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ZipFileLoader.php
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ZipFileLoader.php
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<?php
/*
* This file is part of the ePub Reader package
*
* (c) Justin Rainbow <justin.rainbow@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ePub\Loader;
use ePub\Resource\ZipFileResource;
use ePub\Resource\OpfResource;
use ePub\Resource\NcxResource;
use ePub\Definition\Manifest;
use ePub\Definition\ManifestItem;
use ePub\Definition\Metadata;
class ZipFileLoader
{
/**
* Reads in a ePub file and builds the Package definition
*
* @param string $file
*
* @return \ePub\Definition\Package
*/
public function load($file)
{
$resource = new ZipFileResource($file);
$package = $resource->getXML('META-INF/container.xml');
if (!$opfFile = (string) $package->rootfiles->rootfile['full-path']) {
$ns = $package->getNamespaces();
foreach ($ns as $key => $value) {
$package->registerXPathNamespace($key, $value);
$items = $package->xpath('//'. $key .':rootfile/@full-path');
$opfFile = (string) $items[0]['full-path'];
}
}
$data = $resource->get($opfFile);
// all files referenced in the OPF are relative to it's directory
if ('.' !== $dir = dirname($opfFile)) {
$resource->setDirectory($dir);
}
$opfResource = new OpfResource($data, $resource);
$package = $opfResource->bind();
$package->opfDirectory = dirname($opfFile);
if ($package->navigation->src->href) {
$ncx = $resource->get($package->navigation->src->href);
$ncxResource = new NcxResource($ncx);
$package = $ncxResource->bind($package);
}
return $package;
}
}