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80 lines
1.5 KiB
80 lines
1.5 KiB
<?php
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namespace XRay\Formats;
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use DOMDocument, DOMXPath;
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use DateTime, DateTimeZone;
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use Parse, Config;
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class XKCD {
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public static function parse($html, $url) {
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list($doc, $xpath) = self::_loadHTML($html);
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if(!$doc)
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return self::_unknown();
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$entry = [
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'type' => 'entry',
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'url' => $url,
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'author' => [
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'type' => 'card',
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'name' => 'XKCD',
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'photo' => Config::$base.'/images/xkcd.png',
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'url' => 'https://xkcd.com/'
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]
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];
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$name = $doc->getElementById('ctitle');
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if(!$name)
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return self::_unknown();
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$entry['name'] = $name->nodeValue;
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$photo = $xpath->query("//div[@id='comic']/img");
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if($photo->length != 1)
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return self::_unknown();
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$photo = $photo->item(0);
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$img1 = $photo->getAttribute('src');
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$img2 = $photo->getAttribute('srcset');
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if($img2) {
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$img2 = explode(',', $img2)[0];
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if(preg_match('/([^ ]+)/', $img2, $match)) {
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$img2 = $match[1];
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}
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}
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$src = \Mf2\resolveUrl($url, $img2 ?: $img1);
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$entry['photo'] = [$src];
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$response = [
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'data' => $entry
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];
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return $response;
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}
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private static function _unknown() {
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return [
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'data' => [
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'type' => 'unknown'
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]
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];
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}
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private static function _loadHTML($html) {
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$doc = new DOMDocument();
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@$doc->loadHTML($html);
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if(!$doc) {
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return [null, null];
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}
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$xpath = new DOMXPath($doc);
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return [$doc, $xpath];
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}
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}
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