mirror of
https://github.com/barsdeveloper/ueblueprint.git
synced 2026-02-03 23:55:04 +08:00
240 lines
10 KiB
JavaScript
Executable File
240 lines
10 KiB
JavaScript
Executable File
import Parsernostrum from "parsernostrum"
|
|
import Configuration from "../Configuration.js"
|
|
import Utility from "../Utility.js"
|
|
import AttributeInfo from "../entity/AttributeInfo.js"
|
|
import IEntity from "../entity/IEntity.js"
|
|
import MirroredEntity from "../entity/MirroredEntity.js"
|
|
import Union from "../entity/Union.js"
|
|
import Serializable from "./Serializable.js"
|
|
|
|
export default class Grammar {
|
|
|
|
static separatedBy = (source, separator, min = 1) =>
|
|
new RegExp(
|
|
source + "(?:" + separator + source + ")"
|
|
+ (min === 1 ? "*" : min === 2 ? "+" : `{${min},}`)
|
|
)
|
|
|
|
static Regex = class {
|
|
static HexDigit = /[0-9a-fA-F]/
|
|
static InsideString = /(?:[^"\\]|\\.)*/
|
|
static InsideSingleQuotedString = /(?:[^'\\]|\\.)*/
|
|
static Integer = /[\-\+]?\d+(?!\d|\.)/
|
|
static Number = /[-\+]?(?:\d*\.)?\d+(?!\d|\.)/
|
|
static RealUnit = /\+?(?:0(?:\.\d+)?|1(?:\.0+)?)(?![\.\d])/ // A number between 0 and 1 included
|
|
static Word = Grammar.separatedBy("[a-zA-Z]", "_")
|
|
static Symbol = /[a-zA-Z_]\w*/
|
|
static DotSeparatedSymbols = Grammar.separatedBy(this.Symbol.source, "\\.")
|
|
static PathFragment = Grammar.separatedBy(this.Symbol.source, "[\\.:]")
|
|
static PathSpaceFragment = Grammar.separatedBy(this.Symbol.source, "[\\.:\\ ]")
|
|
static Path = new RegExp(`(?:\\/${this.PathFragment.source}){2,}`) // Multiple (2+) /PathFragment
|
|
}
|
|
|
|
/* --- Primitive --- */
|
|
|
|
static null = Parsernostrum.reg(/\(\s*\)/).map(() => null)
|
|
static true = Parsernostrum.reg(/true/i).map(() => true)
|
|
static false = Parsernostrum.reg(/false/i).map(() => false)
|
|
static boolean = Parsernostrum.regArray(/(true)|false/i).map(v => v[1] ? true : false)
|
|
static number = Parsernostrum.regArray(
|
|
new RegExp(`(${Parsernostrum.number.getParser().parser.regexp.source})|(\\+?inf)|(-inf)`)
|
|
).map(([_0, n, plusInf, minusInf]) => n ? Number(n) : plusInf ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY)
|
|
static bigInt = Parsernostrum.reg(new RegExp(Parsernostrum.number.getParser().parser.regexp.source)).map(BigInt)
|
|
.map(result =>
|
|
result[2] !== undefined
|
|
? Number.POSITIVE_INFINITY
|
|
: result[3] !== undefined
|
|
? Number.NEGATIVE_INFINITY
|
|
: Number(result[1])
|
|
)
|
|
static naturalNumber = Parsernostrum.lazy(() => Parsernostrum.reg(/\d+/).map(Number))
|
|
static string = Parsernostrum.doubleQuotedString.map(insideString => Utility.unescapeString(insideString))
|
|
|
|
/* --- Fragment --- */
|
|
|
|
static colorValue = Parsernostrum.numberByte
|
|
static word = Parsernostrum.reg(Grammar.Regex.Word)
|
|
static symbol = Parsernostrum.reg(Grammar.Regex.Symbol)
|
|
static symbolQuoted = Parsernostrum.reg(new RegExp('"(' + Grammar.Regex.Symbol.source + ')"'), 1)
|
|
static attributeName = Parsernostrum.reg(Grammar.Regex.DotSeparatedSymbols)
|
|
static attributeNameQuoted = Parsernostrum.reg(new RegExp('"(' + Grammar.Regex.DotSeparatedSymbols.source + ')"'), 1)
|
|
static guid = Parsernostrum.reg(new RegExp(`${Grammar.Regex.HexDigit.source}{32}`))
|
|
static commaSeparation = Parsernostrum.reg(/\s*,\s*(?!\))/)
|
|
static commaOrSpaceSeparation = Parsernostrum.reg(/\s*,\s*(?!\))|\s+/)
|
|
static equalSeparation = Parsernostrum.reg(/\s*=\s*/)
|
|
static hexColorChannel = Parsernostrum.reg(new RegExp(Grammar.Regex.HexDigit.source + "{2}"))
|
|
|
|
/* --- Factory --- */
|
|
|
|
/**
|
|
* @template T
|
|
* @param {AttributeInfo<T>} attribute
|
|
* @returns {Parsernostrum<T>}
|
|
*/
|
|
static grammarFor(attribute, type = attribute?.type, defaultGrammar = this.unknownValue) {
|
|
let result = defaultGrammar
|
|
if (type instanceof Array) {
|
|
if (attribute?.inlined) {
|
|
return this.grammarFor(undefined, type[0])
|
|
}
|
|
result = Parsernostrum.seq(
|
|
Parsernostrum.reg(/\(\s*/),
|
|
this.grammarFor(undefined, type[0]).sepBy(this.commaSeparation).opt(),
|
|
Parsernostrum.reg(/\s*(?:,\s*)?\)/),
|
|
).map(([_0, values, _3]) => values instanceof Array ? values : [])
|
|
} else if (type instanceof Union) {
|
|
result = type.values
|
|
.map(v => this.grammarFor(undefined, v))
|
|
.reduce((acc, cur) => !cur || cur === this.unknownValue || acc === this.unknownValue
|
|
? this.unknownValue
|
|
: Parsernostrum.alt(acc, cur)
|
|
)
|
|
} else if (type instanceof MirroredEntity) {
|
|
// @ts-expect-error
|
|
return this.grammarFor(undefined, type.getTargetType())
|
|
.map(v => new MirroredEntity(type.type, () => v))
|
|
} else if (attribute?.constructor === Object) {
|
|
result = this.grammarFor(undefined, type)
|
|
} else {
|
|
switch (type) {
|
|
case Boolean:
|
|
result = this.boolean
|
|
break
|
|
case null:
|
|
result = this.null
|
|
break
|
|
case Number:
|
|
result = this.number
|
|
break
|
|
case BigInt:
|
|
result = this.bigInt
|
|
break
|
|
case String:
|
|
result = this.string
|
|
break
|
|
default:
|
|
if (/** @type {AttributeConstructor<any>} */(type)?.prototype instanceof Serializable) {
|
|
result = /** @type {typeof Serializable} */(type).grammar
|
|
}
|
|
}
|
|
}
|
|
if (attribute) {
|
|
if (attribute.serialized && type.constructor !== String) {
|
|
if (result == this.unknownValue) {
|
|
result = this.string
|
|
} else {
|
|
result = Parsernostrum.seq(Parsernostrum.str('"'), result, Parsernostrum.str('"'))
|
|
}
|
|
}
|
|
if (attribute.nullable) {
|
|
result = Parsernostrum.alt(result, this.null)
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
/**
|
|
* @template {AttributeConstructor<Attribute>} T
|
|
* @param {T} entityType
|
|
* @param {String[]} key
|
|
* @returns {AttributeInfo}
|
|
*/
|
|
static getAttribute(entityType, key) {
|
|
let result
|
|
let type
|
|
if (entityType instanceof Union) {
|
|
for (let t of entityType.values) {
|
|
if (result = this.getAttribute(t, key)) {
|
|
return result
|
|
}
|
|
}
|
|
}
|
|
if (entityType instanceof IEntity.constructor) {
|
|
// @ts-expect-error
|
|
result = entityType.attributes[key[0]]
|
|
type = result?.type
|
|
} else if (entityType instanceof Array) {
|
|
result = entityType[key[0]]
|
|
type = result
|
|
}
|
|
if (key.length > 1) {
|
|
return this.getAttribute(type, key.slice(1))
|
|
}
|
|
return result
|
|
}
|
|
|
|
static createAttributeGrammar(
|
|
entityType,
|
|
attributeName = this.attributeName,
|
|
valueSeparator = this.equalSeparation,
|
|
handleObjectSet = (obj, k, v) => { }
|
|
) {
|
|
return Parsernostrum.seq(
|
|
attributeName,
|
|
valueSeparator,
|
|
).chain(([attributeName, _1]) => {
|
|
const attributeKey = attributeName.split(Configuration.keysSeparator)
|
|
const attributeValue = this.getAttribute(entityType, attributeKey)
|
|
return this
|
|
.grammarFor(attributeValue)
|
|
.map(attributeValue =>
|
|
values => {
|
|
handleObjectSet(values, attributeKey, attributeValue)
|
|
Utility.objectSet(values, attributeKey, attributeValue)
|
|
}
|
|
)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* @template {IEntity} T
|
|
* @param {(new (...args: any) => T) & EntityConstructor} entityType
|
|
* @param {Boolean | Number} acceptUnknownKeys Number to specify the limit or true, to let it be a reasonable value
|
|
*/
|
|
static createEntityGrammar(entityType, acceptUnknownKeys = true, entriesSeparator = this.commaSeparation) {
|
|
const lookbehind = entityType.attributes.lookbehind.default
|
|
return Parsernostrum.seq(
|
|
Parsernostrum.reg(
|
|
lookbehind instanceof Union
|
|
? new RegExp(`(${lookbehind.values.reduce((acc, cur) => acc + "|" + cur)})\\s*\\(\\s*`)
|
|
: lookbehind.constructor == String && lookbehind.length > 0
|
|
? new RegExp(`(${lookbehind})\\s*\\(\\s*`)
|
|
: /()\(\s*/,
|
|
1
|
|
),
|
|
this.createAttributeGrammar(entityType).sepBy(entriesSeparator),
|
|
Parsernostrum.reg(/\s*(?:,\s*)?\)/), // trailing comma
|
|
)
|
|
.map(([lookbehind, attributes, _2]) => {
|
|
let values = {}
|
|
attributes.forEach(attributeSetter => attributeSetter(values))
|
|
if (lookbehind.length) {
|
|
values.lookbehind = lookbehind
|
|
}
|
|
return values
|
|
})
|
|
// Decide if we accept the entity or not. It is accepted if it doesn't have too many unexpected keys
|
|
.chain(values => {
|
|
let totalKeys = Object.keys(values)
|
|
let missingKey
|
|
// Check missing values
|
|
if (
|
|
Object.keys(/** @type {AttributeDeclarations} */(entityType.attributes))
|
|
.filter(key => entityType.attributes[key].expected)
|
|
.find(key => !totalKeys.includes(key) && (missingKey = key))
|
|
) {
|
|
return Parsernostrum.failure()
|
|
}
|
|
const unknownKeys = Object.keys(values).filter(key => !(key in entityType.attributes)).length
|
|
if (!acceptUnknownKeys && unknownKeys > 0) {
|
|
return Parsernostrum.failure()
|
|
}
|
|
return Parsernostrum.success().map(() => new entityType(values))
|
|
})
|
|
}
|
|
|
|
/* --- Entity --- */
|
|
|
|
static unknownValue // Defined in initializeSerializerFactor to avoid circular include
|
|
}
|