Reader.php

Go to the documentation of this file.

<?php
namespace Magento\Framework\View\Page\Layout;

use Magento\Framework\View\Layout;

class Reader
{
    const MERGE_CACHE_SUFFIX = 'page_layout';

    protected $themeResolver;

    protected $processorFactory;

    protected $pageLayoutFileSource;

    protected $pageLayoutMerge;

    protected $reader;

    public function __construct(
        \Magento\Framework\View\Design\Theme\ResolverInterface $themeResolver,
        \Magento\Framework\View\Layout\ProcessorFactory $processorFactory,
        \Magento\Framework\View\File\CollectorInterface $pageLayoutFileSource,
        \Magento\Framework\View\Layout\ReaderPool $reader
    ) {
        $this->themeResolver = $themeResolver;
        $this->processorFactory = $processorFactory;
        $this->pageLayoutFileSource = $pageLayoutFileSource;
        $this->reader = $reader;
    }

    protected function getPageLayoutMerge()
    {
        if ($this->pageLayoutMerge) {
            return $this->pageLayoutMerge;
        }
        $this->pageLayoutMerge = $this->processorFactory->create([
            'theme'       => $this->themeResolver->get(),
            'fileSource'  => $this->pageLayoutFileSource,
            'cacheSuffix' => self::MERGE_CACHE_SUFFIX,
        ]);
        return $this->pageLayoutMerge;
    }

    public function read(Layout\Reader\Context $readerContext, $pageLayout)
    {
        $this->getPageLayoutMerge()->load($pageLayout);
        $xml = $this->getPageLayoutMerge()->asSimplexml();
        $this->reader->interpret($readerContext, $xml);
    }
}