
name = "serde"
version = "1.0.147"

@ -1,8 +1,9 @@
[package]
name = "aro"
name = "scryfall-ygo"
version = "0.1.0"
edition = "2021"
[dependencies]
serde_json = "1.0"
serde = { version = "1.0", features = ["derive"] }
nom = "7.1.3"

7
rustfmt.toml Normal file

@ -0,0 +1,7 @@
newline_style = "Unix"
max_width = 140
imports_granularity = "Crate"
struct_field_align_threshold = 25
where_single_line = true
edition = "2021"
use_small_heuristics = "Max"

@ -1,26 +1,151 @@
#![feature(option_result_contains)]
use nom::{
bytes::{complete::take_while_m_n, streaming::take_while},
combinator::{map_res, rest},
sequence::tuple,
IResult,
};
use serde::{de::Visitor, Deserialize, Deserializer};
use std::{
fmt::{self, Display},
str::FromStr,
};
fn main() -> Result<(), Box<dyn std::error::Error>> {
let cards: CardInfo =
serde_json::from_reader(std::io::BufReader::new(std::fs::File::open("cards.json")?))?;
println!("{} cards read", cards.data.len());
let cards = serde_json::from_reader::<_, CardInfo>(std::io::BufReader::new(std::fs::File::open("cards.json")?))?.data;
let query = std::env::args()
.skip(1)
.map(|q| {
query_arg(&q).map(|(_, r)| build_filter(r)).unwrap_or_else(|_| {
println!("Trying to match {} as card name", q);
let q = q.to_lowercase();
Box::new(move |card: &Card| card.name.to_lowercase().contains(&q))
})
})
.collect::<Vec<Box<dyn Fn(&Card) -> bool>>>();
cards.iter().filter(|card| query.iter().all(|q| q(card))).for_each(|c| println!("{c}"));
Ok(())
}
fn query_arg(input: &str) -> IResult<&str, (Field, Operator, Value)> {
tuple((field, operator, value))(input)
}
fn build_filter(query: (Field, Operator, Value)) -> Box<dyn Fn(&Card) -> bool> {
// dbg!("Building filter for {query:?}");
match query {
(Field::Atk, op, Value::Numerical(n)) => Box::new(move |card| op.filter_number(card.atk, n)),
(Field::Def, op, Value::Numerical(n)) => Box::new(move |card| op.filter_number(card.def, n)),
(Field::Level, op, Value::Numerical(n)) => Box::new(move |card| op.filter_number(card.level, n)),
(Field::Type, Operator::Equals, Value::String(s)) => Box::new(move |card| card.r#type.to_lowercase() == s.to_lowercase()),
(Field::Attribute, Operator::Equals, Value::String(s)) => {
Box::new(move |card| card.attribute.as_ref().map(|s| s.to_lowercase()).contains(&s.to_lowercase()))
}
(Field::Class, Operator::Equals, Value::String(s)) => {
let s = s.to_lowercase();
Box::new(move |card| card.card_type.iter().map(|t| t.to_lowercase()).any(|t| t == s))
}
q => {
println!("unknown query: {q:?}");
Box::new(|_| false)
}
}
}
fn field(input: &str) -> IResult<&str, Field> {
map_res(take_while(char::is_alphabetic), str::parse)(input)
}
const OPERATOR_CHARS: &[char] = &['=', '<', '>', ':'];
fn operator(input: &str) -> IResult<&str, Operator> {
map_res(take_while_m_n(1, 2, |c| OPERATOR_CHARS.contains(&c)), str::parse)(input)
}
fn value(input: &str) -> IResult<&str, Value> {
map_res(rest, |i: &str| match i.parse() {
Ok(n) => Result::<_, ()>::Ok(Value::Numerical(n)),
Err(_) => Ok(Value::String(i.to_owned())),
})(input)
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
enum Field {
Atk,
Def,
Level,
Type,
Attribute,
Class,
}
impl FromStr for Field {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s.to_lowercase().as_ref() {
"atk" => Self::Atk,
"def" => Self::Def,
"level" | "l" => Self::Level,
"type" | "t" => Self::Type,
"attribute" | "attr" | "a" => Self::Attribute,
"c" | "class" => Self::Class,
_ => Err(s.to_string())?,
})
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
enum Operator {
Equals,
Less,
LessEqual,
Greater,
GreaterEqual,
}
impl Operator {
pub fn filter_number(&self, a: Option<i32>, b: i32) -> bool {
if let Some(a) = a {
match self {
Self::Equals => a == b,
Self::Less => a < b,
Self::LessEqual => a <= b,
Self::Greater => a > b,
Self::GreaterEqual => a >= b,
}
} else {
false
}
}
}
impl FromStr for Operator {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s {
"=" | "==" | ":" => Self::Equals,
">=" | "=>" => Self::GreaterEqual,
"<=" | "=<" => Self::LessEqual,
">" => Self::Greater,
"<" => Self::Less,
_ => Err(s.to_owned())?,
})
}
}
#[derive(Debug, PartialEq, Eq, Clone)]
enum Value {
String(String),
Numerical(i32),
}
#[derive(Debug, Deserialize, PartialEq, Eq, Clone)]
struct CardInfo {
data: Vec<Card>,
}
#[derive(Debug, Deserialize, PartialEq, Eq, Clone)]
struct CardBase {
//#[serde(rename = "type", deserialize_with = "split_types")]
//card_type: Vec<String>,
name: String,
#[serde(rename = "desc")]
text: String,
}
fn split_types<'de, D: Deserializer<'de>>(deserializer: D) -> Result<Vec<String>, D::Error> {
struct SplittingVisitor;
@ -32,78 +157,57 @@ fn split_types<'de, D: Deserializer<'de>>(deserializer: D) -> Result<Vec<String>
}
fn visit_str<E: serde::de::Error>(self, v: &str) -> Result<Self::Value, E> {
Ok(v.split_whitespace()
.filter(|t| t != &"Card")
.map(str::to_owned)
.collect())
Ok(v.split_whitespace().filter(|t| t != &"Card").map(str::to_owned).collect())
}
}
deserializer.deserialize_any(SplittingVisitor)
}
#[derive(Debug, Deserialize, PartialEq, Eq, Clone)]
struct Monster {
// None for ?
atk: Option<i32>,
attribute: String,
#[derive(Debug, Deserialize, PartialEq, Eq, Clone, Default)]
#[serde(tag = "type")]
struct Card {
#[serde(rename = "type", deserialize_with = "split_types")]
card_type: Vec<String>,
name: String,
#[serde(rename = "desc")]
text: String,
// Will also be None for ?
atk: Option<i32>,
def: Option<i32>,
attribute: Option<String>,
#[serde(rename = "race")]
r#type: String,
// None for ? or link monsters
def: Option<i32>,
r#type: String,
// also includes rank
level: Option<u8>,
level: Option<i32>,
#[serde(rename = "linkval")]
link_rating: Option<i32>,
linkmarkers: Option<Vec<String>>,
}
#[derive(Debug, Deserialize, PartialEq, Eq, Clone)]
#[serde(tag = "type")]
enum Card {
#[serde(alias = "Spell Card", alias = "Trap Card")]
Backrow {
#[serde(flatten)]
base: CardBase,
},
#[serde(rename = "Skill Card")]
Skill {
#[serde(flatten)]
base: CardBase,
},
#[serde(
alias = "Effect Monster",
alias = "Flip Effect Monster",
alias = "Fusion Monster",
alias = "Gemini Monster",
alias = "Link Monster",
alias = "Normal Monster",
alias = "Normal Tuner Monster",
alias = "Pendulum Effect Fusion Monster",
alias = "Pendulum Effect Monster",
alias = "Pendulum Effect Ritual Monster",
alias = "Pendulum Flip Effect Monster",
alias = "Pendulum Normal Monster",
alias = "Pendulum Tuner Effect Monster",
alias = "Ritual Effect Monster",
alias = "Ritual Monster",
alias = "Spirit Monster",
alias = "Synchro Monster",
alias = "Synchro Pendulum Effect Monster",
alias = "Synchro Tuner Monster",
alias = "Token",
alias = "Toon Monster",
alias = "Tuner Monster",
alias = "Union Effect Monster",
alias = "XYZ Monster",
alias = "XYZ Pendulum Effect Monster"
)]
Monster {
#[serde(flatten)]
base: CardBase,
#[serde(flatten)]
monster: Monster,
#[serde(default, rename = "linkval")]
link_rating: u8,
#[serde(default)]
linkmarkers: Vec<String>,
},
impl Display for Card {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{} (", &self.name)?;
if let Some(level) = self.level {
write!(f, "Level {level} ")?;
} else if let Some(lr) = self.link_rating {
write!(f, "Link {lr} ")?;
}
if let Some(attr) = &self.attribute {
write!(f, "{attr}/")?;
}
f.write_str(&self.r#type)?;
write!(f, " {})", self.card_type.join(" "))?;
if self.card_type.contains(&String::from("Monster")) {
match (self.atk, self.def) {
(Some(atk), Some(def)) => write!(f, " {atk} ATK / {def} DEF")?,
(Some(atk), None) if self.link_rating.is_some() => write!(f, "{atk} ATK")?,
(None, Some(def)) => write!(f, " ? ATK / {def} DEF")?,
(Some(atk), None) => write!(f, " {atk} ATK / ? DEF")?,
(None, None) => write!(f, " ? ATK / ? DEF")?,
}
}
Ok(())
}
}
#[cfg(test)]
@ -123,13 +227,12 @@ mod tests {
let coffin: Card = serde_json::from_str(s).unwrap();
assert_eq!(
coffin,
Card::Backrow {
base: CardBase {
card_type: vec!["Spell".to_owned()],
name: "The Cheerful Coffin".to_owned(),
text: "Discard up to 3 Monster Cards from your hand to the Graveyard."
.to_owned()
}
Card {
card_type: vec!["Spell".to_owned()],
name: "The Cheerful Coffin".to_owned(),
text: "Discard up to 3 Monster Cards from your hand to the Graveyard.".to_owned(),
r#type: "Normal".to_owned(),
..Default::default()
}
)
}
@ -151,21 +254,18 @@ mod tests {
let munch: Card = serde_json::from_str(s).unwrap();
assert_eq!(
munch,
Card::Monster {
base: CardBase {
card_type: vec!["Effect".to_owned(), "Monster".to_owned()],
name: "Des Lacooda".to_owned(),
text: "Once per turn: You can change this card to face-down Defense Position. When this card is Flip Summoned: Draw 1 card.".to_owned(),
},
monster: Monster {
atk: Some(500),
def: Some(600),
level: Some(3),
r#type: "Zombie".to_owned(),
attribute: "EARTH".to_owned(),
},
link_rating: 0,
linkmarkers: vec![]
Card {
card_type: vec!["Effect".to_owned(), "Monster".to_owned()],
name: "Des Lacooda".to_owned(),
text:
"Once per turn: You can change this card to face-down Defense Position. When this card is Flip Summoned: Draw 1 card."
.to_owned(),
atk: Some(500),
def: Some(600),
level: Some(3),
r#type: "Zombie".to_owned(),
attribute: Some("EARTH".to_owned()),
..Default::default()
},
)
}