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MusicXML Interfaces

musicxml-interfaces is a low-level JavaScript utility library for parsing, serializing, building, and patching MusicXML songs.

musicxml-interfaces does not provide users with utilities for rendering or analysing MusicXML songs. This project is used by Satie, which provides higher-level functionality.

This project is not affiliated with MakeMusic, Inc. MusicXML™ is a registered trademark owned by MakeMusic, Inc.

Getting musicxml-interfaces

Use npm to install this package for node or browsers. For use with browsers, you'll also need to use a loader such as webpack.

npm install --save musicxml-interfaces@0.0.10

Usage

Example

Here is a simple example using ES6 or TypeScript:

import {parseScore, serializeScore} as MusicXML from 'musicxml-interfaces';
import 'whatwg-fetch';

fetch('/sonata.xml')
  .then(function(response) {
    return response.text()
  }).then(function(xml) {
    let document = parseScore(score);
    console.log('Converted XML to ', doc);

    let xml = serializeScore(doc);
    console.log('Converted JavaScript document to ', xml);
  });

Here is the same example, using ES5:

var MusicXML = require("musicxml-interfaces");
require("whatwg-fetch");

fetch('/sonata.xml')
  .then(function(response) {
    return response.text()
  }).then(function(xml) {
    let document = MusicXML.parseScore(score);
    console.log('Converted XML to ', doc);

    let xml = MusicXML.serializeScore(doc);
    console.log('Converted JavaScript document to ', xml);
  });

Parsing

    /**
     * Converts a MusicXML document into a MusicXML parttime-inspired JSON object.
     * See ScoreTimewise for full return type specification.
     *
     * This function will accept timepart MusicXML files, but will still return a
     * structure similar to parttime.
     */
    MusicXML.parseScore(score: string): MusicXMLScoreTimewise;

    /**
     * Reads a document, and returns header information.
     *
     * ScoreHeader is a subset of ScoreTimewise, so you can always just call MusicXML.parse.score.
     * This function is a bit faster though, if you only care about metadata.
     */
    MusicXML.paseScoreHeader(score: string): MusicXML.ScoreHeader;

    /**
     * Converts a MusicXML <measure /> from a **parttime** document into JSON.
     */
    MusicXML.parseMeasure(str: string): MusicXML.Measure;
    
    /**
     * These functions convert an XML string into corresponding JSON.
     */
    MusicXML.parseNote(str: string): MusicXML.Note;
    MusicXML.parseClef(str: string): MusicXML.Clef;
    MusicXML.parseTime(str: string): MusicXML.Time;
    MusicXML.parseKey(str: string): MusicXML.Key;
    MusicXML.parsePartSymbol(str: string): MusicXML.PartSymbol;
    MusicXML.parseBackup(str: string): MusicXML.Backup;
    MusicXML.parseHarmony(str: string): MusicXML.Harmony;
    MusicXML.parseForward(str: string): MusicXML.Forward;
    MusicXML.parsePrint(str: string): MusicXML.Print;
    MusicXML.parseFiguredBass(str: string): MusicXML.FiguredBass;
    MusicXML.parseDirection(str: string): MusicXML.Direction;
    MusicXML.parseAttributes(str: string): MusicXML.Attributes;
    MusicXML.parseSound(str: string): MusicXML.Sound;
    MusicXML.parseBarline(str: string): MusicXML.Barline;
    MusicXML.parseGrouping(str: string): MusicXML.Grouping;

Serializing

    /**
     * These functions convert a parsed JSON into corresponding MusicXML.
     */
    MusicXML.serializeScore(score: ScoreTimewise): string;
    MusicXML.serializeScoreHeader(scoreHeader: ScoreHeader): string;
    MusicXML.serializeMeasure(measure: Measure): string;
    MusicXML.serializeNote(note: Note): string;
    MusicXML.serializeClef(clef: Clef): string;
    MusicXML.serializeTime(time: Time): string;
    MusicXML.serializeKey(key: Key): string;
    MusicXML.serializePartSymbol(partSymbol: PartSymbol): string;
    MusicXML.serializeBackup(backup: Backup): string;
    MusicXML.serializeHarmony(harmony: Harmony): string;
    MusicXML.serializeForward(forward: Forward): string;
    MusicXML.serializePrint(print: Print): string;
    MusicXML.serializeFiguredBass(figuredBass: FiguredBass): string;
    MusicXML.serializeDirection(direction: Direction): string;
    MusicXML.serializeAttributes(attributes: Attributes): string;
    MusicXML.serializeSound(sound: Sound): string;
    MusicXML.serializeBarline(barline: Barline): string;
    MusicXML.serializeGrouping(grouping: Grouping): string;

Builders

musicxml-interfaces provides tools for building structures and JSON0 patches in musicxml-interfaces/builders. These should be considered expiremental.

Types / usage with TypeScript

There is a one-to-one mapping of MusicXML and the JSON produced by MusicXML Interfaces. The TypeScript defintion file fully documents MusicXML Interfaces types. If you use TypeScript and tsd, tsd link will load types into your project.

Contributing

Please report issues! In particular,

  • If there is a discrepency between a DTD in vendor/musicxml-dtd and the TypeScript interfaces in index.d.ts, just state the discrepency.
  • If the TypeScript interface definitions are correct, but there is an error in importing a file, provide a minimal MusicXML file that illustrates the issue.
  • If there is an error in exporting MusicXML interfaces back to MusicXML, provide a minimal valid JSON structure that is not exported correctly.

To install:

git clone git@github.com:jnetterf/musicxml-interfaces.git
cd musicxml-interfaces
npm install

To build:

make

Copyright

(C) Josh Netterfield <joshua@nettek.ca> 2015.
Part of the musicxml-interfaces <https://github.com/ripieno/musicxml-interfaces>.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

MusicXML License

MusicXML Version 3.0

Copyright (C) 2004-2011 MakeMusic, Inc.

http://www.makemusic.com/

This MusicXML work is being provided by the copyright
holder under the MusicXML Public License Version 3.0,
available from:

http://www.musicxml.org/dtds/license.html

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A parser and type definition set for MusicXML.

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