CssRule.php

<?php
/*
 * citeproc-php
 *
 * @link        http://github.com/seboettg/citeproc-php for the source repository
 * @copyright   Copyright (c) 2017 Sebastian Böttger.
 * @license     https://opensource.org/licenses/MIT
 */
 
namespace Seboettg\CiteProc\Styles\Css;
 
use Seboettg\Collection\ArrayList;
 
class CssRule
{
    const SELECTOR_TYPE_ID = "#";
 
    const SELECTOR_TYPE_CLASS = ".";
 
    private $selectorType;
 
    private $selector;
 
    private $directives;
 
    public function __construct($selector, $selectorType = self::SELECTOR_TYPE_CLASS)
    {
        $this->selector = $selector;
        $this->selectorType = $selectorType;
        $this->directives = new ArrayList();
    }
 
    public function addDirective($property, $value)
    {
        $this->directives->append("$property: $value;");
    }
 
    public function __toString()
    {
        $directives = "\t".implode("\n\t", $this->directives->toArray());
        return $this->selectorType.$this->selector." {\n".$directives."\n}\n";
    }
}