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Riven/riven/srcgen/consts/champion.rs.dt

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{{
const dotUtils = require('./dotUtils.js');
const champions = require('./.champion.json')
.filter(({ id }) => id > 0)
.sortBy(({ name }) => name);
const constName = name => dotUtils.changeCase.constantCase(name).replace(/[^_A-Z0-9]+/g, '');
const constNamePad = 12;
}}{{= dotUtils.preamble() }}
newtype_enum! {
/// A League of Legends champion.
///
/// This newtype acts as a C-like enum; each variant corresponds to an
/// integer value. Using a newtype allows _unknown_ variants to be
/// represented. This is important when Riot adds new champions.
///
/// Field | Name | Identifier | Id
/// ---|---|---|---
{{
for (const { id, alias, name } of champions) {
}}
/// `{{= constName(name) }}` | "{{= name }}" | "{{= alias }}" | {{= id }}
{{
}
}}
#[derive(serde::Serialize, serde::Deserialize)]
#[serde(transparent)]
pub newtype_enum Champion(i16) {
{{
for (const { id, alias, name } of champions) {
}}
/// `{{= id }}`.
{{= constName(name) }} = {{= id }},
{{
}
}}
}
}
impl Champion {
/// The champion's name (`en_US` localization).
pub const fn name(self) -> Option<&'static str> {
match self {
{{
for (const { name } of champions) {
}}
Self::{{= constName(name).padEnd(constNamePad) }} => Some("{{= name }}"),
{{
}
}}
_ => None,
}
}
/// The champion's identifier key. Somtimes called "key", "identifier", or "alias".
/// This is mainly used in DDragon paths.
///
/// This is generally the `en_US` name with spaces and punctuation removed,
/// capitalization preserved, however the follow are exceptions:
///
/// Field | Name | Identifier | Id
/// ---|---|---|---
{{
for (const { id, alias, name } of champions) {
if (name.replace(/[^a-zA-Z0-9]+/, '') !== alias) {
}}
/// `{{= constName(name) }}` | "{{= name }}" | "{{= alias }}" | {{= id }}
{{
}
}
}}
pub const fn identifier(self) -> Option<&'static str> {
match self {
{{
for (const { name, alias } of champions) {
}}
Self::{{= constName(name).padEnd(constNamePad) }} => Some("{{= alias }}"),
{{
}
}}
_ => None,
}
}
/// https://github.com/MingweiSamuel/Riven/issues/36
pub(crate) fn serialize_result<S>(
val: &Result<Self, std::num::TryFromIntError>,
serializer: S,
) -> Result<S::Ok, S::Error>
where
S: serde::ser::Serializer,
{
use serde::ser::Serialize;
val.unwrap_or(Champion(-1)).serialize(serializer)
}
/// https://github.com/MingweiSamuel/Riven/issues/36
pub(crate) fn deserialize_result<'de, D>(
deserializer: D,
) -> Result<Result<Self, std::num::TryFromIntError>, D::Error>
where
D: serde::de::Deserializer<'de>,
{
use std::convert::TryInto;
<i64 as serde::de::Deserialize>::deserialize(deserializer).map(|id| id.try_into().map(Self))
}
}
/// The error used for failures in [`Champion`]'s
/// [`FromStr`](std::str::FromStr) implementation.
///
/// Currently only internally stores the four characters used to parse the
/// champion, but may change in the future.
#[derive(Debug)]
pub struct ParseChampionError([char; 4]);
impl std::fmt::Display for ParseChampionError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
let s: String = self.0.iter().copied().take_while(|&c| '\0' != c).collect();
write!(f, "Failed to parse unknown champion prefix: {:?}", s)
}
}
impl std::error::Error for ParseChampionError {}
impl std::str::FromStr for Champion {
type Err = ParseChampionError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let mut chars = ['\0'; 4];
s.chars()
.take(4)
.filter(|c| c.is_ascii_alphanumeric())
.map(|c| c.to_ascii_uppercase())
.enumerate()
.for_each(|(i, c)| chars[i] = c);
match chars {
{{
const keyStrings = (name, alias) => new Set([].concat(...[ name, alias ].map(s => s.toUpperCase())
.map(s => [
s.replace(/[^A-Z0-9]+/, '').substring(0, 4),
s.split(/[^A-Z0-9]/, 1)[0].substring(0, 4),
s.split(/[^A-Z]/, 1)[0].substring(0, 4),
])));
for (const { id, alias, name } of champions) {
for (const prefix of keyStrings(name, alias)) {
const chars = Object.assign(Array(4).fill('\\0'), Array.from(prefix))
.map(c => `'${c}'`)
.map(c => c.padStart(4));
}}
/* {{= prefix.padEnd(4) }} */ [{{= chars.join(', ') }}] => Ok(Champion::{{= constName(name) }}),
{{
}
}
}}
unknown => Err(ParseChampionError(unknown)),
}
}
}
impl std::convert::TryFrom<&str> for Champion {
type Error = <Self as std::str::FromStr>::Err;
fn try_from(value: &str) -> Result<Self, Self::Error> {
<Self as std::str::FromStr>::from_str(value)
}
}