115 lines
2.6 KiB
JavaScript
Executable File
115 lines
2.6 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/* jshint node: true */
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var i, count, group, symbols, symbolObject,
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symbolList = [],
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symbolsFile = '../symbols.json',
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cssFile = '../ve.ui.MWMathSymbols.css',
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fs = require( 'fs' ),
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http = require( 'http' ),
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querystring = require( 'querystring' ),
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SVGO = require( 'svgo' ),
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svgo = new SVGO( {
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plugins: [
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{ convertTransform: false }
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]
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} ),
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mathoidMaxConnections = 5;
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fs.readFile( symbolsFile, function ( err, data ) {
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function encodeURIComponentForCSS( str ) {
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return encodeURIComponent( str )
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.replace( /[!'\(\)\*]/g, function ( chr ) {
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return '%' + chr.charCodeAt( 0 ).toString( 16 );
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} );
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}
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function makeRequest( symbol ) {
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var request,
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data = querystring.stringify( {
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q: symbol
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} ),
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// API call to mathoid
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options = {
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host: '192.168.37.177',
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port: '10044',
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path: '/',
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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'Content-Length': Buffer.byteLength( data )
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}
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};
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// Populate and make the API call
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request = http.request( options, function ( res ) {
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var body = '';
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res.setEncoding( 'utf8' );
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res.on( 'data', function ( data ) {
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body += data;
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} );
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res.on( 'end', function () {
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var classname, svg;
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// Make the classname, replacing any non-alphanumerics with their character code
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classname = symbol.replace( /[^\w]/g, function ( c ) {
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return '_' + c.charCodeAt( 0 ) + '_';
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} );
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svg = JSON.parse( body ).svg;
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if ( !svg ) {
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console.log( symbol + ' FAILED: ' + body );
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onEnd();
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return;
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}
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svgo.optimize( svg, function ( result ) {
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// write to the css file
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fs.appendFileSync(
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cssFile,
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'\n.ve-ui-mwMathSymbol-' + classname + ' {\n' +
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'\tbackground-image: url(data:image/svg+xml,' + encodeURIComponentForCSS( result.data ) + ');\n' +
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'}\n'
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);
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} );
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console.log( symbol + ' -> ' + classname );
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onEnd();
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} );
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} );
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request.setTimeout( 10000 );
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request.write( data );
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request.end();
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runNext();
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}
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function onEnd() {
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count--;
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runNext();
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}
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function runNext() {
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if ( count < mathoidMaxConnections && symbolList.length ) {
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count++;
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makeRequest( symbolList.shift() );
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}
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}
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symbolObject = JSON.parse( data.toString() );
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for ( group in symbolObject ) {
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symbols = symbolObject[ group ];
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for ( i = 0; i < symbols.length; i++ ) {
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symbolList.push( symbols[ i ].tex );
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}
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}
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fs.writeFileSync( cssFile, '/*!\n * This file is GENERATED by tools/getSvgsAndCss.js\n * DO NOT EDIT\n */\n' );
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count = 0;
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runNext();
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} );
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