55 lines
1.4 KiB
PHP
55 lines
1.4 KiB
PHP
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<?php
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namespace Nightmare\Epub;
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use Nightmare\Fs;
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use Exception;
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use ZipArchive;
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class Reader {
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private $zip;
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private $file_path;
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// private $epub_opf_file;
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private $epub_opf_dir;
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public function __construct($file_path) {
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$this->file_path = $file_path;
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$this->zip = new ZipArchive();
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$this->check();
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$this->read_metadata();
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}
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private function check() {
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// check file
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if (!is_file($this->file_path)) {
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throw new Exception('epub not exists or not permission');
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}
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if (filesize($this->file_path) < 1) {
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throw new Exception('epub not exists or not permission');
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}
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// check epub valid
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if ($this->zip->open($this->file_path) !== TRUE) {
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throw new Exception('epub read error');
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}
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if ($this->zip->getFromName('mimetype') !== 'application/epub+zip') {
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throw new Exception('epub format error');
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}
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}
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private function read_metadata() {
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$meta = $this->zip->getFromName('META-INF/container.xml');
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$meta = simplexml_load_string($meta);
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$this->epub_opf_dir = (string) $meta->rootfiles->rootfile['full-path'];
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$meta = $this->zip->getFromName($this->epub_opf_dir);
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$meta = simplexml_load_string($meta);
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var_dump($meta->metadata->children('http://purl.org/dc/elements/1.1/'));
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}
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}
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