48257345

Committed 12 Oct 2023 04:06AM UTC coverage: 92.315% (+0.4%) from 91.944%

Build # 48257345

Build Type

push

appveyor

Committed by

benrr101

Commit Message

Performer roles (bug fixed), genres

Run Details

3226 of 4153 branches covered (0.0%)

Branch coverage included in aggregate %.

94 of 94 new or added lines in 2 files covered. (100.0%)

27069 of 28664 relevant lines covered (94.44%)

417.21 hits per line

Source File
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70.0

/src/mpeg4/boxes/isoMetaBox.ts

import FullBox from "./fullBox";
import IsoHandlerBox from "./isoHandlerBox";
import Mpeg4BoxHeader from "../mpeg4BoxHeader";
import Mpeg4BoxType from "../mpeg4BoxType";
import {ByteVector} from "../../byteVector";
import {File} from "../../file";
import {Mpeg4BoxClassType} from "../mpeg4BoxClassType";
import {Guards} from "../../utils";

/**
 * This class extends @see FullBox to provide an implementation of a ISO/IEC 14496-12 MetaBox.
 */
export default class IsoMetaBox extends FullBox {
    /**
     * Private constructor to force construction via static functions.
     */
    private constructor() {
        super();
    }

    /**
     * Constructs and initializes a new instance of @see IsoMetaBox with a provided header and
     * handler by reading the contents from a specified file.
     * @param file A @see File object to read the contents of the box from.
     *     new instance, or undefined if no handler applies.
     * @param header A @see Mpeg4BoxHeader object containing the header to use for the new instance.
     * @param handlerType Type of the handler box object containing the handler that applies to the
     * @returns A new instance of @see IsoMetaBox
     */
    public static fromFile(file: File, header: Mpeg4BoxHeader, handlerType: ByteVector): IsoMetaBox {
        const instance = new IsoMetaBox();
        instance.initializeFromHeaderFileAndHandler(header, file, handlerType);

        return instance;
    }

    /**
     * Constructs and initializes a new instance of @see IsoMetaBox with a specified handler.
     * @param handlerType A @see ByteVector object specifying a 4 byte handler type.
     * @param handlerName A @see string object specifying the handler name.
     * @returns A new instance of @see IsoMetaBox
     */
    public static fromHandler(handlerType: ByteVector, handlerName?: string): IsoMetaBox {
        Guards.notNullOrUndefined(handlerType, "handlerType");

        if (handlerType.length < 4) {
            throw new Error("The handler type must be four bytes long.");
        }

        const instance = new IsoMetaBox();
        instance.initializeFromTypeVersionAndFlags(Mpeg4BoxType.META, 0, 0);
        instance.addChild(IsoHandlerBox.fromHandlerTypeAndHandlerName(handlerType, handlerName));

        return instance;
    }

    /** @inheritDoc */
    public get boxClassType(): Mpeg4BoxClassType { return Mpeg4BoxClassType.IsoMetaBox; }
}

1	import FullBox from "./fullBox";	1✔
2	import IsoHandlerBox from "./isoHandlerBox";	1✔
3	import Mpeg4BoxHeader from "../mpeg4BoxHeader";
4	import Mpeg4BoxType from "../mpeg4BoxType";	1✔
5	import {ByteVector} from "../../byteVector";
6	import {File} from "../../file";
7	import {Mpeg4BoxClassType} from "../mpeg4BoxClassType";	1✔
8	import {Guards} from "../../utils";	1✔
9
10	/**
11	* This class extends @see FullBox to provide an implementation of a ISO/IEC 14496-12 MetaBox.
12	*/
13	export default class IsoMetaBox extends FullBox {	1✔
14	/**
15	* Private constructor to force construction via static functions.
16	*/
17	private constructor() {
18	super();	105✔
19	}
20
21	/**
22	* Constructs and initializes a new instance of @see IsoMetaBox with a provided header and
23	* handler by reading the contents from a specified file.
24	* @param file A @see File object to read the contents of the box from.
25	* new instance, or undefined if no handler applies.
26	* @param header A @see Mpeg4BoxHeader object containing the header to use for the new instance.
27	* @param handlerType Type of the handler box object containing the handler that applies to the
28	* @returns A new instance of @see IsoMetaBox
29	*/
30	public static fromFile(file: File, header: Mpeg4BoxHeader, handlerType: ByteVector): IsoMetaBox {
31	const instance = new IsoMetaBox();	×
32	instance.initializeFromHeaderFileAndHandler(header, file, handlerType);	×
33
34	return instance;	×
35	}
36
37	/**
38	* Constructs and initializes a new instance of @see IsoMetaBox with a specified handler.
39	* @param handlerType A @see ByteVector object specifying a 4 byte handler type.
40	* @param handlerName A @see string object specifying the handler name.
41	* @returns A new instance of @see IsoMetaBox
42	*/
43	public static fromHandler(handlerType: ByteVector, handlerName?: string): IsoMetaBox {
44	Guards.notNullOrUndefined(handlerType, "handlerType");	105✔
45
46	if (handlerType.length < 4) {	105!
47	throw new Error("The handler type must be four bytes long.");	×
48	}
49
50	const instance = new IsoMetaBox();	105✔
51	instance.initializeFromTypeVersionAndFlags(Mpeg4BoxType.META, 0, 0);	105✔
52	instance.addChild(IsoHandlerBox.fromHandlerTypeAndHandlerName(handlerType, handlerName));	105✔
53
54	return instance;	105✔
55	}
56
57	/** @inheritDoc */
58	public get boxClassType(): Mpeg4BoxClassType { return Mpeg4BoxClassType.IsoMetaBox; }	×
59	}

benrr101 / node-taglib-sharp / 48257345

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