[QwenBlogBridge] Add bridge (#4353)

bridges/QwenBlogBridge.php

@@ -0,0 +1,49 @@
+<?php
+
+class QwenBlogBridge extends FeedExpander
+{
+    const NAME = 'Qwen Blog';
+    const URI = 'https://qwenlm.github.io/blog/';
+    const DESCRIPTION = 'Fetch the latest items from Qwen';
+    const MAINTAINER = 'sqrtminusone';
+    const CACHE_TIMEOUT = 3600;
+
+    const PARAMETERS = [
+        '' => [
+            'limit' => [
+                'name' => 'Limit',
+                'type' => 'number',
+                'required' => true,
+                'defaultValue' => 10
+            ],
+        ]
+    ];
+
+    public function collectData()
+    {
+        $this->collectExpandableDatas(self::URI . 'index.xml', $this->getInput('limit'));
+    }
+
+    protected function parseItem(array $item)
+    {
+        $dom = getSimpleHTMLDOM($item['uri']);
+        $content = $dom->find('div.post-content', 0);
+        if ($content == null) {
+            return $item;
+        }
+
+        // Fix code blocks
+        foreach ($dom->find('pre.chroma') as $code_block) {
+            // Somehow there are tags in <pre>??
+            $code_block_html = str_get_html($code_block->plaintext);
+            $code = '';
+            foreach ($code_block_html->find('span.line') as $line) {
+                $code .= $line->plaintext . "\n";
+            }
+            $code_block->outertext = '<pre>' . $code . '</pre>';
+        }
+
+        $item['content'] = $content;
+        return $item;
+    }
+}