scripts/generate-font-test-page.php from wikimedia/mediawiki-extensions-UniversalLanguageSelector

scripts/generate-font-test-page.php
Summary

Maintainability

4 hrs
Test Coverage

Issues
<?php
/**
 * @author Niklas Laxström
 * @license GPL-2.0-or-later
 * @file
 */

namespace UniversalLanguageSelector;

use FormatJson;
use Maintenance;
use MediaWiki\Html\Html;

// Standard boilerplate to define $IP
if ( getenv( 'MW_INSTALL_PATH' ) !== false ) {
    $IP = getenv( 'MW_INSTALL_PATH' );
} else {
    $dir = __DIR__;
    $IP = "$dir/../../..";
}
require_once "$IP/maintenance/Maintenance.php";

class GenerateFontTestPage extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Creates a HTML page with text for all fonts.' );
    }

    public function execute() {
        $base = dirname( __DIR__ );

        $relpath = '../data/fontrepo/fonts';
        $compiler = new FontRepoCompiler( "$base/data/fontrepo/fonts", $relpath );

        $list = $compiler->getRepository();

        $corpus = file_get_contents( __DIR__ . '/../data/langsamples.json' );
        $corpus = FormatJson::decode( $corpus, true );

        $body = '';

        foreach ( $list['languages'] as $code => $fonts ) {
            if ( !isset( $corpus[$code] ) ) {
                continue;
            }
            foreach ( $fonts as $fontname ) {
                if ( $fontname === 'system' ) {
                    continue;
                }

                $class = 'font-' . substr( md5( $fontname ), 0, 6 );
                $body .= Html::element(
                    'div',
                    [ 'class' => "$class sax" ],
                    "[$code/$fontname] {$corpus[$code]}"
                );
            }
        }

        $css = ".sax { white-space: nowrap; overflow: hidden; }\n\n";
        $formats = [ 'woff2', 'woff', 'ttf' ];

        foreach ( $list['fonts'] as $fontname => $font ) {
            $class = 'font-' . substr( md5( $fontname ), 0, 6 );

            $css .= "@font-face {\n\tfont-family: '$fontname';\n\tsrc:\n";

            $xus = [];
            foreach ( $formats as $format ) {
                if ( !isset( $font[$format] ) ) {
                    continue;
                }
                $xus[] = "\turl('$relpath/{$font[$format]}') format('$format')";
            }

            $css .= implode( ",\n", $xus );

            $css .= ";\n}\n\n";

            $css .= ".$class {\n\tfont-family: '$fontname';\n}\n\n";
        }

        // Charset is needed, because Edge is so brilliant that it thinks this page full of UTF-8
        // is actually in some legacy encoding and does not provide way to change it ;)
        $html = <<<HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
$css
</style>
</head>
<body>
$body
</body>
HTML;

        file_put_contents( "$base/tests/all-fonts.html", $html );
        $this->output( "Done.\n" );
    }
}

$maintClass = GenerateFontTestPage::class;
require_once RUN_MAINTENANCE_IF_MAIN;