40 lines
806 B
TypeScript
40 lines
806 B
TypeScript
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import nearly from "npm:nearley";
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import "./grammar.js";
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// deno-lint-ignore no-explicit-any
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const grammar = (globalThis as unknown as any)["grammar"];
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const compiled_grammar = nearly.Grammar.fromCompiled(grammar);
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export type Quality = "x" | "m" | "a" | "s";
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export interface Condition {
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quality: Quality;
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cond: "<" | ">";
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value: number;
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}
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export interface Rule {
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condition: Condition;
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dest: string;
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}
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export interface Workflow {
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name: string;
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rules: Rule[];
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always: string;
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}
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export type Material = {
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[key in Quality]: number;
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};
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interface Input {
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rules: Workflow[];
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materials: Material[];
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}
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export function parseInput(input: string): Input {
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const parser = new nearly.Parser(compiled_grammar);
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parser.feed(input);
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return parser.results[0];
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}
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