StyleSheet.php

<?php
/*
 * citeproc-php
 *
 * @link        http://github.com/seboettg/citeproc-php for the source repository
 * @copyright   Copyright (c) 2016 Sebastian Böttger.
 * @license     https://opensource.org/licenses/MIT
 */
 
namespace Seboettg\CiteProc;
 
use Seboettg\CiteProc\Exception\CiteProcException;
 
class StyleSheet
{
 
    public static function loadStyleSheet($styleName)
    {
        $stylesPath = self::vendorPath()."/citation-style-language/styles-distribution/";
        return file_get_contents($stylesPath.$styleName.'.csl');
    }
 
    public static function loadLocales($langKey)
    {
        $data = null;
        $localesPath = self::vendorPath()."/citation-style-language/locales/";
        $localeFile = $localesPath."locales-".$langKey.'.xml';
        if (file_exists($localeFile)) {
            $data = file_get_contents($localeFile);
        } else {
            $metadata = self::loadLocalesMetadata();
            if (!empty($metadata->{'primary-dialects'}->{$langKey})) {
                $data = file_get_contents(
                    $localesPath."locales-".$metadata->{'primary-dialects'}->{$langKey}.'.xml'
                );
            }
        }
 
        return $data;
    }
 
    public static function loadLocalesMetadata()
    {
        $localesMetadataPath = self::vendorPath()."/citation-style-language/locales/locales.json";
        return json_decode(file_get_contents($localesMetadataPath));
    }
 
    private static function vendorPath()
    {
        include_once realpath(__DIR__.'/../').'/vendorPath.php';
        if (!($vendorPath = vendorPath())) {
            // @codeCoverageIgnoreStart
            throw new CiteProcException('vendor path not found. Use composer to initialize your project');
            // @codeCoverageIgnoreEnd
        }
        return $vendorPath;
    }
}