Initial working version

2022-12-22 20:22:22 +11:00
parent ce9675a1cc
commit ced7fa5092
902 changed files with 150252 additions and 0 deletions
@@ -0,0 +1,60 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AbstractID3Parser = void 0;
+const core_1 = require("strtok3/lib/core");
+const ID3v2Token_1 = require("./ID3v2Token");
+const ID3v2Parser_1 = require("./ID3v2Parser");
+const ID3v1Parser_1 = require("../id3v1/ID3v1Parser");
+const _debug = require("debug");
+const BasicParser_1 = require("../common/BasicParser");
+const debug = _debug('music-metadata:parser:ID3');
+/**
+ * Abstract parser which tries take ID3v2 and ID3v1 headers.
+ */
+class AbstractID3Parser extends BasicParser_1.BasicParser {
+    constructor() {
+        super(...arguments);
+        this.id3parser = new ID3v2Parser_1.ID3v2Parser();
+    }
+    static async startsWithID3v2Header(tokenizer) {
+        return (await tokenizer.peekToken(ID3v2Token_1.ID3v2Header)).fileIdentifier === 'ID3';
+    }
+    async parse() {
+        try {
+            await this.parseID3v2();
+        }
+        catch (err) {
+            if (err instanceof core_1.EndOfStreamError) {
+                debug(`End-of-stream`);
+            }
+            else {
+                throw err;
+            }
+        }
+    }
+    finalize() {
+        return;
+    }
+    async parseID3v2() {
+        await this.tryReadId3v2Headers();
+        debug("End of ID3v2 header, go to MPEG-parser: pos=%s", this.tokenizer.position);
+        await this._parse();
+        if (this.options.skipPostHeaders && this.metadata.hasAny()) {
+            this.finalize();
+        }
+        else {
+            const id3v1parser = new ID3v1Parser_1.ID3v1Parser();
+            await id3v1parser.init(this.metadata, this.tokenizer, this.options).parse();
+            this.finalize();
+        }
+    }
+    async tryReadId3v2Headers() {
+        const id3Header = await this.tokenizer.peekToken(ID3v2Token_1.ID3v2Header);
+        if (id3Header.fileIdentifier === "ID3") {
+            debug("Found ID3v2 header, pos=%s", this.tokenizer.position);
+            await this.id3parser.parse(this.metadata, this.tokenizer, this.options);
+            return this.tryReadId3v2Headers();
+        }
+    }
+}
+exports.AbstractID3Parser = AbstractID3Parser;