From cc5689eaf4f7cfa158e31107906434da9aed62bf Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Thu, 29 Jun 2023 23:25:01 +0200
Subject: WIP examples + change `.prepare()` to `await .ready`

---
 language/parser.ts | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

(limited to 'language')

diff --git a/language/parser.ts b/language/parser.ts
index 9bfdc4b..27aa5ee 100644
--- a/language/parser.ts
+++ b/language/parser.ts
@@ -7,27 +7,28 @@ import "../util/set.ts";
 /** @summary main Parser class */
 export default class Parser {
 	db: DB;
+	ready: Promise<void>;
 
 	constructor() {
 		this.db = new DB();
-	}
 
-	async prepare() {
-		await Promise.all([
-			this.db.prepare(),
-		]);
+		this.ready = new Promise<void>(async resolve => {
+			await this.db.ready;
+			resolve();
+		});
 	}
 
-	parse(sentence: string, options?: InputSentenceProps): ParseResult {
-		let parseResult = this.parseTerms(sentence, options);
+	async parse(sentence: string, options?: InputSentenceProps): Promise<ParseResult> {
+		await this.ready;
+		let parseResult = await this.parseTerms(sentence, options);
 		if ((options?.depth || ParseDepth.Term) <= ParseDepth.Term) return parseResult;
-		parseResult = this.addGlossary(parseResult, options);
+		parseResult = await this.addGlossary(parseResult, options);
 		if ((options?.depth || ParseDepth.Term) <= ParseDepth.Term) return parseResult;
 		return parseResult;
 	}
 
 	/** @summary parse sentence into terms with readings */
-	private parseTerms(sentence: string, options?: InputSentenceProps): ParseResult {
+	private async parseTerms(sentence: string, options?: InputSentenceProps): Promise<ParseResult> {
 		const MAX_LOOKAHEAD = options?.lookahead ?? 15;
 		const PRIORITY_MOD_HIGHER = options?.priorityMod?.high ?? 10;
 		const PRIORITY_MOD_LOWER = options?.priorityMod?.low ?? 0.1;
@@ -38,7 +39,7 @@ export default class Parser {
 		};
 
 		for (let start = 0; start < sentence.length; start++) {
-			var results = this.db.findTerm(sentence.substring(start, start + MAX_LOOKAHEAD));
+			var results = await this.db.findTerm(sentence.substring(start, start + MAX_LOOKAHEAD));
 			// current starting point did not yield results, try again at next character or until end of input
 			if (results.length == 0) continue;
 
@@ -112,7 +113,7 @@ export default class Parser {
 		return parseResult;
 	}
 
-	private addGlossary(input: ParseResult, options?: InputSentenceProps): ParseResult {
+	private async addGlossary(input: ParseResult, options?: InputSentenceProps): Promise<ParseResult> {
 		// TODO: annotate input with glossaries from DB
 		options; // prevent unused warning
 		return input;
-- 
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